/src/libjxl/lib/jxl/encode.cc
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1 | | // Copyright (c) the JPEG XL Project Authors. All rights reserved. |
2 | | // |
3 | | // Use of this source code is governed by a BSD-style |
4 | | // license that can be found in the LICENSE file. |
5 | | |
6 | | #include <brotli/encode.h> |
7 | | #include <jxl/cms.h> |
8 | | #include <jxl/codestream_header.h> |
9 | | #include <jxl/encode.h> |
10 | | #include <jxl/memory_manager.h> |
11 | | #include <jxl/types.h> |
12 | | #include <jxl/version.h> |
13 | | |
14 | | #include <algorithm> |
15 | | #include <cstddef> |
16 | | #include <cstdint> |
17 | | #include <cstring> |
18 | | |
19 | | #include "lib/jxl/base/byte_order.h" |
20 | | #include "lib/jxl/base/common.h" |
21 | | #include "lib/jxl/base/data_parallel.h" |
22 | | #include "lib/jxl/base/exif.h" |
23 | | #include "lib/jxl/base/printf_macros.h" |
24 | | #include "lib/jxl/base/sanitizers.h" |
25 | | #include "lib/jxl/base/span.h" |
26 | | #include "lib/jxl/base/status.h" |
27 | | #include "lib/jxl/codec_in_out.h" |
28 | | #include "lib/jxl/enc_aux_out.h" |
29 | | #include "lib/jxl/enc_bit_writer.h" |
30 | | #include "lib/jxl/enc_cache.h" |
31 | | #include "lib/jxl/enc_fast_lossless.h" |
32 | | #include "lib/jxl/enc_fields.h" |
33 | | #include "lib/jxl/enc_frame.h" |
34 | | #include "lib/jxl/enc_icc_codec.h" |
35 | | #include "lib/jxl/enc_params.h" |
36 | | #include "lib/jxl/encode_internal.h" |
37 | | #include "lib/jxl/jpeg/enc_jpeg_data.h" |
38 | | #include "lib/jxl/luminance.h" |
39 | | #include "lib/jxl/memory_manager_internal.h" |
40 | | #include "lib/jxl/padded_bytes.h" |
41 | | |
42 | | struct JxlErrorOrStatus { |
43 | | // NOLINTNEXTLINE(google-explicit-constructor) |
44 | 0 | operator jxl::Status() const { |
45 | 0 | switch (error_) { |
46 | 0 | case JXL_ENC_SUCCESS: |
47 | 0 | return jxl::OkStatus(); |
48 | 0 | case JXL_ENC_NEED_MORE_OUTPUT: |
49 | 0 | return jxl::StatusCode::kNotEnoughBytes; |
50 | 0 | default: |
51 | 0 | return jxl::StatusCode::kGenericError; |
52 | 0 | } |
53 | 0 | } |
54 | | // NOLINTNEXTLINE(google-explicit-constructor) |
55 | 572 | operator JxlEncoderStatus() const { return error_; } |
56 | | |
57 | 520 | static JxlErrorOrStatus Success() { |
58 | 520 | return JxlErrorOrStatus(JXL_ENC_SUCCESS); |
59 | 520 | } |
60 | | |
61 | 52 | static JxlErrorOrStatus MoreOutput() { |
62 | 52 | return JxlErrorOrStatus(JXL_ENC_NEED_MORE_OUTPUT); |
63 | 52 | } |
64 | | |
65 | 0 | static JxlErrorOrStatus Error() { return JxlErrorOrStatus(JXL_ENC_ERROR); } |
66 | | |
67 | | private: |
68 | 572 | explicit JxlErrorOrStatus(JxlEncoderStatus error) : error_(error) {} |
69 | | JxlEncoderStatus error_; |
70 | | }; |
71 | | |
72 | | // Debug-printing failure macro similar to JXL_FAILURE, but for the status code |
73 | | // JXL_ENC_ERROR |
74 | | #ifdef JXL_CRASH_ON_ERROR |
75 | | #define JXL_API_ERROR(enc, error_code, format, ...) \ |
76 | | (enc->error = error_code, \ |
77 | | ::jxl::Debug(("%s:%d: " format "\n"), __FILE__, __LINE__, ##__VA_ARGS__), \ |
78 | | ::jxl::Abort(), JxlErrorOrStatus::Error()) |
79 | | #define JXL_API_ERROR_NOSET(format, ...) \ |
80 | | (::jxl::Debug(("%s:%d: " format "\n"), __FILE__, __LINE__, ##__VA_ARGS__), \ |
81 | | ::jxl::Abort(), JxlErrorOrStatus::Error()) |
82 | | #else // JXL_CRASH_ON_ERROR |
83 | | #define JXL_API_ERROR(enc, error_code, format, ...) \ |
84 | 0 | (enc->error = error_code, \ |
85 | 0 | ((JXL_DEBUG_ON_ERROR) && \ |
86 | 0 | ::jxl::Debug(("%s:%d: " format "\n"), __FILE__, __LINE__, ##__VA_ARGS__)), \ |
87 | 0 | JxlErrorOrStatus::Error()) |
88 | | #define JXL_API_ERROR_NOSET(format, ...) \ |
89 | 0 | (::jxl::Debug(("%s:%d: " format "\n"), __FILE__, __LINE__, ##__VA_ARGS__), \ |
90 | 0 | JxlErrorOrStatus::Error()) |
91 | | #endif // JXL_CRASH_ON_ERROR |
92 | | |
93 | | jxl::StatusOr<JxlOutputProcessorBuffer> |
94 | | JxlEncoderOutputProcessorWrapper::GetBuffer(size_t min_size, |
95 | 156 | size_t requested_size) { |
96 | 156 | JXL_ASSERT(min_size > 0); |
97 | 156 | JXL_ASSERT(!has_buffer_); |
98 | 156 | if (stop_requested_) return jxl::StatusCode::kNotEnoughBytes; |
99 | 156 | requested_size = std::max(min_size, requested_size); |
100 | | |
101 | | // If we support seeking, output_position_ == position_. |
102 | 156 | if (external_output_processor_ && external_output_processor_->seek) { |
103 | 0 | JXL_ASSERT(output_position_ == position_); |
104 | 0 | } |
105 | | // Otherwise, output_position_ <= position_. |
106 | 156 | JXL_ASSERT(output_position_ <= position_); |
107 | 156 | size_t additional_size = position_ - output_position_; |
108 | | |
109 | 156 | if (external_output_processor_) { |
110 | | // TODO(veluca): here, we cannot just ask for a larger buffer, as it will be |
111 | | // released with a prefix of the buffer that has not been written yet. |
112 | | // Figure out if there is a good way to do this more efficiently. |
113 | 0 | if (additional_size == 0) { |
114 | 0 | size_t size = requested_size; |
115 | 0 | uint8_t* user_buffer = |
116 | 0 | static_cast<uint8_t*>(external_output_processor_->get_buffer( |
117 | 0 | external_output_processor_->opaque, &size)); |
118 | 0 | if (size == 0 || user_buffer == nullptr) { |
119 | 0 | stop_requested_ = true; |
120 | 0 | return jxl::StatusCode::kNotEnoughBytes; |
121 | 0 | } |
122 | 0 | if (size < min_size) { |
123 | 0 | external_output_processor_->release_buffer( |
124 | 0 | external_output_processor_->opaque, 0); |
125 | 0 | } else { |
126 | 0 | internal_buffers_.emplace(position_, InternalBuffer(memory_manager_)); |
127 | 0 | has_buffer_ = true; |
128 | 0 | return JxlOutputProcessorBuffer(user_buffer, size, 0, this); |
129 | 0 | } |
130 | 0 | } |
131 | 156 | } else { |
132 | 156 | if (min_size + additional_size < *avail_out_) { |
133 | 104 | internal_buffers_.emplace(position_, InternalBuffer(memory_manager_)); |
134 | 104 | has_buffer_ = true; |
135 | 104 | return JxlOutputProcessorBuffer(*next_out_ + additional_size, |
136 | 104 | *avail_out_ - additional_size, 0, this); |
137 | 104 | } |
138 | 156 | } |
139 | | |
140 | | // Otherwise, we need to allocate our own buffer. |
141 | 52 | auto it = |
142 | 52 | internal_buffers_.emplace(position_, InternalBuffer(memory_manager_)) |
143 | 52 | .first; |
144 | 52 | InternalBuffer& buffer = it->second; |
145 | 52 | size_t alloc_size = requested_size; |
146 | 52 | it++; |
147 | 52 | if (it != internal_buffers_.end()) { |
148 | 0 | alloc_size = std::min(alloc_size, it->first - position_); |
149 | 0 | JXL_ASSERT(alloc_size >= min_size); |
150 | 0 | } |
151 | 52 | buffer.owned_data.resize(alloc_size); |
152 | 52 | has_buffer_ = true; |
153 | 52 | return JxlOutputProcessorBuffer(buffer.owned_data.data(), alloc_size, 0, |
154 | 52 | this); |
155 | 52 | } |
156 | | |
157 | 0 | void JxlEncoderOutputProcessorWrapper::Seek(size_t pos) { |
158 | 0 | JXL_ASSERT(!has_buffer_); |
159 | 0 | if (external_output_processor_ && external_output_processor_->seek) { |
160 | 0 | external_output_processor_->seek(external_output_processor_->opaque, pos); |
161 | 0 | output_position_ = pos; |
162 | 0 | } |
163 | 0 | JXL_ASSERT(pos >= finalized_position_); |
164 | 0 | position_ = pos; |
165 | 0 | } |
166 | | |
167 | 104 | void JxlEncoderOutputProcessorWrapper::SetFinalizedPosition() { |
168 | 104 | JXL_ASSERT(!has_buffer_); |
169 | 104 | if (external_output_processor_ && external_output_processor_->seek) { |
170 | 0 | external_output_processor_->set_finalized_position( |
171 | 0 | external_output_processor_->opaque, position_); |
172 | 0 | } |
173 | 104 | finalized_position_ = position_; |
174 | 104 | FlushOutput(); |
175 | 104 | } |
176 | | |
177 | | bool JxlEncoderOutputProcessorWrapper::SetAvailOut(uint8_t** next_out, |
178 | 104 | size_t* avail_out) { |
179 | 104 | if (external_output_processor_) return false; |
180 | 104 | avail_out_ = avail_out; |
181 | 104 | next_out_ = next_out; |
182 | 104 | FlushOutput(); |
183 | 104 | return true; |
184 | 104 | } |
185 | | |
186 | | void JxlEncoderOutputProcessorWrapper::CopyOutput(std::vector<uint8_t>& output, |
187 | | uint8_t* next_out, |
188 | 0 | size_t& avail_out) { |
189 | 0 | while (HasOutputToWrite()) { |
190 | 0 | SetAvailOut(&next_out, &avail_out); |
191 | 0 | if (avail_out == 0) { |
192 | 0 | size_t offset = next_out - output.data(); |
193 | 0 | output.resize(output.size() * 2); |
194 | 0 | next_out = output.data() + offset; |
195 | 0 | avail_out = output.size() - offset; |
196 | 0 | } |
197 | 0 | } |
198 | 0 | output.resize(output.size() - avail_out); |
199 | 0 | } |
200 | | |
201 | 156 | void JxlEncoderOutputProcessorWrapper::ReleaseBuffer(size_t bytes_used) { |
202 | 156 | JXL_ASSERT(has_buffer_); |
203 | 156 | has_buffer_ = false; |
204 | 156 | auto it = internal_buffers_.find(position_); |
205 | 156 | JXL_ASSERT(it != internal_buffers_.end()); |
206 | 156 | if (bytes_used == 0) { |
207 | 0 | if (external_output_processor_) { |
208 | 0 | external_output_processor_->release_buffer( |
209 | 0 | external_output_processor_->opaque, bytes_used); |
210 | 0 | } |
211 | 0 | internal_buffers_.erase(it); |
212 | 0 | return; |
213 | 0 | } |
214 | 156 | it->second.written_bytes = bytes_used; |
215 | 156 | position_ += bytes_used; |
216 | | |
217 | 156 | auto it_to_next = it; |
218 | 156 | it_to_next++; |
219 | 156 | if (it_to_next != internal_buffers_.end()) { |
220 | 0 | JXL_ASSERT(it_to_next->first >= position_); |
221 | 0 | } |
222 | | |
223 | 156 | if (external_output_processor_) { |
224 | | // If the buffer was given by the user, tell the user it is not needed |
225 | | // anymore. |
226 | 0 | if (it->second.owned_data.empty()) { |
227 | 0 | external_output_processor_->release_buffer( |
228 | 0 | external_output_processor_->opaque, bytes_used); |
229 | | // If we don't support seeking, this implies we will never modify again |
230 | | // the bytes that were written so far. Advance the finalized position and |
231 | | // flush the output to clean up the internal buffers. |
232 | 0 | if (!external_output_processor_->seek) { |
233 | 0 | SetFinalizedPosition(); |
234 | 0 | JXL_ASSERT(output_position_ == finalized_position_); |
235 | 0 | JXL_ASSERT(output_position_ == position_); |
236 | 0 | } else { |
237 | | // Otherwise, advance the output position accordingly. |
238 | 0 | output_position_ += bytes_used; |
239 | 0 | JXL_ASSERT(output_position_ >= finalized_position_); |
240 | 0 | JXL_ASSERT(output_position_ == position_); |
241 | 0 | } |
242 | 0 | } else if (external_output_processor_->seek) { |
243 | | // If we had buffered the data internally, flush it out to the external |
244 | | // processor if we can. |
245 | 0 | external_output_processor_->seek(external_output_processor_->opaque, |
246 | 0 | position_ - bytes_used); |
247 | 0 | output_position_ = position_ - bytes_used; |
248 | 0 | while (output_position_ < position_) { |
249 | 0 | size_t num_to_write = position_ - output_position_; |
250 | 0 | if (!AppendBufferToExternalProcessor(it->second.owned_data.data() + |
251 | 0 | output_position_ - position_ + |
252 | 0 | bytes_used, |
253 | 0 | num_to_write)) { |
254 | 0 | return; |
255 | 0 | } |
256 | 0 | } |
257 | 0 | it->second.owned_data.clear(); |
258 | 0 | } |
259 | 0 | } |
260 | 156 | } |
261 | | |
262 | | // Tries to write all the bytes up to the finalized position. |
263 | 208 | void JxlEncoderOutputProcessorWrapper::FlushOutput() { |
264 | 208 | JXL_ASSERT(!has_buffer_); |
265 | 364 | while (output_position_ < finalized_position_ && |
266 | 364 | (avail_out_ == nullptr || *avail_out_ > 0)) { |
267 | 156 | JXL_ASSERT(!internal_buffers_.empty()); |
268 | 156 | auto it = internal_buffers_.begin(); |
269 | | // If this fails, we are trying to move the finalized position past data |
270 | | // that was not written yet. This is a library programming error. |
271 | 156 | JXL_ASSERT(output_position_ >= it->first); |
272 | 156 | JXL_ASSERT(it->second.written_bytes != 0); |
273 | 156 | size_t buffer_last_byte = it->first + it->second.written_bytes; |
274 | 156 | if (!it->second.owned_data.empty()) { |
275 | 52 | size_t start_in_buffer = output_position_ - it->first; |
276 | | // Guaranteed by the invariant on `internal_buffers_`. |
277 | 52 | JXL_ASSERT(buffer_last_byte > output_position_); |
278 | 52 | size_t num_to_write = |
279 | 52 | std::min(buffer_last_byte, finalized_position_) - output_position_; |
280 | 52 | if (avail_out_ != nullptr) { |
281 | 52 | size_t n = std::min(num_to_write, *avail_out_); |
282 | 52 | memcpy(*next_out_, it->second.owned_data.data() + start_in_buffer, n); |
283 | 52 | *avail_out_ -= n; |
284 | 52 | *next_out_ += n; |
285 | 52 | output_position_ += n; |
286 | 52 | } else { |
287 | 0 | if (!AppendBufferToExternalProcessor( |
288 | 0 | it->second.owned_data.data() + start_in_buffer, num_to_write)) { |
289 | 0 | return; |
290 | 0 | } |
291 | 0 | } |
292 | 104 | } else { |
293 | 104 | size_t advance = |
294 | 104 | std::min(buffer_last_byte, finalized_position_) - output_position_; |
295 | 104 | output_position_ += advance; |
296 | 104 | if (avail_out_ != nullptr) { |
297 | 104 | *next_out_ += advance; |
298 | 104 | *avail_out_ -= advance; |
299 | 104 | } |
300 | 104 | } |
301 | 156 | if (buffer_last_byte == output_position_) { |
302 | 156 | internal_buffers_.erase(it); |
303 | 156 | } |
304 | 156 | if (external_output_processor_ && !external_output_processor_->seek) { |
305 | 0 | external_output_processor_->set_finalized_position( |
306 | 0 | external_output_processor_->opaque, output_position_); |
307 | 0 | } |
308 | 156 | } |
309 | 208 | } |
310 | | |
311 | | bool JxlEncoderOutputProcessorWrapper::AppendBufferToExternalProcessor( |
312 | 0 | void* data, size_t count) { |
313 | 0 | JXL_ASSERT(external_output_processor_); |
314 | 0 | size_t n = count; |
315 | 0 | void* user_buffer = external_output_processor_->get_buffer( |
316 | 0 | external_output_processor_->opaque, &n); |
317 | 0 | if (user_buffer == nullptr || n == 0) { |
318 | 0 | stop_requested_ = true; |
319 | 0 | return false; |
320 | 0 | } |
321 | 0 | n = std::min(n, count); |
322 | 0 | memcpy(user_buffer, data, n); |
323 | 0 | external_output_processor_->release_buffer(external_output_processor_->opaque, |
324 | 0 | n); |
325 | 0 | output_position_ += n; |
326 | 0 | return true; |
327 | 0 | } |
328 | | |
329 | | namespace jxl { |
330 | | |
331 | | size_t WriteBoxHeader(const jxl::BoxType& type, size_t size, bool unbounded, |
332 | 0 | bool force_large_box, uint8_t* output) { |
333 | 0 | uint64_t box_size = 0; |
334 | 0 | bool large_size = false; |
335 | 0 | if (!unbounded) { |
336 | 0 | if (box_size >= kLargeBoxContentSizeThreshold || force_large_box) { |
337 | 0 | large_size = true; |
338 | | // TODO(firsching): send a separate CL for this (+ test), |
339 | | // quick fix in the old code: box_size += 8 |
340 | 0 | box_size = size + kLargeBoxHeaderSize; |
341 | 0 | } else { |
342 | 0 | box_size = size + kSmallBoxHeaderSize; |
343 | 0 | } |
344 | 0 | } |
345 | |
|
346 | 0 | size_t idx = 0; |
347 | 0 | { |
348 | 0 | const uint64_t store = large_size ? 1 : box_size; |
349 | 0 | for (size_t i = 0; i < 4; i++) { |
350 | 0 | output[idx++] = store >> (8 * (3 - i)) & 0xff; |
351 | 0 | } |
352 | 0 | } |
353 | 0 | for (size_t i = 0; i < 4; i++) { |
354 | 0 | output[idx++] = type[i]; |
355 | 0 | } |
356 | |
|
357 | 0 | if (large_size) { |
358 | 0 | for (size_t i = 0; i < 8; i++) { |
359 | 0 | output[idx++] = box_size >> (8 * (7 - i)) & 0xff; |
360 | 0 | } |
361 | 0 | } |
362 | 0 | return idx; |
363 | 0 | } |
364 | | } // namespace jxl |
365 | | |
366 | | template <typename WriteBox> |
367 | | jxl::Status JxlEncoderStruct::AppendBox(const jxl::BoxType& type, |
368 | | bool unbounded, size_t box_max_size, |
369 | 0 | const WriteBox& write_box) { |
370 | 0 | size_t current_position = output_processor.CurrentPosition(); |
371 | 0 | bool large_box = false; |
372 | 0 | size_t box_header_size = 0; |
373 | 0 | if (box_max_size >= jxl::kLargeBoxContentSizeThreshold && !unbounded) { |
374 | 0 | box_header_size = jxl::kLargeBoxHeaderSize; |
375 | 0 | large_box = true; |
376 | 0 | } else { |
377 | 0 | box_header_size = jxl::kSmallBoxHeaderSize; |
378 | 0 | } |
379 | 0 | output_processor.Seek(current_position + box_header_size); |
380 | 0 | size_t box_contents_start = output_processor.CurrentPosition(); |
381 | 0 | JXL_RETURN_IF_ERROR(write_box()); |
382 | 0 | size_t box_contents_end = output_processor.CurrentPosition(); |
383 | 0 | output_processor.Seek(current_position); |
384 | 0 | JXL_ASSERT(box_contents_end >= box_contents_start); |
385 | 0 | if (box_contents_end - box_contents_start > box_max_size) { |
386 | 0 | return JXL_API_ERROR(this, JXL_ENC_ERR_GENERIC, |
387 | 0 | "Internal error: upper bound on box size was " |
388 | 0 | "violated, upper bound: %" PRIuS ", actual: %" PRIuS, |
389 | 0 | box_max_size, box_contents_end - box_contents_start); |
390 | 0 | } |
391 | | // We need to release the buffer before Seek. |
392 | 0 | { |
393 | 0 | JXL_ASSIGN_OR_RETURN( |
394 | 0 | auto buffer, |
395 | 0 | output_processor.GetBuffer(box_contents_start - current_position)); |
396 | 0 | const size_t n = |
397 | 0 | jxl::WriteBoxHeader(type, box_contents_end - box_contents_start, |
398 | 0 | unbounded, large_box, buffer.data()); |
399 | 0 | JXL_ASSERT(n == box_header_size); |
400 | 0 | buffer.advance(n); |
401 | 0 | } |
402 | 0 | output_processor.Seek(box_contents_end); |
403 | 0 | output_processor.SetFinalizedPosition(); |
404 | 0 | return jxl::OkStatus(); |
405 | 0 | } Unexecuted instantiation: encode.cc:jxl::Status JxlEncoderStruct::AppendBox<JxlEncoderStruct::ProcessOneEnqueuedInput()::$_0>(std::__1::array<unsigned char, 4ul> const&, bool, unsigned long, JxlEncoderStruct::ProcessOneEnqueuedInput()::$_0 const&) Unexecuted instantiation: jxl::Status JxlEncoderStruct::AppendBox<JxlEncoderStruct::AppendBoxWithContents<std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > >(std::__1::array<unsigned char, 4ul> const&, std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > const&)::{lambda()#1}>(std::__1::array<unsigned char, 4ul> const&, bool, unsigned long, JxlEncoderStruct::AppendBoxWithContents<std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > >(std::__1::array<unsigned char, 4ul> const&, std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > const&)::{lambda()#1} const&) Unexecuted instantiation: jxl::Status JxlEncoderStruct::AppendBox<JxlEncoderStruct::AppendBoxWithContents<jxl::Span<unsigned char const> >(std::__1::array<unsigned char, 4ul> const&, jxl::Span<unsigned char const> const&)::{lambda()#1}>(std::__1::array<unsigned char, 4ul> const&, bool, unsigned long, JxlEncoderStruct::AppendBoxWithContents<jxl::Span<unsigned char const> >(std::__1::array<unsigned char, 4ul> const&, jxl::Span<unsigned char const> const&)::{lambda()#1} const&) Unexecuted instantiation: jxl::Status JxlEncoderStruct::AppendBox<JxlEncoderStruct::AppendBoxWithContents<jxl::PaddedBytes>(std::__1::array<unsigned char, 4ul> const&, jxl::PaddedBytes const&)::{lambda()#1}>(std::__1::array<unsigned char, 4ul> const&, bool, unsigned long, JxlEncoderStruct::AppendBoxWithContents<jxl::PaddedBytes>(std::__1::array<unsigned char, 4ul> const&, jxl::PaddedBytes const&)::{lambda()#1} const&) |
406 | | |
407 | | template <typename BoxContents> |
408 | | jxl::Status JxlEncoderStruct::AppendBoxWithContents( |
409 | 0 | const jxl::BoxType& type, const BoxContents& contents) { |
410 | 0 | size_t size = std::end(contents) - std::begin(contents); |
411 | 0 | return AppendBox(type, /*unbounded=*/false, size, |
412 | 0 | [&]() { return AppendData(output_processor, contents); }); Unexecuted instantiation: JxlEncoderStruct::AppendBoxWithContents<std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > >(std::__1::array<unsigned char, 4ul> const&, std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > const&)::{lambda()#1}::operator()() const Unexecuted instantiation: JxlEncoderStruct::AppendBoxWithContents<jxl::Span<unsigned char const> >(std::__1::array<unsigned char, 4ul> const&, jxl::Span<unsigned char const> const&)::{lambda()#1}::operator()() const Unexecuted instantiation: JxlEncoderStruct::AppendBoxWithContents<jxl::PaddedBytes>(std::__1::array<unsigned char, 4ul> const&, jxl::PaddedBytes const&)::{lambda()#1}::operator()() const |
413 | 0 | } Unexecuted instantiation: jxl::Status JxlEncoderStruct::AppendBoxWithContents<std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > >(std::__1::array<unsigned char, 4ul> const&, std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > const&) Unexecuted instantiation: jxl::Status JxlEncoderStruct::AppendBoxWithContents<jxl::Span<unsigned char const> >(std::__1::array<unsigned char, 4ul> const&, jxl::Span<unsigned char const> const&) Unexecuted instantiation: jxl::Status JxlEncoderStruct::AppendBoxWithContents<jxl::PaddedBytes>(std::__1::array<unsigned char, 4ul> const&, jxl::PaddedBytes const&) |
414 | | |
415 | 0 | uint32_t JxlEncoderVersion(void) { |
416 | 0 | return JPEGXL_MAJOR_VERSION * 1000000 + JPEGXL_MINOR_VERSION * 1000 + |
417 | 0 | JPEGXL_PATCH_VERSION; |
418 | 0 | } |
419 | | |
420 | | namespace { |
421 | | |
422 | 0 | void WriteJxlpBoxCounter(uint32_t counter, bool last, uint8_t* buffer) { |
423 | 0 | if (last) counter |= 0x80000000; |
424 | 0 | for (size_t i = 0; i < 4; i++) { |
425 | 0 | buffer[i] = counter >> (8 * (3 - i)) & 0xff; |
426 | 0 | } |
427 | 0 | } |
428 | | |
429 | | void WriteJxlpBoxCounter(uint32_t counter, bool last, |
430 | 0 | JxlOutputProcessorBuffer& buffer) { |
431 | 0 | uint8_t buf[4]; |
432 | 0 | WriteJxlpBoxCounter(counter, last, buf); |
433 | 0 | buffer.append(buf, 4); |
434 | 0 | } |
435 | | |
436 | | void QueueFrame( |
437 | | const JxlEncoderFrameSettings* frame_settings, |
438 | 52 | jxl::MemoryManagerUniquePtr<jxl::JxlEncoderQueuedFrame>& frame) { |
439 | 52 | if (frame_settings->values.lossless) { |
440 | 0 | frame->option_values.cparams.SetLossless(); |
441 | 0 | } |
442 | | |
443 | 52 | jxl::JxlEncoderQueuedInput queued_input(frame_settings->enc->memory_manager); |
444 | 52 | queued_input.frame = std::move(frame); |
445 | 52 | frame_settings->enc->input_queue.emplace_back(std::move(queued_input)); |
446 | 52 | frame_settings->enc->num_queued_frames++; |
447 | 52 | } |
448 | | |
449 | | void QueueFastLosslessFrame(const JxlEncoderFrameSettings* frame_settings, |
450 | 0 | JxlFastLosslessFrameState* fast_lossless_frame) { |
451 | 0 | jxl::JxlEncoderQueuedInput queued_input(frame_settings->enc->memory_manager); |
452 | 0 | queued_input.fast_lossless_frame.reset(fast_lossless_frame); |
453 | 0 | frame_settings->enc->input_queue.emplace_back(std::move(queued_input)); |
454 | 0 | frame_settings->enc->num_queued_frames++; |
455 | 0 | } |
456 | | |
457 | | void QueueBox(JxlEncoder* enc, |
458 | 0 | jxl::MemoryManagerUniquePtr<jxl::JxlEncoderQueuedBox>& box) { |
459 | 0 | jxl::JxlEncoderQueuedInput queued_input(enc->memory_manager); |
460 | 0 | queued_input.box = std::move(box); |
461 | 0 | enc->input_queue.emplace_back(std::move(queued_input)); |
462 | 0 | enc->num_queued_boxes++; |
463 | 0 | } |
464 | | |
465 | | // TODO(lode): share this code and the Brotli compression code in enc_jpeg_data |
466 | | JxlEncoderStatus BrotliCompress(int quality, const uint8_t* in, size_t in_size, |
467 | 0 | jxl::PaddedBytes* out) { |
468 | 0 | JxlMemoryManager* memory_manager = out->memory_manager(); |
469 | 0 | std::unique_ptr<BrotliEncoderState, decltype(BrotliEncoderDestroyInstance)*> |
470 | 0 | enc(BrotliEncoderCreateInstance(nullptr, nullptr, nullptr), |
471 | 0 | BrotliEncoderDestroyInstance); |
472 | 0 | if (!enc) return JXL_API_ERROR_NOSET("BrotliEncoderCreateInstance failed"); |
473 | | |
474 | 0 | BrotliEncoderSetParameter(enc.get(), BROTLI_PARAM_QUALITY, quality); |
475 | 0 | BrotliEncoderSetParameter(enc.get(), BROTLI_PARAM_SIZE_HINT, in_size); |
476 | |
|
477 | 0 | constexpr size_t kBufferSize = 128 * 1024; |
478 | 0 | jxl::PaddedBytes temp_buffer(memory_manager, kBufferSize); |
479 | |
|
480 | 0 | size_t avail_in = in_size; |
481 | 0 | const uint8_t* next_in = in; |
482 | |
|
483 | 0 | size_t total_out = 0; |
484 | |
|
485 | 0 | for (;;) { |
486 | 0 | size_t avail_out = kBufferSize; |
487 | 0 | uint8_t* next_out = temp_buffer.data(); |
488 | 0 | jxl::msan::MemoryIsInitialized(next_in, avail_in); |
489 | 0 | if (!BrotliEncoderCompressStream(enc.get(), BROTLI_OPERATION_FINISH, |
490 | 0 | &avail_in, &next_in, &avail_out, &next_out, |
491 | 0 | &total_out)) { |
492 | 0 | return JXL_API_ERROR_NOSET("Brotli compression failed"); |
493 | 0 | } |
494 | 0 | size_t out_size = next_out - temp_buffer.data(); |
495 | 0 | jxl::msan::UnpoisonMemory(next_out - out_size, out_size); |
496 | 0 | out->resize(out->size() + out_size); |
497 | 0 | memcpy(out->data() + out->size() - out_size, temp_buffer.data(), out_size); |
498 | 0 | if (BrotliEncoderIsFinished(enc.get())) break; |
499 | 0 | } |
500 | | |
501 | 0 | return JxlErrorOrStatus::Success(); |
502 | 0 | } |
503 | | |
504 | | // The JXL codestream can have level 5 or level 10. Levels have certain |
505 | | // restrictions such as max allowed image dimensions. This function checks the |
506 | | // level required to support the current encoder settings. The debug_string is |
507 | | // intended to be used for developer API error messages, and may be set to |
508 | | // nullptr. |
509 | 104 | int VerifyLevelSettings(const JxlEncoder* enc, std::string* debug_string) { |
510 | 104 | const auto& m = enc->metadata.m; |
511 | | |
512 | 104 | uint64_t xsize = enc->metadata.size.xsize(); |
513 | 104 | uint64_t ysize = enc->metadata.size.ysize(); |
514 | | // The uncompressed ICC size, if it is used. |
515 | 104 | size_t icc_size = 0; |
516 | 104 | if (m.color_encoding.WantICC()) { |
517 | 0 | icc_size = m.color_encoding.ICC().size(); |
518 | 0 | } |
519 | | |
520 | | // Level 10 checks |
521 | | |
522 | 104 | if (xsize > (1ull << 30ull) || ysize > (1ull << 30ull) || |
523 | 104 | xsize * ysize > (1ull << 40ull)) { |
524 | 0 | if (debug_string) *debug_string = "Too large image dimensions"; |
525 | 0 | return -1; |
526 | 0 | } |
527 | 104 | if (icc_size > (1ull << 28)) { |
528 | 0 | if (debug_string) *debug_string = "Too large ICC profile size"; |
529 | 0 | return -1; |
530 | 0 | } |
531 | 104 | if (m.num_extra_channels > 256) { |
532 | 0 | if (debug_string) *debug_string = "Too many extra channels"; |
533 | 0 | return -1; |
534 | 0 | } |
535 | | |
536 | | // Level 5 checks |
537 | | |
538 | 104 | if (!m.modular_16_bit_buffer_sufficient) { |
539 | 0 | if (debug_string) *debug_string = "Too high modular bit depth"; |
540 | 0 | return 10; |
541 | 0 | } |
542 | 104 | if (xsize > (1ull << 18ull) || ysize > (1ull << 18ull) || |
543 | 104 | xsize * ysize > (1ull << 28ull)) { |
544 | 0 | if (debug_string) *debug_string = "Too large image dimensions"; |
545 | 0 | return 10; |
546 | 0 | } |
547 | 104 | if (icc_size > (1ull << 22)) { |
548 | 0 | if (debug_string) *debug_string = "Too large ICC profile"; |
549 | 0 | return 10; |
550 | 0 | } |
551 | 104 | if (m.num_extra_channels > 4) { |
552 | 0 | if (debug_string) *debug_string = "Too many extra channels"; |
553 | 0 | return 10; |
554 | 0 | } |
555 | 104 | for (const auto& eci : m.extra_channel_info) { |
556 | 0 | if (eci.type == jxl::ExtraChannel::kBlack) { |
557 | 0 | if (debug_string) *debug_string = "CMYK channel not allowed"; |
558 | 0 | return 10; |
559 | 0 | } |
560 | 0 | } |
561 | | |
562 | | // TODO(lode): also need to check if consecutive composite-still frames total |
563 | | // pixel amount doesn't exceed 2**28 in the case of level 5. This should be |
564 | | // done when adding frame and requires ability to add composite still frames |
565 | | // to be added first. |
566 | | |
567 | | // TODO(lode): also need to check animation duration of a frame. This should |
568 | | // be done when adding frame, but first requires implementing setting the |
569 | | // JxlFrameHeader for a frame. |
570 | | |
571 | | // TODO(lode): also need to check properties such as num_splines, num_patches, |
572 | | // modular_16bit_buffers and multiple properties of modular trees. However |
573 | | // these are not user-set properties so cannot be checked here, but decisions |
574 | | // the C++ encoder should be able to make based on the level. |
575 | | |
576 | | // All level 5 checks passes, so can return the more compatible level 5 |
577 | 104 | return 5; |
578 | 104 | } |
579 | | |
580 | | JxlEncoderStatus CheckValidBitdepth(uint32_t bits_per_sample, |
581 | 52 | uint32_t exponent_bits_per_sample) { |
582 | 52 | if (!exponent_bits_per_sample) { |
583 | | // The spec allows up to 31 for bits_per_sample here, but |
584 | | // the code does not (yet) support it. |
585 | 52 | if (!(bits_per_sample > 0 && bits_per_sample <= 24)) { |
586 | 0 | return JXL_API_ERROR_NOSET("Invalid value for bits_per_sample"); |
587 | 0 | } |
588 | 52 | } else if ((exponent_bits_per_sample > 8) || |
589 | 0 | (bits_per_sample > 24 + exponent_bits_per_sample) || |
590 | 0 | (bits_per_sample < 3 + exponent_bits_per_sample)) { |
591 | 0 | return JXL_API_ERROR_NOSET("Invalid float description"); |
592 | 0 | } |
593 | 52 | return JxlErrorOrStatus::Success(); |
594 | 52 | } |
595 | | |
596 | | JxlEncoderStatus VerifyInputBitDepth(JxlBitDepth bit_depth, |
597 | 52 | JxlPixelFormat format) { |
598 | 52 | return JxlErrorOrStatus::Success(); |
599 | 52 | } |
600 | | |
601 | | inline bool EncodeVarInt(uint64_t value, size_t output_size, size_t* output_pos, |
602 | 0 | uint8_t* output) { |
603 | | // While more than 7 bits of data are left, |
604 | | // store 7 bits and set the next byte flag |
605 | 0 | while (value > 127) { |
606 | | // TODO(eustas): should it be `>=` ? |
607 | 0 | if (*output_pos > output_size) return false; |
608 | | // |128: Set the next byte flag |
609 | 0 | output[(*output_pos)++] = (static_cast<uint8_t>(value & 127)) | 128; |
610 | | // Remove the seven bits we just wrote |
611 | 0 | value >>= 7; |
612 | 0 | } |
613 | | // TODO(eustas): should it be `>=` ? |
614 | 0 | if (*output_pos > output_size) return false; |
615 | 0 | output[(*output_pos)++] = static_cast<uint8_t>(value & 127); |
616 | 0 | return true; |
617 | 0 | } |
618 | | |
619 | | bool EncodeFrameIndexBox(const jxl::JxlEncoderFrameIndexBox& frame_index_box, |
620 | 0 | std::vector<uint8_t>& buffer_vec) { |
621 | 0 | bool ok = true; |
622 | 0 | int NF = 0; |
623 | 0 | for (size_t i = 0; i < frame_index_box.entries.size(); ++i) { |
624 | 0 | if (i == 0 || frame_index_box.entries[i].to_be_indexed) { |
625 | 0 | ++NF; |
626 | 0 | } |
627 | 0 | } |
628 | | // Frame index box contents varint + 8 bytes |
629 | | // continue with NF * 3 * varint |
630 | | // varint max length is 10 for 64 bit numbers, and these numbers |
631 | | // are limited to 63 bits. |
632 | 0 | static const int kVarintMaxLength = 10; |
633 | 0 | static const int kFrameIndexBoxHeaderLength = kVarintMaxLength + 8; |
634 | 0 | static const int kFrameIndexBoxElementLength = 3 * kVarintMaxLength; |
635 | 0 | const int buffer_size = |
636 | 0 | kFrameIndexBoxHeaderLength + NF * kFrameIndexBoxElementLength; |
637 | 0 | buffer_vec.resize(buffer_size); |
638 | 0 | uint8_t* buffer = buffer_vec.data(); |
639 | 0 | size_t output_pos = 0; |
640 | 0 | ok &= EncodeVarInt(NF, buffer_vec.size(), &output_pos, buffer); |
641 | 0 | StoreBE32(frame_index_box.TNUM, &buffer[output_pos]); |
642 | 0 | output_pos += 4; |
643 | 0 | StoreBE32(frame_index_box.TDEN, &buffer[output_pos]); |
644 | 0 | output_pos += 4; |
645 | | // When we record a frame in the index, the record needs to know |
646 | | // how many frames until the next indexed frame. That is why |
647 | | // we store the 'prev' record. That 'prev' record needs to store |
648 | | // the offset byte position to previously recorded indexed frame, |
649 | | // that's why we also trace previous to the previous frame. |
650 | 0 | int prev_prev_ix = -1; // For position offset (OFFi) delta coding. |
651 | 0 | int prev_ix = 0; |
652 | 0 | int T_prev = 0; |
653 | 0 | int T = 0; |
654 | 0 | for (size_t i = 1; i < frame_index_box.entries.size(); ++i) { |
655 | 0 | if (frame_index_box.entries[i].to_be_indexed) { |
656 | | // Now we can record the previous entry, since we need to store |
657 | | // there how many frames until the next one. |
658 | 0 | int64_t OFFi = frame_index_box.entries[prev_ix].OFFi; |
659 | 0 | if (prev_prev_ix != -1) { |
660 | | // Offi needs to be offset of start byte of this frame compared to start |
661 | | // byte of previous frame from this index in the JPEG XL codestream. For |
662 | | // the first frame, this is the offset from the first byte of the JPEG |
663 | | // XL codestream. |
664 | 0 | OFFi -= frame_index_box.entries[prev_prev_ix].OFFi; |
665 | 0 | } |
666 | 0 | int32_t Ti = T_prev; |
667 | 0 | int32_t Fi = i - prev_ix; |
668 | 0 | ok &= EncodeVarInt(OFFi, buffer_vec.size(), &output_pos, buffer); |
669 | 0 | ok &= EncodeVarInt(Ti, buffer_vec.size(), &output_pos, buffer); |
670 | 0 | ok &= EncodeVarInt(Fi, buffer_vec.size(), &output_pos, buffer); |
671 | 0 | prev_prev_ix = prev_ix; |
672 | 0 | prev_ix = i; |
673 | 0 | T_prev = T; |
674 | 0 | T += frame_index_box.entries[i].duration; |
675 | 0 | } |
676 | 0 | } |
677 | 0 | { |
678 | | // Last frame. |
679 | 0 | size_t i = frame_index_box.entries.size(); |
680 | 0 | int64_t OFFi = frame_index_box.entries[prev_ix].OFFi; |
681 | 0 | if (prev_prev_ix != -1) { |
682 | 0 | OFFi -= frame_index_box.entries[prev_prev_ix].OFFi; |
683 | 0 | } |
684 | 0 | int32_t Ti = T_prev; |
685 | 0 | int32_t Fi = i - prev_ix; |
686 | 0 | ok &= EncodeVarInt(OFFi, buffer_vec.size(), &output_pos, buffer); |
687 | 0 | ok &= EncodeVarInt(Ti, buffer_vec.size(), &output_pos, buffer); |
688 | 0 | ok &= EncodeVarInt(Fi, buffer_vec.size(), &output_pos, buffer); |
689 | 0 | } |
690 | | // Enough buffer has been allocated, this function should never fail in |
691 | | // writing. |
692 | 0 | JXL_ASSERT(ok); |
693 | 0 | buffer_vec.resize(output_pos); |
694 | 0 | return ok; |
695 | 0 | } |
696 | | |
697 | | } // namespace |
698 | | |
699 | 52 | jxl::Status JxlEncoderStruct::ProcessOneEnqueuedInput() { |
700 | 52 | jxl::PaddedBytes header_bytes{&memory_manager}; |
701 | | |
702 | 52 | jxl::JxlEncoderQueuedInput& input = input_queue[0]; |
703 | | |
704 | | // TODO(lode): split this into 3 functions: for adding the signature and other |
705 | | // initial headers (jbrd, ...), one for adding frame, and one for adding user |
706 | | // box. |
707 | | |
708 | 52 | if (!wrote_bytes) { |
709 | | // First time encoding any data, verify the level 5 vs level 10 settings |
710 | 52 | std::string level_message; |
711 | 52 | int required_level = VerifyLevelSettings(this, &level_message); |
712 | | // Only level 5 and 10 are defined, and the function can return -1 to |
713 | | // indicate full incompatibility. |
714 | 52 | JXL_ASSERT(required_level == -1 || required_level == 5 || |
715 | 52 | required_level == 10); |
716 | | // codestream_level == -1 means auto-set to the required level |
717 | 52 | if (codestream_level == -1) codestream_level = required_level; |
718 | 52 | if (codestream_level == 5 && required_level != 5) { |
719 | | // If the required level is 10, return error rather than automatically |
720 | | // setting the level to 10, to avoid inadvertently creating a level 10 |
721 | | // JXL file while intending to target a level 5 decoder. |
722 | 0 | return JXL_API_ERROR( |
723 | 0 | this, JXL_ENC_ERR_API_USAGE, "%s", |
724 | 0 | ("Codestream level verification for level 5 failed: " + level_message) |
725 | 0 | .c_str()); |
726 | 0 | } |
727 | 52 | if (required_level == -1) { |
728 | 0 | return JXL_API_ERROR( |
729 | 0 | this, JXL_ENC_ERR_API_USAGE, "%s", |
730 | 0 | ("Codestream level verification for level 10 failed: " + |
731 | 0 | level_message) |
732 | 0 | .c_str()); |
733 | 0 | } |
734 | 52 | jxl::AuxOut* aux_out = |
735 | 52 | input.frame ? input.frame->option_values.aux_out : nullptr; |
736 | 52 | jxl::BitWriter writer{&memory_manager}; |
737 | 52 | if (!WriteCodestreamHeaders(&metadata, &writer, aux_out)) { |
738 | 0 | return JXL_API_ERROR(this, JXL_ENC_ERR_GENERIC, |
739 | 0 | "Failed to write codestream header"); |
740 | 0 | } |
741 | | // Only send ICC (at least several hundred bytes) if fields aren't enough. |
742 | 52 | if (metadata.m.color_encoding.WantICC()) { |
743 | 0 | if (!jxl::WriteICC(metadata.m.color_encoding.ICC(), &writer, |
744 | 0 | jxl::kLayerHeader, aux_out)) { |
745 | 0 | return JXL_API_ERROR(this, JXL_ENC_ERR_GENERIC, |
746 | 0 | "Failed to write ICC profile"); |
747 | 0 | } |
748 | 0 | } |
749 | | // TODO(lode): preview should be added here if a preview image is added |
750 | | |
751 | 52 | jxl::BitWriter::Allotment allotment(&writer, 8); |
752 | 52 | writer.ZeroPadToByte(); |
753 | 52 | allotment.ReclaimAndCharge(&writer, jxl::kLayerHeader, aux_out); |
754 | | |
755 | 52 | header_bytes = std::move(writer).TakeBytes(); |
756 | | |
757 | | // Not actually the end of frame, but the end of metadata/ICC, but helps |
758 | | // the next frame to start here for indexing purposes. |
759 | 52 | codestream_bytes_written_end_of_frame += header_bytes.size(); |
760 | | |
761 | 52 | if (MustUseContainer()) { |
762 | | // Add "JXL " and ftyp box. |
763 | 0 | { |
764 | 0 | JXL_ASSIGN_OR_RETURN(auto buffer, output_processor.GetBuffer( |
765 | 0 | jxl::kContainerHeader.size())); |
766 | 0 | buffer.append(jxl::kContainerHeader); |
767 | 0 | } |
768 | 0 | if (codestream_level != 5) { |
769 | | // Add jxll box directly after the ftyp box to indicate the codestream |
770 | | // level. |
771 | 0 | JXL_ASSIGN_OR_RETURN(auto buffer, output_processor.GetBuffer( |
772 | 0 | jxl::kLevelBoxHeader.size() + 1)); |
773 | 0 | buffer.append(jxl::kLevelBoxHeader); |
774 | 0 | uint8_t cl = codestream_level; |
775 | 0 | buffer.append(&cl, 1); |
776 | 0 | } |
777 | | |
778 | | // Whether to write the basic info and color profile header of the |
779 | | // codestream into an early separate jxlp box, so that it comes before |
780 | | // metadata or jpeg reconstruction boxes. In theory this could simply |
781 | | // always be done, but there's no reason to add an extra box with box |
782 | | // header overhead if the codestream will already come immediately after |
783 | | // the signature and level boxes. |
784 | 0 | bool partial_header = |
785 | 0 | store_jpeg_metadata || |
786 | 0 | (use_boxes && (!input.frame && !input.fast_lossless_frame)); |
787 | |
|
788 | 0 | if (partial_header) { |
789 | 0 | JXL_RETURN_IF_ERROR(AppendBox( |
790 | 0 | jxl::MakeBoxType("jxlp"), /*unbounded=*/false, |
791 | 0 | header_bytes.size() + 4, [&]() { |
792 | 0 | JXL_ASSIGN_OR_RETURN(auto buffer, output_processor.GetBuffer( |
793 | 0 | header_bytes.size() + 4)); |
794 | 0 | WriteJxlpBoxCounter(jxlp_counter++, /*last=*/false, buffer); |
795 | 0 | buffer.append(header_bytes); |
796 | 0 | return jxl::OkStatus(); |
797 | 0 | })); |
798 | 0 | header_bytes.clear(); |
799 | 0 | } |
800 | | |
801 | 0 | if (store_jpeg_metadata && !jpeg_metadata.empty()) { |
802 | 0 | JXL_RETURN_IF_ERROR( |
803 | 0 | AppendBoxWithContents(jxl::MakeBoxType("jbrd"), jpeg_metadata)); |
804 | 0 | } |
805 | 0 | } |
806 | 52 | wrote_bytes = true; |
807 | 52 | } |
808 | | |
809 | 52 | output_processor.SetFinalizedPosition(); |
810 | | |
811 | | // Choose frame or box processing: exactly one of the two unique pointers (box |
812 | | // or frame) in the input queue item is non-null. |
813 | 52 | if (input.frame || input.fast_lossless_frame) { |
814 | 52 | jxl::MemoryManagerUniquePtr<jxl::JxlEncoderQueuedFrame> input_frame = |
815 | 52 | std::move(input.frame); |
816 | 52 | jxl::FJXLFrameUniquePtr fast_lossless_frame = |
817 | 52 | std::move(input.fast_lossless_frame); |
818 | 52 | input_queue.erase(input_queue.begin()); |
819 | 52 | num_queued_frames--; |
820 | 52 | if (input_frame) { |
821 | 52 | for (unsigned idx = 0; idx < input_frame->ec_initialized.size(); idx++) { |
822 | 0 | if (!input_frame->ec_initialized[idx]) { |
823 | 0 | return JXL_API_ERROR(this, JXL_ENC_ERR_API_USAGE, |
824 | 0 | "Extra channel %u is not initialized", idx); |
825 | 0 | } |
826 | 0 | } |
827 | | |
828 | | // TODO(zond): If the input queue is empty and the frames_closed is true, |
829 | | // then mark this frame as the last. |
830 | | |
831 | | // TODO(zond): Handle progressive mode like EncodeFile does it. |
832 | | // TODO(zond): Handle animation like EncodeFile does it, by checking if |
833 | | // JxlEncoderCloseFrames has been called and if the frame |
834 | | // queue is empty (to see if it's the last animation frame). |
835 | | |
836 | 52 | if (metadata.m.xyb_encoded) { |
837 | 52 | input_frame->option_values.cparams.color_transform = |
838 | 52 | jxl::ColorTransform::kXYB; |
839 | 52 | } else { |
840 | | // TODO(zond): Figure out when to use kYCbCr instead. |
841 | 0 | input_frame->option_values.cparams.color_transform = |
842 | 0 | jxl::ColorTransform::kNone; |
843 | 0 | } |
844 | 52 | } |
845 | | |
846 | 52 | uint32_t duration; |
847 | 52 | uint32_t timecode; |
848 | 52 | if (input_frame && metadata.m.have_animation) { |
849 | 0 | duration = input_frame->option_values.header.duration; |
850 | 0 | timecode = input_frame->option_values.header.timecode; |
851 | 52 | } else { |
852 | | // If have_animation is false, the encoder should ignore the duration and |
853 | | // timecode values. However, assigning them to ib will cause the encoder |
854 | | // to write an invalid frame header that can't be decoded so ensure |
855 | | // they're the default value of 0 here. |
856 | 52 | duration = 0; |
857 | 52 | timecode = 0; |
858 | 52 | } |
859 | | |
860 | 52 | const bool last_frame = frames_closed && (num_queued_frames == 0); |
861 | | |
862 | 52 | uint32_t max_bits_per_sample = metadata.m.bit_depth.bits_per_sample; |
863 | 52 | for (const auto& info : metadata.m.extra_channel_info) { |
864 | 0 | max_bits_per_sample = |
865 | 0 | std::max(max_bits_per_sample, info.bit_depth.bits_per_sample); |
866 | 0 | } |
867 | | // Heuristic upper bound on how many bits a single pixel in a single channel |
868 | | // can use. |
869 | 52 | uint32_t bits_per_channels_estimate = |
870 | 52 | std::max(24u, max_bits_per_sample + 3); |
871 | 52 | size_t upper_bound_on_compressed_size_bits = |
872 | 52 | metadata.xsize() * metadata.ysize() * |
873 | 52 | (metadata.m.color_encoding.Channels() + metadata.m.num_extra_channels) * |
874 | 52 | bits_per_channels_estimate; |
875 | | // Add a 1MB = 0x100000 for an heuristic upper bound on small sizes. |
876 | 52 | size_t upper_bound_on_compressed_size_bytes = |
877 | 52 | 0x100000 + (upper_bound_on_compressed_size_bits >> 3); |
878 | 52 | bool use_large_box = upper_bound_on_compressed_size_bytes >= |
879 | 52 | jxl::kLargeBoxContentSizeThreshold; |
880 | 52 | size_t box_header_size = |
881 | 52 | use_large_box ? jxl::kLargeBoxHeaderSize : jxl::kSmallBoxHeaderSize; |
882 | | |
883 | 52 | const size_t frame_start_pos = output_processor.CurrentPosition(); |
884 | 52 | if (MustUseContainer()) { |
885 | 0 | if (!last_frame || jxlp_counter > 0) { |
886 | | // If this is the last frame and no jxlp boxes were used yet, it's |
887 | | // slightly more efficient to write a jxlc box since it has 4 bytes |
888 | | // less overhead. |
889 | 0 | box_header_size += 4; // jxlp_counter field |
890 | 0 | } |
891 | 0 | output_processor.Seek(frame_start_pos + box_header_size); |
892 | 0 | } |
893 | 52 | const size_t frame_codestream_start = output_processor.CurrentPosition(); |
894 | | |
895 | 52 | JXL_RETURN_IF_ERROR(AppendData(output_processor, header_bytes)); |
896 | | |
897 | 52 | if (input_frame) { |
898 | 52 | frame_index_box.AddFrame(codestream_bytes_written_end_of_frame, duration, |
899 | 52 | input_frame->option_values.frame_index_box); |
900 | | |
901 | 52 | size_t save_as_reference = |
902 | 52 | input_frame->option_values.header.layer_info.save_as_reference; |
903 | 52 | if (save_as_reference >= 3) { |
904 | 0 | return JXL_API_ERROR( |
905 | 0 | this, JXL_ENC_ERR_API_USAGE, |
906 | 0 | "Cannot use save_as_reference values >=3 (found: %d)", |
907 | 0 | static_cast<int>(save_as_reference)); |
908 | 0 | } |
909 | | |
910 | 52 | jxl::FrameInfo frame_info; |
911 | 52 | frame_info.is_last = last_frame; |
912 | 52 | frame_info.save_as_reference = save_as_reference; |
913 | 52 | frame_info.source = |
914 | 52 | input_frame->option_values.header.layer_info.blend_info.source; |
915 | 52 | frame_info.clamp = FROM_JXL_BOOL( |
916 | 52 | input_frame->option_values.header.layer_info.blend_info.clamp); |
917 | 52 | frame_info.alpha_channel = |
918 | 52 | input_frame->option_values.header.layer_info.blend_info.alpha; |
919 | 52 | frame_info.extra_channel_blending_info.resize( |
920 | 52 | metadata.m.num_extra_channels); |
921 | | // If extra channel blend info has not been set, use the blend mode from |
922 | | // the layer_info. |
923 | 52 | JxlBlendInfo default_blend_info = |
924 | 52 | input_frame->option_values.header.layer_info.blend_info; |
925 | 52 | for (size_t i = 0; i < metadata.m.num_extra_channels; ++i) { |
926 | 0 | auto& to = frame_info.extra_channel_blending_info[i]; |
927 | 0 | const auto& from = |
928 | 0 | i < input_frame->option_values.extra_channel_blend_info.size() |
929 | 0 | ? input_frame->option_values.extra_channel_blend_info[i] |
930 | 0 | : default_blend_info; |
931 | 0 | to.mode = static_cast<jxl::BlendMode>(from.blendmode); |
932 | 0 | to.source = from.source; |
933 | 0 | to.alpha_channel = from.alpha; |
934 | 0 | to.clamp = (from.clamp != 0); |
935 | 0 | } |
936 | 52 | frame_info.origin.x0 = |
937 | 52 | input_frame->option_values.header.layer_info.crop_x0; |
938 | 52 | frame_info.origin.y0 = |
939 | 52 | input_frame->option_values.header.layer_info.crop_y0; |
940 | 52 | frame_info.blendmode = static_cast<jxl::BlendMode>( |
941 | 52 | input_frame->option_values.header.layer_info.blend_info.blendmode); |
942 | 52 | frame_info.blend = |
943 | 52 | input_frame->option_values.header.layer_info.blend_info.blendmode != |
944 | 52 | JXL_BLEND_REPLACE; |
945 | 52 | frame_info.image_bit_depth = input_frame->option_values.image_bit_depth; |
946 | 52 | frame_info.duration = duration; |
947 | 52 | frame_info.timecode = timecode; |
948 | 52 | frame_info.name = input_frame->option_values.frame_name; |
949 | | |
950 | 52 | if (!jxl::EncodeFrame(&memory_manager, input_frame->option_values.cparams, |
951 | 52 | frame_info, &metadata, input_frame->frame_data, cms, |
952 | 52 | thread_pool.get(), &output_processor, |
953 | 52 | input_frame->option_values.aux_out)) { |
954 | 0 | return JXL_API_ERROR(this, JXL_ENC_ERR_GENERIC, |
955 | 0 | "Failed to encode frame"); |
956 | 0 | } |
957 | 52 | } else { |
958 | 0 | JXL_CHECK(fast_lossless_frame); |
959 | 0 | auto runner = +[](void* void_pool, void* opaque, void fun(void*, size_t), |
960 | 0 | size_t count) { |
961 | 0 | auto* pool = reinterpret_cast<jxl::ThreadPool*>(void_pool); |
962 | 0 | JXL_CHECK(jxl::RunOnPool( |
963 | 0 | pool, 0, count, jxl::ThreadPool::NoInit, |
964 | 0 | [&](size_t i, size_t) { fun(opaque, i); }, "Encode fast lossless")); |
965 | 0 | }; |
966 | 0 | JxlFastLosslessProcessFrame(fast_lossless_frame.get(), last_frame, |
967 | 0 | thread_pool.get(), runner, &output_processor); |
968 | 0 | } |
969 | | |
970 | 52 | const size_t frame_codestream_end = output_processor.CurrentPosition(); |
971 | 52 | const size_t frame_codestream_size = |
972 | 52 | frame_codestream_end - frame_codestream_start; |
973 | | |
974 | 52 | codestream_bytes_written_end_of_frame += |
975 | 52 | frame_codestream_size - header_bytes.size(); |
976 | | |
977 | 52 | if (MustUseContainer()) { |
978 | 0 | output_processor.Seek(frame_start_pos); |
979 | 0 | std::vector<uint8_t> box_header(box_header_size); |
980 | 0 | if (!use_large_box && |
981 | 0 | frame_codestream_size >= jxl::kLargeBoxContentSizeThreshold) { |
982 | | // Assuming our upper bound estimate is correct, this should never |
983 | | // happen. |
984 | 0 | return JXL_API_ERROR( |
985 | 0 | this, JXL_ENC_ERR_GENERIC, |
986 | 0 | "Box size was estimated to be small, but turned out to be large. " |
987 | 0 | "Please file this error in size estimation as a bug."); |
988 | 0 | } |
989 | 0 | if (last_frame && jxlp_counter == 0) { |
990 | 0 | #if JXL_ENABLE_ASSERT |
991 | 0 | const size_t n = |
992 | 0 | #endif |
993 | 0 | jxl::WriteBoxHeader(jxl::MakeBoxType("jxlc"), frame_codestream_size, |
994 | 0 | /*unbounded=*/false, use_large_box, |
995 | 0 | box_header.data()); |
996 | 0 | JXL_ASSERT(n == box_header_size); |
997 | 0 | } else { |
998 | 0 | #if JXL_ENABLE_ASSERT |
999 | 0 | const size_t n = |
1000 | 0 | #endif |
1001 | 0 | jxl::WriteBoxHeader( |
1002 | 0 | jxl::MakeBoxType("jxlp"), frame_codestream_size + 4, |
1003 | 0 | /*unbounded=*/false, use_large_box, box_header.data()); |
1004 | 0 | JXL_ASSERT(n == box_header_size - 4); |
1005 | 0 | WriteJxlpBoxCounter(jxlp_counter++, last_frame, |
1006 | 0 | &box_header[box_header_size - 4]); |
1007 | 0 | } |
1008 | 0 | JXL_RETURN_IF_ERROR(AppendData(output_processor, box_header)); |
1009 | 0 | JXL_ASSERT(output_processor.CurrentPosition() == frame_codestream_start); |
1010 | 0 | output_processor.Seek(frame_codestream_end); |
1011 | 0 | } |
1012 | 52 | output_processor.SetFinalizedPosition(); |
1013 | 52 | if (input_frame) { |
1014 | 52 | last_used_cparams = input_frame->option_values.cparams; |
1015 | 52 | } |
1016 | 52 | if (last_frame && frame_index_box.StoreFrameIndexBox()) { |
1017 | 0 | std::vector<uint8_t> index_box_content; |
1018 | 0 | EncodeFrameIndexBox(frame_index_box, index_box_content); |
1019 | 0 | JXL_RETURN_IF_ERROR(AppendBoxWithContents(jxl::MakeBoxType("jxli"), |
1020 | 0 | jxl::Bytes(index_box_content))); |
1021 | 0 | } |
1022 | 52 | } else { |
1023 | | // Not a frame, so is a box instead |
1024 | 0 | jxl::MemoryManagerUniquePtr<jxl::JxlEncoderQueuedBox> box = |
1025 | 0 | std::move(input.box); |
1026 | 0 | input_queue.erase(input_queue.begin()); |
1027 | 0 | num_queued_boxes--; |
1028 | |
|
1029 | 0 | if (box->compress_box) { |
1030 | 0 | jxl::PaddedBytes compressed(&memory_manager, 4); |
1031 | | // Prepend the original box type in the brob box contents |
1032 | 0 | for (size_t i = 0; i < 4; i++) { |
1033 | 0 | compressed[i] = static_cast<uint8_t>(box->type[i]); |
1034 | 0 | } |
1035 | 0 | if (JXL_ENC_SUCCESS != |
1036 | 0 | BrotliCompress((brotli_effort >= 0 ? brotli_effort : 4), |
1037 | 0 | box->contents.data(), box->contents.size(), |
1038 | 0 | &compressed)) { |
1039 | 0 | return JXL_API_ERROR(this, JXL_ENC_ERR_GENERIC, |
1040 | 0 | "Brotli compression for brob box failed"); |
1041 | 0 | } |
1042 | | |
1043 | 0 | JXL_RETURN_IF_ERROR( |
1044 | 0 | AppendBoxWithContents(jxl::MakeBoxType("brob"), compressed)); |
1045 | 0 | } else { |
1046 | 0 | JXL_RETURN_IF_ERROR(AppendBoxWithContents(box->type, box->contents)); |
1047 | 0 | } |
1048 | 0 | } |
1049 | | |
1050 | 52 | return jxl::OkStatus(); |
1051 | 52 | } |
1052 | | |
1053 | | JxlEncoderStatus JxlEncoderSetColorEncoding(JxlEncoder* enc, |
1054 | 52 | const JxlColorEncoding* color) { |
1055 | 52 | if (!enc->basic_info_set) { |
1056 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, "Basic info not yet set"); |
1057 | 0 | } |
1058 | 52 | if (enc->color_encoding_set) { |
1059 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1060 | 0 | "Color encoding is already set"); |
1061 | 0 | } |
1062 | 52 | if (!enc->metadata.m.color_encoding.FromExternal(*color)) { |
1063 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_GENERIC, "Error in color conversion"); |
1064 | 0 | } |
1065 | 52 | if (enc->metadata.m.color_encoding.GetColorSpace() == |
1066 | 52 | jxl::ColorSpace::kGray) { |
1067 | 0 | if (enc->basic_info.num_color_channels != 1) { |
1068 | 0 | return JXL_API_ERROR( |
1069 | 0 | enc, JXL_ENC_ERR_API_USAGE, |
1070 | 0 | "Cannot use grayscale color encoding with num_color_channels != 1"); |
1071 | 0 | } |
1072 | 52 | } else { |
1073 | 52 | if (enc->basic_info.num_color_channels != 3) { |
1074 | 0 | return JXL_API_ERROR( |
1075 | 0 | enc, JXL_ENC_ERR_API_USAGE, |
1076 | 0 | "Cannot use RGB color encoding with num_color_channels != 3"); |
1077 | 0 | } |
1078 | 52 | } |
1079 | 52 | enc->color_encoding_set = true; |
1080 | 52 | if (!enc->intensity_target_set) { |
1081 | 52 | jxl::SetIntensityTarget(&enc->metadata.m); |
1082 | 52 | } |
1083 | 52 | return JxlErrorOrStatus::Success(); |
1084 | 52 | } |
1085 | | |
1086 | | JxlEncoderStatus JxlEncoderSetICCProfile(JxlEncoder* enc, |
1087 | | const uint8_t* icc_profile, |
1088 | 0 | size_t size) { |
1089 | 0 | if (!enc->basic_info_set) { |
1090 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, "Basic info not yet set"); |
1091 | 0 | } |
1092 | 0 | if (enc->color_encoding_set) { |
1093 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1094 | 0 | "ICC profile is already set"); |
1095 | 0 | } |
1096 | 0 | if (size == 0) { |
1097 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_BAD_INPUT, "Empty ICC profile"); |
1098 | 0 | } |
1099 | 0 | jxl::IccBytes icc; |
1100 | 0 | icc.assign(icc_profile, icc_profile + size); |
1101 | 0 | if (enc->cms_set) { |
1102 | 0 | if (!enc->metadata.m.color_encoding.SetICC(std::move(icc), &enc->cms)) { |
1103 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_BAD_INPUT, |
1104 | 0 | "ICC profile could not be set"); |
1105 | 0 | } |
1106 | 0 | } else { |
1107 | 0 | enc->metadata.m.color_encoding.SetICCRaw(std::move(icc)); |
1108 | 0 | } |
1109 | 0 | if (enc->metadata.m.color_encoding.GetColorSpace() == |
1110 | 0 | jxl::ColorSpace::kGray) { |
1111 | 0 | if (enc->basic_info.num_color_channels != 1) { |
1112 | 0 | return JXL_API_ERROR( |
1113 | 0 | enc, JXL_ENC_ERR_BAD_INPUT, |
1114 | 0 | "Cannot use grayscale ICC profile with num_color_channels != 1"); |
1115 | 0 | } |
1116 | 0 | } else { |
1117 | 0 | if (enc->basic_info.num_color_channels != 3) { |
1118 | 0 | return JXL_API_ERROR( |
1119 | 0 | enc, JXL_ENC_ERR_BAD_INPUT, |
1120 | 0 | "Cannot use RGB ICC profile with num_color_channels != 3"); |
1121 | 0 | } |
1122 | | // TODO(jon): also check that a kBlack extra channel is provided in the CMYK |
1123 | | // case |
1124 | 0 | } |
1125 | 0 | enc->color_encoding_set = true; |
1126 | 0 | if (!enc->intensity_target_set) { |
1127 | 0 | jxl::SetIntensityTarget(&enc->metadata.m); |
1128 | 0 | } |
1129 | |
|
1130 | 0 | if (!enc->basic_info.uses_original_profile && enc->cms_set) { |
1131 | 0 | enc->metadata.m.color_encoding.DecideIfWantICC(enc->cms); |
1132 | 0 | } |
1133 | |
|
1134 | 0 | return JxlErrorOrStatus::Success(); |
1135 | 0 | } |
1136 | | |
1137 | 130 | void JxlEncoderInitBasicInfo(JxlBasicInfo* info) { |
1138 | 130 | info->have_container = JXL_FALSE; |
1139 | 130 | info->xsize = 0; |
1140 | 130 | info->ysize = 0; |
1141 | 130 | info->bits_per_sample = 8; |
1142 | 130 | info->exponent_bits_per_sample = 0; |
1143 | 130 | info->intensity_target = 0.f; |
1144 | 130 | info->min_nits = 0.f; |
1145 | 130 | info->relative_to_max_display = JXL_FALSE; |
1146 | 130 | info->linear_below = 0.f; |
1147 | 130 | info->uses_original_profile = JXL_FALSE; |
1148 | 130 | info->have_preview = JXL_FALSE; |
1149 | 130 | info->have_animation = JXL_FALSE; |
1150 | 130 | info->orientation = JXL_ORIENT_IDENTITY; |
1151 | 130 | info->num_color_channels = 3; |
1152 | 130 | info->num_extra_channels = 0; |
1153 | 130 | info->alpha_bits = 0; |
1154 | 130 | info->alpha_exponent_bits = 0; |
1155 | 130 | info->alpha_premultiplied = JXL_FALSE; |
1156 | 130 | info->preview.xsize = 0; |
1157 | 130 | info->preview.ysize = 0; |
1158 | 130 | info->intrinsic_xsize = 0; |
1159 | 130 | info->intrinsic_ysize = 0; |
1160 | 130 | info->animation.tps_numerator = 10; |
1161 | 130 | info->animation.tps_denominator = 1; |
1162 | 130 | info->animation.num_loops = 0; |
1163 | 130 | info->animation.have_timecodes = JXL_FALSE; |
1164 | 130 | } |
1165 | | |
1166 | 52 | void JxlEncoderInitFrameHeader(JxlFrameHeader* frame_header) { |
1167 | | // For each field, the default value of the specification is used. Depending |
1168 | | // on whether an animation frame, or a composite still blending frame, |
1169 | | // is used, different fields have to be set up by the user after initing |
1170 | | // the frame header. |
1171 | 52 | frame_header->duration = 0; |
1172 | 52 | frame_header->timecode = 0; |
1173 | 52 | frame_header->name_length = 0; |
1174 | | // In the specification, the default value of is_last is !frame_type, and the |
1175 | | // default frame_type is kRegularFrame which has value 0, so is_last is true |
1176 | | // by default. However, the encoder does not use this value (the field exists |
1177 | | // for the decoder to set) since last frame is determined by usage of |
1178 | | // JxlEncoderCloseFrames instead. |
1179 | 52 | frame_header->is_last = JXL_TRUE; |
1180 | 52 | frame_header->layer_info.have_crop = JXL_FALSE; |
1181 | 52 | frame_header->layer_info.crop_x0 = 0; |
1182 | 52 | frame_header->layer_info.crop_y0 = 0; |
1183 | | // These must be set if have_crop is enabled, but the default value has |
1184 | | // have_crop false, and these dimensions 0. The user must set these to the |
1185 | | // desired size after enabling have_crop (which is not yet implemented). |
1186 | 52 | frame_header->layer_info.xsize = 0; |
1187 | 52 | frame_header->layer_info.ysize = 0; |
1188 | 52 | JxlEncoderInitBlendInfo(&frame_header->layer_info.blend_info); |
1189 | 52 | frame_header->layer_info.save_as_reference = 0; |
1190 | 52 | } |
1191 | | |
1192 | 52 | void JxlEncoderInitBlendInfo(JxlBlendInfo* blend_info) { |
1193 | | // Default blend mode in the specification is 0. Note that combining |
1194 | | // blend mode of replace with a duration is not useful, but the user has to |
1195 | | // manually set duration in case of animation, or manually change the blend |
1196 | | // mode in case of composite stills, so initing to a combination that is not |
1197 | | // useful on its own is not an issue. |
1198 | 52 | blend_info->blendmode = JXL_BLEND_REPLACE; |
1199 | 52 | blend_info->source = 0; |
1200 | 52 | blend_info->alpha = 0; |
1201 | 52 | blend_info->clamp = 0; |
1202 | 52 | } |
1203 | | |
1204 | | JxlEncoderStatus JxlEncoderSetBasicInfo(JxlEncoder* enc, |
1205 | 52 | const JxlBasicInfo* info) { |
1206 | 52 | if (!enc->metadata.size.Set(info->xsize, info->ysize)) { |
1207 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, "Invalid dimensions"); |
1208 | 0 | } |
1209 | 52 | if (JXL_ENC_SUCCESS != CheckValidBitdepth(info->bits_per_sample, |
1210 | 52 | info->exponent_bits_per_sample)) { |
1211 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, "Invalid bit depth"); |
1212 | 0 | } |
1213 | | |
1214 | 52 | enc->metadata.m.bit_depth.bits_per_sample = info->bits_per_sample; |
1215 | 52 | enc->metadata.m.bit_depth.exponent_bits_per_sample = |
1216 | 52 | info->exponent_bits_per_sample; |
1217 | 52 | enc->metadata.m.bit_depth.floating_point_sample = |
1218 | 52 | (info->exponent_bits_per_sample != 0u); |
1219 | 52 | enc->metadata.m.modular_16_bit_buffer_sufficient = |
1220 | 52 | (!FROM_JXL_BOOL(info->uses_original_profile) || |
1221 | 52 | info->bits_per_sample <= 12) && |
1222 | 52 | info->alpha_bits <= 12; |
1223 | 52 | if ((info->intrinsic_xsize > 0 || info->intrinsic_ysize > 0) && |
1224 | 52 | (info->intrinsic_xsize != info->xsize || |
1225 | 0 | info->intrinsic_ysize != info->ysize)) { |
1226 | 0 | if (info->intrinsic_xsize > (1ull << 30ull) || |
1227 | 0 | info->intrinsic_ysize > (1ull << 30ull) || |
1228 | 0 | !enc->metadata.m.intrinsic_size.Set(info->intrinsic_xsize, |
1229 | 0 | info->intrinsic_ysize)) { |
1230 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1231 | 0 | "Invalid intrinsic dimensions"); |
1232 | 0 | } |
1233 | 0 | enc->metadata.m.have_intrinsic_size = true; |
1234 | 0 | } |
1235 | | |
1236 | | // The number of extra channels includes the alpha channel, so for example and |
1237 | | // RGBA with no other extra channels, has exactly num_extra_channels == 1 |
1238 | 52 | enc->metadata.m.num_extra_channels = info->num_extra_channels; |
1239 | 52 | enc->metadata.m.extra_channel_info.resize(enc->metadata.m.num_extra_channels); |
1240 | 52 | if (info->num_extra_channels == 0 && info->alpha_bits) { |
1241 | 0 | return JXL_API_ERROR( |
1242 | 0 | enc, JXL_ENC_ERR_API_USAGE, |
1243 | 0 | "when alpha_bits is non-zero, the number of channels must be at least " |
1244 | 0 | "1"); |
1245 | 0 | } |
1246 | | // If the user provides non-zero alpha_bits, we make the channel info at index |
1247 | | // zero the appropriate alpha channel. |
1248 | 52 | if (info->alpha_bits) { |
1249 | 0 | JxlExtraChannelInfo channel_info; |
1250 | 0 | JxlEncoderInitExtraChannelInfo(JXL_CHANNEL_ALPHA, &channel_info); |
1251 | 0 | channel_info.bits_per_sample = info->alpha_bits; |
1252 | 0 | channel_info.exponent_bits_per_sample = info->alpha_exponent_bits; |
1253 | 0 | if (JxlEncoderSetExtraChannelInfo(enc, 0, &channel_info)) { |
1254 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1255 | 0 | "Problem setting extra channel info for alpha"); |
1256 | 0 | } |
1257 | 0 | } |
1258 | | |
1259 | 52 | enc->metadata.m.xyb_encoded = !FROM_JXL_BOOL(info->uses_original_profile); |
1260 | 52 | if (info->orientation > 0 && info->orientation <= 8) { |
1261 | 52 | enc->metadata.m.orientation = info->orientation; |
1262 | 52 | } else { |
1263 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1264 | 0 | "Invalid value for orientation field"); |
1265 | 0 | } |
1266 | 52 | if (info->num_color_channels != 1 && info->num_color_channels != 3) { |
1267 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1268 | 0 | "Invalid number of color channels"); |
1269 | 0 | } |
1270 | 52 | if (info->intensity_target != 0) { |
1271 | 0 | enc->metadata.m.SetIntensityTarget(info->intensity_target); |
1272 | 0 | enc->intensity_target_set = true; |
1273 | 52 | } else if (enc->color_encoding_set) { |
1274 | | // If this is false, JxlEncoderSetColorEncoding will be called later and we |
1275 | | // will get one more chance to call jxl::SetIntensityTarget, after the color |
1276 | | // encoding is indeed set. |
1277 | 0 | jxl::SetIntensityTarget(&enc->metadata.m); |
1278 | 0 | enc->intensity_target_set = true; |
1279 | 0 | } |
1280 | 52 | enc->metadata.m.tone_mapping.min_nits = info->min_nits; |
1281 | 52 | enc->metadata.m.tone_mapping.relative_to_max_display = |
1282 | 52 | FROM_JXL_BOOL(info->relative_to_max_display); |
1283 | 52 | enc->metadata.m.tone_mapping.linear_below = info->linear_below; |
1284 | 52 | enc->basic_info = *info; |
1285 | 52 | enc->basic_info_set = true; |
1286 | | |
1287 | 52 | enc->metadata.m.have_animation = FROM_JXL_BOOL(info->have_animation); |
1288 | 52 | if (info->have_animation) { |
1289 | 0 | if (info->animation.tps_denominator < 1) { |
1290 | 0 | return JXL_API_ERROR( |
1291 | 0 | enc, JXL_ENC_ERR_API_USAGE, |
1292 | 0 | "If animation is used, tps_denominator must be >= 1"); |
1293 | 0 | } |
1294 | 0 | if (info->animation.tps_numerator < 1) { |
1295 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1296 | 0 | "If animation is used, tps_numerator must be >= 1"); |
1297 | 0 | } |
1298 | 0 | enc->metadata.m.animation.tps_numerator = info->animation.tps_numerator; |
1299 | 0 | enc->metadata.m.animation.tps_denominator = info->animation.tps_denominator; |
1300 | 0 | enc->metadata.m.animation.num_loops = info->animation.num_loops; |
1301 | 0 | enc->metadata.m.animation.have_timecodes = |
1302 | 0 | FROM_JXL_BOOL(info->animation.have_timecodes); |
1303 | 0 | } |
1304 | 52 | std::string level_message; |
1305 | 52 | int required_level = VerifyLevelSettings(enc, &level_message); |
1306 | 52 | if (required_level == -1 || |
1307 | 52 | (static_cast<int>(enc->codestream_level) < required_level && |
1308 | 52 | enc->codestream_level != -1)) { |
1309 | 0 | return JXL_API_ERROR( |
1310 | 0 | enc, JXL_ENC_ERR_API_USAGE, "%s", |
1311 | 0 | ("Codestream level verification for level " + |
1312 | 0 | std::to_string(enc->codestream_level) + " failed: " + level_message) |
1313 | 0 | .c_str()); |
1314 | 0 | } |
1315 | 52 | return JxlErrorOrStatus::Success(); |
1316 | 52 | } |
1317 | | |
1318 | | void JxlEncoderInitExtraChannelInfo(JxlExtraChannelType type, |
1319 | 0 | JxlExtraChannelInfo* info) { |
1320 | 0 | info->type = type; |
1321 | 0 | info->bits_per_sample = 8; |
1322 | 0 | info->exponent_bits_per_sample = 0; |
1323 | 0 | info->dim_shift = 0; |
1324 | 0 | info->name_length = 0; |
1325 | 0 | info->alpha_premultiplied = JXL_FALSE; |
1326 | 0 | info->spot_color[0] = 0; |
1327 | 0 | info->spot_color[1] = 0; |
1328 | 0 | info->spot_color[2] = 0; |
1329 | 0 | info->spot_color[3] = 0; |
1330 | 0 | info->cfa_channel = 0; |
1331 | 0 | } |
1332 | | |
1333 | | JXL_EXPORT JxlEncoderStatus JxlEncoderSetUpsamplingMode(JxlEncoder* enc, |
1334 | | const int64_t factor, |
1335 | 0 | const int64_t mode) { |
1336 | | // for convenience, allow calling this with factor 1 and just make it a no-op |
1337 | 0 | if (factor == 1) return JxlErrorOrStatus::Success(); |
1338 | 0 | if (factor != 2 && factor != 4 && factor != 8) { |
1339 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1340 | 0 | "Invalid upsampling factor"); |
1341 | 0 | } |
1342 | 0 | if (mode < -1) |
1343 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, "Invalid upsampling mode"); |
1344 | 0 | if (mode > 1) { |
1345 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_NOT_SUPPORTED, |
1346 | 0 | "Unsupported upsampling mode"); |
1347 | 0 | } |
1348 | | |
1349 | 0 | const size_t count = (factor == 2 ? 15 : (factor == 4 ? 55 : 210)); |
1350 | 0 | auto& td = enc->metadata.transform_data; |
1351 | 0 | float* weights = (factor == 2 ? td.upsampling2_weights |
1352 | 0 | : (factor == 4 ? td.upsampling4_weights |
1353 | 0 | : td.upsampling8_weights)); |
1354 | 0 | if (mode == -1) { |
1355 | | // Default fancy upsampling: don't signal custom weights |
1356 | 0 | enc->metadata.transform_data.custom_weights_mask &= ~(factor >> 1); |
1357 | 0 | } else if (mode == 0) { |
1358 | | // Nearest neighbor upsampling |
1359 | 0 | enc->metadata.transform_data.custom_weights_mask |= (factor >> 1); |
1360 | 0 | memset(weights, 0, sizeof(float) * count); |
1361 | 0 | if (factor == 2) { |
1362 | 0 | weights[9] = 1.f; |
1363 | 0 | } else if (factor == 4) { |
1364 | 0 | for (int i : {19, 24, 49}) weights[i] = 1.f; |
1365 | 0 | } else if (factor == 8) { |
1366 | 0 | for (int i : {39, 44, 49, 54, 119, 124, 129, 174, 179, 204}) { |
1367 | 0 | weights[i] = 1.f; |
1368 | 0 | } |
1369 | 0 | } |
1370 | 0 | } else if (mode == 1) { |
1371 | | // 'Pixel dots' upsampling (nearest-neighbor with cut corners) |
1372 | 0 | JxlEncoderSetUpsamplingMode(enc, factor, 0); |
1373 | 0 | if (factor == 4) { |
1374 | 0 | weights[19] = 0.f; |
1375 | 0 | weights[24] = 0.5f; |
1376 | 0 | } else if (factor == 8) { |
1377 | 0 | for (int i : {39, 44, 49, 119}) weights[i] = 0.f; |
1378 | 0 | for (int i : {54, 124}) weights[i] = 0.5f; |
1379 | 0 | } |
1380 | 0 | } |
1381 | 0 | return JxlErrorOrStatus::Success(); |
1382 | 0 | } |
1383 | | |
1384 | | JXL_EXPORT JxlEncoderStatus JxlEncoderSetExtraChannelInfo( |
1385 | 0 | JxlEncoder* enc, size_t index, const JxlExtraChannelInfo* info) { |
1386 | 0 | if (index >= enc->metadata.m.num_extra_channels) { |
1387 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1388 | 0 | "Invalid value for the index of extra channel"); |
1389 | 0 | } |
1390 | 0 | if (JXL_ENC_SUCCESS != CheckValidBitdepth(info->bits_per_sample, |
1391 | 0 | info->exponent_bits_per_sample)) { |
1392 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, "Invalid bit depth"); |
1393 | 0 | } |
1394 | | |
1395 | 0 | jxl::ExtraChannelInfo& channel = enc->metadata.m.extra_channel_info[index]; |
1396 | 0 | channel.type = static_cast<jxl::ExtraChannel>(info->type); |
1397 | 0 | channel.bit_depth.bits_per_sample = info->bits_per_sample; |
1398 | 0 | enc->metadata.m.modular_16_bit_buffer_sufficient &= |
1399 | 0 | info->bits_per_sample <= 12; |
1400 | 0 | channel.bit_depth.exponent_bits_per_sample = info->exponent_bits_per_sample; |
1401 | 0 | channel.bit_depth.floating_point_sample = info->exponent_bits_per_sample != 0; |
1402 | 0 | channel.dim_shift = info->dim_shift; |
1403 | 0 | channel.name = ""; |
1404 | 0 | channel.alpha_associated = (info->alpha_premultiplied != 0); |
1405 | 0 | channel.cfa_channel = info->cfa_channel; |
1406 | 0 | channel.spot_color[0] = info->spot_color[0]; |
1407 | 0 | channel.spot_color[1] = info->spot_color[1]; |
1408 | 0 | channel.spot_color[2] = info->spot_color[2]; |
1409 | 0 | channel.spot_color[3] = info->spot_color[3]; |
1410 | 0 | std::string level_message; |
1411 | 0 | int required_level = VerifyLevelSettings(enc, &level_message); |
1412 | 0 | if (required_level == -1 || |
1413 | 0 | (static_cast<int>(enc->codestream_level) < required_level && |
1414 | 0 | enc->codestream_level != -1)) { |
1415 | 0 | return JXL_API_ERROR( |
1416 | 0 | enc, JXL_ENC_ERR_API_USAGE, "%s", |
1417 | 0 | ("Codestream level verification for level " + |
1418 | 0 | std::to_string(enc->codestream_level) + " failed: " + level_message) |
1419 | 0 | .c_str()); |
1420 | 0 | } |
1421 | 0 | return JxlErrorOrStatus::Success(); |
1422 | 0 | } |
1423 | | |
1424 | | JXL_EXPORT JxlEncoderStatus JxlEncoderSetExtraChannelName(JxlEncoder* enc, |
1425 | | size_t index, |
1426 | | const char* name, |
1427 | 0 | size_t size) { |
1428 | 0 | if (index >= enc->metadata.m.num_extra_channels) { |
1429 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1430 | 0 | "Invalid value for the index of extra channel"); |
1431 | 0 | } |
1432 | 0 | enc->metadata.m.extra_channel_info[index].name = |
1433 | 0 | std::string(name, name + size); |
1434 | 0 | return JxlErrorOrStatus::Success(); |
1435 | 0 | } |
1436 | | |
1437 | | JxlEncoderFrameSettings* JxlEncoderFrameSettingsCreate( |
1438 | 52 | JxlEncoder* enc, const JxlEncoderFrameSettings* source) { |
1439 | 52 | auto opts = jxl::MemoryManagerMakeUnique<JxlEncoderFrameSettings>( |
1440 | 52 | &enc->memory_manager); |
1441 | 52 | if (!opts) return nullptr; |
1442 | 52 | opts->enc = enc; |
1443 | 52 | if (source != nullptr) { |
1444 | 0 | opts->values = source->values; |
1445 | 52 | } else { |
1446 | 52 | opts->values.lossless = false; |
1447 | 52 | } |
1448 | 52 | opts->values.cparams.level = enc->codestream_level; |
1449 | 52 | opts->values.cparams.ec_distance.resize(enc->metadata.m.num_extra_channels, |
1450 | 52 | 0); |
1451 | | |
1452 | 52 | JxlEncoderFrameSettings* ret = opts.get(); |
1453 | 52 | enc->encoder_options.emplace_back(std::move(opts)); |
1454 | 52 | return ret; |
1455 | 52 | } |
1456 | | |
1457 | | JxlEncoderStatus JxlEncoderSetFrameLossless( |
1458 | 0 | JxlEncoderFrameSettings* frame_settings, const JXL_BOOL lossless) { |
1459 | 0 | if (lossless && frame_settings->enc->basic_info_set && |
1460 | 0 | frame_settings->enc->metadata.m.xyb_encoded) { |
1461 | 0 | return JXL_API_ERROR( |
1462 | 0 | frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1463 | 0 | "Set uses_original_profile=true for lossless encoding"); |
1464 | 0 | } |
1465 | 0 | frame_settings->values.lossless = FROM_JXL_BOOL(lossless); |
1466 | 0 | return JxlErrorOrStatus::Success(); |
1467 | 0 | } |
1468 | | |
1469 | | JxlEncoderStatus JxlEncoderSetFrameDistance( |
1470 | 0 | JxlEncoderFrameSettings* frame_settings, float distance) { |
1471 | 0 | if (distance < 0.f || distance > 25.f) { |
1472 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1473 | 0 | "Distance has to be in [0.0..25.0] (corresponding to " |
1474 | 0 | "quality in [0.0..100.0])"); |
1475 | 0 | } |
1476 | 0 | if (distance > 0.f && distance < 0.01f) { |
1477 | 0 | distance = 0.01f; |
1478 | 0 | } |
1479 | 0 | frame_settings->values.cparams.butteraugli_distance = distance; |
1480 | 0 | return JxlErrorOrStatus::Success(); |
1481 | 0 | } |
1482 | | |
1483 | | JxlEncoderStatus JxlEncoderSetExtraChannelDistance( |
1484 | 0 | JxlEncoderFrameSettings* frame_settings, size_t index, float distance) { |
1485 | 0 | if (index >= frame_settings->enc->metadata.m.num_extra_channels) { |
1486 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1487 | 0 | "Invalid value for the index of extra channel"); |
1488 | 0 | } |
1489 | 0 | if (distance != -1.f && (distance < 0.f || distance > 25.f)) { |
1490 | 0 | return JXL_API_ERROR( |
1491 | 0 | frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1492 | 0 | "Distance has to be -1 or in [0.0..25.0] (corresponding to " |
1493 | 0 | "quality in [0.0..100.0])"); |
1494 | 0 | } |
1495 | 0 | if (distance > 0.f && distance < 0.01f) { |
1496 | 0 | distance = 0.01f; |
1497 | 0 | } |
1498 | |
|
1499 | 0 | if (index >= frame_settings->values.cparams.ec_distance.size()) { |
1500 | | // This can only happen if JxlEncoderFrameSettingsCreate() was called before |
1501 | | // JxlEncoderSetBasicInfo(). |
1502 | 0 | frame_settings->values.cparams.ec_distance.resize( |
1503 | 0 | frame_settings->enc->metadata.m.num_extra_channels, 0); |
1504 | 0 | } |
1505 | |
|
1506 | 0 | frame_settings->values.cparams.ec_distance[index] = distance; |
1507 | 0 | return JxlErrorOrStatus::Success(); |
1508 | 0 | } |
1509 | | |
1510 | 0 | float JxlEncoderDistanceFromQuality(float quality) { |
1511 | 0 | return quality >= 100.0 ? 0.0 |
1512 | 0 | : quality >= 30 |
1513 | 0 | ? 0.1 + (100 - quality) * 0.09 |
1514 | 0 | : 53.0 / 3000.0 * quality * quality - 23.0 / 20.0 * quality + 25.0; |
1515 | 0 | } |
1516 | | |
1517 | | JxlEncoderStatus JxlEncoderFrameSettingsSetOption( |
1518 | | JxlEncoderFrameSettings* frame_settings, JxlEncoderFrameSettingId option, |
1519 | 0 | int64_t value) { |
1520 | | // Tri-state to bool convertors. |
1521 | 0 | const auto default_to_true = [](int64_t v) { return v != 0; }; |
1522 | 0 | const auto default_to_false = [](int64_t v) { return v == 1; }; |
1523 | | |
1524 | | // check if value is -1, 0 or 1 for Override-type options |
1525 | 0 | switch (option) { |
1526 | 0 | case JXL_ENC_FRAME_SETTING_NOISE: |
1527 | 0 | case JXL_ENC_FRAME_SETTING_DOTS: |
1528 | 0 | case JXL_ENC_FRAME_SETTING_PATCHES: |
1529 | 0 | case JXL_ENC_FRAME_SETTING_GABORISH: |
1530 | 0 | case JXL_ENC_FRAME_SETTING_MODULAR: |
1531 | 0 | case JXL_ENC_FRAME_SETTING_KEEP_INVISIBLE: |
1532 | 0 | case JXL_ENC_FRAME_SETTING_GROUP_ORDER: |
1533 | 0 | case JXL_ENC_FRAME_SETTING_RESPONSIVE: |
1534 | 0 | case JXL_ENC_FRAME_SETTING_PROGRESSIVE_AC: |
1535 | 0 | case JXL_ENC_FRAME_SETTING_QPROGRESSIVE_AC: |
1536 | 0 | case JXL_ENC_FRAME_SETTING_LOSSY_PALETTE: |
1537 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_RECON_CFL: |
1538 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_COMPRESS_BOXES: |
1539 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_KEEP_EXIF: |
1540 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_KEEP_XMP: |
1541 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_KEEP_JUMBF: |
1542 | 0 | if (value < -1 || value > 1) { |
1543 | 0 | return JXL_API_ERROR( |
1544 | 0 | frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1545 | 0 | "Option value has to be -1 (default), 0 (off) or 1 (on)"); |
1546 | 0 | } |
1547 | 0 | break; |
1548 | 0 | default: |
1549 | 0 | break; |
1550 | 0 | } |
1551 | | |
1552 | 0 | switch (option) { |
1553 | 0 | case JXL_ENC_FRAME_SETTING_EFFORT: |
1554 | 0 | if (frame_settings->enc->allow_expert_options) { |
1555 | 0 | if (value < 1 || value > 11) { |
1556 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_NOT_SUPPORTED, |
1557 | 0 | "Encode effort has to be in [1..11]"); |
1558 | 0 | } |
1559 | 0 | } else { |
1560 | 0 | if (value < 1 || value > 10) { |
1561 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_NOT_SUPPORTED, |
1562 | 0 | "Encode effort has to be in [1..10]"); |
1563 | 0 | } |
1564 | 0 | } |
1565 | 0 | frame_settings->values.cparams.speed_tier = |
1566 | 0 | static_cast<jxl::SpeedTier>(10 - value); |
1567 | 0 | break; |
1568 | 0 | case JXL_ENC_FRAME_SETTING_BROTLI_EFFORT: |
1569 | 0 | if (value < -1 || value > 11) { |
1570 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1571 | 0 | "Brotli effort has to be in [-1..11]"); |
1572 | 0 | } |
1573 | | // set cparams for brotli use in JPEG frames |
1574 | 0 | frame_settings->values.cparams.brotli_effort = value; |
1575 | | // set enc option for brotli use in brob boxes |
1576 | 0 | frame_settings->enc->brotli_effort = value; |
1577 | 0 | break; |
1578 | 0 | case JXL_ENC_FRAME_SETTING_DECODING_SPEED: |
1579 | 0 | if (value < 0 || value > 4) { |
1580 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_NOT_SUPPORTED, |
1581 | 0 | "Decoding speed has to be in [0..4]"); |
1582 | 0 | } |
1583 | 0 | frame_settings->values.cparams.decoding_speed_tier = value; |
1584 | 0 | break; |
1585 | 0 | case JXL_ENC_FRAME_SETTING_RESAMPLING: |
1586 | 0 | if (value != -1 && value != 1 && value != 2 && value != 4 && value != 8) { |
1587 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1588 | 0 | "Resampling factor has to be 1, 2, 4 or 8"); |
1589 | 0 | } |
1590 | 0 | frame_settings->values.cparams.resampling = value; |
1591 | 0 | break; |
1592 | 0 | case JXL_ENC_FRAME_SETTING_EXTRA_CHANNEL_RESAMPLING: |
1593 | | // TODO(lode): the jxl codestream allows choosing a different resampling |
1594 | | // factor for each extra channel, independently per frame. Move this |
1595 | | // option to a JxlEncoderFrameSettings-option that can be set per extra |
1596 | | // channel, so needs its own function rather than |
1597 | | // JxlEncoderFrameSettingsSetOption due to the extra channel index |
1598 | | // argument required. |
1599 | 0 | if (value != -1 && value != 1 && value != 2 && value != 4 && value != 8) { |
1600 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1601 | 0 | "Resampling factor has to be 1, 2, 4 or 8"); |
1602 | 0 | } |
1603 | 0 | frame_settings->values.cparams.ec_resampling = value; |
1604 | 0 | break; |
1605 | 0 | case JXL_ENC_FRAME_SETTING_ALREADY_DOWNSAMPLED: |
1606 | 0 | if (value < 0 || value > 1) { |
1607 | 0 | return JxlErrorOrStatus::Error(); |
1608 | 0 | } |
1609 | 0 | frame_settings->values.cparams.already_downsampled = (value == 1); |
1610 | 0 | break; |
1611 | 0 | case JXL_ENC_FRAME_SETTING_NOISE: |
1612 | 0 | frame_settings->values.cparams.noise = static_cast<jxl::Override>(value); |
1613 | 0 | break; |
1614 | 0 | case JXL_ENC_FRAME_SETTING_DOTS: |
1615 | 0 | frame_settings->values.cparams.dots = static_cast<jxl::Override>(value); |
1616 | 0 | break; |
1617 | 0 | case JXL_ENC_FRAME_SETTING_PATCHES: |
1618 | 0 | frame_settings->values.cparams.patches = |
1619 | 0 | static_cast<jxl::Override>(value); |
1620 | 0 | break; |
1621 | 0 | case JXL_ENC_FRAME_SETTING_EPF: |
1622 | 0 | if (value < -1 || value > 3) { |
1623 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1624 | 0 | "EPF value has to be in [-1..3]"); |
1625 | 0 | } |
1626 | 0 | frame_settings->values.cparams.epf = static_cast<int>(value); |
1627 | 0 | break; |
1628 | 0 | case JXL_ENC_FRAME_SETTING_GABORISH: |
1629 | 0 | frame_settings->values.cparams.gaborish = |
1630 | 0 | static_cast<jxl::Override>(value); |
1631 | 0 | break; |
1632 | 0 | case JXL_ENC_FRAME_SETTING_MODULAR: |
1633 | 0 | frame_settings->values.cparams.modular_mode = (value == 1); |
1634 | 0 | break; |
1635 | 0 | case JXL_ENC_FRAME_SETTING_KEEP_INVISIBLE: |
1636 | 0 | frame_settings->values.cparams.keep_invisible = |
1637 | 0 | static_cast<jxl::Override>(value); |
1638 | 0 | break; |
1639 | 0 | case JXL_ENC_FRAME_SETTING_GROUP_ORDER: |
1640 | 0 | frame_settings->values.cparams.centerfirst = (value == 1); |
1641 | 0 | break; |
1642 | 0 | case JXL_ENC_FRAME_SETTING_GROUP_ORDER_CENTER_X: |
1643 | 0 | if (value < -1) { |
1644 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1645 | 0 | "Center x coordinate has to be -1 or positive"); |
1646 | 0 | } |
1647 | 0 | frame_settings->values.cparams.center_x = static_cast<size_t>(value); |
1648 | 0 | break; |
1649 | 0 | case JXL_ENC_FRAME_SETTING_GROUP_ORDER_CENTER_Y: |
1650 | 0 | if (value < -1) { |
1651 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1652 | 0 | "Center y coordinate has to be -1 or positive"); |
1653 | 0 | } |
1654 | 0 | frame_settings->values.cparams.center_y = static_cast<size_t>(value); |
1655 | 0 | break; |
1656 | 0 | case JXL_ENC_FRAME_SETTING_RESPONSIVE: |
1657 | 0 | frame_settings->values.cparams.responsive = value; |
1658 | 0 | break; |
1659 | 0 | case JXL_ENC_FRAME_SETTING_PROGRESSIVE_AC: |
1660 | 0 | frame_settings->values.cparams.progressive_mode = |
1661 | 0 | static_cast<jxl::Override>(value); |
1662 | 0 | break; |
1663 | 0 | case JXL_ENC_FRAME_SETTING_QPROGRESSIVE_AC: |
1664 | 0 | frame_settings->values.cparams.qprogressive_mode = |
1665 | 0 | static_cast<jxl::Override>(value); |
1666 | 0 | break; |
1667 | 0 | case JXL_ENC_FRAME_SETTING_PROGRESSIVE_DC: |
1668 | 0 | if (value < -1 || value > 2) { |
1669 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1670 | 0 | "Progressive DC has to be in [-1..2]"); |
1671 | 0 | } |
1672 | 0 | frame_settings->values.cparams.progressive_dc = value; |
1673 | 0 | break; |
1674 | 0 | case JXL_ENC_FRAME_SETTING_PALETTE_COLORS: |
1675 | 0 | if (value < -1 || value > 70913) { |
1676 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1677 | 0 | "Option value has to be in [-1..70913]"); |
1678 | 0 | } |
1679 | 0 | if (value == -1) { |
1680 | 0 | frame_settings->values.cparams.palette_colors = 1 << 10; |
1681 | 0 | } else { |
1682 | 0 | frame_settings->values.cparams.palette_colors = value; |
1683 | 0 | } |
1684 | 0 | break; |
1685 | 0 | case JXL_ENC_FRAME_SETTING_LOSSY_PALETTE: |
1686 | | // TODO(lode): the defaults of some palette settings depend on others. |
1687 | | // See the logic in cjxl. Similar for other settings. This should be |
1688 | | // handled in the encoder during JxlEncoderProcessOutput (or, |
1689 | | // alternatively, in the cjxl binary like now) |
1690 | 0 | frame_settings->values.cparams.lossy_palette = default_to_false(value); |
1691 | 0 | break; |
1692 | 0 | case JXL_ENC_FRAME_SETTING_COLOR_TRANSFORM: |
1693 | 0 | if (value < -1 || value > 2) { |
1694 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1695 | 0 | "Option value has to be in [-1..2]"); |
1696 | 0 | } |
1697 | 0 | if (value == -1) { |
1698 | 0 | frame_settings->values.cparams.color_transform = |
1699 | 0 | jxl::ColorTransform::kXYB; |
1700 | 0 | } else { |
1701 | 0 | frame_settings->values.cparams.color_transform = |
1702 | 0 | static_cast<jxl::ColorTransform>(value); |
1703 | 0 | } |
1704 | 0 | break; |
1705 | 0 | case JXL_ENC_FRAME_SETTING_MODULAR_COLOR_SPACE: |
1706 | 0 | if (value < -1 || value > 41) { |
1707 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1708 | 0 | "Option value has to be in [-1..41]"); |
1709 | 0 | } |
1710 | 0 | frame_settings->values.cparams.colorspace = value; |
1711 | 0 | break; |
1712 | 0 | case JXL_ENC_FRAME_SETTING_MODULAR_GROUP_SIZE: |
1713 | 0 | if (value < -1 || value > 3) { |
1714 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1715 | 0 | "Option value has to be in [-1..3]"); |
1716 | 0 | } |
1717 | 0 | frame_settings->values.cparams.modular_group_size_shift = value; |
1718 | 0 | break; |
1719 | 0 | case JXL_ENC_FRAME_SETTING_MODULAR_PREDICTOR: |
1720 | 0 | if (value < -1 || value > 15) { |
1721 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1722 | 0 | "Option value has to be in [-1..15]"); |
1723 | 0 | } |
1724 | 0 | frame_settings->values.cparams.options.predictor = |
1725 | 0 | static_cast<jxl::Predictor>(value); |
1726 | 0 | break; |
1727 | 0 | case JXL_ENC_FRAME_SETTING_MODULAR_NB_PREV_CHANNELS: |
1728 | | // The max allowed value can in theory be higher. However, it depends on |
1729 | | // the effort setting. 11 is the highest safe value that doesn't cause |
1730 | | // tree_samples to be >= 64 in the encoder. The specification may allow |
1731 | | // more than this. With more fine tuning higher values could be allowed. |
1732 | | // For N-channel images, the largest useful value is N-1. |
1733 | 0 | if (value < -1 || value > 11) { |
1734 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1735 | 0 | "Option value has to be in [-1..11]"); |
1736 | 0 | } |
1737 | 0 | if (value == -1) { |
1738 | 0 | frame_settings->values.cparams.options.max_properties = 0; |
1739 | 0 | } else { |
1740 | 0 | frame_settings->values.cparams.options.max_properties = value; |
1741 | 0 | } |
1742 | 0 | break; |
1743 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_RECON_CFL: |
1744 | 0 | frame_settings->values.cparams.force_cfl_jpeg_recompression = |
1745 | 0 | default_to_true(value); |
1746 | 0 | break; |
1747 | 0 | case JXL_ENC_FRAME_INDEX_BOX: |
1748 | 0 | if (value < 0 || value > 1) { |
1749 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_NOT_SUPPORTED, |
1750 | 0 | "Option value has to be 0 or 1"); |
1751 | 0 | } |
1752 | 0 | frame_settings->values.frame_index_box = true; |
1753 | 0 | break; |
1754 | 0 | case JXL_ENC_FRAME_SETTING_PHOTON_NOISE: |
1755 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_NOT_SUPPORTED, |
1756 | 0 | "Float option, try setting it with " |
1757 | 0 | "JxlEncoderFrameSettingsSetFloatOption"); |
1758 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_COMPRESS_BOXES: |
1759 | 0 | frame_settings->values.cparams.jpeg_compress_boxes = |
1760 | 0 | default_to_true(value); |
1761 | 0 | break; |
1762 | 0 | case JXL_ENC_FRAME_SETTING_BUFFERING: |
1763 | 0 | if (value < -1 || value > 3) { |
1764 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_NOT_SUPPORTED, |
1765 | 0 | "Buffering has to be in [-1..3]"); |
1766 | 0 | } |
1767 | 0 | frame_settings->values.cparams.buffering = value; |
1768 | 0 | break; |
1769 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_KEEP_EXIF: |
1770 | 0 | frame_settings->values.cparams.jpeg_keep_exif = default_to_true(value); |
1771 | 0 | break; |
1772 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_KEEP_XMP: |
1773 | 0 | frame_settings->values.cparams.jpeg_keep_xmp = default_to_true(value); |
1774 | 0 | break; |
1775 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_KEEP_JUMBF: |
1776 | 0 | frame_settings->values.cparams.jpeg_keep_jumbf = default_to_true(value); |
1777 | 0 | break; |
1778 | 0 | case JXL_ENC_FRAME_SETTING_USE_FULL_IMAGE_HEURISTICS: |
1779 | 0 | if (value < 0 || value > 1) { |
1780 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_NOT_SUPPORTED, |
1781 | 0 | "Option value has to be 0 or 1"); |
1782 | 0 | } |
1783 | 0 | frame_settings->values.cparams.use_full_image_heuristics = |
1784 | 0 | default_to_false(value); |
1785 | 0 | break; |
1786 | 0 | case JXL_ENC_FRAME_SETTING_DISABLE_PERCEPTUAL_HEURISTICS: |
1787 | 0 | if (value < 0 || value > 1) { |
1788 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_NOT_SUPPORTED, |
1789 | 0 | "Option value has to be 0 or 1"); |
1790 | 0 | } |
1791 | 0 | frame_settings->values.cparams.disable_percepeptual_optimizations = |
1792 | 0 | default_to_false(value); |
1793 | 0 | if (frame_settings->values.cparams.disable_percepeptual_optimizations && |
1794 | 0 | frame_settings->enc->basic_info_set && |
1795 | 0 | frame_settings->enc->metadata.m.xyb_encoded) { |
1796 | 0 | return JXL_API_ERROR( |
1797 | 0 | frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1798 | 0 | "Set uses_original_profile=true for non-perceptual encoding"); |
1799 | 0 | } |
1800 | 0 | break; |
1801 | | |
1802 | 0 | default: |
1803 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_NOT_SUPPORTED, |
1804 | 0 | "Unknown option"); |
1805 | 0 | } |
1806 | 0 | return JxlErrorOrStatus::Success(); |
1807 | 0 | } |
1808 | | |
1809 | | JxlEncoderStatus JxlEncoderFrameSettingsSetFloatOption( |
1810 | | JxlEncoderFrameSettings* frame_settings, JxlEncoderFrameSettingId option, |
1811 | 0 | float value) { |
1812 | 0 | switch (option) { |
1813 | 0 | case JXL_ENC_FRAME_SETTING_PHOTON_NOISE: |
1814 | 0 | if (value < 0) return JXL_ENC_ERROR; |
1815 | | // TODO(lode): add encoder setting to set the 8 floating point values of |
1816 | | // the noise synthesis parameters per frame for more fine grained control. |
1817 | 0 | frame_settings->values.cparams.photon_noise_iso = value; |
1818 | 0 | return JxlErrorOrStatus::Success(); |
1819 | 0 | case JXL_ENC_FRAME_SETTING_MODULAR_MA_TREE_LEARNING_PERCENT: |
1820 | 0 | if (value < -1.f || value > 100.f) { |
1821 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1822 | 0 | "Option value has to be smaller than 100"); |
1823 | 0 | } |
1824 | | // This value is called "iterations" or "nb_repeats" in cjxl, but is in |
1825 | | // fact a fraction in range 0.0-1.0, with the default value 0.5. |
1826 | | // Convert from floating point percentage to floating point fraction here. |
1827 | 0 | if (value < -.5f) { |
1828 | | // TODO(lode): for this and many other settings (also in |
1829 | | // JxlEncoderFrameSettingsSetOption), avoid duplicating the default |
1830 | | // values here and in enc_params.h and options.h, have one location |
1831 | | // where the defaults are specified. |
1832 | 0 | frame_settings->values.cparams.options.nb_repeats = 0.5f; |
1833 | 0 | } else { |
1834 | 0 | frame_settings->values.cparams.options.nb_repeats = value * 0.01f; |
1835 | 0 | } |
1836 | 0 | return JxlErrorOrStatus::Success(); |
1837 | 0 | case JXL_ENC_FRAME_SETTING_CHANNEL_COLORS_GLOBAL_PERCENT: |
1838 | 0 | if (value < -1.f || value > 100.f) { |
1839 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1840 | 0 | "Option value has to be in [-1..100]"); |
1841 | 0 | } |
1842 | 0 | if (value < -.5f) { |
1843 | 0 | frame_settings->values.cparams.channel_colors_pre_transform_percent = |
1844 | 0 | 95.0f; |
1845 | 0 | } else { |
1846 | 0 | frame_settings->values.cparams.channel_colors_pre_transform_percent = |
1847 | 0 | value; |
1848 | 0 | } |
1849 | 0 | return JxlErrorOrStatus::Success(); |
1850 | 0 | case JXL_ENC_FRAME_SETTING_CHANNEL_COLORS_GROUP_PERCENT: |
1851 | 0 | if (value < -1.f || value > 100.f) { |
1852 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
1853 | 0 | "Option value has to be in [-1..100]"); |
1854 | 0 | } |
1855 | 0 | if (value < -.5f) { |
1856 | 0 | frame_settings->values.cparams.channel_colors_percent = 80.0f; |
1857 | 0 | } else { |
1858 | 0 | frame_settings->values.cparams.channel_colors_percent = value; |
1859 | 0 | } |
1860 | 0 | return JxlErrorOrStatus::Success(); |
1861 | 0 | case JXL_ENC_FRAME_SETTING_EFFORT: |
1862 | 0 | case JXL_ENC_FRAME_SETTING_DECODING_SPEED: |
1863 | 0 | case JXL_ENC_FRAME_SETTING_RESAMPLING: |
1864 | 0 | case JXL_ENC_FRAME_SETTING_EXTRA_CHANNEL_RESAMPLING: |
1865 | 0 | case JXL_ENC_FRAME_SETTING_ALREADY_DOWNSAMPLED: |
1866 | 0 | case JXL_ENC_FRAME_SETTING_NOISE: |
1867 | 0 | case JXL_ENC_FRAME_SETTING_DOTS: |
1868 | 0 | case JXL_ENC_FRAME_SETTING_PATCHES: |
1869 | 0 | case JXL_ENC_FRAME_SETTING_EPF: |
1870 | 0 | case JXL_ENC_FRAME_SETTING_GABORISH: |
1871 | 0 | case JXL_ENC_FRAME_SETTING_MODULAR: |
1872 | 0 | case JXL_ENC_FRAME_SETTING_KEEP_INVISIBLE: |
1873 | 0 | case JXL_ENC_FRAME_SETTING_GROUP_ORDER: |
1874 | 0 | case JXL_ENC_FRAME_SETTING_GROUP_ORDER_CENTER_X: |
1875 | 0 | case JXL_ENC_FRAME_SETTING_GROUP_ORDER_CENTER_Y: |
1876 | 0 | case JXL_ENC_FRAME_SETTING_RESPONSIVE: |
1877 | 0 | case JXL_ENC_FRAME_SETTING_PROGRESSIVE_AC: |
1878 | 0 | case JXL_ENC_FRAME_SETTING_QPROGRESSIVE_AC: |
1879 | 0 | case JXL_ENC_FRAME_SETTING_PROGRESSIVE_DC: |
1880 | 0 | case JXL_ENC_FRAME_SETTING_PALETTE_COLORS: |
1881 | 0 | case JXL_ENC_FRAME_SETTING_LOSSY_PALETTE: |
1882 | 0 | case JXL_ENC_FRAME_SETTING_COLOR_TRANSFORM: |
1883 | 0 | case JXL_ENC_FRAME_SETTING_MODULAR_COLOR_SPACE: |
1884 | 0 | case JXL_ENC_FRAME_SETTING_MODULAR_GROUP_SIZE: |
1885 | 0 | case JXL_ENC_FRAME_SETTING_MODULAR_PREDICTOR: |
1886 | 0 | case JXL_ENC_FRAME_SETTING_MODULAR_NB_PREV_CHANNELS: |
1887 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_RECON_CFL: |
1888 | 0 | case JXL_ENC_FRAME_INDEX_BOX: |
1889 | 0 | case JXL_ENC_FRAME_SETTING_BROTLI_EFFORT: |
1890 | 0 | case JXL_ENC_FRAME_SETTING_FILL_ENUM: |
1891 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_COMPRESS_BOXES: |
1892 | 0 | case JXL_ENC_FRAME_SETTING_BUFFERING: |
1893 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_KEEP_EXIF: |
1894 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_KEEP_XMP: |
1895 | 0 | case JXL_ENC_FRAME_SETTING_JPEG_KEEP_JUMBF: |
1896 | 0 | case JXL_ENC_FRAME_SETTING_USE_FULL_IMAGE_HEURISTICS: |
1897 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_NOT_SUPPORTED, |
1898 | 0 | "Int option, try setting it with " |
1899 | 0 | "JxlEncoderFrameSettingsSetOption"); |
1900 | 0 | default: |
1901 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_NOT_SUPPORTED, |
1902 | 0 | "Unknown option"); |
1903 | 0 | } |
1904 | 0 | } |
1905 | 26 | JxlEncoder* JxlEncoderCreate(const JxlMemoryManager* memory_manager) { |
1906 | 26 | JxlMemoryManager local_memory_manager; |
1907 | 26 | if (!jxl::MemoryManagerInit(&local_memory_manager, memory_manager)) { |
1908 | 0 | return nullptr; |
1909 | 0 | } |
1910 | | |
1911 | 26 | void* alloc = |
1912 | 26 | jxl::MemoryManagerAlloc(&local_memory_manager, sizeof(JxlEncoder)); |
1913 | 26 | if (!alloc) return nullptr; |
1914 | 26 | JxlEncoder* enc = new (alloc) JxlEncoder(); |
1915 | 26 | enc->memory_manager = local_memory_manager; |
1916 | | // TODO(sboukortt): add an API function to set this. |
1917 | 26 | enc->cms = *JxlGetDefaultCms(); |
1918 | 26 | enc->cms_set = true; |
1919 | | |
1920 | | // Initialize all the field values. |
1921 | 26 | JxlEncoderReset(enc); |
1922 | | |
1923 | 26 | return enc; |
1924 | 26 | } |
1925 | | |
1926 | 78 | void JxlEncoderReset(JxlEncoder* enc) { |
1927 | 78 | enc->thread_pool.reset(); |
1928 | 78 | enc->input_queue.clear(); |
1929 | 78 | enc->num_queued_frames = 0; |
1930 | 78 | enc->num_queued_boxes = 0; |
1931 | 78 | enc->encoder_options.clear(); |
1932 | 78 | enc->codestream_bytes_written_end_of_frame = 0; |
1933 | 78 | enc->wrote_bytes = false; |
1934 | 78 | enc->jxlp_counter = 0; |
1935 | 78 | enc->metadata = jxl::CodecMetadata(); |
1936 | 78 | enc->last_used_cparams = jxl::CompressParams(); |
1937 | 78 | enc->frames_closed = false; |
1938 | 78 | enc->boxes_closed = false; |
1939 | 78 | enc->basic_info_set = false; |
1940 | 78 | enc->color_encoding_set = false; |
1941 | 78 | enc->intensity_target_set = false; |
1942 | 78 | enc->use_container = false; |
1943 | 78 | enc->use_boxes = false; |
1944 | 78 | enc->store_jpeg_metadata = false; |
1945 | 78 | enc->codestream_level = -1; |
1946 | 78 | enc->output_processor = |
1947 | 78 | JxlEncoderOutputProcessorWrapper(&enc->memory_manager); |
1948 | 78 | JxlEncoderInitBasicInfo(&enc->basic_info); |
1949 | | |
1950 | | // jxl::JxlEncoderFrameIndexBox frame_index_box; |
1951 | | // JxlEncoderError error = JxlEncoderError::JXL_ENC_ERR_OK; |
1952 | | // bool allow_expert_options = false; |
1953 | | // int brotli_effort = -1; |
1954 | 78 | } |
1955 | | |
1956 | 26 | void JxlEncoderDestroy(JxlEncoder* enc) { |
1957 | 26 | if (enc) { |
1958 | 26 | JxlMemoryManager local_memory_manager = enc->memory_manager; |
1959 | | // Call destructor directly since custom free function is used. |
1960 | 26 | enc->~JxlEncoder(); |
1961 | 26 | jxl::MemoryManagerFree(&local_memory_manager, enc); |
1962 | 26 | } |
1963 | 26 | } |
1964 | | |
1965 | 0 | JxlEncoderError JxlEncoderGetError(JxlEncoder* enc) { return enc->error; } |
1966 | | |
1967 | | JxlEncoderStatus JxlEncoderUseContainer(JxlEncoder* enc, |
1968 | 0 | JXL_BOOL use_container) { |
1969 | 0 | if (enc->wrote_bytes) { |
1970 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1971 | 0 | "this setting can only be set at the beginning"); |
1972 | 0 | } |
1973 | 0 | enc->use_container = FROM_JXL_BOOL(use_container); |
1974 | 0 | return JxlErrorOrStatus::Success(); |
1975 | 0 | } |
1976 | | |
1977 | | JxlEncoderStatus JxlEncoderStoreJPEGMetadata(JxlEncoder* enc, |
1978 | 0 | JXL_BOOL store_jpeg_metadata) { |
1979 | 0 | if (enc->wrote_bytes) { |
1980 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1981 | 0 | "this setting can only be set at the beginning"); |
1982 | 0 | } |
1983 | 0 | enc->store_jpeg_metadata = FROM_JXL_BOOL(store_jpeg_metadata); |
1984 | 0 | return JxlErrorOrStatus::Success(); |
1985 | 0 | } |
1986 | | |
1987 | 52 | JxlEncoderStatus JxlEncoderSetCodestreamLevel(JxlEncoder* enc, int level) { |
1988 | 52 | if (level != -1 && level != 5 && level != 10) { |
1989 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_NOT_SUPPORTED, "invalid level"); |
1990 | 0 | } |
1991 | 52 | if (enc->wrote_bytes) { |
1992 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
1993 | 0 | "this setting can only be set at the beginning"); |
1994 | 0 | } |
1995 | 52 | enc->codestream_level = level; |
1996 | 52 | return JxlErrorOrStatus::Success(); |
1997 | 52 | } |
1998 | | |
1999 | 0 | int JxlEncoderGetRequiredCodestreamLevel(const JxlEncoder* enc) { |
2000 | 0 | return VerifyLevelSettings(enc, nullptr); |
2001 | 0 | } |
2002 | | |
2003 | 0 | void JxlEncoderSetCms(JxlEncoder* enc, JxlCmsInterface cms) { |
2004 | 0 | jxl::msan::MemoryIsInitialized(&cms, sizeof(cms)); |
2005 | 0 | enc->cms = cms; |
2006 | 0 | enc->cms_set = true; |
2007 | 0 | } |
2008 | | |
2009 | | JxlEncoderStatus JxlEncoderSetParallelRunner(JxlEncoder* enc, |
2010 | | JxlParallelRunner parallel_runner, |
2011 | 52 | void* parallel_runner_opaque) { |
2012 | 52 | if (enc->thread_pool) { |
2013 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
2014 | 0 | "parallel runner already set"); |
2015 | 0 | } |
2016 | 52 | enc->thread_pool = jxl::MemoryManagerMakeUnique<jxl::ThreadPool>( |
2017 | 52 | &enc->memory_manager, parallel_runner, parallel_runner_opaque); |
2018 | 52 | if (!enc->thread_pool) { |
2019 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_GENERIC, |
2020 | 0 | "error setting parallel runner"); |
2021 | 0 | } |
2022 | 52 | return JxlErrorOrStatus::Success(); |
2023 | 52 | } |
2024 | | |
2025 | | namespace { |
2026 | | JxlEncoderStatus GetCurrentDimensions( |
2027 | | const JxlEncoderFrameSettings* frame_settings, size_t& xsize, |
2028 | 52 | size_t& ysize) { |
2029 | 52 | xsize = frame_settings->enc->metadata.xsize(); |
2030 | 52 | ysize = frame_settings->enc->metadata.ysize(); |
2031 | 52 | if (frame_settings->values.header.layer_info.have_crop) { |
2032 | 0 | xsize = frame_settings->values.header.layer_info.xsize; |
2033 | 0 | ysize = frame_settings->values.header.layer_info.ysize; |
2034 | 0 | } |
2035 | 52 | if (frame_settings->values.cparams.already_downsampled) { |
2036 | 0 | size_t factor = frame_settings->values.cparams.resampling; |
2037 | 0 | xsize = jxl::DivCeil(xsize, factor); |
2038 | 0 | ysize = jxl::DivCeil(ysize, factor); |
2039 | 0 | } |
2040 | 52 | if (xsize == 0 || ysize == 0) { |
2041 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2042 | 0 | "zero-sized frame is not allowed"); |
2043 | 0 | } |
2044 | 52 | return JxlErrorOrStatus::Success(); |
2045 | 52 | } |
2046 | | } // namespace |
2047 | | |
2048 | | JxlEncoderStatus JxlEncoderAddJPEGFrame( |
2049 | | const JxlEncoderFrameSettings* frame_settings, const uint8_t* buffer, |
2050 | 0 | size_t size) { |
2051 | 0 | if (frame_settings->enc->frames_closed) { |
2052 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2053 | 0 | "Frame input is already closed"); |
2054 | 0 | } |
2055 | | |
2056 | 0 | jxl::CodecInOut io{&frame_settings->enc->memory_manager}; |
2057 | 0 | if (!jxl::jpeg::DecodeImageJPG(jxl::Bytes(buffer, size), &io)) { |
2058 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_BAD_INPUT, |
2059 | 0 | "Error during decode of input JPEG"); |
2060 | 0 | } |
2061 | | |
2062 | 0 | if (!frame_settings->enc->color_encoding_set) { |
2063 | 0 | SetColorEncodingFromJpegData( |
2064 | 0 | *io.Main().jpeg_data, &frame_settings->enc->metadata.m.color_encoding); |
2065 | 0 | frame_settings->enc->color_encoding_set = true; |
2066 | 0 | } |
2067 | |
|
2068 | 0 | if (!frame_settings->enc->basic_info_set) { |
2069 | 0 | JxlBasicInfo basic_info; |
2070 | 0 | JxlEncoderInitBasicInfo(&basic_info); |
2071 | 0 | basic_info.xsize = io.Main().jpeg_data->width; |
2072 | 0 | basic_info.ysize = io.Main().jpeg_data->height; |
2073 | 0 | basic_info.uses_original_profile = JXL_TRUE; |
2074 | 0 | if (JxlEncoderSetBasicInfo(frame_settings->enc, &basic_info) != |
2075 | 0 | JXL_ENC_SUCCESS) { |
2076 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_GENERIC, |
2077 | 0 | "Error setting basic info"); |
2078 | 0 | } |
2079 | 0 | } |
2080 | | |
2081 | 0 | size_t xsize; |
2082 | 0 | size_t ysize; |
2083 | 0 | if (GetCurrentDimensions(frame_settings, xsize, ysize) != JXL_ENC_SUCCESS) { |
2084 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_GENERIC, |
2085 | 0 | "bad dimensions"); |
2086 | 0 | } |
2087 | 0 | if (xsize != static_cast<size_t>(io.Main().jpeg_data->width) || |
2088 | 0 | ysize != static_cast<size_t>(io.Main().jpeg_data->height)) { |
2089 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_GENERIC, |
2090 | 0 | "JPEG dimensions don't match frame dimensions"); |
2091 | 0 | } |
2092 | | |
2093 | 0 | if (frame_settings->enc->metadata.m.xyb_encoded) { |
2094 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2095 | 0 | "Can't XYB encode a lossless JPEG"); |
2096 | 0 | } |
2097 | 0 | if (!io.blobs.exif.empty()) { |
2098 | 0 | JxlOrientation orientation = static_cast<JxlOrientation>( |
2099 | 0 | frame_settings->enc->metadata.m.orientation); |
2100 | 0 | jxl::InterpretExif(io.blobs.exif, &orientation); |
2101 | 0 | frame_settings->enc->metadata.m.orientation = orientation; |
2102 | 0 | } |
2103 | 0 | if (!io.blobs.exif.empty() && frame_settings->values.cparams.jpeg_keep_exif) { |
2104 | 0 | size_t exif_size = io.blobs.exif.size(); |
2105 | | // Exif data in JPEG is limited to 64k |
2106 | 0 | if (exif_size > 0xFFFF) { |
2107 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_GENERIC, |
2108 | 0 | "Exif larger than possible in JPEG?"); |
2109 | 0 | } |
2110 | 0 | exif_size += 4; // prefix 4 zero bytes for tiff offset |
2111 | 0 | std::vector<uint8_t> exif(exif_size); |
2112 | 0 | memcpy(exif.data() + 4, io.blobs.exif.data(), io.blobs.exif.size()); |
2113 | 0 | JxlEncoderUseBoxes(frame_settings->enc); |
2114 | 0 | JxlEncoderAddBox( |
2115 | 0 | frame_settings->enc, "Exif", exif.data(), exif_size, |
2116 | 0 | TO_JXL_BOOL(frame_settings->values.cparams.jpeg_compress_boxes)); |
2117 | 0 | } |
2118 | 0 | if (!io.blobs.xmp.empty() && frame_settings->values.cparams.jpeg_keep_xmp) { |
2119 | 0 | JxlEncoderUseBoxes(frame_settings->enc); |
2120 | 0 | JxlEncoderAddBox( |
2121 | 0 | frame_settings->enc, "xml ", io.blobs.xmp.data(), io.blobs.xmp.size(), |
2122 | 0 | TO_JXL_BOOL(frame_settings->values.cparams.jpeg_compress_boxes)); |
2123 | 0 | } |
2124 | 0 | if (!io.blobs.jumbf.empty() && |
2125 | 0 | frame_settings->values.cparams.jpeg_keep_jumbf) { |
2126 | 0 | JxlEncoderUseBoxes(frame_settings->enc); |
2127 | 0 | JxlEncoderAddBox( |
2128 | 0 | frame_settings->enc, "jumb", io.blobs.jumbf.data(), |
2129 | 0 | io.blobs.jumbf.size(), |
2130 | 0 | TO_JXL_BOOL(frame_settings->values.cparams.jpeg_compress_boxes)); |
2131 | 0 | } |
2132 | 0 | if (frame_settings->enc->store_jpeg_metadata) { |
2133 | 0 | if (!frame_settings->values.cparams.jpeg_keep_exif || |
2134 | 0 | !frame_settings->values.cparams.jpeg_keep_xmp) { |
2135 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2136 | 0 | "Need to preserve EXIF and XMP to allow JPEG " |
2137 | 0 | "bitstream reconstruction"); |
2138 | 0 | } |
2139 | 0 | jxl::jpeg::JPEGData data_in = *io.Main().jpeg_data; |
2140 | 0 | std::vector<uint8_t> jpeg_data; |
2141 | 0 | if (!jxl::jpeg::EncodeJPEGData(&frame_settings->enc->memory_manager, |
2142 | 0 | data_in, &jpeg_data, |
2143 | 0 | frame_settings->values.cparams)) { |
2144 | 0 | return JXL_API_ERROR( |
2145 | 0 | frame_settings->enc, JXL_ENC_ERR_JBRD, |
2146 | 0 | "JPEG bitstream reconstruction data cannot be encoded"); |
2147 | 0 | } |
2148 | 0 | frame_settings->enc->jpeg_metadata = jpeg_data; |
2149 | 0 | } |
2150 | | |
2151 | 0 | jxl::JxlEncoderChunkedFrameAdapter frame_data( |
2152 | 0 | xsize, ysize, frame_settings->enc->metadata.m.num_extra_channels); |
2153 | 0 | frame_data.SetJPEGData(*io.Main().jpeg_data); |
2154 | |
|
2155 | 0 | auto queued_frame = jxl::MemoryManagerMakeUnique<jxl::JxlEncoderQueuedFrame>( |
2156 | 0 | &frame_settings->enc->memory_manager, |
2157 | | // JxlEncoderQueuedFrame is a struct with no constructors, so we use the |
2158 | | // default move constructor there. |
2159 | 0 | jxl::JxlEncoderQueuedFrame{ |
2160 | 0 | frame_settings->values, std::move(frame_data), {}}); |
2161 | 0 | if (!queued_frame) { |
2162 | | // TODO(jon): when can this happen? is this an API usage error? |
2163 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_GENERIC, |
2164 | 0 | "No frame queued?"); |
2165 | 0 | } |
2166 | 0 | queued_frame->ec_initialized.resize( |
2167 | 0 | frame_settings->enc->metadata.m.num_extra_channels); |
2168 | |
|
2169 | 0 | QueueFrame(frame_settings, queued_frame); |
2170 | 0 | return JxlErrorOrStatus::Success(); |
2171 | 0 | } |
2172 | | |
2173 | | static bool CanDoFastLossless(const JxlEncoderFrameSettings* frame_settings, |
2174 | | const JxlPixelFormat* pixel_format, |
2175 | 52 | bool has_alpha) { |
2176 | 52 | if (!frame_settings->values.lossless) { |
2177 | 52 | return false; |
2178 | 52 | } |
2179 | | // TODO(veluca): many of the following options could be made to work, but are |
2180 | | // just not implemented in FJXL's frame header handling yet. |
2181 | 0 | if (frame_settings->values.frame_index_box) { |
2182 | 0 | return false; |
2183 | 0 | } |
2184 | 0 | if (frame_settings->values.header.layer_info.have_crop) { |
2185 | 0 | return false; |
2186 | 0 | } |
2187 | 0 | if (frame_settings->enc->metadata.m.have_animation) { |
2188 | 0 | return false; |
2189 | 0 | } |
2190 | 0 | if (frame_settings->values.cparams.speed_tier != jxl::SpeedTier::kLightning) { |
2191 | 0 | return false; |
2192 | 0 | } |
2193 | 0 | if (frame_settings->values.image_bit_depth.type == |
2194 | 0 | JxlBitDepthType::JXL_BIT_DEPTH_CUSTOM && |
2195 | 0 | frame_settings->values.image_bit_depth.bits_per_sample != |
2196 | 0 | frame_settings->enc->metadata.m.bit_depth.bits_per_sample) { |
2197 | 0 | return false; |
2198 | 0 | } |
2199 | | // TODO(veluca): implement support for LSB-padded input in fast_lossless. |
2200 | 0 | if (frame_settings->values.image_bit_depth.type == |
2201 | 0 | JxlBitDepthType::JXL_BIT_DEPTH_FROM_PIXEL_FORMAT && |
2202 | 0 | frame_settings->values.image_bit_depth.bits_per_sample % 8 != 0) { |
2203 | 0 | return false; |
2204 | 0 | } |
2205 | 0 | if (!frame_settings->values.frame_name.empty()) { |
2206 | 0 | return false; |
2207 | 0 | } |
2208 | | // No extra channels other than alpha. |
2209 | 0 | if (!(has_alpha && frame_settings->enc->metadata.m.num_extra_channels == 1) && |
2210 | 0 | frame_settings->enc->metadata.m.num_extra_channels != 0) { |
2211 | 0 | return false; |
2212 | 0 | } |
2213 | 0 | if (frame_settings->enc->metadata.m.bit_depth.bits_per_sample > 16) { |
2214 | 0 | return false; |
2215 | 0 | } |
2216 | 0 | if (pixel_format->data_type != JxlDataType::JXL_TYPE_FLOAT16 && |
2217 | 0 | pixel_format->data_type != JxlDataType::JXL_TYPE_UINT16 && |
2218 | 0 | pixel_format->data_type != JxlDataType::JXL_TYPE_UINT8) { |
2219 | 0 | return false; |
2220 | 0 | } |
2221 | 0 | if ((frame_settings->enc->metadata.m.bit_depth.bits_per_sample > 8) != |
2222 | 0 | (pixel_format->data_type == JxlDataType::JXL_TYPE_UINT16 || |
2223 | 0 | pixel_format->data_type == JxlDataType::JXL_TYPE_FLOAT16)) { |
2224 | 0 | return false; |
2225 | 0 | } |
2226 | 0 | if (!((pixel_format->num_channels == 1 || pixel_format->num_channels == 3) && |
2227 | 0 | !has_alpha) && |
2228 | 0 | !((pixel_format->num_channels == 2 || pixel_format->num_channels == 4) && |
2229 | 0 | has_alpha)) { |
2230 | 0 | return false; |
2231 | 0 | } |
2232 | | |
2233 | 0 | return true; |
2234 | 0 | } |
2235 | | |
2236 | | namespace { |
2237 | | JxlEncoderStatus JxlEncoderAddImageFrameInternal( |
2238 | | const JxlEncoderFrameSettings* frame_settings, size_t xsize, size_t ysize, |
2239 | 52 | bool streaming, jxl::JxlEncoderChunkedFrameAdapter frame_data) { |
2240 | 52 | JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT8, JXL_NATIVE_ENDIAN, 0}; |
2241 | 52 | { |
2242 | 52 | JxlChunkedFrameInputSource input = frame_data.GetInputSource(); |
2243 | 52 | input.get_color_channels_pixel_format(input.opaque, &pixel_format); |
2244 | 52 | } |
2245 | 52 | uint32_t num_channels = pixel_format.num_channels; |
2246 | 52 | size_t has_interleaved_alpha = |
2247 | 52 | static_cast<size_t>(num_channels == 2 || num_channels == 4); |
2248 | | |
2249 | 52 | if (!frame_settings->enc->basic_info_set) { |
2250 | | // Basic Info must be set. Otherwise, this is an API misuse. |
2251 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2252 | 0 | "Basic info or color encoding not set yet"); |
2253 | 0 | } |
2254 | 52 | if (frame_settings->enc->frames_closed) { |
2255 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2256 | 0 | "Frame input already closed"); |
2257 | 0 | } |
2258 | 52 | if (num_channels < 3) { |
2259 | 0 | if (frame_settings->enc->basic_info.num_color_channels != 1) { |
2260 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2261 | 0 | "Grayscale pixel format input for an RGB image"); |
2262 | 0 | } |
2263 | 52 | } else { |
2264 | 52 | if (frame_settings->enc->basic_info.num_color_channels != 3) { |
2265 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2266 | 0 | "RGB pixel format input for a grayscale image"); |
2267 | 0 | } |
2268 | 52 | } |
2269 | 52 | if (frame_settings->values.lossless && |
2270 | 52 | frame_settings->enc->metadata.m.xyb_encoded) { |
2271 | 0 | return JXL_API_ERROR( |
2272 | 0 | frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2273 | 0 | "Set uses_original_profile=true for lossless encoding"); |
2274 | 0 | } |
2275 | 52 | if (frame_settings->values.cparams.disable_percepeptual_optimizations && |
2276 | 52 | frame_settings->enc->metadata.m.xyb_encoded) { |
2277 | 0 | return JXL_API_ERROR( |
2278 | 0 | frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2279 | 0 | "Set uses_original_profile=true for non-perceptual encoding"); |
2280 | 0 | } |
2281 | 52 | if (JXL_ENC_SUCCESS != |
2282 | 52 | VerifyInputBitDepth(frame_settings->values.image_bit_depth, |
2283 | 52 | pixel_format)) { |
2284 | 0 | return JXL_API_ERROR_NOSET("Invalid input bit depth"); |
2285 | 0 | } |
2286 | 52 | if (has_interleaved_alpha > |
2287 | 52 | frame_settings->enc->metadata.m.num_extra_channels) { |
2288 | 0 | return JXL_API_ERROR( |
2289 | 0 | frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2290 | 0 | "number of extra channels mismatch (need 1 extra channel for alpha)"); |
2291 | 0 | } |
2292 | | |
2293 | 52 | bool has_alpha = frame_settings->enc->metadata.m.HasAlpha(); |
2294 | | |
2295 | | // All required conditions to do fast-lossless. |
2296 | 52 | if (CanDoFastLossless(frame_settings, &pixel_format, has_alpha)) { |
2297 | 0 | const bool big_endian = |
2298 | 0 | pixel_format.endianness == JXL_BIG_ENDIAN || |
2299 | 0 | (pixel_format.endianness == JXL_NATIVE_ENDIAN && !IsLittleEndian()); |
2300 | |
|
2301 | 0 | auto runner = +[](void* void_pool, void* opaque, void fun(void*, size_t), |
2302 | 0 | size_t count) { |
2303 | 0 | auto* pool = reinterpret_cast<jxl::ThreadPool*>(void_pool); |
2304 | 0 | JXL_CHECK(jxl::RunOnPool( |
2305 | 0 | pool, 0, count, jxl::ThreadPool::NoInit, |
2306 | 0 | [&](size_t i, size_t) { fun(opaque, i); }, "Encode fast lossless")); |
2307 | 0 | }; |
2308 | 0 | JXL_BOOL oneshot = TO_JXL_BOOL(!frame_data.StreamingInput()); |
2309 | 0 | auto* frame_state = JxlFastLosslessPrepareFrame( |
2310 | 0 | frame_data.GetInputSource(), xsize, ysize, num_channels, |
2311 | 0 | frame_settings->enc->metadata.m.bit_depth.bits_per_sample, |
2312 | 0 | TO_JXL_BOOL(big_endian), |
2313 | 0 | /*effort=*/2, oneshot); |
2314 | 0 | if (!streaming) { |
2315 | 0 | JxlFastLosslessProcessFrame(frame_state, /*is_last=*/false, |
2316 | 0 | frame_settings->enc->thread_pool.get(), |
2317 | 0 | runner, nullptr); |
2318 | 0 | } |
2319 | 0 | QueueFastLosslessFrame(frame_settings, frame_state); |
2320 | 0 | return JxlErrorOrStatus::Success(); |
2321 | 0 | } |
2322 | | |
2323 | 52 | if (!streaming) { |
2324 | | // The input callbacks are only guaranteed to be available during frame |
2325 | | // encoding when both the input and the output is streaming. In all other |
2326 | | // cases we need to create an internal copy of the frame data. |
2327 | 52 | if (!frame_data.CopyBuffers()) { |
2328 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2329 | 0 | "Invalid chunked frame input source"); |
2330 | 0 | } |
2331 | 52 | } |
2332 | | |
2333 | 52 | if (!frame_settings->enc->color_encoding_set) { |
2334 | 0 | jxl::ColorEncoding c_current; |
2335 | 0 | if ((pixel_format.data_type == JXL_TYPE_FLOAT) || |
2336 | 0 | (pixel_format.data_type == JXL_TYPE_FLOAT16)) { |
2337 | 0 | c_current = jxl::ColorEncoding::LinearSRGB(num_channels < 3); |
2338 | 0 | } else { |
2339 | 0 | c_current = jxl::ColorEncoding::SRGB(num_channels < 3); |
2340 | 0 | } |
2341 | 0 | frame_settings->enc->metadata.m.color_encoding = c_current; |
2342 | 0 | } |
2343 | | |
2344 | 52 | auto queued_frame = jxl::MemoryManagerMakeUnique<jxl::JxlEncoderQueuedFrame>( |
2345 | 52 | &frame_settings->enc->memory_manager, |
2346 | | // JxlEncoderQueuedFrame is a struct with no constructors, so we use the |
2347 | | // default move constructor there. |
2348 | 52 | jxl::JxlEncoderQueuedFrame{ |
2349 | 52 | frame_settings->values, std::move(frame_data), {}}); |
2350 | | |
2351 | 52 | if (!queued_frame) { |
2352 | | // TODO(jon): when can this happen? is this an API usage error? |
2353 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_GENERIC, |
2354 | 0 | "No frame queued?"); |
2355 | 0 | } |
2356 | | |
2357 | 52 | for (auto& ec_info : frame_settings->enc->metadata.m.extra_channel_info) { |
2358 | 0 | if (has_interleaved_alpha && ec_info.type == jxl::ExtraChannel::kAlpha) { |
2359 | 0 | queued_frame->ec_initialized.push_back(1); |
2360 | 0 | has_interleaved_alpha = 0; // only first Alpha is initialized |
2361 | 0 | } else { |
2362 | 0 | queued_frame->ec_initialized.push_back(0); |
2363 | 0 | } |
2364 | 0 | } |
2365 | 52 | queued_frame->option_values.cparams.level = |
2366 | 52 | frame_settings->enc->codestream_level; |
2367 | | |
2368 | 52 | QueueFrame(frame_settings, queued_frame); |
2369 | 52 | return JxlErrorOrStatus::Success(); |
2370 | 52 | } |
2371 | | } // namespace |
2372 | | |
2373 | | JxlEncoderStatus JxlEncoderAddImageFrame( |
2374 | | const JxlEncoderFrameSettings* frame_settings, |
2375 | 52 | const JxlPixelFormat* pixel_format, const void* buffer, size_t size) { |
2376 | 52 | size_t xsize; |
2377 | 52 | size_t ysize; |
2378 | 52 | if (GetCurrentDimensions(frame_settings, xsize, ysize) != JXL_ENC_SUCCESS) { |
2379 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_GENERIC, |
2380 | 0 | "bad dimensions"); |
2381 | 0 | } |
2382 | 52 | jxl::JxlEncoderChunkedFrameAdapter frame_data( |
2383 | 52 | xsize, ysize, frame_settings->enc->metadata.m.num_extra_channels); |
2384 | 52 | if (!frame_data.SetFromBuffer(0, reinterpret_cast<const uint8_t*>(buffer), |
2385 | 52 | size, *pixel_format)) { |
2386 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2387 | 0 | "provided image buffer too small"); |
2388 | 0 | } |
2389 | 52 | return JxlEncoderAddImageFrameInternal(frame_settings, xsize, ysize, |
2390 | 52 | /*streaming=*/false, |
2391 | 52 | std::move(frame_data)); |
2392 | 52 | } |
2393 | | |
2394 | | JxlEncoderStatus JxlEncoderAddChunkedFrame( |
2395 | | const JxlEncoderFrameSettings* frame_settings, JXL_BOOL is_last_frame, |
2396 | 0 | JxlChunkedFrameInputSource chunked_frame_input) { |
2397 | 0 | size_t xsize; |
2398 | 0 | size_t ysize; |
2399 | 0 | if (GetCurrentDimensions(frame_settings, xsize, ysize) != JXL_ENC_SUCCESS) { |
2400 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_GENERIC, |
2401 | 0 | "bad dimensions"); |
2402 | 0 | } |
2403 | 0 | bool streaming = frame_settings->enc->output_processor.OutputProcessorSet(); |
2404 | 0 | jxl::JxlEncoderChunkedFrameAdapter frame_data( |
2405 | 0 | xsize, ysize, frame_settings->enc->metadata.m.num_extra_channels); |
2406 | 0 | frame_data.SetInputSource(chunked_frame_input); |
2407 | 0 | auto status = JxlEncoderAddImageFrameInternal(frame_settings, xsize, ysize, |
2408 | 0 | streaming, frame_data); |
2409 | 0 | if (status != JXL_ENC_SUCCESS) return status; |
2410 | | |
2411 | 0 | auto& queued_frame = frame_settings->enc->input_queue.back(); |
2412 | 0 | if (queued_frame.frame) { |
2413 | 0 | for (auto& val : queued_frame.frame->ec_initialized) val = 1; |
2414 | 0 | } |
2415 | |
|
2416 | 0 | if (is_last_frame) { |
2417 | 0 | JxlEncoderCloseInput(frame_settings->enc); |
2418 | 0 | } |
2419 | 0 | if (streaming) { |
2420 | 0 | return JxlEncoderFlushInput(frame_settings->enc); |
2421 | 0 | } |
2422 | 0 | return JxlErrorOrStatus::Success(); |
2423 | 0 | } |
2424 | | |
2425 | 0 | JxlEncoderStatus JxlEncoderUseBoxes(JxlEncoder* enc) { |
2426 | 0 | if (enc->wrote_bytes) { |
2427 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
2428 | 0 | "this setting can only be set at the beginning"); |
2429 | 0 | } |
2430 | 0 | enc->use_boxes = true; |
2431 | 0 | return JxlErrorOrStatus::Success(); |
2432 | 0 | } |
2433 | | |
2434 | | JxlEncoderStatus JxlEncoderAddBox(JxlEncoder* enc, const JxlBoxType type, |
2435 | | const uint8_t* contents, size_t size, |
2436 | 0 | JXL_BOOL compress_box) { |
2437 | 0 | if (!enc->use_boxes) { |
2438 | 0 | return JXL_API_ERROR( |
2439 | 0 | enc, JXL_ENC_ERR_API_USAGE, |
2440 | 0 | "must set JxlEncoderUseBoxes at the beginning to add boxes"); |
2441 | 0 | } |
2442 | 0 | if (enc->boxes_closed) { |
2443 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
2444 | 0 | "Box input already closed"); |
2445 | 0 | } |
2446 | 0 | if (compress_box) { |
2447 | 0 | if (memcmp("jxl", type, 3) == 0) { |
2448 | 0 | return JXL_API_ERROR( |
2449 | 0 | enc, JXL_ENC_ERR_API_USAGE, |
2450 | 0 | "brob box may not contain a type starting with \"jxl\""); |
2451 | 0 | } |
2452 | 0 | if (memcmp("jbrd", type, 4) == 0) { |
2453 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
2454 | 0 | "jbrd box may not be brob compressed"); |
2455 | 0 | } |
2456 | 0 | if (memcmp("brob", type, 4) == 0) { |
2457 | | // The compress_box will compress an existing non-brob box into a brob |
2458 | | // box. If already giving a valid brotli-compressed brob box, set |
2459 | | // compress_box to false since it is already compressed. |
2460 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
2461 | 0 | "a brob box cannot contain another brob box"); |
2462 | 0 | } |
2463 | 0 | } |
2464 | | |
2465 | 0 | auto box = jxl::MemoryManagerMakeUnique<jxl::JxlEncoderQueuedBox>( |
2466 | 0 | &enc->memory_manager); |
2467 | |
|
2468 | 0 | box->type = jxl::MakeBoxType(type); |
2469 | 0 | box->contents.assign(contents, contents + size); |
2470 | 0 | box->compress_box = FROM_JXL_BOOL(compress_box); |
2471 | 0 | QueueBox(enc, box); |
2472 | 0 | return JxlErrorOrStatus::Success(); |
2473 | 0 | } |
2474 | | |
2475 | | JXL_EXPORT JxlEncoderStatus JxlEncoderSetExtraChannelBuffer( |
2476 | | const JxlEncoderFrameSettings* frame_settings, |
2477 | | const JxlPixelFormat* pixel_format, const void* buffer, size_t size, |
2478 | 0 | uint32_t index) { |
2479 | 0 | if (index >= frame_settings->enc->metadata.m.num_extra_channels) { |
2480 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2481 | 0 | "Invalid value for the index of extra channel"); |
2482 | 0 | } |
2483 | 0 | if (!frame_settings->enc->basic_info_set || |
2484 | 0 | !frame_settings->enc->color_encoding_set) { |
2485 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2486 | 0 | "Basic info has to be set first"); |
2487 | 0 | } |
2488 | 0 | if (frame_settings->enc->input_queue.empty()) { |
2489 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2490 | 0 | "First add image frame, then extra channels"); |
2491 | 0 | } |
2492 | 0 | if (frame_settings->enc->frames_closed) { |
2493 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2494 | 0 | "Frame input already closed"); |
2495 | 0 | } |
2496 | 0 | JxlPixelFormat ec_format = *pixel_format; |
2497 | 0 | ec_format.num_channels = 1; |
2498 | 0 | if (JXL_ENC_SUCCESS != |
2499 | 0 | VerifyInputBitDepth(frame_settings->values.image_bit_depth, ec_format)) { |
2500 | 0 | return JXL_API_ERROR_NOSET("Invalid input bit depth"); |
2501 | 0 | } |
2502 | 0 | const uint8_t* uint8_buffer = reinterpret_cast<const uint8_t*>(buffer); |
2503 | 0 | auto* queued_frame = frame_settings->enc->input_queue.back().frame.get(); |
2504 | 0 | if (!queued_frame->frame_data.SetFromBuffer(1 + index, uint8_buffer, size, |
2505 | 0 | ec_format)) { |
2506 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2507 | 0 | "provided image buffer too small"); |
2508 | 0 | } |
2509 | 0 | queued_frame->ec_initialized[index] = 1; |
2510 | |
|
2511 | 0 | return JxlErrorOrStatus::Success(); |
2512 | 0 | } |
2513 | | |
2514 | 0 | void JxlEncoderCloseFrames(JxlEncoder* enc) { enc->frames_closed = true; } |
2515 | | |
2516 | 0 | void JxlEncoderCloseBoxes(JxlEncoder* enc) { enc->boxes_closed = true; } |
2517 | | |
2518 | 0 | void JxlEncoderCloseInput(JxlEncoder* enc) { |
2519 | 0 | JxlEncoderCloseFrames(enc); |
2520 | 0 | JxlEncoderCloseBoxes(enc); |
2521 | 0 | } |
2522 | | |
2523 | 0 | JXL_EXPORT JxlEncoderStatus JxlEncoderFlushInput(JxlEncoder* enc) { |
2524 | 0 | if (!enc->output_processor.OutputProcessorSet()) { |
2525 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
2526 | 0 | "Cannot flush input without setting output " |
2527 | 0 | "processor with JxlEncoderSetOutputProcessor"); |
2528 | 0 | } |
2529 | 0 | while (!enc->input_queue.empty()) { |
2530 | 0 | if (!enc->ProcessOneEnqueuedInput()) { |
2531 | 0 | return JxlErrorOrStatus::Error(); |
2532 | 0 | } |
2533 | 0 | } |
2534 | 0 | return JxlErrorOrStatus::Success(); |
2535 | 0 | } |
2536 | | |
2537 | | JXL_EXPORT JxlEncoderStatus JxlEncoderSetOutputProcessor( |
2538 | 0 | JxlEncoder* enc, JxlEncoderOutputProcessor output_processor) { |
2539 | 0 | if (enc->output_processor.HasAvailOut()) { |
2540 | 0 | return JXL_API_ERROR( |
2541 | 0 | enc, JXL_ENC_ERR_API_USAGE, |
2542 | 0 | "Cannot set an output processor when some output was already produced"); |
2543 | 0 | } |
2544 | 0 | if (!output_processor.set_finalized_position || |
2545 | 0 | !output_processor.get_buffer || !output_processor.release_buffer) { |
2546 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
2547 | 0 | "Missing output processor functions"); |
2548 | 0 | } |
2549 | 0 | enc->output_processor = |
2550 | 0 | JxlEncoderOutputProcessorWrapper(&enc->memory_manager, output_processor); |
2551 | 0 | return JxlErrorOrStatus::Success(); |
2552 | 0 | } |
2553 | | |
2554 | | JxlEncoderStatus JxlEncoderProcessOutput(JxlEncoder* enc, uint8_t** next_out, |
2555 | 104 | size_t* avail_out) { |
2556 | 104 | if (!enc->output_processor.SetAvailOut(next_out, avail_out)) { |
2557 | 0 | return JXL_API_ERROR(enc, JXL_ENC_ERR_API_USAGE, |
2558 | 0 | "Cannot call JxlEncoderProcessOutput after calling " |
2559 | 0 | "JxlEncoderSetOutputProcessor"); |
2560 | 0 | } |
2561 | 156 | while (*avail_out != 0 && !enc->input_queue.empty()) { |
2562 | 52 | if (!enc->ProcessOneEnqueuedInput()) { |
2563 | 0 | return JxlErrorOrStatus::Error(); |
2564 | 0 | } |
2565 | 52 | } |
2566 | | |
2567 | 104 | if (!enc->input_queue.empty() || enc->output_processor.HasOutputToWrite()) { |
2568 | 52 | return JxlErrorOrStatus::MoreOutput(); |
2569 | 52 | } |
2570 | 52 | return JxlErrorOrStatus::Success(); |
2571 | 104 | } |
2572 | | |
2573 | | JxlEncoderStatus JxlEncoderSetFrameHeader( |
2574 | | JxlEncoderFrameSettings* frame_settings, |
2575 | 52 | const JxlFrameHeader* frame_header) { |
2576 | 52 | if (frame_header->layer_info.blend_info.source > 3) { |
2577 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2578 | 0 | "invalid blending source index"); |
2579 | 0 | } |
2580 | | // If there are no extra channels, it's ok for the value to be 0. |
2581 | 52 | if (frame_header->layer_info.blend_info.alpha != 0 && |
2582 | 52 | frame_header->layer_info.blend_info.alpha >= |
2583 | 0 | frame_settings->enc->metadata.m.extra_channel_info.size()) { |
2584 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2585 | 0 | "alpha blend channel index out of bounds"); |
2586 | 0 | } |
2587 | | |
2588 | 52 | frame_settings->values.header = *frame_header; |
2589 | | // Setting the frame header resets the frame name, it must be set again with |
2590 | | // JxlEncoderSetFrameName if desired. |
2591 | 52 | frame_settings->values.frame_name = ""; |
2592 | | |
2593 | 52 | return JxlErrorOrStatus::Success(); |
2594 | 52 | } |
2595 | | |
2596 | | JxlEncoderStatus JxlEncoderSetExtraChannelBlendInfo( |
2597 | | JxlEncoderFrameSettings* frame_settings, size_t index, |
2598 | 0 | const JxlBlendInfo* blend_info) { |
2599 | 0 | if (index >= frame_settings->enc->metadata.m.num_extra_channels) { |
2600 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2601 | 0 | "Invalid value for the index of extra channel"); |
2602 | 0 | } |
2603 | | |
2604 | 0 | if (frame_settings->values.extra_channel_blend_info.size() != |
2605 | 0 | frame_settings->enc->metadata.m.num_extra_channels) { |
2606 | 0 | JxlBlendInfo default_blend_info; |
2607 | 0 | JxlEncoderInitBlendInfo(&default_blend_info); |
2608 | 0 | frame_settings->values.extra_channel_blend_info.resize( |
2609 | 0 | frame_settings->enc->metadata.m.num_extra_channels, default_blend_info); |
2610 | 0 | } |
2611 | 0 | frame_settings->values.extra_channel_blend_info[index] = *blend_info; |
2612 | 0 | return JxlErrorOrStatus::Success(); |
2613 | 0 | } |
2614 | | |
2615 | | JxlEncoderStatus JxlEncoderSetFrameName(JxlEncoderFrameSettings* frame_settings, |
2616 | 0 | const char* frame_name) { |
2617 | 0 | std::string str = frame_name ? frame_name : ""; |
2618 | 0 | if (str.size() > 1071) { |
2619 | 0 | return JXL_API_ERROR(frame_settings->enc, JXL_ENC_ERR_API_USAGE, |
2620 | 0 | "frame name can be max 1071 bytes long"); |
2621 | 0 | } |
2622 | 0 | frame_settings->values.frame_name = str; |
2623 | 0 | frame_settings->values.header.name_length = str.size(); |
2624 | 0 | return JxlErrorOrStatus::Success(); |
2625 | 0 | } |
2626 | | |
2627 | | JxlEncoderStatus JxlEncoderSetFrameBitDepth( |
2628 | 0 | JxlEncoderFrameSettings* frame_settings, const JxlBitDepth* bit_depth) { |
2629 | 0 | if (bit_depth->type != JXL_BIT_DEPTH_FROM_PIXEL_FORMAT && |
2630 | 0 | bit_depth->type != JXL_BIT_DEPTH_FROM_CODESTREAM) { |
2631 | 0 | return JXL_API_ERROR_NOSET( |
2632 | 0 | "Only JXL_BIT_DEPTH_FROM_PIXEL_FORMAT and " |
2633 | 0 | "JXL_BIT_DEPTH_FROM_CODESTREAM is implemented " |
2634 | 0 | "for input buffers."); |
2635 | 0 | } |
2636 | 0 | frame_settings->values.image_bit_depth = *bit_depth; |
2637 | 0 | return JxlErrorOrStatus::Success(); |
2638 | 0 | } |
2639 | | |
2640 | | void JxlColorEncodingSetToSRGB(JxlColorEncoding* color_encoding, |
2641 | 0 | JXL_BOOL is_gray) { |
2642 | 0 | *color_encoding = |
2643 | 0 | jxl::ColorEncoding::SRGB(FROM_JXL_BOOL(is_gray)).ToExternal(); |
2644 | 0 | } |
2645 | | |
2646 | | void JxlColorEncodingSetToLinearSRGB(JxlColorEncoding* color_encoding, |
2647 | 0 | JXL_BOOL is_gray) { |
2648 | 0 | *color_encoding = |
2649 | 0 | jxl::ColorEncoding::LinearSRGB(FROM_JXL_BOOL(is_gray)).ToExternal(); |
2650 | 0 | } |
2651 | | |
2652 | 0 | void JxlEncoderAllowExpertOptions(JxlEncoder* enc) { |
2653 | 0 | enc->allow_expert_options = true; |
2654 | 0 | } |
2655 | | |
2656 | | JXL_EXPORT void JxlEncoderSetDebugImageCallback( |
2657 | | JxlEncoderFrameSettings* frame_settings, JxlDebugImageCallback callback, |
2658 | 0 | void* opaque) { |
2659 | 0 | frame_settings->values.cparams.debug_image = callback; |
2660 | 0 | frame_settings->values.cparams.debug_image_opaque = opaque; |
2661 | 0 | } |
2662 | | |
2663 | 0 | JXL_EXPORT JxlEncoderStats* JxlEncoderStatsCreate() { |
2664 | 0 | return new JxlEncoderStats(); |
2665 | 0 | } |
2666 | | |
2667 | 0 | JXL_EXPORT void JxlEncoderStatsDestroy(JxlEncoderStats* stats) { delete stats; } |
2668 | | |
2669 | | JXL_EXPORT void JxlEncoderCollectStats(JxlEncoderFrameSettings* frame_settings, |
2670 | 0 | JxlEncoderStats* stats) { |
2671 | 0 | if (!stats) return; |
2672 | 0 | frame_settings->values.aux_out = &stats->aux_out; |
2673 | 0 | } |
2674 | | |
2675 | | JXL_EXPORT size_t JxlEncoderStatsGet(const JxlEncoderStats* stats, |
2676 | 0 | JxlEncoderStatsKey key) { |
2677 | 0 | if (!stats) return 0; |
2678 | 0 | const jxl::AuxOut& aux_out = stats->aux_out; |
2679 | 0 | switch (key) { |
2680 | 0 | case JXL_ENC_STAT_HEADER_BITS: |
2681 | 0 | return aux_out.layers[jxl::kLayerHeader].total_bits; |
2682 | 0 | case JXL_ENC_STAT_TOC_BITS: |
2683 | 0 | return aux_out.layers[jxl::kLayerTOC].total_bits; |
2684 | 0 | case JXL_ENC_STAT_DICTIONARY_BITS: |
2685 | 0 | return aux_out.layers[jxl::kLayerDictionary].total_bits; |
2686 | 0 | case JXL_ENC_STAT_SPLINES_BITS: |
2687 | 0 | return aux_out.layers[jxl::kLayerSplines].total_bits; |
2688 | 0 | case JXL_ENC_STAT_NOISE_BITS: |
2689 | 0 | return aux_out.layers[jxl::kLayerNoise].total_bits; |
2690 | 0 | case JXL_ENC_STAT_QUANT_BITS: |
2691 | 0 | return aux_out.layers[jxl::kLayerQuant].total_bits; |
2692 | 0 | case JXL_ENC_STAT_MODULAR_TREE_BITS: |
2693 | 0 | return aux_out.layers[jxl::kLayerModularTree].total_bits; |
2694 | 0 | case JXL_ENC_STAT_MODULAR_GLOBAL_BITS: |
2695 | 0 | return aux_out.layers[jxl::kLayerModularGlobal].total_bits; |
2696 | 0 | case JXL_ENC_STAT_DC_BITS: |
2697 | 0 | return aux_out.layers[jxl::kLayerDC].total_bits; |
2698 | 0 | case JXL_ENC_STAT_MODULAR_DC_GROUP_BITS: |
2699 | 0 | return aux_out.layers[jxl::kLayerModularDcGroup].total_bits; |
2700 | 0 | case JXL_ENC_STAT_CONTROL_FIELDS_BITS: |
2701 | 0 | return aux_out.layers[jxl::kLayerControlFields].total_bits; |
2702 | 0 | case JXL_ENC_STAT_COEF_ORDER_BITS: |
2703 | 0 | return aux_out.layers[jxl::kLayerOrder].total_bits; |
2704 | 0 | case JXL_ENC_STAT_AC_HISTOGRAM_BITS: |
2705 | 0 | return aux_out.layers[jxl::kLayerAC].total_bits; |
2706 | 0 | case JXL_ENC_STAT_AC_BITS: |
2707 | 0 | return aux_out.layers[jxl::kLayerACTokens].total_bits; |
2708 | 0 | case JXL_ENC_STAT_MODULAR_AC_GROUP_BITS: |
2709 | 0 | return aux_out.layers[jxl::kLayerModularAcGroup].total_bits; |
2710 | 0 | case JXL_ENC_STAT_NUM_SMALL_BLOCKS: |
2711 | 0 | return aux_out.num_small_blocks; |
2712 | 0 | case JXL_ENC_STAT_NUM_DCT4X8_BLOCKS: |
2713 | 0 | return aux_out.num_dct4x8_blocks; |
2714 | 0 | case JXL_ENC_STAT_NUM_AFV_BLOCKS: |
2715 | 0 | return aux_out.num_afv_blocks; |
2716 | 0 | case JXL_ENC_STAT_NUM_DCT8_BLOCKS: |
2717 | 0 | return aux_out.num_dct8_blocks; |
2718 | 0 | case JXL_ENC_STAT_NUM_DCT8X32_BLOCKS: |
2719 | 0 | return aux_out.num_dct16_blocks; |
2720 | 0 | case JXL_ENC_STAT_NUM_DCT16_BLOCKS: |
2721 | 0 | return aux_out.num_dct16x32_blocks; |
2722 | 0 | case JXL_ENC_STAT_NUM_DCT16X32_BLOCKS: |
2723 | 0 | return aux_out.num_dct32_blocks; |
2724 | 0 | case JXL_ENC_STAT_NUM_DCT32_BLOCKS: |
2725 | 0 | return aux_out.num_dct32x64_blocks; |
2726 | 0 | case JXL_ENC_STAT_NUM_DCT32X64_BLOCKS: |
2727 | 0 | return aux_out.num_dct32x64_blocks; |
2728 | 0 | case JXL_ENC_STAT_NUM_DCT64_BLOCKS: |
2729 | 0 | return aux_out.num_dct64_blocks; |
2730 | 0 | case JXL_ENC_STAT_NUM_BUTTERAUGLI_ITERS: |
2731 | 0 | return aux_out.num_butteraugli_iters; |
2732 | 0 | default: |
2733 | 0 | return 0; |
2734 | 0 | } |
2735 | 0 | } |
2736 | | |
2737 | | JXL_EXPORT void JxlEncoderStatsMerge(JxlEncoderStats* stats, |
2738 | 0 | const JxlEncoderStats* other) { |
2739 | 0 | if (!stats || !other) return; |
2740 | 0 | stats->aux_out.Assimilate(other->aux_out); |
2741 | 0 | } |