/src/libvpx/vp8/encoder/boolhuff.h
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1 | | /* |
2 | | * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
3 | | * |
4 | | * Use of this source code is governed by a BSD-style license |
5 | | * that can be found in the LICENSE file in the root of the source |
6 | | * tree. An additional intellectual property rights grant can be found |
7 | | * in the file PATENTS. All contributing project authors may |
8 | | * be found in the AUTHORS file in the root of the source tree. |
9 | | */ |
10 | | |
11 | | /**************************************************************************** |
12 | | * |
13 | | * Module Title : boolhuff.h |
14 | | * |
15 | | * Description : Bool Coder header file. |
16 | | * |
17 | | ****************************************************************************/ |
18 | | #ifndef VPX_VP8_ENCODER_BOOLHUFF_H_ |
19 | | #define VPX_VP8_ENCODER_BOOLHUFF_H_ |
20 | | |
21 | | #include "vpx_ports/mem.h" |
22 | | #include "vpx/internal/vpx_codec_internal.h" |
23 | | |
24 | | #ifdef __cplusplus |
25 | | extern "C" { |
26 | | #endif |
27 | | |
28 | | typedef struct { |
29 | | unsigned int lowvalue; |
30 | | unsigned int range; |
31 | | int count; |
32 | | unsigned int pos; |
33 | | unsigned char *buffer; |
34 | | unsigned char *buffer_end; |
35 | | struct vpx_internal_error_info *error; |
36 | | } BOOL_CODER; |
37 | | |
38 | | void vp8_start_encode(BOOL_CODER *bc, unsigned char *source, |
39 | | unsigned char *source_end); |
40 | | |
41 | | void vp8_encode_value(BOOL_CODER *bc, int data, int bits); |
42 | | void vp8_stop_encode(BOOL_CODER *bc); |
43 | | extern const unsigned int vp8_prob_cost[256]; |
44 | | |
45 | | DECLARE_ALIGNED(16, extern const unsigned char, vp8_norm[256]); |
46 | | |
47 | | static int validate_buffer(const unsigned char *start, size_t len, |
48 | | const unsigned char *end, |
49 | 286M | struct vpx_internal_error_info *error) { |
50 | 286M | if (start + len > start && start + len < end) { |
51 | 286M | return 1; |
52 | 286M | } else { |
53 | 3 | vpx_internal_error(error, VPX_CODEC_CORRUPT_FRAME, |
54 | 3 | "Truncated packet or corrupt partition "); |
55 | 3 | } |
56 | | |
57 | 3 | return 0; |
58 | 286M | } Unexecuted instantiation: vp8_cx_iface.c:validate_buffer Unexecuted instantiation: ethreading.c:validate_buffer Unexecuted instantiation: onyx_if.c:validate_buffer Unexecuted instantiation: pickinter.c:validate_buffer Unexecuted instantiation: picklpf.c:validate_buffer Unexecuted instantiation: vp8_quantize.c:validate_buffer Unexecuted instantiation: ratectrl.c:validate_buffer Unexecuted instantiation: rdopt.c:validate_buffer Unexecuted instantiation: segmentation.c:validate_buffer Unexecuted instantiation: vp8_skin_detection.c:validate_buffer Unexecuted instantiation: tokenize.c:validate_buffer Unexecuted instantiation: treewriter.c:validate_buffer Unexecuted instantiation: temporal_filter.c:validate_buffer bitstream.c:validate_buffer Line | Count | Source | 49 | 281M | struct vpx_internal_error_info *error) { | 50 | 281M | if (start + len > start && start + len < end) { | 51 | 281M | return 1; | 52 | 281M | } else { | 53 | 3 | vpx_internal_error(error, VPX_CODEC_CORRUPT_FRAME, | 54 | 3 | "Truncated packet or corrupt partition "); | 55 | 3 | } | 56 | | | 57 | 3 | return 0; | 58 | 281M | } |
boolhuff.c:validate_buffer Line | Count | Source | 49 | 3.54M | struct vpx_internal_error_info *error) { | 50 | 3.54M | if (start + len > start && start + len < end) { | 51 | 3.54M | return 1; | 52 | 3.54M | } else { | 53 | 0 | vpx_internal_error(error, VPX_CODEC_CORRUPT_FRAME, | 54 | 0 | "Truncated packet or corrupt partition "); | 55 | 0 | } | 56 | | | 57 | 0 | return 0; | 58 | 3.54M | } |
Unexecuted instantiation: encodeframe.c:validate_buffer Unexecuted instantiation: encodeintra.c:validate_buffer Unexecuted instantiation: encodemb.c:validate_buffer encodemv.c:validate_buffer Line | Count | Source | 49 | 904k | struct vpx_internal_error_info *error) { | 50 | 904k | if (start + len > start && start + len < end) { | 51 | 904k | return 1; | 52 | 904k | } else { | 53 | 0 | vpx_internal_error(error, VPX_CODEC_CORRUPT_FRAME, | 54 | 0 | "Truncated packet or corrupt partition "); | 55 | 0 | } | 56 | | | 57 | 0 | return 0; | 58 | 904k | } |
Unexecuted instantiation: firstpass.c:validate_buffer Unexecuted instantiation: mcomp.c:validate_buffer Unexecuted instantiation: modecosts.c:validate_buffer |
59 | 222M | static void vp8_encode_bool(BOOL_CODER *bc, int bit, int probability) { |
60 | 222M | unsigned int split; |
61 | 222M | int count = bc->count; |
62 | 222M | unsigned int range = bc->range; |
63 | 222M | unsigned int lowvalue = bc->lowvalue; |
64 | 222M | int shift; |
65 | | |
66 | 222M | split = 1 + (((range - 1) * probability) >> 8); |
67 | | |
68 | 222M | range = split; |
69 | | |
70 | 222M | if (bit) { |
71 | 43.8M | lowvalue += split; |
72 | 43.8M | range = bc->range - split; |
73 | 43.8M | } |
74 | | |
75 | 222M | shift = vp8_norm[range]; |
76 | | |
77 | 222M | range <<= shift; |
78 | 222M | count += shift; |
79 | | |
80 | 222M | if (count >= 0) { |
81 | 12.0M | int offset = shift - count; |
82 | | |
83 | 12.0M | if ((lowvalue << (offset - 1)) & 0x80000000) { |
84 | 735 | int x = bc->pos - 1; |
85 | | |
86 | 3.36k | while (x >= 0 && bc->buffer[x] == 0xff) { |
87 | 2.62k | bc->buffer[x] = (unsigned char)0; |
88 | 2.62k | x--; |
89 | 2.62k | } |
90 | | |
91 | 735 | bc->buffer[x] += 1; |
92 | 735 | } |
93 | | |
94 | 12.0M | validate_buffer(bc->buffer + bc->pos, 1, bc->buffer_end, bc->error); |
95 | 12.0M | bc->buffer[bc->pos++] = (lowvalue >> (24 - offset) & 0xff); |
96 | | |
97 | 12.0M | shift = count; |
98 | 12.0M | lowvalue = (int)(((uint64_t)lowvalue << offset) & 0xffffff); |
99 | 12.0M | count -= 8; |
100 | 12.0M | } |
101 | | |
102 | 222M | lowvalue <<= shift; |
103 | 222M | bc->count = count; |
104 | 222M | bc->lowvalue = lowvalue; |
105 | 222M | bc->range = range; |
106 | 222M | } Unexecuted instantiation: vp8_cx_iface.c:vp8_encode_bool Unexecuted instantiation: ethreading.c:vp8_encode_bool Unexecuted instantiation: onyx_if.c:vp8_encode_bool Unexecuted instantiation: pickinter.c:vp8_encode_bool Unexecuted instantiation: picklpf.c:vp8_encode_bool Unexecuted instantiation: vp8_quantize.c:vp8_encode_bool Unexecuted instantiation: ratectrl.c:vp8_encode_bool Unexecuted instantiation: rdopt.c:vp8_encode_bool Unexecuted instantiation: segmentation.c:vp8_encode_bool Unexecuted instantiation: vp8_skin_detection.c:vp8_encode_bool Unexecuted instantiation: tokenize.c:vp8_encode_bool Unexecuted instantiation: treewriter.c:vp8_encode_bool Unexecuted instantiation: temporal_filter.c:vp8_encode_bool bitstream.c:vp8_encode_bool Line | Count | Source | 59 | 177M | static void vp8_encode_bool(BOOL_CODER *bc, int bit, int probability) { | 60 | 177M | unsigned int split; | 61 | 177M | int count = bc->count; | 62 | 177M | unsigned int range = bc->range; | 63 | 177M | unsigned int lowvalue = bc->lowvalue; | 64 | 177M | int shift; | 65 | | | 66 | 177M | split = 1 + (((range - 1) * probability) >> 8); | 67 | | | 68 | 177M | range = split; | 69 | | | 70 | 177M | if (bit) { | 71 | 30.8M | lowvalue += split; | 72 | 30.8M | range = bc->range - split; | 73 | 30.8M | } | 74 | | | 75 | 177M | shift = vp8_norm[range]; | 76 | | | 77 | 177M | range <<= shift; | 78 | 177M | count += shift; | 79 | | | 80 | 177M | if (count >= 0) { | 81 | 7.59M | int offset = shift - count; | 82 | | | 83 | 7.59M | if ((lowvalue << (offset - 1)) & 0x80000000) { | 84 | 659 | int x = bc->pos - 1; | 85 | | | 86 | 3.06k | while (x >= 0 && bc->buffer[x] == 0xff) { | 87 | 2.40k | bc->buffer[x] = (unsigned char)0; | 88 | 2.40k | x--; | 89 | 2.40k | } | 90 | | | 91 | 659 | bc->buffer[x] += 1; | 92 | 659 | } | 93 | | | 94 | 7.59M | validate_buffer(bc->buffer + bc->pos, 1, bc->buffer_end, bc->error); | 95 | 7.59M | bc->buffer[bc->pos++] = (lowvalue >> (24 - offset) & 0xff); | 96 | | | 97 | 7.59M | shift = count; | 98 | 7.59M | lowvalue = (int)(((uint64_t)lowvalue << offset) & 0xffffff); | 99 | 7.59M | count -= 8; | 100 | 7.59M | } | 101 | | | 102 | 177M | lowvalue <<= shift; | 103 | 177M | bc->count = count; | 104 | 177M | bc->lowvalue = lowvalue; | 105 | 177M | bc->range = range; | 106 | 177M | } |
boolhuff.c:vp8_encode_bool Line | Count | Source | 59 | 31.1M | static void vp8_encode_bool(BOOL_CODER *bc, int bit, int probability) { | 60 | 31.1M | unsigned int split; | 61 | 31.1M | int count = bc->count; | 62 | 31.1M | unsigned int range = bc->range; | 63 | 31.1M | unsigned int lowvalue = bc->lowvalue; | 64 | 31.1M | int shift; | 65 | | | 66 | 31.1M | split = 1 + (((range - 1) * probability) >> 8); | 67 | | | 68 | 31.1M | range = split; | 69 | | | 70 | 31.1M | if (bit) { | 71 | 9.77M | lowvalue += split; | 72 | 9.77M | range = bc->range - split; | 73 | 9.77M | } | 74 | | | 75 | 31.1M | shift = vp8_norm[range]; | 76 | | | 77 | 31.1M | range <<= shift; | 78 | 31.1M | count += shift; | 79 | | | 80 | 31.1M | if (count >= 0) { | 81 | 3.54M | int offset = shift - count; | 82 | | | 83 | 3.54M | if ((lowvalue << (offset - 1)) & 0x80000000) { | 84 | 11 | int x = bc->pos - 1; | 85 | | | 86 | 30 | while (x >= 0 && bc->buffer[x] == 0xff) { | 87 | 19 | bc->buffer[x] = (unsigned char)0; | 88 | 19 | x--; | 89 | 19 | } | 90 | | | 91 | 11 | bc->buffer[x] += 1; | 92 | 11 | } | 93 | | | 94 | 3.54M | validate_buffer(bc->buffer + bc->pos, 1, bc->buffer_end, bc->error); | 95 | 3.54M | bc->buffer[bc->pos++] = (lowvalue >> (24 - offset) & 0xff); | 96 | | | 97 | 3.54M | shift = count; | 98 | 3.54M | lowvalue = (int)(((uint64_t)lowvalue << offset) & 0xffffff); | 99 | 3.54M | count -= 8; | 100 | 3.54M | } | 101 | | | 102 | 31.1M | lowvalue <<= shift; | 103 | 31.1M | bc->count = count; | 104 | 31.1M | bc->lowvalue = lowvalue; | 105 | 31.1M | bc->range = range; | 106 | 31.1M | } |
Unexecuted instantiation: encodeframe.c:vp8_encode_bool Unexecuted instantiation: encodeintra.c:vp8_encode_bool Unexecuted instantiation: encodemb.c:vp8_encode_bool encodemv.c:vp8_encode_bool Line | Count | Source | 59 | 13.4M | static void vp8_encode_bool(BOOL_CODER *bc, int bit, int probability) { | 60 | 13.4M | unsigned int split; | 61 | 13.4M | int count = bc->count; | 62 | 13.4M | unsigned int range = bc->range; | 63 | 13.4M | unsigned int lowvalue = bc->lowvalue; | 64 | 13.4M | int shift; | 65 | | | 66 | 13.4M | split = 1 + (((range - 1) * probability) >> 8); | 67 | | | 68 | 13.4M | range = split; | 69 | | | 70 | 13.4M | if (bit) { | 71 | 3.20M | lowvalue += split; | 72 | 3.20M | range = bc->range - split; | 73 | 3.20M | } | 74 | | | 75 | 13.4M | shift = vp8_norm[range]; | 76 | | | 77 | 13.4M | range <<= shift; | 78 | 13.4M | count += shift; | 79 | | | 80 | 13.4M | if (count >= 0) { | 81 | 904k | int offset = shift - count; | 82 | | | 83 | 904k | if ((lowvalue << (offset - 1)) & 0x80000000) { | 84 | 65 | int x = bc->pos - 1; | 85 | | | 86 | 269 | while (x >= 0 && bc->buffer[x] == 0xff) { | 87 | 204 | bc->buffer[x] = (unsigned char)0; | 88 | 204 | x--; | 89 | 204 | } | 90 | | | 91 | 65 | bc->buffer[x] += 1; | 92 | 65 | } | 93 | | | 94 | 904k | validate_buffer(bc->buffer + bc->pos, 1, bc->buffer_end, bc->error); | 95 | 904k | bc->buffer[bc->pos++] = (lowvalue >> (24 - offset) & 0xff); | 96 | | | 97 | 904k | shift = count; | 98 | 904k | lowvalue = (int)(((uint64_t)lowvalue << offset) & 0xffffff); | 99 | 904k | count -= 8; | 100 | 904k | } | 101 | | | 102 | 13.4M | lowvalue <<= shift; | 103 | 13.4M | bc->count = count; | 104 | 13.4M | bc->lowvalue = lowvalue; | 105 | 13.4M | bc->range = range; | 106 | 13.4M | } |
Unexecuted instantiation: firstpass.c:vp8_encode_bool Unexecuted instantiation: mcomp.c:vp8_encode_bool Unexecuted instantiation: modecosts.c:vp8_encode_bool |
107 | | |
108 | | #ifdef __cplusplus |
109 | | } // extern "C" |
110 | | #endif |
111 | | |
112 | | #endif // VPX_VP8_ENCODER_BOOLHUFF_H_ |