/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 | 67.3M | struct vpx_internal_error_info *error) { |
50 | 67.3M | if (start + len > start && start + len < end) { |
51 | 67.3M | return 1; |
52 | 67.3M | } 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 | 67.3M | } 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 | 54.8M | struct vpx_internal_error_info *error) { | 50 | 54.8M | if (start + len > start && start + len < end) { | 51 | 54.8M | return 1; | 52 | 54.8M | } 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 | 54.8M | } |
boolhuff.c:validate_buffer Line | Count | Source | 49 | 11.2M | struct vpx_internal_error_info *error) { | 50 | 11.2M | if (start + len > start && start + len < end) { | 51 | 11.2M | return 1; | 52 | 11.2M | } 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 | 11.2M | } |
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 | 1.17M | struct vpx_internal_error_info *error) { | 50 | 1.17M | if (start + len > start && start + len < end) { | 51 | 1.17M | return 1; | 52 | 1.17M | } 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 | 1.17M | } |
Unexecuted instantiation: firstpass.c:validate_buffer Unexecuted instantiation: mcomp.c:validate_buffer Unexecuted instantiation: modecosts.c:validate_buffer |
59 | 502M | static void vp8_encode_bool(BOOL_CODER *bc, int bit, int probability) { |
60 | 502M | unsigned int split; |
61 | 502M | int count = bc->count; |
62 | 502M | unsigned int range = bc->range; |
63 | 502M | unsigned int lowvalue = bc->lowvalue; |
64 | 502M | int shift; |
65 | | |
66 | 502M | split = 1 + (((range - 1) * probability) >> 8); |
67 | | |
68 | 502M | range = split; |
69 | | |
70 | 502M | if (bit) { |
71 | 48.2M | lowvalue += split; |
72 | 48.2M | range = bc->range - split; |
73 | 48.2M | } |
74 | | |
75 | 502M | shift = vp8_norm[range]; |
76 | | |
77 | 502M | range <<= shift; |
78 | 502M | count += shift; |
79 | | |
80 | 502M | if (count >= 0) { |
81 | 19.5M | int offset = shift - count; |
82 | | |
83 | 19.5M | if ((lowvalue << (offset - 1)) & 0x80000000) { |
84 | 727 | int x = bc->pos - 1; |
85 | | |
86 | 1.00k | while (x >= 0 && bc->buffer[x] == 0xff) { |
87 | 282 | bc->buffer[x] = (unsigned char)0; |
88 | 282 | x--; |
89 | 282 | } |
90 | | |
91 | 727 | bc->buffer[x] += 1; |
92 | 727 | } |
93 | | |
94 | 19.5M | validate_buffer(bc->buffer + bc->pos, 1, bc->buffer_end, bc->error); |
95 | 19.5M | bc->buffer[bc->pos++] = (lowvalue >> (24 - offset) & 0xff); |
96 | | |
97 | 19.5M | shift = count; |
98 | 19.5M | lowvalue = (int)(((uint64_t)lowvalue << offset) & 0xffffff); |
99 | 19.5M | count -= 8; |
100 | 19.5M | } |
101 | | |
102 | 502M | lowvalue <<= shift; |
103 | 502M | bc->count = count; |
104 | 502M | bc->lowvalue = lowvalue; |
105 | 502M | bc->range = range; |
106 | 502M | } 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 | 389M | static void vp8_encode_bool(BOOL_CODER *bc, int bit, int probability) { | 60 | 389M | unsigned int split; | 61 | 389M | int count = bc->count; | 62 | 389M | unsigned int range = bc->range; | 63 | 389M | unsigned int lowvalue = bc->lowvalue; | 64 | 389M | int shift; | 65 | | | 66 | 389M | split = 1 + (((range - 1) * probability) >> 8); | 67 | | | 68 | 389M | range = split; | 69 | | | 70 | 389M | if (bit) { | 71 | 22.4M | lowvalue += split; | 72 | 22.4M | range = bc->range - split; | 73 | 22.4M | } | 74 | | | 75 | 389M | shift = vp8_norm[range]; | 76 | | | 77 | 389M | range <<= shift; | 78 | 389M | count += shift; | 79 | | | 80 | 389M | if (count >= 0) { | 81 | 7.04M | int offset = shift - count; | 82 | | | 83 | 7.04M | if ((lowvalue << (offset - 1)) & 0x80000000) { | 84 | 581 | int x = bc->pos - 1; | 85 | | | 86 | 822 | while (x >= 0 && bc->buffer[x] == 0xff) { | 87 | 241 | bc->buffer[x] = (unsigned char)0; | 88 | 241 | x--; | 89 | 241 | } | 90 | | | 91 | 581 | bc->buffer[x] += 1; | 92 | 581 | } | 93 | | | 94 | 7.04M | validate_buffer(bc->buffer + bc->pos, 1, bc->buffer_end, bc->error); | 95 | 7.04M | bc->buffer[bc->pos++] = (lowvalue >> (24 - offset) & 0xff); | 96 | | | 97 | 7.04M | shift = count; | 98 | 7.04M | lowvalue = (int)(((uint64_t)lowvalue << offset) & 0xffffff); | 99 | 7.04M | count -= 8; | 100 | 7.04M | } | 101 | | | 102 | 389M | lowvalue <<= shift; | 103 | 389M | bc->count = count; | 104 | 389M | bc->lowvalue = lowvalue; | 105 | 389M | bc->range = range; | 106 | 389M | } |
boolhuff.c:vp8_encode_bool Line | Count | Source | 59 | 90.6M | static void vp8_encode_bool(BOOL_CODER *bc, int bit, int probability) { | 60 | 90.6M | unsigned int split; | 61 | 90.6M | int count = bc->count; | 62 | 90.6M | unsigned int range = bc->range; | 63 | 90.6M | unsigned int lowvalue = bc->lowvalue; | 64 | 90.6M | int shift; | 65 | | | 66 | 90.6M | split = 1 + (((range - 1) * probability) >> 8); | 67 | | | 68 | 90.6M | range = split; | 69 | | | 70 | 90.6M | if (bit) { | 71 | 22.2M | lowvalue += split; | 72 | 22.2M | range = bc->range - split; | 73 | 22.2M | } | 74 | | | 75 | 90.6M | shift = vp8_norm[range]; | 76 | | | 77 | 90.6M | range <<= shift; | 78 | 90.6M | count += shift; | 79 | | | 80 | 90.6M | if (count >= 0) { | 81 | 11.2M | int offset = shift - count; | 82 | | | 83 | 11.2M | if ((lowvalue << (offset - 1)) & 0x80000000) { | 84 | 76 | int x = bc->pos - 1; | 85 | | | 86 | 101 | while (x >= 0 && bc->buffer[x] == 0xff) { | 87 | 25 | bc->buffer[x] = (unsigned char)0; | 88 | 25 | x--; | 89 | 25 | } | 90 | | | 91 | 76 | bc->buffer[x] += 1; | 92 | 76 | } | 93 | | | 94 | 11.2M | validate_buffer(bc->buffer + bc->pos, 1, bc->buffer_end, bc->error); | 95 | 11.2M | bc->buffer[bc->pos++] = (lowvalue >> (24 - offset) & 0xff); | 96 | | | 97 | 11.2M | shift = count; | 98 | 11.2M | lowvalue = (int)(((uint64_t)lowvalue << offset) & 0xffffff); | 99 | 11.2M | count -= 8; | 100 | 11.2M | } | 101 | | | 102 | 90.6M | lowvalue <<= shift; | 103 | 90.6M | bc->count = count; | 104 | 90.6M | bc->lowvalue = lowvalue; | 105 | 90.6M | bc->range = range; | 106 | 90.6M | } |
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 | 22.7M | static void vp8_encode_bool(BOOL_CODER *bc, int bit, int probability) { | 60 | 22.7M | unsigned int split; | 61 | 22.7M | int count = bc->count; | 62 | 22.7M | unsigned int range = bc->range; | 63 | 22.7M | unsigned int lowvalue = bc->lowvalue; | 64 | 22.7M | int shift; | 65 | | | 66 | 22.7M | split = 1 + (((range - 1) * probability) >> 8); | 67 | | | 68 | 22.7M | range = split; | 69 | | | 70 | 22.7M | if (bit) { | 71 | 3.56M | lowvalue += split; | 72 | 3.56M | range = bc->range - split; | 73 | 3.56M | } | 74 | | | 75 | 22.7M | shift = vp8_norm[range]; | 76 | | | 77 | 22.7M | range <<= shift; | 78 | 22.7M | count += shift; | 79 | | | 80 | 22.7M | if (count >= 0) { | 81 | 1.17M | int offset = shift - count; | 82 | | | 83 | 1.17M | if ((lowvalue << (offset - 1)) & 0x80000000) { | 84 | 70 | int x = bc->pos - 1; | 85 | | | 86 | 86 | while (x >= 0 && bc->buffer[x] == 0xff) { | 87 | 16 | bc->buffer[x] = (unsigned char)0; | 88 | 16 | x--; | 89 | 16 | } | 90 | | | 91 | 70 | bc->buffer[x] += 1; | 92 | 70 | } | 93 | | | 94 | 1.17M | validate_buffer(bc->buffer + bc->pos, 1, bc->buffer_end, bc->error); | 95 | 1.17M | bc->buffer[bc->pos++] = (lowvalue >> (24 - offset) & 0xff); | 96 | | | 97 | 1.17M | shift = count; | 98 | 1.17M | lowvalue = (int)(((uint64_t)lowvalue << offset) & 0xffffff); | 99 | 1.17M | count -= 8; | 100 | 1.17M | } | 101 | | | 102 | 22.7M | lowvalue <<= shift; | 103 | 22.7M | bc->count = count; | 104 | 22.7M | bc->lowvalue = lowvalue; | 105 | 22.7M | bc->range = range; | 106 | 22.7M | } |
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_ |