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1 // Copyright 2012 Google Inc. All Rights Reserved. | 1 // Copyright 2012 Google Inc. All Rights Reserved. |
2 // | 2 // |
3 // Use of this source code is governed by a BSD-style license | 3 // Use of this source code is governed by a BSD-style license |
4 // that can be found in the COPYING file in the root of the source | 4 // that can be found in the COPYING file in the root of the source |
5 // tree. An additional intellectual property rights grant can be found | 5 // tree. An additional intellectual property rights grant can be found |
6 // in the file PATENTS. All contributing project authors may | 6 // in the file PATENTS. All contributing project authors may |
7 // be found in the AUTHORS file in the root of the source tree. | 7 // be found in the AUTHORS file in the root of the source tree. |
8 // ----------------------------------------------------------------------------- | 8 // ----------------------------------------------------------------------------- |
9 // | 9 // |
10 // WebP container demux. | 10 // WebP container demux. |
11 // | 11 // |
12 | 12 |
13 #ifdef HAVE_CONFIG_H | 13 #ifdef HAVE_CONFIG_H |
14 #include "../webp/config.h" | 14 #include "../webp/config.h" |
15 #endif | 15 #endif |
16 | 16 |
17 #include <assert.h> | 17 #include <assert.h> |
18 #include <stdlib.h> | 18 #include <stdlib.h> |
19 #include <string.h> | 19 #include <string.h> |
20 | 20 |
21 #include "../utils/utils.h" | 21 #include "../utils/utils.h" |
22 #include "../webp/decode.h" // WebPGetFeatures | 22 #include "../webp/decode.h" // WebPGetFeatures |
23 #include "../webp/demux.h" | 23 #include "../webp/demux.h" |
24 #include "../webp/format_constants.h" | 24 #include "../webp/format_constants.h" |
25 | 25 |
26 #define DMUX_MAJ_VERSION 0 | 26 #define DMUX_MAJ_VERSION 0 |
27 #define DMUX_MIN_VERSION 3 | 27 #define DMUX_MIN_VERSION 3 |
28 #define DMUX_REV_VERSION 0 | 28 #define DMUX_REV_VERSION 1 |
29 | 29 |
30 typedef struct { | 30 typedef struct { |
31 size_t start_; // start location of the data | 31 size_t start_; // start location of the data |
32 size_t end_; // end location | 32 size_t end_; // end location |
33 size_t riff_end_; // riff chunk end location, can be > end_. | 33 size_t riff_end_; // riff chunk end location, can be > end_. |
34 size_t buf_size_; // size of the buffer | 34 size_t buf_size_; // size of the buffer |
35 const uint8_t* buf_; | 35 const uint8_t* buf_; |
36 } MemBuffer; | 36 } MemBuffer; |
37 | 37 |
38 typedef struct { | 38 typedef struct { |
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957 (const char*)iter->chunk.bytes - CHUNK_HEADER_SIZE; | 957 (const char*)iter->chunk.bytes - CHUNK_HEADER_SIZE; |
958 return SetChunk(fourcc, iter->chunk_num - 1, iter); | 958 return SetChunk(fourcc, iter->chunk_num - 1, iter); |
959 } | 959 } |
960 return 0; | 960 return 0; |
961 } | 961 } |
962 | 962 |
963 void WebPDemuxReleaseChunkIterator(WebPChunkIterator* iter) { | 963 void WebPDemuxReleaseChunkIterator(WebPChunkIterator* iter) { |
964 (void)iter; | 964 (void)iter; |
965 } | 965 } |
966 | 966 |
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