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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "media/formats/mp4/es_descriptor.h" | 5 #include "media/formats/mp4/es_descriptor.h" |
| 6 | 6 |
| 7 #include <stddef.h> |
| 8 |
| 7 #include "media/base/bit_reader.h" | 9 #include "media/base/bit_reader.h" |
| 8 #include "media/formats/mp4/rcheck.h" | 10 #include "media/formats/mp4/rcheck.h" |
| 9 | 11 |
| 10 // The elementary stream size is specific by up to 4 bytes. | 12 // The elementary stream size is specific by up to 4 bytes. |
| 11 // The MSB of a byte indicates if there are more bytes for the size. | 13 // The MSB of a byte indicates if there are more bytes for the size. |
| 12 static bool ReadESSize(media::BitReader* reader, uint32_t* size) { | 14 static bool ReadESSize(media::BitReader* reader, uint32_t* size) { |
| 13 uint8_t msb; | 15 uint8_t msb; |
| 14 uint8_t byte; | 16 uint8_t byte; |
| 15 | 17 |
| 16 *size = 0; | 18 *size = 0; |
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| 108 decoder_specific_info_.resize(size); | 110 decoder_specific_info_.resize(size); |
| 109 for (uint32_t i = 0; i < size; ++i) | 111 for (uint32_t i = 0; i < size; ++i) |
| 110 RCHECK(reader->ReadBits(8, &decoder_specific_info_[i])); | 112 RCHECK(reader->ReadBits(8, &decoder_specific_info_[i])); |
| 111 | 113 |
| 112 return true; | 114 return true; |
| 113 } | 115 } |
| 114 | 116 |
| 115 } // namespace mp4 | 117 } // namespace mp4 |
| 116 | 118 |
| 117 } // namespace media | 119 } // namespace media |
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