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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/ffmpeg/ffmpeg_common.h" | 5 #include "media/ffmpeg/ffmpeg_common.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "base/sha1.h" | 9 #include "base/sha1.h" |
10 #include "base/strings/string_number_conversions.h" | 10 #include "base/strings/string_number_conversions.h" |
11 #include "base/strings/string_split.h" | 11 #include "base/strings/string_split.h" |
12 #include "base/strings/string_util.h" | 12 #include "base/strings/string_util.h" |
13 #include "build/build_config.h" | 13 #include "build/build_config.h" |
| 14 #include "media/base/audio_decoder_config.h" |
14 #include "media/base/decoder_buffer.h" | 15 #include "media/base/decoder_buffer.h" |
15 #include "media/base/video_decoder_config.h" | 16 #include "media/base/video_decoder_config.h" |
16 #include "media/base/video_util.h" | 17 #include "media/base/video_util.h" |
17 #include "media/media_features.h" | 18 #include "media/media_features.h" |
18 | 19 |
19 namespace media { | 20 namespace media { |
20 | 21 |
21 // Why FF_INPUT_BUFFER_PADDING_SIZE? FFmpeg assumes all input buffers are | 22 // Why FF_INPUT_BUFFER_PADDING_SIZE? FFmpeg assumes all input buffers are |
22 // padded. Check here to ensure FFmpeg only receives data padded to its | 23 // padded. Check here to ensure FFmpeg only receives data padded to its |
23 // specifications. | 24 // specifications. |
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103 case AV_CODEC_ID_OPUS: | 104 case AV_CODEC_ID_OPUS: |
104 return kCodecOpus; | 105 return kCodecOpus; |
105 case AV_CODEC_ID_ALAC: | 106 case AV_CODEC_ID_ALAC: |
106 return kCodecALAC; | 107 return kCodecALAC; |
107 default: | 108 default: |
108 DVLOG(1) << "Unknown audio CodecID: " << codec_id; | 109 DVLOG(1) << "Unknown audio CodecID: " << codec_id; |
109 } | 110 } |
110 return kUnknownAudioCodec; | 111 return kUnknownAudioCodec; |
111 } | 112 } |
112 | 113 |
113 static AVCodecID AudioCodecToCodecID(AudioCodec audio_codec, | 114 AVCodecID AudioCodecToCodecID(AudioCodec audio_codec, |
114 SampleFormat sample_format) { | 115 SampleFormat sample_format) { |
115 switch (audio_codec) { | 116 switch (audio_codec) { |
116 case kCodecAAC: | 117 case kCodecAAC: |
117 return AV_CODEC_ID_AAC; | 118 return AV_CODEC_ID_AAC; |
118 case kCodecALAC: | 119 case kCodecALAC: |
119 return AV_CODEC_ID_ALAC; | 120 return AV_CODEC_ID_ALAC; |
120 case kCodecMP3: | 121 case kCodecMP3: |
121 return AV_CODEC_ID_MP3; | 122 return AV_CODEC_ID_MP3; |
122 case kCodecPCM: | 123 case kCodecPCM: |
123 switch (sample_format) { | 124 switch (sample_format) { |
124 case kSampleFormatU8: | 125 case kSampleFormatU8: |
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759 } | 760 } |
760 | 761 |
761 int32_t HashCodecName(const char* codec_name) { | 762 int32_t HashCodecName(const char* codec_name) { |
762 // Use the first 32-bits from the SHA1 hash as the identifier. | 763 // Use the first 32-bits from the SHA1 hash as the identifier. |
763 int32_t hash; | 764 int32_t hash; |
764 memcpy(&hash, base::SHA1HashString(codec_name).substr(0, 4).c_str(), 4); | 765 memcpy(&hash, base::SHA1HashString(codec_name).substr(0, 4).c_str(), 4); |
765 return hash; | 766 return hash; |
766 } | 767 } |
767 | 768 |
768 } // namespace media | 769 } // namespace media |
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