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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/base/audio_decoder_config.h" | 5 #include "media/base/audio_decoder_config.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/metrics/histogram.h" | 8 #include "base/metrics/histogram.h" |
9 #include "base/time/time.h" | 9 #include "base/time/time.h" |
10 #include "media/audio/sample_rates.h" | 10 #include "media/audio/sample_rates.h" |
11 #include "media/base/limits.h" | 11 #include "media/base/limits.h" |
12 #include "media/base/sample_format.h" | 12 #include "media/base/sample_format.h" |
13 | 13 |
14 namespace media { | 14 namespace media { |
15 | 15 |
16 // The names come from src/third_party/ffmpeg/libavcodec/codec_desc.c | |
17 const char* AudioCodecName(AudioCodec audio_codec, SampleFormat sample_format) { | |
18 switch (audio_codec) { | |
19 case kCodecAAC: | |
20 return "aac"; | |
21 case kCodecMP3: | |
22 return "mp3"; | |
23 case kCodecPCM: | |
24 switch (sample_format) { | |
DaleCurtis
2014/11/19 00:01:56
I wouldn't really worry about differentiating thes
watk
2014/11/19 19:18:09
Done.
| |
25 case kUnknownSampleFormat: | |
26 return "pcm"; | |
27 case kSampleFormatU8: | |
28 return "pcm_u8"; | |
29 case kSampleFormatS16: | |
30 return "pcm_s16le"; | |
31 case kSampleFormatS32: | |
32 return "pcm_s24le"; | |
33 case kSampleFormatF32: | |
34 return "pcm_f32le"; | |
35 case kSampleFormatPlanarS16: | |
36 return "pcm_s16le_planar"; | |
37 case kSampleFormatPlanarF32: | |
38 return "pcm_f32le_planar"; | |
39 default: | |
40 NOTREACHED() << "Invalid SampleFormat: " << sample_format; | |
41 return "pcm"; | |
42 } | |
43 case kCodecPCM_S16BE: | |
44 return "pcm_s16be"; | |
45 case kCodecPCM_S24BE: | |
46 return "pcm_s24be"; | |
47 case kCodecVorbis: | |
48 return "vorbis"; | |
49 case kCodecFLAC: | |
50 return "flac"; | |
51 case kCodecAMR_NB: | |
52 return "amr_nb"; | |
53 case kCodecAMR_WB: | |
54 return "amr_wb"; | |
55 case kCodecGSM_MS: | |
56 return "gsm_ms"; | |
57 case kCodecPCM_ALAW: | |
58 return "pcm_alaw"; | |
59 case kCodecPCM_MULAW: | |
60 return "pcm_mulaw"; | |
61 case kCodecOpus: | |
62 return "opus"; | |
63 default: | |
64 NOTREACHED() << "Invalid AudioCodec: " << audio_codec; | |
65 return "unknown"; | |
66 } | |
67 } | |
68 | |
16 AudioDecoderConfig::AudioDecoderConfig() | 69 AudioDecoderConfig::AudioDecoderConfig() |
17 : codec_(kUnknownAudioCodec), | 70 : codec_(kUnknownAudioCodec), |
18 sample_format_(kUnknownSampleFormat), | 71 sample_format_(kUnknownSampleFormat), |
19 bytes_per_channel_(0), | 72 bytes_per_channel_(0), |
20 channel_layout_(CHANNEL_LAYOUT_UNSUPPORTED), | 73 channel_layout_(CHANNEL_LAYOUT_UNSUPPORTED), |
21 samples_per_second_(0), | 74 samples_per_second_(0), |
22 bytes_per_frame_(0), | 75 bytes_per_frame_(0), |
23 is_encrypted_(false), | 76 is_encrypted_(false), |
24 codec_delay_(0) { | 77 codec_delay_(0) { |
25 } | 78 } |
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115 << " sample_format: " << sample_format() | 168 << " sample_format: " << sample_format() |
116 << " bytes_per_frame: " << bytes_per_frame() | 169 << " bytes_per_frame: " << bytes_per_frame() |
117 << " seek_preroll: " << seek_preroll().InMilliseconds() << "ms" | 170 << " seek_preroll: " << seek_preroll().InMilliseconds() << "ms" |
118 << " codec_delay: " << codec_delay() | 171 << " codec_delay: " << codec_delay() |
119 << " has extra data? " << (extra_data() ? "true" : "false") | 172 << " has extra data? " << (extra_data() ? "true" : "false") |
120 << " encrypted? " << (is_encrypted() ? "true" : "false"); | 173 << " encrypted? " << (is_encrypted() ? "true" : "false"); |
121 return s.str(); | 174 return s.str(); |
122 } | 175 } |
123 | 176 |
124 } // namespace media | 177 } // namespace media |
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