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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 AudioDecoderConfig::AudioDecoderConfig() | 16 AudioDecoderConfig::AudioDecoderConfig() |
| 17 : codec_(kUnknownAudioCodec), | 17 : codec_(kUnknownAudioCodec), |
| 18 sample_format_(kUnknownSampleFormat), | 18 sample_format_(kUnknownSampleFormat), |
| 19 bytes_per_channel_(0), | 19 bytes_per_channel_(0), |
| 20 channel_layout_(CHANNEL_LAYOUT_UNSUPPORTED), | 20 channel_layout_(CHANNEL_LAYOUT_UNSUPPORTED), |
| 21 samples_per_second_(0), | 21 samples_per_second_(0), |
| 22 bytes_per_frame_(0), | 22 bytes_per_frame_(0), |
| 23 is_encrypted_(false), | 23 is_encrypted_(false) { |
| 24 codec_delay_(0) { | |
| 25 } | 24 } |
| 26 | 25 |
| 27 AudioDecoderConfig::AudioDecoderConfig(AudioCodec codec, | 26 AudioDecoderConfig::AudioDecoderConfig(AudioCodec codec, |
| 28 SampleFormat sample_format, | 27 SampleFormat sample_format, |
| 29 ChannelLayout channel_layout, | 28 ChannelLayout channel_layout, |
| 30 int samples_per_second, | 29 int samples_per_second, |
| 31 const uint8* extra_data, | 30 const uint8* extra_data, |
| 32 size_t extra_data_size, | 31 size_t extra_data_size, |
| 33 bool is_encrypted) { | 32 bool is_encrypted) { |
| 34 Initialize(codec, sample_format, channel_layout, samples_per_second, | 33 Initialize(codec, sample_format, channel_layout, samples_per_second, |
| 35 extra_data, extra_data_size, is_encrypted, true, | 34 extra_data, extra_data_size, is_encrypted, true, |
| 36 base::TimeDelta(), 0); | 35 base::TimeDelta(), base::TimeDelta()); |
| 37 } | 36 } |
| 38 | 37 |
| 39 void AudioDecoderConfig::Initialize(AudioCodec codec, | 38 void AudioDecoderConfig::Initialize(AudioCodec codec, |
| 40 SampleFormat sample_format, | 39 SampleFormat sample_format, |
| 41 ChannelLayout channel_layout, | 40 ChannelLayout channel_layout, |
| 42 int samples_per_second, | 41 int samples_per_second, |
| 43 const uint8* extra_data, | 42 const uint8* extra_data, |
| 44 size_t extra_data_size, | 43 size_t extra_data_size, |
| 45 bool is_encrypted, | 44 bool is_encrypted, |
| 46 bool record_stats, | 45 bool record_stats, |
| 47 base::TimeDelta seek_preroll, | 46 base::TimeDelta seek_preroll, |
| 48 int codec_delay) { | 47 base::TimeDelta codec_delay) { |
| 49 CHECK((extra_data_size != 0) == (extra_data != NULL)); | 48 CHECK((extra_data_size != 0) == (extra_data != NULL)); |
| 50 | 49 |
| 51 if (record_stats) { | 50 if (record_stats) { |
| 52 UMA_HISTOGRAM_ENUMERATION("Media.AudioCodec", codec, kAudioCodecMax + 1); | 51 UMA_HISTOGRAM_ENUMERATION("Media.AudioCodec", codec, kAudioCodecMax + 1); |
| 53 UMA_HISTOGRAM_ENUMERATION("Media.AudioSampleFormat", sample_format, | 52 UMA_HISTOGRAM_ENUMERATION("Media.AudioSampleFormat", sample_format, |
| 54 kSampleFormatMax + 1); | 53 kSampleFormatMax + 1); |
| 55 UMA_HISTOGRAM_ENUMERATION("Media.AudioChannelLayout", channel_layout, | 54 UMA_HISTOGRAM_ENUMERATION("Media.AudioChannelLayout", channel_layout, |
| 56 CHANNEL_LAYOUT_MAX + 1); | 55 CHANNEL_LAYOUT_MAX + 1); |
| 57 AudioSampleRate asr; | 56 AudioSampleRate asr; |
| 58 if (ToAudioSampleRate(samples_per_second, &asr)) { | 57 if (ToAudioSampleRate(samples_per_second, &asr)) { |
| (...skipping 23 matching lines...) Expand all Loading... |
| 82 | 81 |
| 83 bool AudioDecoderConfig::IsValidConfig() const { | 82 bool AudioDecoderConfig::IsValidConfig() const { |
| 84 return codec_ != kUnknownAudioCodec && | 83 return codec_ != kUnknownAudioCodec && |
| 85 channel_layout_ != CHANNEL_LAYOUT_UNSUPPORTED && | 84 channel_layout_ != CHANNEL_LAYOUT_UNSUPPORTED && |
| 86 bytes_per_channel_ > 0 && | 85 bytes_per_channel_ > 0 && |
| 87 bytes_per_channel_ <= limits::kMaxBytesPerSample && | 86 bytes_per_channel_ <= limits::kMaxBytesPerSample && |
| 88 samples_per_second_ > 0 && | 87 samples_per_second_ > 0 && |
| 89 samples_per_second_ <= limits::kMaxSampleRate && | 88 samples_per_second_ <= limits::kMaxSampleRate && |
| 90 sample_format_ != kUnknownSampleFormat && | 89 sample_format_ != kUnknownSampleFormat && |
| 91 seek_preroll_ >= base::TimeDelta() && | 90 seek_preroll_ >= base::TimeDelta() && |
| 92 codec_delay_ >= 0; | 91 codec_delay_ >= base::TimeDelta(); |
| 93 } | 92 } |
| 94 | 93 |
| 95 bool AudioDecoderConfig::Matches(const AudioDecoderConfig& config) const { | 94 bool AudioDecoderConfig::Matches(const AudioDecoderConfig& config) const { |
| 96 return ((codec() == config.codec()) && | 95 return ((codec() == config.codec()) && |
| 97 (bytes_per_channel() == config.bytes_per_channel()) && | 96 (bytes_per_channel() == config.bytes_per_channel()) && |
| 98 (channel_layout() == config.channel_layout()) && | 97 (channel_layout() == config.channel_layout()) && |
| 99 (samples_per_second() == config.samples_per_second()) && | 98 (samples_per_second() == config.samples_per_second()) && |
| 100 (extra_data_size() == config.extra_data_size()) && | 99 (extra_data_size() == config.extra_data_size()) && |
| 101 (!extra_data() || !memcmp(extra_data(), config.extra_data(), | 100 (!extra_data() || !memcmp(extra_data(), config.extra_data(), |
| 102 extra_data_size())) && | 101 extra_data_size())) && |
| 103 (is_encrypted() == config.is_encrypted()) && | 102 (is_encrypted() == config.is_encrypted()) && |
| 104 (sample_format() == config.sample_format()) && | 103 (sample_format() == config.sample_format()) && |
| 105 (seek_preroll() == config.seek_preroll()) && | 104 (seek_preroll() == config.seek_preroll()) && |
| 106 (codec_delay() == config.codec_delay())); | 105 (codec_delay() == config.codec_delay())); |
| 107 } | 106 } |
| 108 | 107 |
| 109 std::string AudioDecoderConfig::AsHumanReadableString() const { | 108 std::string AudioDecoderConfig::AsHumanReadableString() const { |
| 110 std::ostringstream s; | 109 std::ostringstream s; |
| 111 s << "codec: " << codec() | 110 s << "codec: " << codec() |
| 112 << " bytes_per_channel: " << bytes_per_channel() | 111 << " bytes_per_channel: " << bytes_per_channel() |
| 113 << " channel_layout: " << channel_layout() | 112 << " channel_layout: " << channel_layout() |
| 114 << " samples_per_second: " << samples_per_second() | 113 << " samples_per_second: " << samples_per_second() |
| 115 << " sample_format: " << sample_format() | 114 << " sample_format: " << sample_format() |
| 116 << " bytes_per_frame: " << bytes_per_frame() | 115 << " bytes_per_frame: " << bytes_per_frame() |
| 117 << " seek_preroll: " << seek_preroll().InMilliseconds() << "ms" | 116 << " seek_preroll: " << seek_preroll().InMilliseconds() << "ms" |
| 118 << " codec_delay: " << codec_delay() | 117 << " codec_delay: " << codec_delay().InMilliseconds() << "ms" |
| 119 << " has extra data? " << (extra_data() ? "true" : "false") | 118 << " has extra data? " << (extra_data() ? "true" : "false") |
| 120 << " encrypted? " << (is_encrypted() ? "true" : "false"); | 119 << " encrypted? " << (is_encrypted() ? "true" : "false"); |
| 121 return s.str(); | 120 return s.str(); |
| 122 } | 121 } |
| 123 | 122 |
| 124 } // namespace media | 123 } // namespace media |
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