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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromecast/media/cma/base/decoder_config_adapter.h"
#include "base/logging.h"
#include "media/base/channel_layout.h"
namespace chromecast {
namespace media {
namespace {
// Converts ::media::AudioCodec to chromecast::media::AudioCodec. Any unknown or
// unsupported codec will be converted to chromecast::media::kCodecUnknown.
AudioCodec ToAudioCodec(const ::media::AudioCodec audio_codec) {
switch (audio_codec) {
case ::media::kCodecAAC:
return kCodecAAC;
case ::media::kCodecMP3:
return kCodecMP3;
case ::media::kCodecPCM:
return kCodecPCM;
case ::media::kCodecPCM_S16BE:
return kCodecPCM_S16BE;
case ::media::kCodecVorbis:
return kCodecVorbis;
default:
LOG(ERROR) << "Unsupported audio codec " << audio_codec;
}
return kAudioCodecUnknown;
}
SampleFormat ToSampleFormat(const ::media::SampleFormat sample_format) {
switch (sample_format) {
case ::media::kUnknownSampleFormat:
return kUnknownSampleFormat;
case ::media::kSampleFormatU8:
return kSampleFormatU8;
case ::media::kSampleFormatS16:
return kSampleFormatS16;
case ::media::kSampleFormatS32:
return kSampleFormatS32;
case ::media::kSampleFormatF32:
return kSampleFormatF32;
case ::media::kSampleFormatPlanarS16:
return kSampleFormatPlanarS16;
case ::media::kSampleFormatPlanarF32:
return kSampleFormatPlanarF32;
case ::media::kSampleFormatPlanarS32:
return kSampleFormatPlanarS32;
}
NOTREACHED();
return kUnknownSampleFormat;
}
// Converts ::media::VideoCodec to chromecast::media::VideoCodec. Any unknown or
// unsupported codec will be converted to chromecast::media::kCodecUnknown.
VideoCodec ToVideoCodec(const ::media::VideoCodec video_codec) {
switch (video_codec) {
case ::media::kCodecH264:
return kCodecH264;
case ::media::kCodecVP8:
return kCodecVP8;
case ::media::kCodecVP9:
return kCodecVP9;
default:
LOG(ERROR) << "Unsupported video codec " << video_codec;
}
return kVideoCodecUnknown;
}
// Converts ::media::VideoCodecProfile to chromecast::media::VideoProfile.
VideoProfile ToVideoProfile(const ::media::VideoCodecProfile codec_profile) {
switch(codec_profile) {
case ::media::H264PROFILE_BASELINE:
return kH264Baseline;
case ::media::H264PROFILE_MAIN:
return kH264Main;
case ::media::H264PROFILE_EXTENDED:
return kH264Extended;
case ::media::H264PROFILE_HIGH:
return kH264High;
case ::media::H264PROFILE_HIGH10PROFILE:
return kH264High10;
case ::media::H264PROFILE_HIGH422PROFILE:
return kH264High422;
case ::media::H264PROFILE_HIGH444PREDICTIVEPROFILE:
return kH264High444Predictive;
case ::media::H264PROFILE_SCALABLEBASELINE:
return kH264ScalableBaseline;
case ::media::H264PROFILE_SCALABLEHIGH:
return kH264ScalableHigh;
case ::media::H264PROFILE_STEREOHIGH:
return kH264Stereohigh;
case ::media::H264PROFILE_MULTIVIEWHIGH:
return kH264MultiviewHigh;
case ::media::VP8PROFILE_ANY:
return kVP8ProfileAny;
case ::media::VP9PROFILE_ANY:
return kVP9ProfileAny;
default:
LOG(INFO) << "Unsupported video codec profile " << codec_profile;
}
return kVideoProfileUnknown;
}
::media::ChannelLayout ToMediaChannelLayout(int channel_number) {
switch (channel_number) {
case 1:
return ::media::ChannelLayout::CHANNEL_LAYOUT_MONO;
case 2:
return ::media::ChannelLayout::CHANNEL_LAYOUT_STEREO;
default:
return ::media::ChannelLayout::CHANNEL_LAYOUT_UNSUPPORTED;
}
}
::media::SampleFormat ToMediaSampleFormat(const SampleFormat sample_format) {
switch (sample_format) {
case kUnknownSampleFormat:
return ::media::kUnknownSampleFormat;
case kSampleFormatU8:
return ::media::kSampleFormatU8;
case kSampleFormatS16:
return ::media::kSampleFormatS16;
case kSampleFormatS32:
return ::media::kSampleFormatS32;
case kSampleFormatF32:
return ::media::kSampleFormatF32;
case kSampleFormatPlanarS16:
return ::media::kSampleFormatPlanarS16;
case kSampleFormatPlanarF32:
return ::media::kSampleFormatPlanarF32;
case kSampleFormatPlanarS32:
return ::media::kSampleFormatPlanarS32;
default:
NOTREACHED();
return ::media::kUnknownSampleFormat;
}
}
::media::AudioCodec ToMediaAudioCodec(
const chromecast::media::AudioCodec codec) {
switch (codec) {
case kAudioCodecUnknown:
return ::media::kUnknownAudioCodec;
case kCodecAAC:
return ::media::kCodecAAC;
case kCodecMP3:
return ::media::kCodecMP3;
case kCodecPCM:
return ::media::kCodecPCM;
case kCodecPCM_S16BE:
return ::media::kCodecPCM_S16BE;
case kCodecVorbis:
return ::media::kCodecVorbis;
case kCodecOpus:
return ::media::kCodecOpus;
default:
return ::media::kUnknownAudioCodec;
}
}
} // namespace
// static
AudioConfig DecoderConfigAdapter::ToCastAudioConfig(
StreamId id,
const ::media::AudioDecoderConfig& config) {
AudioConfig audio_config;
if (!config.IsValidConfig()) {
return audio_config;
}
audio_config.id = id;
audio_config.codec = ToAudioCodec(config.codec());
audio_config.sample_format = ToSampleFormat(config.sample_format());
audio_config.bytes_per_channel = config.bytes_per_channel();
audio_config.channel_number =
::media::ChannelLayoutToChannelCount(config.channel_layout()),
audio_config.samples_per_second = config.samples_per_second();
audio_config.extra_data =
(config.extra_data_size() > 0) ? config.extra_data() : nullptr;
audio_config.extra_data_size = config.extra_data_size();
audio_config.is_encrypted = config.is_encrypted();
return audio_config;
}
// static
::media::AudioDecoderConfig DecoderConfigAdapter::ToMediaAudioDecoderConfig(
const AudioConfig& config) {
return ::media::AudioDecoderConfig(
ToMediaAudioCodec(config.codec),
ToMediaSampleFormat(config.sample_format),
ToMediaChannelLayout(config.channel_number), config.samples_per_second,
config.extra_data, config.extra_data_size, config.is_encrypted);
}
// static
VideoConfig DecoderConfigAdapter::ToCastVideoConfig(
StreamId id,
const ::media::VideoDecoderConfig& config) {
VideoConfig video_config;
if (!config.IsValidConfig()) {
return video_config;
}
video_config.id = id;
video_config.codec = ToVideoCodec(config.codec());
video_config.profile = ToVideoProfile(config.profile());
video_config.extra_data = (config.extra_data_size() > 0) ?
config.extra_data() : nullptr;
video_config.extra_data_size = config.extra_data_size();
video_config.is_encrypted = config.is_encrypted();
return video_config;
}
} // namespace media
} // namespace chromecast
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