| /* |
| * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "media/engine/stereocodecfactory.h" |
| |
| #include <utility> |
| |
| #include "api/video_codecs/sdp_video_format.h" |
| #include "media/base/codec.h" |
| #include "media/base/mediaconstants.h" |
| #include "modules/video_coding/codecs/stereo/include/stereo_decoder_adapter.h" |
| #include "modules/video_coding/codecs/stereo/include/stereo_encoder_adapter.h" |
| #include "rtc_base/logging.h" |
| |
| namespace { |
| |
| bool IsStereoCodec(const cricket::VideoCodec& codec) { |
| return cricket::CodecNamesEq(codec.name.c_str(), cricket::kStereoCodecName); |
| } |
| |
| } // anonymous namespace |
| |
| namespace webrtc { |
| |
| constexpr const char* kStereoAssociatedCodecName = cricket::kVp9CodecName; |
| |
| StereoEncoderFactory::StereoEncoderFactory( |
| std::unique_ptr<VideoEncoderFactory> factory) |
| : factory_(std::move(factory)) {} |
| |
| std::vector<SdpVideoFormat> StereoEncoderFactory::GetSupportedFormats() const { |
| std::vector<SdpVideoFormat> formats = factory_->GetSupportedFormats(); |
| for (const auto& format : formats) { |
| if (cricket::CodecNamesEq(format.name, kStereoAssociatedCodecName)) { |
| SdpVideoFormat stereo_format = format; |
| stereo_format.parameters[cricket::kCodecParamAssociatedCodecName] = |
| format.name; |
| stereo_format.name = cricket::kStereoCodecName; |
| formats.push_back(stereo_format); |
| break; |
| } |
| } |
| return formats; |
| } |
| |
| VideoEncoderFactory::CodecInfo StereoEncoderFactory::QueryVideoEncoder( |
| const SdpVideoFormat& format) const { |
| if (!IsStereoCodec(cricket::VideoCodec(format))) |
| return factory_->QueryVideoEncoder(format); |
| return factory_->QueryVideoEncoder( |
| SdpVideoFormat(kStereoAssociatedCodecName)); |
| } |
| |
| std::unique_ptr<VideoEncoder> StereoEncoderFactory::CreateVideoEncoder( |
| const SdpVideoFormat& format) { |
| if (!IsStereoCodec(cricket::VideoCodec(format))) |
| return factory_->CreateVideoEncoder(format); |
| const auto& it = |
| format.parameters.find(cricket::kCodecParamAssociatedCodecName); |
| if (it == format.parameters.end()) { |
| RTC_LOG(LS_ERROR) << "No assicated codec for stereo."; |
| return nullptr; |
| } |
| SdpVideoFormat associated_format = format; |
| associated_format.name = it->second; |
| return std::unique_ptr<VideoEncoder>( |
| new StereoEncoderAdapter(factory_.get(), associated_format)); |
| } |
| |
| StereoDecoderFactory::StereoDecoderFactory( |
| std::unique_ptr<VideoDecoderFactory> factory) |
| : factory_(std::move(factory)) {} |
| |
| std::vector<SdpVideoFormat> StereoDecoderFactory::GetSupportedFormats() const { |
| std::vector<SdpVideoFormat> formats = factory_->GetSupportedFormats(); |
| for (const auto& format : formats) { |
| if (cricket::CodecNamesEq(format.name, kStereoAssociatedCodecName)) { |
| SdpVideoFormat stereo_format = format; |
| stereo_format.parameters[cricket::kCodecParamAssociatedCodecName] = |
| format.name; |
| stereo_format.name = cricket::kStereoCodecName; |
| formats.push_back(stereo_format); |
| } |
| } |
| return formats; |
| } |
| |
| std::unique_ptr<VideoDecoder> StereoDecoderFactory::CreateVideoDecoder( |
| const SdpVideoFormat& format) { |
| if (!IsStereoCodec(cricket::VideoCodec(format))) |
| return factory_->CreateVideoDecoder(format); |
| const auto& it = |
| format.parameters.find(cricket::kCodecParamAssociatedCodecName); |
| if (it == format.parameters.end()) { |
| RTC_LOG(LS_ERROR) << "No assicated codec for stereo."; |
| return nullptr; |
| } |
| SdpVideoFormat associated_format = format; |
| associated_format.name = it->second; |
| return std::unique_ptr<VideoDecoder>( |
| new StereoDecoderAdapter(factory_.get(), associated_format)); |
| } |
| |
| } // namespace webrtc |