b2fc9b1b10
We want to move away from cricket::WebRtcVideoDecoderFactory and this CL updates the internal factory. Also, VideoDecoderSoftwareFallbackWrapper is updated to take a VideoDecoder as argument instead of a factory so it can be used with external SW decoders. Bug: webrtc:7925 Change-Id: Ie6dc6c24f8610a2129620c6e2b42e3cebb2ddef7 Reviewed-on: https://webrtc-review.googlesource.com/7301 Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Reviewed-by: Anders Carlsson <andersc@webrtc.org> Commit-Queue: Magnus Jedvert <magjed@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20597}
65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MEDIA_ENGINE_VIDEODECODERSOFTWAREFALLBACKWRAPPER_H_
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#define MEDIA_ENGINE_VIDEODECODERSOFTWAREFALLBACKWRAPPER_H_
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#include <memory>
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#include <string>
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#include "api/video_codecs/video_decoder.h"
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namespace webrtc {
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// Class used to wrap external VideoDecoders to provide a fallback option on
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// software decoding when a hardware decoder fails to decode a stream due to
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// hardware restrictions, such as max resolution.
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class VideoDecoderSoftwareFallbackWrapper : public VideoDecoder {
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public:
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VideoDecoderSoftwareFallbackWrapper(
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std::unique_ptr<VideoDecoder> sw_fallback_decoder,
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std::unique_ptr<VideoDecoder> hw_decoder);
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int32_t InitDecode(const VideoCodec* codec_settings,
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int32_t number_of_cores) override;
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int32_t Decode(const EncodedImage& input_image,
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bool missing_frames,
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const RTPFragmentationHeader* fragmentation,
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const CodecSpecificInfo* codec_specific_info,
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int64_t render_time_ms) override;
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int32_t RegisterDecodeCompleteCallback(
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DecodedImageCallback* callback) override;
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int32_t Release() override;
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bool PrefersLateDecoding() const override;
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const char* ImplementationName() const override;
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private:
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bool InitFallbackDecoder();
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// Determines if we are trying to use the HW or SW decoder.
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bool use_hw_decoder_;
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std::unique_ptr<VideoDecoder> hw_decoder_;
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bool hw_decoder_initialized_;
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VideoCodec codec_settings_;
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int32_t number_of_cores_;
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const std::unique_ptr<VideoDecoder> fallback_decoder_;
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const std::string fallback_implementation_name_;
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DecodedImageCallback* callback_;
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};
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} // namespace webrtc
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#endif // MEDIA_ENGINE_VIDEODECODERSOFTWAREFALLBACKWRAPPER_H_
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