webrtc_m130/media/engine/videodecodersoftwarefallbackwrapper.h
Mirko Bonadei bb547203bf Moving src/webrtc into src/.
In order to eliminate the WebRTC Subtree mirror in Chromium, 
WebRTC is moving the content of the src/webrtc directory up
to the src/ directory.

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org

Bug: chromium:611808
Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38
Reviewed-on: https://webrtc-review.googlesource.com/1560
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19845}
2017-09-15 04:25:06 +00:00

63 lines
2.1 KiB
C++

/*
* Copyright (c) 2016 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.
*/
#ifndef WEBRTC_MEDIA_ENGINE_VIDEODECODERSOFTWAREFALLBACKWRAPPER_H_
#define WEBRTC_MEDIA_ENGINE_VIDEODECODERSOFTWAREFALLBACKWRAPPER_H_
#include <memory>
#include <string>
#include "webrtc/api/video_codecs/video_decoder.h"
namespace webrtc {
// Class used to wrap external VideoDecoders to provide a fallback option on
// software decoding when a hardware decoder fails to decode a stream due to
// hardware restrictions, such as max resolution.
class VideoDecoderSoftwareFallbackWrapper : public VideoDecoder {
public:
VideoDecoderSoftwareFallbackWrapper(VideoCodecType codec_type,
std::unique_ptr<VideoDecoder> decoder);
int32_t InitDecode(const VideoCodec* codec_settings,
int32_t number_of_cores) override;
int32_t Decode(const EncodedImage& input_image,
bool missing_frames,
const RTPFragmentationHeader* fragmentation,
const CodecSpecificInfo* codec_specific_info,
int64_t render_time_ms) override;
int32_t RegisterDecodeCompleteCallback(
DecodedImageCallback* callback) override;
int32_t Release() override;
bool PrefersLateDecoding() const override;
const char* ImplementationName() const override;
private:
bool InitFallbackDecoder();
const VideoCodecType codec_type_;
std::unique_ptr<VideoDecoder> decoder_;
bool decoder_initialized_;
VideoCodec codec_settings_;
int32_t number_of_cores_;
std::string fallback_implementation_name_;
std::unique_ptr<VideoDecoder> fallback_decoder_;
DecodedImageCallback* callback_;
};
} // namespace webrtc
#endif // WEBRTC_MEDIA_ENGINE_VIDEODECODERSOFTWAREFALLBACKWRAPPER_H_