blob: d6c3e0e0a849dbed59876c1bac6ea66f8fcd4ecb [file] [log] [blame]
* 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.
#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 {
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;
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