| /* |
| * 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 webrtc::VideoDecoder { |
| public: |
| VideoDecoderSoftwareFallbackWrapper(VideoCodecType codec_type, |
| 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_; |
| VideoDecoder* const 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_ |