| /* |
| * Copyright (c) 2015 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_MODULES_VIDEO_CODING_CODECS_H264_H264_VIDEO_TOOLBOX_DECODER_H_ |
| #define WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_H264_VIDEO_TOOLBOX_DECODER_H_ |
| |
| #include "webrtc/modules/video_coding/codecs/h264/include/h264.h" |
| |
| #if defined(WEBRTC_VIDEO_TOOLBOX_SUPPORTED) |
| |
| #include <VideoToolbox/VideoToolbox.h> |
| |
| // This file provides a H264 encoder implementation using the VideoToolbox |
| // APIs. Since documentation is almost non-existent, this is largely based on |
| // the information in the VideoToolbox header files, a talk from WWDC 2014 and |
| // experimentation. |
| |
| namespace webrtc { |
| |
| class H264VideoToolboxDecoder : public H264Decoder { |
| public: |
| H264VideoToolboxDecoder(); |
| |
| ~H264VideoToolboxDecoder() override; |
| |
| int InitDecode(const VideoCodec* video_codec, int number_of_cores) override; |
| |
| int Decode(const EncodedImage& input_image, |
| bool missing_frames, |
| const RTPFragmentationHeader* fragmentation, |
| const CodecSpecificInfo* codec_specific_info, |
| int64_t render_time_ms) override; |
| |
| int RegisterDecodeCompleteCallback(DecodedImageCallback* callback) override; |
| |
| int Release() override; |
| |
| const char* ImplementationName() const override; |
| |
| private: |
| int ResetDecompressionSession(); |
| void ConfigureDecompressionSession(); |
| void DestroyDecompressionSession(); |
| void SetVideoFormat(CMVideoFormatDescriptionRef video_format); |
| |
| DecodedImageCallback* callback_; |
| CMVideoFormatDescriptionRef video_format_; |
| VTDecompressionSessionRef decompression_session_; |
| }; // H264VideoToolboxDecoder |
| |
| } // namespace webrtc |
| |
| #endif // defined(WEBRTC_VIDEO_TOOLBOX_SUPPORTED) |
| #endif // WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_H264_VIDEO_TOOLBOX_DECODER_H_ |