52c83fe710
This CL splits the iOS sdk into separate static libraries for video, audio, ui, common, and peerconnection-related code. This will in the future make it easier to compile WebRTC without unneeded components. BUG=webrtc:4867 Review-Url: https://codereview.webrtc.org/2862543002 Cr-Commit-Position: refs/heads/master@{#18166}
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
/*
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* Copyright (c) 2015 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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*/
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#ifndef WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_VIDEOTOOLBOX_DECODER_H_
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#define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_VIDEOTOOLBOX_DECODER_H_
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#include "webrtc/modules/video_coding/codecs/h264/include/h264.h"
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#include <VideoToolbox/VideoToolbox.h>
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// This file provides a H264 encoder implementation using the VideoToolbox
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// APIs. Since documentation is almost non-existent, this is largely based on
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// the information in the VideoToolbox header files, a talk from WWDC 2014 and
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// experimentation.
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namespace webrtc {
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class H264VideoToolboxDecoder : public H264Decoder {
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public:
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H264VideoToolboxDecoder();
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~H264VideoToolboxDecoder() override;
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int InitDecode(const VideoCodec* video_codec, int number_of_cores) override;
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int 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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int RegisterDecodeCompleteCallback(DecodedImageCallback* callback) override;
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int Release() override;
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const char* ImplementationName() const override;
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private:
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int ResetDecompressionSession();
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void ConfigureDecompressionSession();
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void DestroyDecompressionSession();
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void SetVideoFormat(CMVideoFormatDescriptionRef video_format);
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DecodedImageCallback* callback_;
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CMVideoFormatDescriptionRef video_format_;
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VTDecompressionSessionRef decompression_session_;
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}; // H264VideoToolboxDecoder
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} // namespace webrtc
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#endif // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_VIDEOTOOLBOX_DECODER_H_
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