2019-02-24 13:15:14 +01:00
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//
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// libtgvoip is free and unencumbered public domain software.
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// For more information, see http://unlicense.org or the UNLICENSE file
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// you should have received with this source code distribution.
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//
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#ifndef LIBTGVOIP_VIDEOTOOLBOXENCODERSOURCE
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#define LIBTGVOIP_VIDEOTOOLBOXENCODERSOURCE
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#include "../../video/VideoSource.h"
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#include <CoreMedia/CoreMedia.h>
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#include <VideoToolbox/VideoToolbox.h>
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2019-03-10 23:12:09 +01:00
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#include <vector>
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2019-02-24 13:15:14 +01:00
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namespace tgvoip{
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namespace video{
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class VideoToolboxEncoderSource : public VideoSource{
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public:
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VideoToolboxEncoderSource();
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virtual ~VideoToolboxEncoderSource();
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virtual void Start() override;
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virtual void Stop() override;
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virtual void Reset(uint32_t codec, int maxResolution) override;
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virtual void RequestKeyFrame() override;
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2019-03-10 23:12:09 +01:00
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virtual void SetBitrate(uint32_t bitrate) override;
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2019-02-24 13:15:14 +01:00
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void EncodeFrame(CMSampleBufferRef frame);
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2019-03-10 23:12:09 +01:00
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static std::vector<uint32_t> GetAvailableEncoders();
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private:
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void EncoderCallback(OSStatus status, CMSampleBufferRef buffer, VTEncodeInfoFlags flags);
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void SetEncoderBitrateAndLimit(uint32_t bitrate);
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bool needUpdateStreamParams=true;
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uint32_t codec=0;
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VTCompressionSessionRef session=NULL;
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bool keyframeRequested=false;
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uint32_t bitrateChangeRequested=0;
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uint32_t lastBitrate=512*1024;
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2019-02-24 13:15:14 +01:00
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};
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}
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}
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#endif /* LIBTGVOIP_VIDEOTOOLBOXENCODERSOURCE */
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