mirror of https://github.com/axmolengine/axmol.git
102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
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// VlcMediaEngine.h
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#pragma once
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# include "MediaEngine.h"
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#if defined(AX_ENABLE_VLC_MEDIA)
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#include "vlc/vlc.h"
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NS_AX_BEGIN
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class VlcMediaEngine : public MediaEngine
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{
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public:
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VlcMediaEngine();
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~VlcMediaEngine();
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void fireMediaEvent(MEMediaEventType event)
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{
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if (_onMediaEvent)
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_onMediaEvent(event);
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}
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void setCallbacks(std::function<void(MEMediaEventType)> onMediaEvent,
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std::function<void(const MEVideoFrame&)> onVideoFrame) override
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{
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_onMediaEvent = std::move(onMediaEvent);
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_onVideoFrame = std::move(onVideoFrame);
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}
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void setAutoPlay(bool bAutoPlay) override;
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bool open(std::string_view sourceUri) override;
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bool close() override;
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bool setLoop(bool bLooping) override;
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bool setRate(double fRate) override;
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bool setCurrentTime(double fSeekTimeInSec) override;
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bool play() override;
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bool pause() override;
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bool stop() override;
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bool isPlaybackEnded() const override { return _playbackEnded; }
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MEMediaState getState() const override;
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bool transferVideoFrame() override;
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void handleEvent(MEMediaEventType event);
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bool updatePlaybackProperties();
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static void* libvlc_video_lock(void* data, void** p_pixels);
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static void libvlc_video_unlock(void* data, void* id, void* const* p_pixels);
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static unsigned int libvlc_video_format_setup(void** opaque,
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char* chroma,
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unsigned* width,
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unsigned* height,
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unsigned* pitches,
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unsigned* lines);
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static void libvlc_handle_event(const libvlc_event_t* event, void* userData);
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private:
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std::function<void(MEMediaEventType)> _onMediaEvent;
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std::function<void(const MEVideoFrame&)> _onVideoFrame;
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std::string _sourceUri;
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static libvlc_instance_t* s_vlc;
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libvlc_instance_t* _vlc{};
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libvlc_media_player_t* _mp{}; // media player
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libvlc_media_list_player_t* _mlp{}; // media list player
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libvlc_media_list_t* _ml{}; // media list
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libvlc_event_manager_t* _mp_events{};
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libvlc_event_manager_t* _mpl_events{};
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bool _bAutoPlay = false;
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bool _looping = false;
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bool _playbackEnded = false;
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std::atomic<MEMediaState> _state{MEMediaState::Closed};
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uint64_t _frameIndex = 0;
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MEIntPoint _videoDim;
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/*
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* codec dim, not for render, just record info i.e
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* H265: ALIGN_XY(_videoDim, 32)
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* H264: ALIGN_X(_videoDim.x, 16)
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*/
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MEIntPoint _codecDim;
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std::string _videoCodecMimeType;
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yasio::byte_buffer _frameBuffer1; // for write
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yasio::byte_buffer _frameBuffer2; // for read
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mutable std::mutex _frameBuffer1Mtx;
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};
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struct VlcMediaEngineFactory : public MediaEngineFactory
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{
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MediaEngine* createMediaEngine() override { return new VlcMediaEngine(); }
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void destroyMediaEngine(MediaEngine* me) override { delete static_cast<VlcMediaEngine*>(me); }
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};
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NS_AX_END
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#endif
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