ES-DE/es-core/src/components/VideoVlcComponent.h

80 lines
2.4 KiB
C++

// SPDX-License-Identifier: MIT
//
// EmulationStation Desktop Edition
// VideoVlcComponent.h
//
// Video playing using libVLC.
//
#ifndef ES_CORE_COMPONENTS_VIDEO_VLC_COMPONENT_H
#define ES_CORE_COMPONENTS_VIDEO_VLC_COMPONENT_H
#include "VideoComponent.h"
#include <vlc/vlc.h>
struct SDL_mutex;
struct SDL_Surface;
struct libvlc_instance_t;
struct libvlc_media_t;
struct libvlc_media_player_t;
struct VideoContext {
SDL_Surface* surface;
SDL_mutex* mutex;
bool valid;
};
class VideoVlcComponent : public VideoComponent
{
public:
VideoVlcComponent(Window* window);
virtual ~VideoVlcComponent();
// Resize the video to fit this size. If one axis is zero, scale that axis to maintain
// aspect ratio. If both are non-zero, potentially break the aspect ratio. If both are
// zero, no resizing. This can be set before or after a video is loaded.
// setMaxSize() and setResize() are mutually exclusive.
void setResize(float width, float height) override;
// Resize the video to be as large as possible but fit within a box of this size.
// This can be set before or after a video is loaded.
// Never breaks the aspect ratio. setMaxSize() and setResize() are mutually exclusive.
void setMaxSize(float width, float height) override;
private:
static void setupVLC();
void setupContext();
void freeContext();
// Calculates the correct mSize from our resizing information (set by setResize/setMaxSize).
// Used internally whenever the resizing parameters or texture change.
void resize();
void render(const Transform4x4f& parentTrans) override;
void calculateBlackRectangle();
void setAudioVolume();
// Start the video immediately.
virtual void startVideo() override;
// Stop the video.
virtual void stopVideo() override;
// Pause the video when a game has been launched.
virtual void pauseVideo() override;
// Handle looping the video. Must be called periodically.
virtual void handleLooping() override;
static void VlcMediaParseCallback(const libvlc_event_t *event, void *user_data) {};
static VideoVlcComponent* sInstance;
static libvlc_instance_t* mVLC;
libvlc_media_t* mMedia;
libvlc_media_player_t* mMediaPlayer;
VideoContext mContext;
bool mHasSetAudioVolume;
std::shared_ptr<TextureResource> mTexture;
std::vector<float> mVideoRectangleCoords;
};
#endif // ES_CORE_COMPONENTS_VIDEO_VLC_COMPONENT_H