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///
/// @file video.h @brief Video module header file
///
/// Copyright (c) 2009 - 2015 by Johns. All Rights Reserved.
///
/// Contributor(s):
///
/// License: AGPLv3
///
/// This program is free software: you can redistribute it and/or modify
/// it under the terms of the GNU Affero General Public License as
/// published by the Free Software Foundation, either version 3 of the
/// License.
///
/// This program is distributed in the hope that it will be useful,
/// but WITHOUT ANY WARRANTY; without even the implied warranty of
/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
/// GNU Affero General Public License for more details.
///
/// $Id: 83cd827a8744e8c80c8adba6cb87653b0ad58c45 $
//////////////////////////////////////////////////////////////////////////////
/// @addtogroup Video
/// @{
//----------------------------------------------------------------------------
// Typedefs
//----------------------------------------------------------------------------
/// Video hardware decoder typedef
typedef struct _video_hw_decoder_ VideoHwDecoder;
/// Video output stream typedef
typedef struct __video_stream__ VideoStream;
//----------------------------------------------------------------------------
// Variables
//----------------------------------------------------------------------------
extern signed char VideoHardwareDecoder; ///< flag use hardware decoder
extern char VideoIgnoreRepeatPict; ///< disable repeat pict warning
extern int VideoAudioDelay; ///< audio/video delay
extern char ConfigStartX11Server; ///< flag start the x11 server
//----------------------------------------------------------------------------
// Prototypes
//----------------------------------------------------------------------------
/// Allocate new video hardware decoder.
extern VideoHwDecoder *VideoNewHwDecoder(VideoStream *);
/// Deallocate video hardware decoder.
extern void VideoDelHwDecoder(VideoHwDecoder *);
#ifdef LIBAVCODEC_VERSION
/// Get and allocate a video hardware surface.
extern unsigned VideoGetSurface(VideoHwDecoder *, const AVCodecContext *);
/// Release a video hardware surface
extern void VideoReleaseSurface(VideoHwDecoder *, unsigned);
/// Callback to negotiate the PixelFormat.
extern enum AVPixelFormat Video_get_format(VideoHwDecoder *, AVCodecContext *,
const enum AVPixelFormat *);
/// Render a ffmpeg frame.
extern void VideoRenderFrame(VideoHwDecoder *, const AVCodecContext *,
const AVFrame *);
/// Get hwaccel context for ffmpeg.
extern void *VideoGetHwAccelContext(VideoHwDecoder *);
#ifdef AVCODEC_VDPAU_H
/// Draw vdpau render state.
extern void VideoDrawRenderState(VideoHwDecoder *,
struct vdpau_render_state *);
#endif
#endif
/// Poll video events.
extern void VideoPollEvent(void);
/// Wakeup display handler.
extern void VideoDisplayWakeup(void);
/// Set video device.
extern void VideoSetDevice(const char *);
/// Get video driver name.
extern const char *VideoGetDriverName(void);
/// Set video geometry.
extern int VideoSetGeometry(const char *);
/// Set 60Hz display mode.
extern void VideoSet60HzMode(int);
/// Set soft start audio/video sync.
extern void VideoSetSoftStartSync(int);
/// Set show black picture during channel switch.
extern void VideoSetBlackPicture(int);
/// Set brightness adjustment.
extern void VideoSetBrightness(int);
/// Set contrast adjustment.
extern void VideoSetContrast(int);
/// Set saturation adjustment.
extern void VideoSetSaturation(int);
/// Set hue adjustment.
extern void VideoSetHue(int);
/// Set video output position.
extern void VideoSetOutputPosition(VideoHwDecoder *, int, int, int, int);
/// Set video mode.
extern void VideoSetVideoMode(int, int, int, int);
/// Set 4:3 display format.
extern void VideoSet4to3DisplayFormat(int);
/// Set other display format.
extern void VideoSetOtherDisplayFormat(int);
/// Set video fullscreen mode.
extern void VideoSetFullscreen(int);
/// Set deinterlace.
extern void VideoSetDeinterlace(int[]);
/// Set skip chroma deinterlace.
extern void VideoSetSkipChromaDeinterlace(int[]);
/// Set inverse telecine.
extern void VideoSetInverseTelecine(int[]);
/// Set scaling.
extern void VideoSetScaling(int[]);
/// Set denoise.
extern void VideoSetDenoise(int[]);
/// Set sharpen.
extern void VideoSetSharpen(int[]);
/// Set cut top and bottom.
extern void VideoSetCutTopBottom(int[]);
/// Set cut left and right.
extern void VideoSetCutLeftRight(int[]);
/// Set studio levels.
extern void VideoSetStudioLevels(int);
/// Set background.
extern void VideoSetBackground(uint32_t);
/// Set audio delay.
extern void VideoSetAudioDelay(int);
/// Set auto-crop parameters.
extern void VideoSetAutoCrop(int, int, int);
/// Clear OSD.
extern void VideoOsdClear(void);
/// Draw an OSD ARGB image.
extern void VideoOsdDrawARGB(int, int, int, int, int, const uint8_t *, int,
int);
/// Get OSD size.
extern void VideoGetOsdSize(int *, int *);
/// Set OSD size.
extern void VideoSetOsdSize(int, int);
/// Set Osd 3D Mode
extern void VideoSetOsd3DMode(int);
/// Set video clock.
extern void VideoSetClock(VideoHwDecoder *, int64_t);
/// Get video clock.
extern int64_t VideoGetClock(const VideoHwDecoder *);
/// Set closing flag.
extern void VideoSetClosing(VideoHwDecoder *);
/// Reset start of frame counter
extern void VideoResetStart(VideoHwDecoder *);
/// Set trick play speed.
extern void VideoSetTrickSpeed(VideoHwDecoder *, int);
/// Grab screen.
extern uint8_t *VideoGrab(int *, int *, int *, int);
/// Grab screen raw.
extern uint8_t *VideoGrabService(int *, int *, int *);
/// Get decoder statistics.
extern void VideoGetStats(VideoHwDecoder *, int *, int *, int *, int *);
/// Get video stream size
extern void VideoGetVideoSize(VideoHwDecoder *, int *, int *, int *, int *);
extern void VideoOsdInit(void); ///< Setup osd.
extern void VideoOsdExit(void); ///< Cleanup osd.
extern void VideoInit(const char *); ///< Setup video module.
extern void VideoExit(void); ///< Cleanup and exit video module.
/// Poll video input buffers.
extern int VideoPollInput(VideoStream *);
/// Decode video input buffers.
extern int VideoDecodeInput(VideoStream *);
/// Get number of input buffers.
extern int VideoGetBuffers(const VideoStream *);
/// Set DPMS at Blackscreen switch
extern void SetDPMSatBlackScreen(int);
/// Raise the frontend window
extern int VideoRaiseWindow(void);
/// @}
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