Aegisub/aegisub/VideoSink.h

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/*
* Copyright (c) 2004-2006 Mike Matsnev. All Rights Reserved.
*
* $Id: VideoSink.h,v 1.4 2006/11/12 18:00:20 mike Exp $
*
*/
#ifndef VIDEOSINK_H
#define VIDEOSINK_H
// callback, invoked when a new frame is ready
[uuid("8D9F1DA8-10DB-42fe-8CAC-94A02497B3DD")]
interface IVideoSinkNotify : public IUnknown {
// this may be called on a worker thread!
STDMETHOD(FrameReady)() = 0;
};
// supported bitmap types
#define IVS_RGB24 1
#define IVS_RGB32 2
#define IVS_YUY2 4
#define IVS_YV12 8
typedef void (*ReadFrameFunc)(long long timestamp, unsigned format, unsigned bpp,
const unsigned char *frame, unsigned width, unsigned height, unsigned stride,
unsigned arx, unsigned ary,
void *arg);
[uuid("6B9EFC3E-3841-42ca-ABE5-0F963C638249")]
interface IVideoSink : public IUnknown {
STDMETHOD(SetAllowedTypes)(unsigned types) = 0;
STDMETHOD(GetAllowedTypes)(unsigned *types) = 0;
STDMETHOD(NotifyFrame)(IVideoSinkNotify *notify) = 0;
// failure return means format is not negotiated yet
STDMETHOD(GetFrameFormat)(unsigned *type, unsigned *width, unsigned *height, unsigned *arx, unsigned *ary) = 0;
// S_FALSE return means end of file was reached
STDMETHOD(ReadFrame)(ReadFrameFunc f, void *arg) = 0;
};
[uuid("80CADA0E-DFA5-4fcc-99DD-52F7C1B0E575")]
interface IVideoSink2 : public IUnknown {
STDMETHOD(NotifyFrame)(HANDLE hEvent) = 0;
STDMETHOD(GetFrameFormat)(unsigned *type, unsigned *width, unsigned *height, unsigned *arx, unsigned *ary, long long *def_duration) = 0;
};
#endif