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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef LIBS_VIDEO_VIDEODEC_H_
#define LIBS_VIDEO_VIDEODEC_H_
#include "libs/vidlib.h"
#include "libs/video/video.h"
#include "libs/reslib.h"
// forward-declare
typedef struct tfb_videodecoder TFB_VideoDecoder;
#define THIS_PTR TFB_VideoDecoder*
typedef struct tfb_videodecoderfunc
{
const char* (* GetName) (void);
bool (* InitModule) (int flags);
void (* TermModule) (void);
uint32 (* GetStructSize) (void);
int (* GetError) (THIS_PTR);
bool (* Init) (THIS_PTR, TFB_PixelFormat* fmt);
void (* Term) (THIS_PTR);
bool (* Open) (THIS_PTR, uio_DirHandle *dir, const char *filename);
void (* Close) (THIS_PTR);
int (* DecodeNext) (THIS_PTR);
uint32 (* SeekFrame) (THIS_PTR, uint32 frame);
float (* SeekTime) (THIS_PTR, float time);
uint32 (* GetFrame) (THIS_PTR);
float (* GetTime) (THIS_PTR);
} TFB_VideoDecoderFuncs;
// decoder will call these to get info
// from the player
typedef struct tfb_videocallbacks
{
// any decoder calls these
void (* BeginFrame) (THIS_PTR);
void (* EndFrame) (THIS_PTR);
void* (* GetCanvasLine) (THIS_PTR, uint32 line);
// non-audio-driven decoders call this to figure out
// when the next frame should be drawn
uint32 (* GetTicks) (THIS_PTR);
// non-audio-driven decoders call this to inform
// the player when the next frame should be drawn
bool (* SetTimer) (THIS_PTR, uint32 msecs);
} TFB_VideoCallbacks;
#undef THIS_PTR
struct tfb_videodecoder
{
// decoder virtual funcs - R/O
const TFB_VideoDecoderFuncs *funcs;
// video formats - R/O
const TFB_PixelFormat *format;
// decoder-set data - R/O
uint32 w, h;
float length; // total length in seconds
uint32 frame_count;
uint32 interframe_wait; // nominal interframe delay in msecs
bool audio_synced;
// decoder callbacks
TFB_VideoCallbacks callbacks;
// other - public
bool looping;
void* data; // user-defined data
// info - public R/O
sint32 error;
float pos; // position in seconds
uint32 cur_frame;
// semi-private
uio_DirHandle *dir;
char *filename;
};
// return values
enum
{
VIDEODECODER_OK,
VIDEODECODER_ERROR,
VIDEODECODER_EOF,
};
typedef struct TFB_RegVideoDecoder TFB_RegVideoDecoder;
TFB_RegVideoDecoder* VideoDecoder_Register (const char* fileext,
TFB_VideoDecoderFuncs* decvtbl);
void VideoDecoder_Unregister (TFB_RegVideoDecoder* regdec);
const TFB_VideoDecoderFuncs* VideoDecoder_Lookup (const char* fileext);
bool VideoDecoder_Init (int flags, int depth, uint32 Rmask, uint32 Gmask,
uint32 Bmask, uint32 Amask);
void VideoDecoder_Uninit (void);
TFB_VideoDecoder* VideoDecoder_Load (uio_DirHandle *dir,
const char *filename);
int VideoDecoder_Decode (TFB_VideoDecoder *decoder);
float VideoDecoder_Seek (TFB_VideoDecoder *decoder, float time_pos);
uint32 VideoDecoder_SeekFrame (TFB_VideoDecoder *decoder, uint32 frame_pos);
void VideoDecoder_Rewind (TFB_VideoDecoder *decoder);
void VideoDecoder_Free (TFB_VideoDecoder *decoder);
const char* VideoDecoder_GetName (TFB_VideoDecoder *decoder);
#endif // LIBS_VIDEO_VIDEODEC_H_
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