int apeg_play_mpg_ex(void *ptr, BITMAP *bmp, int loop, int (*callback)(BITMAP*))
{
int ret;
Initialize_Decoder();
apeg_stream = apeg_open_stream_ex(ptr);
if(!apeg_stream)
return APEG_ERROR;
if(bmp)
clear_to_color(bmp, makecol(0, 0, 0));
if(callback)
callback_proc = callback;
else
callback_proc = default_callback;
restart_loop:
ret = decode_stream((APEG_LAYER*)apeg_stream, bmp);
if(loop && ret == APEG_OK)
{
apeg_reset_stream(apeg_stream);
goto restart_loop;
}
apeg_close_stream(apeg_stream);
apeg_stream = NULL;
return ret;
}
int apeg_play_apeg_stream(APEG_STREAM *stream_to_play, BITMAP *bmp, int loop, int (*callback)(BITMAP*tempBuffer))
{
int ret = APEG_OK;
apeg_stream = stream_to_play;
Initialize_Decoder();
if(bmp)
clear_to_color(bmp, makecol(0, 0, 0));
// Install the callback function
if(callback)
callback_proc = callback;
else
callback_proc = default_callback;
restart_loop:
ret = decode_stream((APEG_LAYER*)apeg_stream, bmp);
if(loop && ret == APEG_OK)
{
apeg_reset_stream(apeg_stream);
goto restart_loop;
}
apeg_stream = NULL;
return ret;
}
void VideoManager::unloadVideo()
{
if ( cmov != NULL )
{
apeg_reset_stream(cmov);
apeg_close_stream(cmov);
}
if ( videoBuffer != NULL )
{
free(videoBuffer);
}
videoBuffer = NULL;
cmov = NULL;
}
int apeg_advance_stream(APEG_STREAM *stream, int loop)
{
APEG_LAYER *layer = (APEG_LAYER*)stream;
int ret;
// Set the jump buffer
if((ret = setjmp(jmp_buffer)) != 0)
return ret;
layer->stream.frame_updated = -1;
layer->stream.audio.flushed = FALSE;
ret = APEG_OK;
if((layer->stream.flags&APEG_HAS_AUDIO) && layer->multiple > 0.0)
{
ret = _apeg_audio_poll(layer);
if((layer->stream.flags&APEG_HAS_VIDEO))
{
int t = _apeg_audio_get_position(layer);
if(t >= 0)
layer->stream.timer = (double)t*stream->frame_rate/
(double)stream->audio.freq -
stream->frame;
}
}
if((layer->stream.flags&APEG_HAS_VIDEO))
{
if(!layer->picture)
{
if((layer->stream.flags&APEG_MPG_VIDEO))
{
// Get the next MPEG header
if(apeg_get_header(layer) == 1)
{
// Decode the next picture
if(layer->picture_type != B_TYPE ||
!framedrop || layer->stream.timer <= 1)
layer->picture = apeg_get_frame(layer);
}
// If end of stream, display the last frame
else if((!framedrop || layer->stream.timer <= 1) &&
!layer->got_last)
{
layer->got_last = TRUE;
layer->picture = layer->backward_frame;
}
}
else
layer->picture = altheora_get_frame(layer);
if(pack_feof(layer->pf) && (!(layer->stream.flags&APEG_HAS_AUDIO)||
layer->multiple==0.0 ||
ret!=APEG_OK))
ret = APEG_EOF;
}
if(layer->stream.timer > 0)
{
// Update frame and timer count
++(layer->stream.frame);
--(layer->stream.timer);
// If we're not behind, update the display frame
layer->stream.frame_updated = 0;
if(layer->picture && (!framedrop || layer->stream.timer == 0))
apeg_display_frame(layer, layer->picture);
layer->picture = NULL;
}
if(layer->stream.frame_updated == 1 || layer->picture)
ret = APEG_OK;
}
if(ret == APEG_EOF && loop)
ret = apeg_reset_stream((APEG_STREAM*)layer);
return ret;
}
