static void setup_stream(APEG_LAYER *layer)
{
// Set quality level
layer->quality = quality;
layer->multiple = 1.0f;
// Set stream type
check_stream_type(layer);
// No frames decoded, frame not updated
layer->stream.frame = 0;
layer->stream.frame_updated = -1;
_apeg_start_audio(layer, TRUE);
if((layer->stream.flags&APEG_HAS_VIDEO))
{
if(layer->system_stream_flag != OGG_SYSTEM)
{
if(apeg_get_header(layer) != 1)
apeg_error_jump("No video in stream");
// Initialize the stream
initialize_stream(layer);
// Decode the first frame(doesn't display!)
apeg_get_frame(layer);
}
// Start the timer
if(layer->stream.frame_rate <= 0.0)
apeg_error_jump("Illegal frame rate in stream");
install_param_int_ex(timer_proc, (void*)&(layer->stream.timer),
FPS_TO_TIMER(layer->stream.frame_rate));
// Reset the timer and return the stream
layer->stream.timer = -1;
}
}
void apeg_set_stream_rate(APEG_STREAM *stream, float multiple)
{
if(multiple < 0.0f)
return;
if((stream->flags&APEG_HAS_AUDIO))
_apeg_audio_set_speed_multiple((APEG_LAYER*)stream, multiple);
if((stream->flags&APEG_HAS_VIDEO))
{
// Make sure the multiple is large enough
float fps = stream->frame_rate * multiple;
if(fps > 0.0f)
install_param_int_ex(timer_proc, (void*)&(stream->timer),
FPS_TO_TIMER(fps));
else
remove_param_int(timer_proc, (void*)&(stream->timer));
}
((APEG_LAYER*)stream)->multiple = multiple;
}
void Timer::start()
{
install_param_int_ex( Timer::tick, this, BPS_TO_TIMER( frequency ) );
}
