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Fix video recording sync drift (patch refactored but original author unknown)

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This commit is contained in:
Tim Angus 2013-11-02 19:11:14 +00:00
parent ae0e09aba9
commit 7ae49cc237
3 changed files with 15 additions and 6 deletions
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10
code/client/cl_main.c
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@ -2940,13 +2940,13 @@ void CL_Frame ( int msec ) {
if ( CL_VideoRecording( ) && cl_aviFrameRate->integer && msec) {
// save the current screen
if ( clc.state == CA_ACTIVE || cl_forceavidemo->integer) {
float fps = MIN(cl_aviFrameRate->value * com_timescale->value, 1000.0f);
float frameDuration = MAX(1000.0f / fps, 1.0f) + clc.aviVideoFrameRemainder;
CL_TakeVideoFrame( );
// fixed time for next frame'
msec = (int)ceil( (1000.0f / cl_aviFrameRate->value) * com_timescale->value );
if (msec == 0) {
msec = 1;
}
msec = (int)frameDuration;
clc.aviVideoFrameRemainder = frameDuration - msec;
}
}

3
code/client/client.h
View file

@ -233,6 +233,9 @@ typedef struct {
int timeDemoMaxDuration; // maximum frame duration
unsigned char timeDemoDurations[ MAX_TIMEDEMO_DURATIONS ]; // log of frame durations
float aviVideoFrameRemainder;
float aviSoundFrameRemainder;
#ifdef USE_VOIP
qboolean voipEnabled;
qboolean speexInitialized;

8
code/client/snd_dma.c
View file

@ -1242,7 +1242,13 @@ void S_GetSoundtime(void)
if( CL_VideoRecording( ) )
{
s_soundtime += (int)ceil( dma.speed / cl_aviFrameRate->value );
float fps = MIN(cl_aviFrameRate->value, 1000.0f);
float frameDuration = MAX(dma.speed / fps, 1.0f) + clc.aviSoundFrameRemainder;
int msec = (int)frameDuration;
s_soundtime += msec;
clc.aviSoundFrameRemainder = frameDuration - msec;
return;
}