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Add profiling prints for audio synch to detect how continuous our frame 

progression is
This commit is contained in:
Antonis Ryakiotakis 2015-03-27 15:00:01 +01:00
parent 74e8e14cce
commit 7b7eac9211
1 changed files with 20 additions and 0 deletions
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20
source/blender/editors/screen/screen_ops.c
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@ -3413,10 +3413,17 @@ static int match_region_with_redraws(int spacetype, int regiontype, int redraws)
return 0;
}
//#define PROFILE_AUDIO_SYNCH
static int screen_animation_step(bContext *C, wmOperator *UNUSED(op), const wmEvent *event)
{
bScreen *screen = CTX_wm_screen(C);
#ifdef PROFILE_AUDIO_SYNCH
static int old_frame = 0;
int newfra_int;
#endif
if (screen->animtimer && screen->animtimer == event->customdata) {
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
@ -3438,11 +3445,24 @@ static int screen_animation_step(bContext *C, wmOperator *UNUSED(op), const wmEv
finite(time = BKE_sound_sync_scene(scene)))
{
double newfra = (double)time * FPS;
/* give some space here to avoid jumps */
if (newfra + 0.5 > scene->r.cfra && newfra - 0.5 < scene->r.cfra)
scene->r.cfra++;
else
scene->r.cfra = newfra + 0.5;
#ifdef PROFILE_AUDIO_SYNCH
newfra_int = scene->r.cfra;
if (newfra_int < old_frame) {
printf("back jump detected, frame %d!\n", newfra_int);
}
else if (newfra_int > old_frame + 1) {
printf("forward jump detected, frame %d!\n", newfra_int);
}
fflush(stdout);
old_frame = newfra_int;
#endif
}
else {
if (sync) {