fixed av1 error report and handled broken ivf files with looping timestamps
fixed av1 error report and handled broken ivf files with looping timestamps

RodolpheFouquet/gpac,gpac/gpac,rbouqueau/gpac,RodolpheFouquet/gpac,gpac/gpac,rbouqueau/gpac,rbouqueau/gpac,RodolpheFouquet/gpac,gpac/gpac,rbouqueau/gpac,gpac/gpac,rbouqueau/gpac,gpac/gpac,gpac/gpac,rbouqueau/gpac,RodolpheFouquet/gpac,RodolpheFouquet/gpac,gpac/gpac,rbouqueau/gpac,gpac/gpac,RodolpheFouquet/gpac,rbouqueau/gpac