2019-01-30 16:41 GMT+01:00, Hristo Ivanov <[email protected]>: > Hi. > > In my program I have the following filter: > " > [in0]format=pix_fmts=yuv420p,scale=-1:540[s0]; > [in1]format=pix_fmts=yuv420p,scale=-1:540[s1]; > [s0][s1]vstack[stacked]; > [stacked]pad=1920:1080:(ow-iw)/2:0[out0] > " > > My problem comes from the 'vstack' filter. The stack filters assign the > same synclevel to all of their inputs, libavfilter/vf_stack.c around line > 290: > for (i = 0; i < s->nb_inputs; i++) { > AVFilterLink *inlink = ctx->inputs[i]; > > in[i].time_base = inlink->time_base; > in[i].sync = 1; // This line here is the important. > in[i].before = EXT_STOP; > in[i].after = s->shortest ? EXT_STOP : EXT_INFINITY; > } > > return ff_framesync_configure(&s->fs); > > With the same synclevel on all the inputs, the framesync filter activates > on all the inputs, which has the following undesired effect: > Being bought of the inputs(in0, in1) at 30fps, the output(out0) is at > ~60fps.
How can I reproduce this (major?) issue with ffmpeg (the application)? Carl Eugen _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
