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avfilter/vf_stack: make it possible to stop with shortest stream

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol
2015-11-26 09:56:43 +01:00
parent 9078a694f3
commit a330430238
2 changed files with 11 additions and 1 deletions
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libavfilter/vf_stack.c
+3 -1
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@@ -33,6 +33,7 @@ typedef struct StackContext {
const AVClass *class;
const AVPixFmtDescriptor *desc;
int nb_inputs;
int shortest;
int is_vertical;
int nb_planes;
@@ -199,7 +200,7 @@ static int config_output(AVFilterLink *outlink)
in[i].time_base = inlink->time_base;
in[i].sync = 1;
in[i].before = EXT_STOP;
in[i].after = EXT_INFINITY;
in[i].after = s->shortest ? EXT_STOP : EXT_INFINITY;
}
return ff_framesync_configure(&s->fs);
@@ -222,6 +223,7 @@ static av_cold void uninit(AVFilterContext *ctx)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
static const AVOption stack_options[] = {
{ "inputs", "set number of inputs", OFFSET(nb_inputs), AV_OPT_TYPE_INT, {.i64=2}, 2, INT_MAX, .flags = FLAGS },
{ "shortest", "force termination when the shortest input terminates", OFFSET(shortest), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, .flags = FLAGS },
{ NULL },
};