[FFmpeg-devel] [PATCH] avfilter/vf_stack: use time_base from framesync

[Paul B Mahol]

Fixes non-monotonous timestamps.

Signed-off-by: Paul B Mahol <one...@gmail.com>
---
 libavfilter/vf_stack.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/libavfilter/vf_stack.c b/libavfilter/vf_stack.c
index 8731674aa7..b836d96bf0 100644
--- a/libavfilter/vf_stack.c
+++ b/libavfilter/vf_stack.c
@@ -174,7 +174,6 @@ static int config_output(AVFilterLink *outlink)
 {
     AVFilterContext *ctx = outlink->src;
     StackContext *s = ctx->priv;
-    AVRational time_base = ctx->inputs[0]->time_base;
     AVRational frame_rate = ctx->inputs[0]->frame_rate;
     AVRational sar = ctx->inputs[0]->sample_aspect_ratio;
     int height = ctx->inputs[0]->h;
@@ -281,7 +280,6 @@ static int config_output(AVFilterLink *outlink)
 
     outlink->w          = width;
     outlink->h          = height;
-    outlink->time_base  = time_base;
     outlink->frame_rate = frame_rate;
     outlink->sample_aspect_ratio = sar;
 
@@ -301,7 +299,10 @@ static int config_output(AVFilterLink *outlink)
         in[i].after  = s->shortest ? EXT_STOP : EXT_INFINITY;
     }
 
-    return ff_framesync_configure(&s->fs);
+    ret = ff_framesync_configure(&s->fs);
+    outlink->time_base = s->fs.time_base;
+
+    return ret;
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
-- 
2.17.1

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