This is required in chained muxers, if the SAR happens to be set.
---
libavformat/smoothstreamingenc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavformat/smoothstreamingenc.c b/libavformat/smoothstreamingenc.c
index 08e6526..339a9bb 100644
--- a/libavformat/smoothstreamingenc.c
+++ b/libavformat/smoothstreamingenc.c
@@ -239,6 +239,7 @@ static int ism_write_header(AVFormatContext *s)
goto fail;
}
avcodec_copy_context(st->codec, s->streams[i]->codec);
+ st->sample_aspect_ratio = s->streams[i]->sample_aspect_ratio;
ctx->pb = avio_alloc_context(os->iobuf, sizeof(os->iobuf),
AVIO_FLAG_WRITE, os, NULL, ism_write, ism_seek);
if (!ctx->pb) {
--
1.7.9.4
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