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avformat/utils: Do not overwrite, but use sample_fmt from context 

Fixes Ticket 3759

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-06-09 11:22:01 +02:00
parent 218bb8b3f3
commit 6826f16e4a
1 changed files with 3 additions and 0 deletions
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3
libavformat/utils.c
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@ -3753,6 +3753,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
/* if no packet was ever seen, update context now for has_codec_parameters */
if (!st->internal->avctx_inited) {
if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
st->codecpar->format == AV_SAMPLE_FMT_NONE)
st->codecpar->format = st->internal->avctx->sample_fmt;
ret = avcodec_parameters_to_context(st->internal->avctx, st->codecpar);
if (ret < 0)
goto find_stream_info_err;