From 6826f16e4a3629c801396dca3ada8a78fc506e85 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 9 Jun 2016 11:22:01 +0200 Subject: [PATCH] avformat/utils: Do not overwrite, but use sample_fmt from context Fixes Ticket 3759 Signed-off-by: Michael Niedermayer --- libavformat/utils.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/utils.c b/libavformat/utils.c index ff52b5294c..cb8d91008d 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -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;