From 24e90d0c05194ed92c35babf674cb219f5e1377a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= <tomas.hardin@codemill.se>
Date: Thu, 29 Mar 2012 11:48:45 +0200
Subject: [PATCH] mxfenc: Don't allow muxing audio-only since it's not
supported
This fixes muxing audio-only output resulting in SIGFPE due to lack of EditRate.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavformat/mxfenc.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c
index 810c5663bef..b2ef1f3dbd3 100644
--- a/libavformat/mxfenc.c
+++ b/libavformat/mxfenc.c
@@ -1412,12 +1412,13 @@ static int mxf_write_header(AVFormatContext *s)
return AVERROR(ENOMEM);
st->priv_data = sc;
+ if ((i == 0) ^ (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)) {
+ av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
+ return -1;
+ }
+
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
AVRational rate;
- if (i != 0) {
- av_log(s, AV_LOG_ERROR, "video stream must be first track\n");
- return -1;
- }
if (fabs(av_q2d(st->codec->time_base) - 1/25.0) < 0.0001) {
samples_per_frame = PAL_samples_per_frame;
mxf->time_base = (AVRational){ 1, 25 };
--
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