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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>
This commit is contained in:
Tomas Härdin 2012-03-29 11:48:45 +02:00 committed by Michael Niedermayer
parent b61e596a14
commit 24e90d0c05
1 changed files with 5 additions and 4 deletions
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9
libavformat/mxfenc.c
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@ -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 };