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ffmpeg: explicitly write headers for files with no streams 

Recent changes to ffmpeg.c tied output file init to stream init, which broke
stream-less files, specifically ffmetadata output.
This commit is contained in:
Hendrik Leppkes 2016-10-07 15:44:39 +02:00
parent 572f16e100
commit ab7e83efed
1 changed files with 10 additions and 0 deletions
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ffmpeg.c
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@ -3460,6 +3460,16 @@ static int transcode_init(void)
}
}
/* write headers for files with no streams */
for (i = 0; i < nb_output_files; i++) {
oc = output_files[i]->ctx;
if (oc->oformat->flags & AVFMT_NOSTREAMS && oc->nb_streams == 0) {
ret = check_init_output_file(output_files[i], i);
if (ret < 0)
goto dump_format;
}
}
dump_format:
/* dump the stream mapping */
av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");