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img2: Allow writing multiple files onto the same output file. 

Fixes Ticket687

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-11-27 15:07:49 +01:00
parent 47044625ba
commit 102a2463d3
1 changed files with 4 additions and 5 deletions
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9
libavformat/img2.c
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@ -391,11 +391,10 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
if (!img->is_pipe) {
if (av_get_frame_filename(filename, sizeof(filename),
img->path, img->img_number) < 0 && img->img_number>1) {
av_log(s, AV_LOG_ERROR,
"Could not get frame filename number %d from pattern '%s'\n",
img->img_number, img->path);
return AVERROR(EINVAL);
img->path, img->img_number) < 0 && img->img_number==2) {
av_log(s, AV_LOG_WARNING,
"Writing multiple frames to the same file, check the pattern '%s' if this is not what you want\n",
img->path);
}
for(i=0; i<3; i++){
if (avio_open2(&pb[i], filename, AVIO_FLAG_WRITE,