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Make the image2 demuxer log more verbose 

Add an error message in case the user requests to write more than one file
and the path does not contain a "%d" or "%0Nd" pattern.

Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
(cherry picked from commit 4fc9ff0ad6)
This commit is contained in:
Stefano Sabatini 2011-01-26 23:03:38 +01:00 committed by Michael Niedermayer
parent 6aef89d54e
commit b5a7100ad3
1 changed files with 3 additions and 1 deletions
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4
libavformat/img2.c
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@ -347,7 +347,9 @@ 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 from pattern\n");
av_log(s, AV_LOG_ERROR,
"Could not get frame filename number %d from pattern '%s'\n",
img->img_number, img->path);
return AVERROR(EIO);
}
for(i=0; i<3; i++){