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>
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++){