diff options
| -rw-r--r-- | libavformat/img2enc.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/libavformat/img2enc.c b/libavformat/img2enc.c index 133487288e..0224fb5b0d 100644 --- a/libavformat/img2enc.c +++ b/libavformat/img2enc.c @@ -163,13 +163,17 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt) } } else if (av_get_frame_filename2(filename, sizeof(filename), s->url, img->img_number, - AV_FRAME_FILENAME_FLAGS_MULTIPLE) < 0 && - img->img_number > img->start_img_number) { - av_log(s, AV_LOG_ERROR, - "Could not get frame filename number %d from pattern '%s'. " - "Use '-frames:v 1' for a single image, or '-update' option, or use a pattern such as %%03d within the filename.\n", - img->img_number, s->url); - return AVERROR(EINVAL); + AV_FRAME_FILENAME_FLAGS_MULTIPLE) < 0) { + if (img->img_number == img->start_img_number) { + av_log(s, AV_LOG_WARNING, "The specified filename '%s' does not contain an image sequence pattern or a pattern is invalid.\n", s->url); + av_log(s, AV_LOG_WARNING, + "Use a pattern such as %%03d for an image sequence or " + "use the -update option (with -frames:v 1 if needed) to write a single image.\n"); + av_strlcpy(filename, s->url, sizeof(filename)); + } else { + av_log(s, AV_LOG_ERROR, "Cannot write more than one file with the same name. Are you missing the -update option or a sequence pattern?\n"); + return AVERROR(EINVAL); + } } for (i = 0; i < 4; i++) { av_dict_copy(&options, img->protocol_opts, 0); |