1 --- a/libavformat/yuv4mpegenc.c
2 +++ b/libavformat/yuv4mpegenc.c
4 av_log(s, AV_LOG_ERROR, "'%s' is not an official yuv4mpegpipe pixel format. "
5 "Use '-strict -1' to encode to this pixel format.\n",
6 av_get_pix_fmt_name(s->streams[0]->codecpar->format));
7 - return AVERROR(EINVAL);
8 + //return AVERROR(EINVAL);
10 av_log(s, AV_LOG_WARNING, "Warning: generating non standard YUV stream. "
11 "Mjpegtools will not work.\n");