AVOutputFormat ff_framecrc_muxer = {
.name = "framecrc",
.long_name = NULL_IF_CONFIG_SMALL("framecrc testing format"),
- .extensions = "",
.audio_codec = CODEC_ID_PCM_S16LE,
.video_codec = CODEC_ID_RAWVIDEO,
.write_packet = framecrc_write_packet,
+ .flags = AVFMT_VARIABLE_FPS,
};