[FFmpeg-devel] [PATCH 3/9] avcodec/videotoolbox: h264 decoder on iOS is unable to decode interlaced video

Carl Eugen Hoyos ceffmpeg at gmail.com
Tue Sep 26 14:20:01 EEST 2017

2017-09-26 2:36 GMT+02:00 Aman Gupta <ffmpeg at tmm1.net>:

> +   case kCMVideoCodecType_H264 : {
> +      H264Context *h = avctx->priv_data;
> +      if (TARGET_OS_IPHONE && h->ps.sps->frame_mbs_only_flag == 0) {

I believe that for DVB 1080 transmissions the flag is
never set even for progressive frames, so this has
to be conditional depending on a new user option.
Imo, the default should be not to abort but others may

Carl Eugen

More information about the ffmpeg-devel mailing list