CODEC_TYPE_ATTACHMENT 2921 ffmpeg.c               case CODEC_TYPE_ATTACHMENT:
CODEC_TYPE_ATTACHMENT 2971 ffmpeg.c                   case CODEC_TYPE_ATTACHMENT:
CODEC_TYPE_ATTACHMENT  817 libavcodec/utils.c     case CODEC_TYPE_ATTACHMENT:
CODEC_TYPE_ATTACHMENT 1416 libavformat/matroskadec.c             st->codec->codec_type = CODEC_TYPE_ATTACHMENT;