AV_FIELD_BT      1035 ffmpeg.c                   mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
AV_FIELD_BT      1056 ffmpeg.c                       mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
AV_FIELD_BT       493 libavcodec/options_table.h {"bt", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AV_FIELD_BT }, 0, 0, V|D|E, "field_order" },
AV_FIELD_BT      1070 libavformat/mov.c         case 0x0E: decoded_field_order = AV_FIELD_BT;
AV_FIELD_BT        54 libavformat/yuv4mpegenc.c     case AV_FIELD_BT: