AV_SYNC_EXTERNAL_CLOCK 1024 ffplay.c                is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
AV_SYNC_EXTERNAL_CLOCK 1510 ffplay.c                is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
AV_SYNC_EXTERNAL_CLOCK 2445 ffplay.c               av_sync_type = AV_SYNC_EXTERNAL_CLOCK;