AV_PIX_FMT_YUVA420P9 1339 libavcodec/ffv1enc.c         AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA420P9,
AV_PIX_FMT_YUVA420P9 1127 libavcodec/huffyuvenc.c         AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
AV_PIX_FMT_YUVA420P9  777 libavcodec/libopenjpegenc.c         AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
AV_PIX_FMT_YUVA420P9  431 libavutil/pixfmt.h #define AV_PIX_FMT_YUVA420P9  AV_PIX_FMT_NE(YUVA420P9BE , YUVA420P9LE)