From d1d18de6ade3ad5690f1eba9e005bab797d94ac6 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 17 Nov 2016 23:29:00 +0100 Subject: [PATCH] avcodec/ffv1dec: Set packed_at_lsb for 16bit YUV This avoids unneeded computations Signed-off-by: Michael Niedermayer --- libavcodec/ffv1dec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index b5fb825102..358da1701f 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -637,12 +637,14 @@ static int read_header(FFV1Context *f) case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUVA420P10; break; } } else if (f->avctx->bits_per_raw_sample == 16 && !f->transparency){ + f->packed_at_lsb = 1; switch(16 * f->chroma_h_shift + f->chroma_v_shift) { case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUV444P16; break; case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUV422P16; break; case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUV420P16; break; } } else if (f->avctx->bits_per_raw_sample == 16 && f->transparency){ + f->packed_at_lsb = 1; switch(16 * f->chroma_h_shift + f->chroma_v_shift) { case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUVA444P16; break; case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUVA422P16; break;