From d7a3bb2088679623db70eaa432e7e3563cbd561d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 17 Nov 2016 23:21:37 +0100 Subject: [PATCH] avcodec/ffv1dec: Support gray 10/12/16 explicitly avoid shifts Signed-off-by: Michael Niedermayer --- libavcodec/ffv1dec.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index 0719e2822d..b5fb825102 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -575,8 +575,19 @@ static int read_header(FFV1Context *f) if (!f->transparency && !f->chroma_planes) { if (f->avctx->bits_per_raw_sample <= 8) f->avctx->pix_fmt = AV_PIX_FMT_GRAY8; - else + else if (f->avctx->bits_per_raw_sample == 10) { + f->packed_at_lsb = 1; + f->avctx->pix_fmt = AV_PIX_FMT_GRAY10; + } else if (f->avctx->bits_per_raw_sample == 12) { + f->packed_at_lsb = 1; + f->avctx->pix_fmt = AV_PIX_FMT_GRAY12; + } else if (f->avctx->bits_per_raw_sample == 16) { + f->packed_at_lsb = 1; + f->avctx->pix_fmt = AV_PIX_FMT_GRAY16; + } else if (f->avctx->bits_per_raw_sample < 16) { f->avctx->pix_fmt = AV_PIX_FMT_GRAY16; + } else + return AVERROR(ENOSYS); } else if (f->transparency && !f->chroma_planes) { if (f->avctx->bits_per_raw_sample <= 8) f->avctx->pix_fmt = AV_PIX_FMT_YA8; -- 2.11.0