From 1654ca7d4e233d4502fcc1ea3ba7ea8dbf025872 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 6 Sep 2014 03:13:57 +0200 Subject: [PATCH] avcodec/mjpegdec: fix rounding of chroma_height Fixes green line at the bottom Fixes Ticket3913 Signed-off-by: Michael Niedermayer --- libavcodec/mjpegdec.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index c3a3b86e4e..827c24de81 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -468,7 +468,7 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s) else goto unk_pixfmt; s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; - s->chroma_height = s->height / 2; + s->chroma_height = (s->height + 1) / 2; break; case 0x11000000: case 0x13000000: @@ -492,7 +492,7 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s) else goto unk_pixfmt; s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; - s->chroma_height = s->height / 2; + s->chroma_height = (s->height + 1) / 2; break; case 0x21111100: if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV422P : AV_PIX_FMT_YUVJ422P; @@ -513,7 +513,7 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s) s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; if (pix_fmt_id == 0x42111100) { s->upscale_h = 6; - s->chroma_height = s->height / 2; + s->chroma_height = (s->height + 1) / 2; } break; case 0x41111100: -- 2.11.0