From 8c50ea2251b57d9200d079f33648712965a46fd8 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 19 Aug 2013 18:29:40 +0200 Subject: [PATCH] swscale: set dither to a specific value for rgb/bgr8 output Signed-off-by: Michael Niedermayer --- libswscale/utils.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libswscale/utils.c b/libswscale/utils.c index 3303dcbeaa..89b8a61752 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -1203,6 +1203,8 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, dstFormat == AV_PIX_FMT_RGB4_BYTE || dstFormat == AV_PIX_FMT_BGR8 || dstFormat == AV_PIX_FMT_RGB8) { + if (c->dither == SWS_DITHER_AUTO) + c->dither = (flags & SWS_FULL_CHR_H_INT) ? SWS_DITHER_ED : SWS_DITHER_BAYER; if (c->dither == SWS_DITHER_ED && !(flags & SWS_FULL_CHR_H_INT)) { av_log(c, AV_LOG_DEBUG, "Error diffusion dither is only supported in full chroma interpolation for destination format '%s'\n",