diff options
Diffstat (limited to 'libswscale/utils.c')
| -rw-r--r-- | libswscale/utils.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c index 89b8a61752..e34188a14a 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -1205,18 +1205,22 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, 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", - av_get_pix_fmt_name(dstFormat)); - flags |= SWS_FULL_CHR_H_INT; - c->flags = flags; + if (!(flags & SWS_FULL_CHR_H_INT)) { + if (c->dither == SWS_DITHER_ED) { + av_log(c, AV_LOG_DEBUG, + "Desired dithering only supported in full chroma interpolation for destination format '%s'\n", + av_get_pix_fmt_name(dstFormat)); + flags |= SWS_FULL_CHR_H_INT; + c->flags = flags; + } } - if (c->dither != SWS_DITHER_ED && (flags & SWS_FULL_CHR_H_INT)) { - av_log(c, AV_LOG_DEBUG, - "Ordered dither is not supported in full chroma interpolation for destination format '%s'\n", - av_get_pix_fmt_name(dstFormat)); - c->dither = SWS_DITHER_ED; + if (flags & SWS_FULL_CHR_H_INT) { + if (c->dither == SWS_DITHER_BAYER) { + av_log(c, AV_LOG_DEBUG, + "Ordered dither is not supported in full chroma interpolation for destination format '%s'\n", + av_get_pix_fmt_name(dstFormat)); + c->dither = SWS_DITHER_ED; + } } } if (isPlanarRGB(dstFormat)) { |