[FFmpeg-trac] #11182(swscale:closed): yuvtestsrc and yuv444p->rgba->yuv444p conversion result in huge difference
FFmpeg
trac at avcodec.org
Sat Sep 14 02:14:24 EEST 2024
#11182: yuvtestsrc and yuv444p->rgba->yuv444p conversion result in huge difference
-------------------------------------+-------------------------------------
Reporter: Andrew-R | Owner: (none)
Type: defect | Status: closed
Priority: normal | Component: swscale
Version: unspecified | Resolution: invalid
Keywords: colorspace | Blocked By:
color_primaries |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by MasterQuestionable):
͏ "Why it calls limited to full if src already in full range?"
<!^> Looks like a valid bug?
͏ But the formatting...
͏ `diff --git "a/libswscale/swscale.c" "b/libswscale/swscale.c"`
͏ index df0d5708aa..c33082ca2a 100644
{{{#!diff
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -538,9 +538,12 @@ av_cold void ff_sws_init_range_convert(SwsContext *c)
if (c->srcRange != c->dstRange && !isAnyRGB(c->dstFormat)) {
if (c->dstBpc <= 14) {
if (c->srcRange) {
+ printf("luma range from full to limied\n");
c->lumConvertRange = lumRangeFromJpeg_c;
c->chrConvertRange = chrRangeFromJpeg_c;
} else {
+ printf("luma range from limited to full, srcrange %i
dstrange = %i \n", c->srcRange, c->dstRange);
+
c->lumConvertRange = lumRangeToJpeg_c;
c->chrConvertRange = chrRangeToJpeg_c;
}
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11182#comment:34>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list