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vcomp/lavc: warn if JPEG XS is encoding Y444

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This won't work if on the other end the jpegxs decoder (preferred)
is compiled in because it assumes RGB while lavc encodes YUV.
This commit is contained in:
Martin Pulec
2026-02-19 10:39:58 +01:00
parent 283a41d0c2
commit 2e9adcfa67
1 changed files with 8 additions and 0 deletions
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8
src/video_compress/libavcodec.cpp
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@@ -1821,6 +1821,14 @@ setparam_oapv(AVCodecContext */*codec_ctx*/, struct setparam_param *param)
static void
setparam_jxs(AVCodecContext * /* codec_ctx */, struct setparam_param *param)
{
const struct AVPixFmtDescriptor *pd = av_pix_fmt_desc_get(param->av_pix_fmt);
if (pd->log2_chroma_w == 0 && pd->log2_chroma_h == 0 &&
(pd->flags & AV_PIX_FMT_FLAG_RGB) == 0) {
MSG(ERROR,
"JPEG XS is going to to encode YUV 444 is discouraged "
"- use jpegxs encoder directly!\n");
}
unsigned decomp_v = 0;
if (param->lavc_opts.find("decomp_v") == param->lavc_opts.end()) {
unsigned height = param->desc.height;