return AVERROR(EINVAL);
}
if (ctx->profile == PRORES_PROFILE_AUTO) {
- ctx->profile = av_pix_fmt_desc_get(avctx->pix_fmt)->flags & AV_PIX_FMT_FLAG_ALPHA
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
+ ctx->profile = (desc->flags & AV_PIX_FMT_FLAG_ALPHA ||
+ !(desc->log2_chroma_w + desc->log2_chroma_h))
? PRORES_PROFILE_4444 : PRORES_PROFILE_HQ;
av_log(avctx, AV_LOG_INFO, "Autoselected %s. It can be overridden "
"through -profile option.\n", ctx->profile == PRORES_PROFILE_4444
- ? "4:4:4:4 profile because of the alpha channel"
+ ? "4:4:4:4 profile because of the used input colorspace"
: "HQ profile to keep best quality");
}
if (av_pix_fmt_desc_get(avctx->pix_fmt)->flags & AV_PIX_FMT_FLAG_ALPHA) {