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proresenc_ks: use chroma sampling in autoselection

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If the chroma planes aren't subsampled, automatically select
the 4:4:4:4 profile.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Christophe Gisquet 2014-08-30 15:04:03 +02:00 committed by Michael Niedermayer
parent c44d8d9552
commit 140f535517
1 changed files with 4 additions and 2 deletions
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6
libavcodec/proresenc_kostya.c
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@ -1148,11 +1148,13 @@ static av_cold int encode_init(AVCodecContext *avctx)
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) {