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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-12-12 01:47:46 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-12-12 02:00:31 +0100 |
| commit | e1540cdf0703970279dc989fa0bf65c04a94564e (patch) | |
| tree | 48349a7b6ee312c1b61ca99b5d37f8c622501384 | |
| parent | 5172782352118c72060187296d411e38e3df9d34 (diff) | |
| download | ffmpeg-e1540cdf0703970279dc989fa0bf65c04a94564e.tar.gz | |
avfilter/vf_uspp: use the average QP instead of QP[0]
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavfilter/vf_uspp.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/libavfilter/vf_uspp.c b/libavfilter/vf_uspp.c index 8352a12d16..218ee7727b 100644 --- a/libavfilter/vf_uspp.c +++ b/libavfilter/vf_uspp.c @@ -227,8 +227,16 @@ static void filter(USPPContext *p, uint8_t *dst[3], uint8_t *src[3], if (p->qp) p->frame->quality = p->qp * FF_QP2LAMBDA; - else - p->frame->quality = norm_qscale(qp_store[0], p->qscale_type) * FF_QP2LAMBDA; + else { + int qpsum=0; + int qpcount = (height>>4) * (height>>4); + + for (y = 0; y < (height>>4); y++) { + for (x = 0; x < (width>>4); x++) + qpsum += qp_store[x + y * qp_stride]; + } + p->frame->quality = norm_qscale((qpsum + qpcount/2) / qpcount, p->qscale_type) * FF_QP2LAMBDA; + } // init per MB qscale stuff FIXME p->frame->height = height; p->frame->width = width; |