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avcodec/nvenc: fix AV1 darWidth/Height calculation

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nvenc uses the darWidth/Height fields for the AV1 render_width/height
instead, so a different calculation is needed.
This commit is contained in:
Timo Rothenpieler 2022-11-10 13:05:59 +01:00
parent 05721c5df8
commit e7fbdda64e
1 changed files with 20 additions and 0 deletions
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20
libavcodec/nvenc.c
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@ -34,6 +34,7 @@
#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
#include "libavutil/mathematics.h"
#include "atsc_a53.h"
#include "encode.h"
#include "internal.h"
@ -1454,6 +1455,25 @@ static void compute_dar(AVCodecContext *avctx, int *dw, int *dh) {
sw = avctx->width;
sh = avctx->height;
#if CONFIG_AV1_NVENC_ENCODER
if (avctx->codec->id == AV_CODEC_ID_AV1) {
/* For AV1 we actually need to calculate the render width/height, not the dar */
if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0
&& avctx->sample_aspect_ratio.num != avctx->sample_aspect_ratio.den)
{
if (avctx->sample_aspect_ratio.num > avctx->sample_aspect_ratio.den) {
sw = av_rescale(sw, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
} else {
sh = av_rescale(sh, avctx->sample_aspect_ratio.den, avctx->sample_aspect_ratio.num);
}
}
*dw = sw;
*dh = sh;
return;
}
#endif
if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0) {
sw *= avctx->sample_aspect_ratio.num;
sh *= avctx->sample_aspect_ratio.den;