avcodec/cuviddec: set ulMaxDisplayDelay to zero if low_delay flag is set

Zero is the recommended value in Nvidia coding samples for low latency use-cases.

Signed-off-by: Michal Novotny <michal.novotny@comprimato.com>
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
This commit is contained in:
Michal Novotny 2021-02-19 14:33:25 -08:00 committed by Timo Rothenpieler
parent a0949d0bcb
commit b5d95998ff

View File

@ -999,7 +999,7 @@ static av_cold int cuvid_decode_init(AVCodecContext *avctx)
}
ctx->cuparseinfo.ulMaxNumDecodeSurfaces = ctx->nb_surfaces;
ctx->cuparseinfo.ulMaxDisplayDelay = 4;
ctx->cuparseinfo.ulMaxDisplayDelay = (avctx->flags & AV_CODEC_FLAG_LOW_DELAY) ? 0 : 4;
ctx->cuparseinfo.pUserData = avctx;
ctx->cuparseinfo.pfnSequenceCallback = cuvid_handle_video_sequence;
ctx->cuparseinfo.pfnDecodePicture = cuvid_handle_picture_decode;