From b5d95998ffecafb20811604d36224f8b9dfdeefc Mon Sep 17 00:00:00 2001 From: Michal Novotny Date: Fri, 19 Feb 2021 14:33:25 -0800 Subject: [PATCH] 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 Signed-off-by: Timo Rothenpieler --- libavcodec/cuviddec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/cuviddec.c b/libavcodec/cuviddec.c index 49775b5a09..ec57afdefe 100644 --- a/libavcodec/cuviddec.c +++ b/libavcodec/cuviddec.c @@ -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;