From e225db5d758ccad0fd84bfa0649f77385faafd44 Mon Sep 17 00:00:00 2001 From: Timo Rothenpieler Date: Sat, 13 Oct 2018 23:44:30 +0200 Subject: [PATCH] avcodec/cuviddec: properly take deinterlacing and display delay into account for buffer_full check Signed-off-by: Timo Rothenpieler --- libavcodec/cuvid.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/libavcodec/cuvid.c b/libavcodec/cuvid.c index 2ba8e00c6a..68671f0ecc 100644 --- a/libavcodec/cuvid.c +++ b/libavcodec/cuvid.c @@ -373,7 +373,11 @@ static int cuvid_is_buffer_full(AVCodecContext *avctx) { CuvidContext *ctx = avctx->priv_data; - return (av_fifo_size(ctx->frame_queue) / sizeof(CuvidParsedFrame)) + 2 > ctx->nb_surfaces; + int delay = ctx->cuparseinfo.ulMaxDisplayDelay; + if (ctx->deint_mode != cudaVideoDeinterlaceMode_Weave && !ctx->drop_second_field) + delay *= 2; + + return (av_fifo_size(ctx->frame_queue) / sizeof(CuvidParsedFrame)) + delay >= ctx->nb_surfaces; } static int cuvid_decode_packet(AVCodecContext *avctx, const AVPacket *avpkt)