Signed-off-by: Philip Langdale <[email protected]>
---
libavcodec/nvenc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index c52beb7..e68bbe9 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -614,6 +614,11 @@ static av_cold int nvenc_encode_init(AVCodecContext *avctx)
memcpy(&ctx->encode_config, &preset_config.presetCfg,
sizeof(ctx->encode_config));
ctx->encode_config.version = NV_ENC_CONFIG_VER;
+ if (avctx->refs >= 0) {
+ /* 0 means "let the hardware decide" */
+ ctx->encode_config.encodeCodecConfig.h264Config.maxNumRefFrames =
avctx->refs;
+ }
+
/* 0 is intra-only, 1 is I/P only, 2 is one B Frame, 3 two B frames, and
so on. */
ctx->encode_config.frameIntervalP = avctx->max_b_frames + 1;
--
2.1.0
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