From ff0c559329bd3fc8c63215b835ba65791e85a0da Mon Sep 17 00:00:00 2001 From: Philip Langdale Date: Sat, 24 Jan 2015 12:52:58 -0800 Subject: [PATCH] nvenc: Propagate desired number of reference frames. Reviewed-by: Timo Rothenpieler Signed-off-by: Michael Niedermayer --- libavcodec/nvenc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c index 7d82d58c3c..16ef93ff82 100644 --- a/libavcodec/nvenc.c +++ b/libavcodec/nvenc.c @@ -590,6 +590,11 @@ 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; + } + if (avctx->gop_size >= 0) { ctx->encode_config.gopLength = avctx->gop_size; ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = avctx->gop_size;