From c25f0592aeb0dce00a209e9c0906f9f70260411c Mon Sep 17 00:00:00 2001 From: Ryan Foster Date: Thu, 18 Jan 2024 17:52:42 -0500 Subject: [PATCH] obs-ffmpeg: Use 2 tile columns in NVENC AV1 for 4K+ When resolution is 4K or higher, use 2 tile columns for NVENC AV1. --- plugins/obs-ffmpeg/obs-nvenc.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/plugins/obs-ffmpeg/obs-nvenc.c b/plugins/obs-ffmpeg/obs-nvenc.c index 9f99d3597..11138f837 100644 --- a/plugins/obs-ffmpeg/obs-nvenc.c +++ b/plugins/obs-ffmpeg/obs-nvenc.c @@ -938,6 +938,14 @@ static bool init_encoder_av1(struct nvenc_data *enc, obs_data_t *settings, if (config->rcParams.rateControlMode == NV_ENC_PARAMS_RC_CBR) av1_config->enableBitstreamPadding = 1; +#define PIXELCOUNT_4K (3840 * 2160) + + /* If size is 4K+, set tiles to 2 uniform columns. */ + if ((voi->width * voi->height) >= PIXELCOUNT_4K) { + av1_config->enableCustomTileConfig = 0; + av1_config->numTileColumns = 2; + } + switch (voi->colorspace) { case VIDEO_CS_601: av1_config->colorPrimaries = 6;