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obs-ffmpeg: Use av_reduce on NVENC aspect ratio 

For example, 1920:1080 becomes 16:9.
master
jpark37 2021-03-16 18:53:28 -07:00
parent 54892b27db
commit 6ee7725c03
1 changed files with 6 additions and 2 deletions
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8
plugins/obs-ffmpeg/jim-nvenc.c
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@ -3,6 +3,7 @@
#include <util/darray.h>
#include <util/dstr.h>
#include <obs-avc.h>
#include <libavutil/rational.h>
#define INITGUID
#include <dxgi.h>
#include <d3d11.h>
@ -408,14 +409,17 @@ static bool init_encoder(struct nvenc_data *enc, obs_data_t *settings)
NV_ENC_CONFIG_H264_VUI_PARAMETERS *vui_params =
&h264_config->h264VUIParameters;
int darWidth, darHeight;
av_reduce(&darWidth, &darHeight, voi->width, voi->height, 1024 * 1024);
memset(params, 0, sizeof(*params));
params->version = NV_ENC_INITIALIZE_PARAMS_VER;
params->encodeGUID = NV_ENC_CODEC_H264_GUID;
params->presetGUID = nv_preset;
params->encodeWidth = voi->width;
params->encodeHeight = voi->height;
params->darWidth = voi->width;
params->darHeight = voi->height;
params->darWidth = darWidth;
params->darHeight = darHeight;
params->frameRateNum = voi->fps_num;
params->frameRateDen = voi->fps_den;
params->enableEncodeAsync = 1;