high -rc vbr_hq -cq 25 -qp 18 -spatial_aq 1 -aq-strength 1 \ 此处的-preset，-rc，-...
帖子里有人试验了-bf 4的时候质量最好 完整命令大概就是这样的 ffmpeg -hwaccel cuvid -i myvideo.wmv -c:v hevc_nvenc -bf 4 -preset slow -c:a aac -b:a 256k myvideo.mp4 其中的preset根据自己的应用来调整,还可以自己限制码率,hevc_nvenc除了不支持-crf参数,其他和libx265差不太多 b-frames可以减...
帖子里有人试验了-bf 4的时候质量最好 完整命令大概就是这样的 ffmpeg -hwaccel cuvid -i myvideo.wmv -c:v hevc_nvenc -bf 4 -preset slow -c:a aac -b:a 256k myvideo.mp4 其中的preset根据自己的应用来调整,还可以自己限制码率,hevc_nvenc除了不支持-crf参数,其他和libx265差不太多 b-frames可以减...
This means that there’s no quality hit for using the “hq” preset in OBS.”“Turing HEVC is ALMOST as good as x265 Slow at 6Mbps and 4Mbps. At 8Mbps Turing is a tiny touch better. Basically, as long as you’re not starving for bitrate, Turing is on par with x265 Slow.”“...
ffmpeg -i input.mp4 -c:v h265_nvenc -preset fast -crf 28 output.mp4 -i input.mp4:指定输入文件。 -c:v h265_nvenc:指定使用H.265 NVENC编码器。 -preset fast:设置编码速度预设,可选值有ultrafast、superfast、veryfast、faster、fast、medium、slow、slower、veryslow。 -crf 28:设置恒定速率因子,数...
Maybe preset is too slow for the mentioned task? Are the Bandicam videos has any MediaInfo about the used settings? Can you compare it? sumirecccp New Member Feb 7, 2019 #15 Code: bandicam, ffplay: [hevc @ 000001ebce874000] SPS 0 does not exist.KB sq= 0B f=...
- Add `Video Preset` setting to `FFmpeg Profile` editor for some combinations of acceleration and video format: - `Nvenc` / `h264` - `Nvenc` / `hevc` - `Qsv` / `h264` - `Qsv` / `hevc` - `None` / `h264` - `None` / `hevc` ### Fixed - Fix some cases of 404s from ...
smpte2084 -colorspace bt2020nc -color_range tv -t 10 -filter_complex "[0:v]hwdownload,format=nv12,format=yuv420p,scale=iw*2:ih*2" -gpu 0 -c:v hevc_nvenc -pix_fmt yuv444p16le -profile:v main10 -preset hq -rc cbr_hq -b:v 5000k -maxrate 7000k -bufsize 1000k -acodec copy...
3.1 FFmpeg本身支持一些编码、封装与协议，但是支持的依然有限，有些是因为licence，有些是因为相对来说...
{ "rc", "Override the preset rate-control", OFFSET(rc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "rc" }, { "constqp", "Constant QP mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CONSTQP }, 0, 0, VE, "rc" }, { "vbr", "Varia...