ffmpeg qscale
since ffmpeg provides -qscale as a generic codec agnostic option (I know each codec may interpret the value differently) so wouldn't itmake sense to internally ... , ffmpeg -i input.avi -vcodec mjpeg -acodec mp3 -qscale 100 output.avi ... So qscale is apparantly for the video stream's quality while q is for all ..., Control quality with -qscale:a (or the alias -q:a). Values are encoder specific, so for libmp3lame the range is 0-9 where a lower value is a higher ..., You can select a video quality level with -qscale:v n (or the alias -q:v n), where n is a number from 1-31, with 1 being highest quality/largest ..., FFmpeg calls this “qscale” (a way of representing variable bitrate qualities, much like LAME's -V parameter), and the lower the qscale value, the ..., -b <比特率> 指定压缩比特率，似乎ffmpeg是自动VBR的，指定了就 ... -qscale <数值> 以<数值>质量为基础的VBR，取值0.01-255，约小质量越好, 通常在使用ffmpeg进行视频转换的时候我们使用到的控制音视频的主要参数有如下： ... AVI格式转换后的：-qscale 6结果=avi_01.flv 6.61M -qscale 4 ...,I tried this command: -c:v libx265 -c:a -qscale 0 outputting to an .mp4, and got a file about 1/10 the size. It was not noticeably degraded, but I ... , ffmpeg -i video1.m2t -acodec copy -vcodec copy output.mpg ... ffmpeg -i input.mpg -c:v libx265 -codec:a libvorbis -qscale:a 3 output.mp4.
| 相關軟體 FFmpeg 資訊 | |
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 ffmpeg qscale 相關參考資料
#3238 (QScale does not work with libx264) – FFmpeg
since ffmpeg provides -qscale as a generic codec agnostic option (I know each codec may interpret the value differently) so wouldn't itmake sense to internally ... https://trac.ffmpeg.org Difference between -q and -qscale? - FFmpeg
ffmpeg -i input.avi -vcodec mjpeg -acodec mp3 -qscale 100 output.avi ... So qscale is apparantly for the video stream's quality while q is for all ... https://ffmpeg.zeranoe.com EncodeMP3 – FFmpeg
Control quality with -qscale:a (or the alias -q:a). Values are encoder specific, so for libmp3lame the range is 0-9 where a lower value is a higher ... https://trac.ffmpeg.org EncodeMPEG-4 – FFmpeg
You can select a video quality level with -qscale:v n (or the alias -q:v n), where n is a number from 1-31, with 1 being highest quality/largest ... https://trac.ffmpeg.org FFmpeg Quality Comparison · kbps
FFmpeg calls this “qscale” (a way of representing variable bitrate qualities, much like LAME's -V parameter), and the lower the qscale value, the ... https://www.kilobitspersecond. ffmpeg参数说明（转载） - BradyChen - 博客园
-b <比特率> 指定压缩比特率，似乎ffmpeg是自动VBR的，指定了就 ... -qscale <数值> 以<数值>质量为基础的VBR，取值0.01-255，约小质量越好 https://www.cnblogs.com ffmpeg转换参数和对几种视频格式的转换分析 - ferreousbox的博客 - ITeye
通常在使用ffmpeg进行视频转换的时候我们使用到的控制音视频的主要参数有如下： ... AVI格式转换后的：-qscale 6结果=avi_01.flv 6.61M -qscale 4 ... http://ferreousbox.iteye.com Qscale 0 a good way to preserve quality? : ffmpeg - Reddit
I tried this command: -c:v libx265 -c:a -qscale 0 outputting to an .mp4, and got a file about 1/10 the size. It was not noticeably degraded, but I ... https://www.reddit.com video encoding with ffmpeg - meet-unix
ffmpeg -i video1.m2t -acodec copy -vcodec copy output.mpg ... ffmpeg -i input.mpg -c:v libx265 -codec:a libvorbis -qscale:a 3 output.mp4. https://meet-unix.org |