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Fix 'blocky' playback with mpeg2video. Add preset for libx264, might be unnecessary/wrong

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This commit is contained in:
vexorian 2023-11-28 23:03:45 -04:00
parent a72967e575
commit 56a4f3fdd8
1 changed files with 8 additions and 0 deletions
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8
src/ffmpeg.js
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@ -495,9 +495,17 @@ class FFMPEG extends events.EventEmitter {
if ( transcodeVideo && (this.audioOnly !== true) ) { if ( transcodeVideo && (this.audioOnly !== true) ) {
// add the video encoder flags // add the video encoder flags
ffmpegArgs.push( ffmpegArgs.push(
'-crf', '22',
`-maxrate:v`, `${this.opts.videoBitrate}k`, `-maxrate:v`, `${this.opts.videoBitrate}k`,
`-bufsize:v`, `${this.opts.videoBufSize}k` `-bufsize:v`, `${this.opts.videoBufSize}k`
); );
if (this.opts.videoEncoder.toLowerCase() === "mpeg2video") {
// This makes message "impossible bitrate constraints, this will fail" appear but nothing actually fails and it really looks like b:v is the only way to make the video look good when using mpeg2video
ffmpegArgs.push(
`-qscale:v`, `1`,
'-b:v', `${this.opts.videoBitrate}k`
);
}
} }
if ( transcodeAudio ) { if ( transcodeAudio ) {
// add the audio encoder flags // add the audio encoder flags