我正在使用自定义脚本将视频文件转换为多分辨率HLS。我已经切换到一个新的网络播放器，它将允许我支持字幕曲目和音轨选择。
我很难弄清楚如何编辑我的脚本以获得.MKV，并剥离所有音频源和字幕源，并将其添加到INDEX.M3U8
我当前的脚本：
$sw = [Diagnostics.Stopwatch]::StartNew()
$files = Get-ChildItem ${Get-Location}
$loco = Get-Location
$p1 = Join-Path -Path $loco -ChildPath "/out"
echo $p1
New-Item -ItemType Directory -Force -Path $p1
foreach ($f in $files){
$p2 = Join-Path -Path $loco -ChildPath "/out/" | Join-Path -ChildPath $f
$sb = [System.Text.StringBuilder]::new();
[void]$sb.AppendLine( '#EXTM3U' )
[void]$sb.AppendLine( '#EXT-X-VERSION:3' )
[void]$sb.AppendLine( '#EXT-X-STREAM-INF:BANDWIDTH=800000,RESOLUTION=640x360' )
[void]$sb.AppendLine( '360p.m3u8' )
[void]$sb.AppendLine( '#EXT-X-STREAM-INF:BANDWIDTH=1400000,RESOLUTION=842x480' )
[void]$sb.AppendLine( '480.m3u8' )
New-Item -ItemType Directory -Force -Path $p2
$resStr = ffprobe -v error -select_streams v:0 -show_entries stream=height -of csv=s=x:p=0 $f.FullName;
$res = [convert]::ToInt32($resStr)
#ffmpeg -i $f.FullName -c:a copy -vf scale=w=640:h=360:force_original_aspect_ratio=decrease -c:a aac -ar 48000 -rc cqp -qp_p 0 -qp_i 1 -profile:v main -crf 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4 -hls_playlist_type vod -b:v 800k -maxrate 856k -bufsize 1200k -b:a 96k -hls_segment_filename out/$f/360p_%03d.ts out/$f/360p.m3u8 -vf scale=w=842:h=480:force_original_aspect_ratio=decrease -c:a aac -ar 48000 -gpu 1 -c:v h264_amf -rc cqp -qp_p 0 -qp_i 1 -profile:v main -crf 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4 -hls_playlist_type vod -b:v 1400k -maxrate 1498k -bufsize 2100k -b:a 128k -hls_segment_filename out/$f/480p_%03d.ts out/$f/480p.m3u8 -vf scale=w=1280:h=720:force_original_aspect_ratio=decrease -c:a aac -ar 48000 -gpu 1 -c:v h264_amf -rc cqp -qp_p 0 -qp_i 1 -profile:v main -crf 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4 -hls_playlist_type vod -b:v 2800k -maxrate 2996k -bufsize 4200k -b:a 128k -hls_segment_filename out/$f/720p_%03d.ts out/$f/720p.m3u8 -vf scale=w=1920:h=1080:force_original_aspect_ratio=decrease -c:a aac -ar 48000 -gpu 1 -c:v h264_amf -rc cqp -qp_p 0 -qp_i 1 -profile:v main -crf 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4 -hls_playlist_type vod -b:v 5000k -maxrate 5350k -bufsize 7500k -b:a 192k -hls_segment_filename out/$f/1080p_%03d.ts out/$f/1080p.m3u8
#ffmpeg -hwaccel auto -hwaccel_device 0 -i $f.FullName -c:v h264 -profile:v main -c:a aac -filter:v scale=360:640 -ar 48000 -rc cqp -qp_p 0 -qp_i 1 -profile:v main -crf 23 -sc_threshold 0 -g 48 -b:v 800k -maxrate 856k -bufsize 1200k -b:a 96k -keyint_min 4 -start_number 0 -hls_time 10 -hls_playlist_type vod -hls_list_size 0 -f hls -hls_segment_filename out/$f/360p_%03d.ts out/$f/360p.m3u8
ffmpeg -hwaccel auto -hwaccel_device 0 -i $f.FullName -c:v h264_nvenc -b:v 200k -minrate 100k -maxrate 896k -profile:v main -c:a aac -filter:v scale=-1:360 -start_number 0 -hls_time 10 -hls_list_size 0 -f hls -hls_segment_filename out/$f/360p_%03d.ts out/$f/360p.m3u8
ffmpeg -hwaccel auto -hwaccel_device 0 -i $f.FullName -c:v h264_nvenc -b:v 1000k -minrate 896k -maxrate 1536k -profile:v main -c:a aac -filter:v scale=-1:480 -start_number 0 -hls_time 10 -hls_list_size 0 -f hls -hls_segment_filename out/$f/480p_%03d.ts out/$f/480p.m3u8
If($res -ge 720) {
ffmpeg -hwaccel auto -hwaccel_device 0 -i $f.FullName -c:v h264_nvenc -b:v 2232k -minrate 1856k -maxrate 2872k -profile:v main -c:a aac -filter:v scale=-1:720 -start_number 0 -hls_time 10 -hls_list_size 0 -f hls -hls_segment_filename out/$f/720p_%03d.ts out/$f/720p.m3u8
[void]$sb.AppendLine( '#EXT-X-STREAM-INF:BANDWIDTH=2800000,RESOLUTION=1280x720' )
[void]$sb.AppendLine( '720p.m3u8' )
}
If($res -ge 1080) {
ffmpeg -hwaccel auto -hwaccel_device 0 -i $f.FullName -c:v h264_nvenc -b:v 4632k -minrate 3712k -maxrate 5552k -profile:v main -c:a aac -filter:v scale=-1:1080 -start_number 0 -hls_time 10 -hls_list_size 0 -f hls -hls_segment_filename out/$f/1080p_%03d.ts out/$f/1080p.m3u8
[void]$sb.AppendLine( '#EXT-X-STREAM-INF:BANDWIDTH=5000000,RESOLUTION=1920x1080' )
[void]$sb.AppendLine( '1080p.m3u8' )
}
$p3 = Join-Path -Path $p2 -ChildPath "/index.m3u8"
#echo $index | Out-File -Encoding UTF8 -LiteralPath $p3
echo $sb.ToString()
[System.IO.File]::WriteAllLines($p3, $sb.ToString().Trim().replace("`r`n", "`n"))
}
$sw.Stop()
echo $sw.Elapsed
$sw = [Diagnostics.Stopwatch]::StartNew()
$files = Get-ChildItem ${Get-Location}
$loco = Get-Location
$p1 = Join-Path -Path $loco -ChildPath "/out"
New-Item -ItemType Directory -Force -Path $p1
function lnCodeTransform {
param( $String )
echo $String
switch ($String)
{
"jpn" {"jp"}
"eng" {"en"}
"esp" {"es"}
"fra" {"fr"}
"deu" {"de"}
default {$String}
}
}
function lnNameTransform {
param( $String )
switch ($String)
{
"jpn" {"Japanese"}
"eng" {"English"}
"esp" {"Spanish"}
"fra" {"French"}
"deu" {"German"}
default {$String}
}
}
foreach ($f in $files){
if ($f.Name -eq "out"){
continue;
}
$p2 = Join-Path -Path $loco -ChildPath "/out/" | Join-Path -ChildPath $f
New-Item -ItemType Directory -Force -Path $p2/audio
New-Item -ItemType Directory -Force -Path $p2/video
New-Item -ItemType Directory -Force -Path $p2/subtitle
$sb = [System.Text.StringBuilder]::new();
[void]$sb.AppendLine( '#EXTM3U' )
[void]$sb.AppendLine( '#EXT-X-VERSION:3' )
#[void]$sb.AppendLine( '#EXT-X-STREAM-INF:BANDWIDTH=800000,RESOLUTION=640x360' )
#[void]$sb.AppendLine( '360p.m3u8' )
New-Item -ItemType Directory -Force -Path $p2
$resStr = ffprobe -v error -select_streams v:0 -show_entries stream=height -of csv=s=x:p=0 $f.FullName;
$res = [convert]::ToInt32($resStr)
$audioTracks = ffprobe $f.FullName -show_entries stream=index:stream_tags=language -select_streams a -of compact=p=0:nk=1
$audioTracks = $audioTracks.split("n")
foreach($audio in $audioTracks) {
$ID = $audio.split("|")[0];
$audioName = $audio.split("|")[1];
ffmpeg -i $f.FullName -threads 0 -muxdelay 0 -y -map 0:$ID -codec aac -f segment -segment_time 10 -segment_list_size 0 -segment_list out/$f/audio/audio_"$ID.m3u8" -segment_format mpegts out/$f/audio/"audio_$ID""_%d.ts"
$name = lnNameTransform($audioName)
$code = lnCodeTransform($audioName)
[void]$sb.AppendLine( "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=`"aac`",LANGUAGE=`"$code`",NAME=`"$name`",DEFAULT=NO,AUTOSELECT=NO,URI=`"audio/audio_$ID.m3u8`"" )
}
$subTracks = ffprobe $f.FullName -show_entries stream=index:stream_tags=language -select_streams s -of compact=p=0:nk=1
$subTracks = $subTracks.split("")
foreach($subtitle in $subTracks) {
$ID = $subtitle.split("|")[0];
$subName = $subtitle.split("|")[1];
ffmpeg -i $f.FullName -map 0:$ID -f segment -segment_time 10 -segment_list_size 0 -segment_list out/$f/subtitle/sub_"$subName.m3u8" -segment_format webvtt -scodec webvtt out/$f/subtitle/"sub_$subName%d.vtt"
$name = lnNameTransform($subName)
$code = lnCodeTransform($subName)
[void]$sb.AppendLine( "#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID=`"subs`",LANGUAGE=`"$code`",NAME=`"$name`",FORCED=NO,AUTOSELECT=NO,URI=`"subtitle/sub_$subName.m3u8`"" )
}
[void]$sb.AppendLine( '#EXT-X-STREAM-INF:BANDWIDTH=1400000,CODECS="avc1.4d4015,mp4a.40.2",RESOLUTION=842x480,AUDIO="aac",SUBTITLES="subs"' )
[void]$sb.AppendLine( 'video/480p.m3u8' )
#ffmpeg -i $f.FullName -c:a copy -vf scale=w=640:h=360:force_original_aspect_ratio=decrease -c:a aac -ar 48000 -rc cqp -qp_p 0 -qp_i 1 -profile:v main -crf 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4 -hls_playlist_type vod -b:v 800k -maxrate 856k -bufsize 1200k -b:a 96k -hls_segment_filename out/$f/360p_%03d.ts out/$f/360p.m3u8 -vf scale=w=842:h=480:force_original_aspect_ratio=decrease -c:a aac -ar 48000 -gpu 1 -c:v h264_amf -rc cqp -qp_p 0 -qp_i 1 -profile:v main -crf 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4 -hls_playlist_type vod -b:v 1400k -maxrate 1498k -bufsize 2100k -b:a 128k -hls_segment_filename out/$f/480p_%03d.ts out/$f/480p.m3u8 -vf scale=w=1280:h=720:force_original_aspect_ratio=decrease -c:a aac -ar 48000 -gpu 1 -c:v h264_amf -rc cqp -qp_p 0 -qp_i 1 -profile:v main -crf 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4 -hls_playlist_type vod -b:v 2800k -maxrate 2996k -bufsize 4200k -b:a 128k -hls_segment_filename out/$f/720p_%03d.ts out/$f/720p.m3u8 -vf scale=w=1920:h=1080:force_original_aspect_ratio=decrease -c:a aac -ar 48000 -gpu 1 -c:v h264_amf -rc cqp -qp_p 0 -qp_i 1 -profile:v main -crf 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4 -hls_playlist_type vod -b:v 5000k -maxrate 5350k -bufsize 7500k -b:a 192k -hls_segment_filename out/$f/1080p_%03d.ts out/$f/1080p.m3u8
#ffmpeg -hwaccel auto -hwaccel_device 0 -i $f.FullName -c:v h264_nvenc -preset slow -pix_fmt yuv420p -c:a aac -filter:v scale=360:640 -ar 48000 -rc cqp -qp_p 0 -qp_i 1 -profile:v main -crf 23 -sc_threshold 0 -g 48 -b:v 800k -maxrate 856k -bufsize 1200k -b:a 96k -keyint_min 4 -start_number 0 -hls_time 10 -hls_playlist_type vod -hls_list_size 0 -f hls -hls_segment_filename out/$f/360p_%03d.ts out/$f/360p.m3u8
#ffmpeg -hwaccel auto -hwaccel_device 0 -i $f.FullName -c:v h264 -profile:v main -c:a aac -filter:v scale=360:640 -start_number 0 -hls_time 10 -hls_list_size 0 -f hls -hls_segment_filename out/$f/360p_%03d.ts out/$f/360p.m3u8
ffmpeg -i $f.FullName -c:v h264_nvenc -crf 22 -preset slow -pix_fmt yuv420p -filter:v scale="trunc(oh*a/2)*2:480" -map 0:v -start_number 0 -hls_time 10 -hls_list_size 0 -f hls -hls_segment_filename out/$f/video/480p_%03d.ts out/$f/video/480p.m3u8
If($res -ge 720) {
ffmpeg -i $f.FullName -c:v h264_nvenc -crf 20 -preset slow -pix_fmt yuv420p -filter:v scale="trunc(oh*a/2)*2:720" -map 0:v -start_number 0 -hls_time 10 -hls_list_size 0 -f hls -hls_segment_filename out/$f/video/720p_%03d.ts out/$f/video/720p.m3u8
[void]$sb.AppendLine( '#EXT-X-STREAM-INF:BANDWIDTH=2800000,CODECS="avc1.4d4015,mp4a.40.2",RESOLUTION=1280x720,AUDIO="aac",SUBTITLES="subs"' )
[void]$sb.AppendLine( 'video/720p.m3u8' )
}
If($res -ge 1080) {
ffmpeg -i $f.FullName -c:v h264_nvenc -crf 18 -preset slow -pix_fmt yuv420p -filter:v scale="trunc(oh*a/2)*2:1080" -map 0:v -start_number 0 -hls_time 10 -hls_list_size 0 -f hls -hls_segment_filename out/$f/video/1080p_%03d.ts out/$f/video/1080p.m3u8
[void]$sb.AppendLine( '#EXT-X-STREAM-INF:BANDWIDTH=5000000,CODECS="avc1.4d4015,mp4a.40.2",RESOLUTION=1920x1080,AUDIO="aac",SUBTITLES="subs"' )
[void]$sb.AppendLine( 'video/1080p.m3u8' )
}
$p3 = Join-Path -Path $p2 -ChildPath "/index.m3u8"
#echo $index | Out-File -Encoding UTF8 -LiteralPath $p3
echo $sb.ToString()
[System.IO.File]::WriteAllLines($p3, $sb.ToString().Trim().replace("`r`n", "`n"))
}
$sw.Stop()
echo $sw.Elapsed