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mp3 and mjpeg tests

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mjpeg in mov is not working in hls with multiple segments on ios

mp3 raw with id3 timestamps works best on ios hls

mp3 in ts works on ios, but seems stuttery weirdly!

mp3 in mp4 just don't work
This commit is contained in:
Brooke Vibber 2022-06-07 19:35:35 -07:00
parent fd16b56eb6
commit 70d6c7366a
2 changed files with 113 additions and 26 deletions
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68
caminandes-llamigos.webm.audio.mp3.mp4.m3u8
View file

@ -3,37 +3,53 @@
#EXT-X-TARGETDURATION:10
#EXT-X-MEDIA-SEQUENCE:0
#EXT-X-PLAYLIST-TYPE:VOD
#EXT-X-MAP:URI="init.mp4"
#EXTINF:10.005397,
caminandes-llamigos.webm.audio.mp3.0000.mp4
#EXT-X-MAP:URI="caminandes-llamigos.webm.audio.mp3.mp4.mp4",BYTERANGE="755@0"
#EXTINF:10.005896,
#EXT-X-BYTERANGE:163302@755
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:10.004898,
caminandes-llamigos.webm.audio.mp3.0001.mp4
#EXT-X-BYTERANGE:163302@164057
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:10.004898,
caminandes-llamigos.webm.audio.mp3.0002.mp4
#EXT-X-BYTERANGE:163303@327359
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:10.004580,
#EXT-X-BYTERANGE:163302@490662
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:10.005057,
#EXT-X-BYTERANGE:163302@653964
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:9.978617,
#EXT-X-BYTERANGE:162877@817266
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:10.005215,
#EXT-X-BYTERANGE:163302@980143
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:10.004898,
caminandes-llamigos.webm.audio.mp3.0003.mp4
#EXT-X-BYTERANGE:163303@1143445
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:10.004898,
caminandes-llamigos.webm.audio.mp3.0004.mp4
#EXT-X-BYTERANGE:163302@1306748
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:10.004739,
#EXT-X-BYTERANGE:163302@1470050
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:9.978776,
caminandes-llamigos.webm.audio.mp3.0005.mp4
#EXT-X-BYTERANGE:162877@1633352
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:10.005057,
#EXT-X-BYTERANGE:163302@1796229
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:10.004739,
#EXT-X-BYTERANGE:163302@1959531
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:10.005057,
#EXT-X-BYTERANGE:163303@2122833
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:10.004898,
caminandes-llamigos.webm.audio.mp3.0006.mp4
#EXTINF:10.004898,
caminandes-llamigos.webm.audio.mp3.0007.mp4
#EXTINF:10.004898,
caminandes-llamigos.webm.audio.mp3.0008.mp4
#EXTINF:10.004898,
caminandes-llamigos.webm.audio.mp3.0009.mp4
#EXTINF:9.978776,
caminandes-llamigos.webm.audio.mp3.0010.mp4
#EXTINF:10.004898,
caminandes-llamigos.webm.audio.mp3.0011.mp4
#EXTINF:10.004898,
caminandes-llamigos.webm.audio.mp3.0012.mp4
#EXTINF:10.004898,
caminandes-llamigos.webm.audio.mp3.0013.mp4
#EXTINF:10.004898,
caminandes-llamigos.webm.audio.mp3.0014.mp4
#EXT-X-BYTERANGE:163302@2286136
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXTINF:0.119819,
caminandes-llamigos.webm.audio.mp3.0015.mp4
#EXT-X-BYTERANGE:2270@2449438
caminandes-llamigos.webm.audio.mp3.mp4.mp4
#EXT-X-ENDLIST

71
transcode-segment.php
View file

@ -40,6 +40,8 @@ class Audio {
'-b:a', '96k',
],
],
// with the added id3 timestamps this work great with iOS HLS
// but mac safari doesn't seem happy with anything i do with them
'mp3' => [
'container' => 'mp3',
'options' => [
@ -49,6 +51,27 @@ class Audio {
'-b:a', '128k',
],
],
// works on iOS HLS but seems stuttery? i dunno why
// mac safari doesn't seem to like it either
'mp3.ts' => [
'container' => 'ts',
'options' => [
'-acodec', 'libmp3lame',
'-ar', 44100,
'-ac', 2,
'-b:a', '128k',
],
],
// no dice on ios or macos safari
'mp3.mp4' => [
'container' => 'mp4',
'options' => [
'-acodec', 'libmp3lame',
'-ar', 44100,
'-ac', 2,
'-b:a', '128k',
],
]
];
}
@ -60,6 +83,25 @@ class Video {
];
public const FORMATS = [
'mjpeg' => [
// it doesn't seem to like this after all. worth trying!
'container' => 'mov',
'options' => [
'common' => [
'-vcodec', 'mjpeg',
],
'fallback' => [
// no specific options :D
],
],
'resolutions' => [
'144p' => [
'width' => 176,
'height' => 144,
'bitrate' => '1024k',
]
]
],
'vp9' => [
'container' => 'mp4',
'options' => [
@ -222,6 +264,30 @@ class Transcoder {
'-hls_segment_filename', $segment,
'-y', $playlist,
];
} elseif ( $container == 'ts' ) {
$segment = "$outfile.$container";
$segmentOptions = [
'-f', 'hls',
'-hls_segment_type', 'mpegts',
'-hls_flags', 'single_file',
'-hls_time', '10',
'-hls_playlist_type', 'vod',
'-hls_segment_filename', $segment,
'-y', $playlist,
];
} elseif ( $container == 'mov' ) {
// For MJPEG, MP4 doesn't work in Apple HLS for some reason
// but QuickTime is sortof ok for one segment?
// Note segment won't make single fMP4-style files though.
$segment = "$outfile.%04d.$container";
$segmentOptions = [
'-f', 'segment',
//'-segment_format_options', 'movflags=frag_keyframe+empty_moov',
//'-segment_format_options', 'movflags=+frag_keyframe+empty_moov+default_base_moof+faststart',
'-segment_time', '10',
'-segment_list', $playlist,
'-y', $segment
];
} elseif ( $container == 'mp3' ) {
// For MP3, segment it raw.
// We'll need to postprocess to add an ID3 tag with timestamp
@ -309,6 +375,11 @@ foreach ( $infiles as $filename ) {
$codec->audio('aac');
$codec->audio('opus');
$codec->audio('mp3');
$codec->audio('mp3.ts');
$codec->audio('mp3.mp4');
foreach ( Video::FORMATS['mjpeg']['resolutions'] as $res => $format ) {
$codec->video('mjpeg', $res, 'fallback');
}
foreach ( Video::FORMATS['vp9']['resolutions'] as $res => $format ) {
if ( $format['width'] <= $source->width && $format['height'] <= $source->height ) {
$codec->video('vp9', $res, 'fast');