brooke/pack-vid
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fixes

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* add 540p between 480p and 720p
* use veryslow for small and medium for large
* fix max bitrate for lower resolutions
* throw in more b-frames for fun (may not be relevant)
This commit is contained in:
Brooke Vibber 2023-05-07 01:20:25 -07:00
parent a982d7d812
commit 7317855d05
2 changed files with 14 additions and 6 deletions
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8
pack-set
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@ -5,11 +5,11 @@ do
echo "$INFILE"
COMMON="--quality=0.75 --exposure=-2.5 --peak=141 --fps=60000/1001"
SPEED="slow"
#SPEED="veryfast"
SPEED_SMALL="veryslow"
SPEED_LARGE="medium"
SMALL="$COMMON --size=4m --preset=$SPEED"
LARGE="$COMMON --size=25m --preset=$SPEED"
SMALL="$COMMON --size=4m --preset=$SPEED_SMALL"
LARGE="$COMMON --size=25m --preset=$SPEED_LARGE"
pack-vid $SMALL "$INFILE" "${INFILE%.mp4}-small.mp4"
pack-vid $LARGE "$INFILE" "${INFILE%.mp4}-large.mp4"

12
pack-vid
View file

@ -164,16 +164,22 @@ function convert( $src, $dest, $options ) {
if ( $bitrate < 1 * $base || $height < 480 ) {
$frameWidth = 640;
$frameHeight = 360;
} elseif ( $bitrate < 2 * $base || $height < 720) {
$bitrate = min( $bitrate, $base );
} elseif ( $bitrate < 2 * $base || $height < 540) {
$frameWidth = 854;
$frameHeight = 480;
$bitrate = min( $bitrate, $base * 2 );
} elseif ( $bitrate < 2.5 * $base || $height < 720) {
$frameWidth = 960;
$frameHeight = 540;
$bitrate = min( $bitrate, $base * 2.5 );
} elseif ( $bitrate < 4 * $base || $height < 1080) {
$frameWidth = 1280;
$frameHeight = 720;
$bitrate = min( $bitrate, $base * 4 );
} else {
$frameWidth = 1920;
$frameHeight = 1080;
// Cap the bitrate rather than making larger encodings.
$bitrate = min( $bitrate, $base * 8 );
}
@ -240,6 +246,7 @@ function convert( $src, $dest, $options ) {
'-c:v', 'libx264',
'-b:v', $bitrate,
'-preset', $preset,
'-bf', '16',
'-pass', '1',
'-passlogfile', $passlog,
'-g', $keyframeInt,
@ -256,6 +263,7 @@ function convert( $src, $dest, $options ) {
'-c:v', 'libx264',
'-b:v', $bitrate,
'-preset', $preset,
'-bf', '16',
'-pass', '2',
'-passlogfile', $passlog,
'-g', $keyframeInt,