From 8bfcd96c580f5cbfec2f25021451184638caa8f7 Mon Sep 17 00:00:00 2001 From: Jonas Smedegaard Date: Mon, 29 Sep 2014 16:19:53 +0200 Subject: Drop support for fixed bitrate: Outside scope of this script. --- localvideowebencode | 34 +++++++++++----------------------- 1 file changed, 11 insertions(+), 23 deletions(-) diff --git a/localvideowebencode b/localvideowebencode index bb383aa..f3e80a7 100755 --- a/localvideowebencode +++ b/localvideowebencode @@ -61,11 +61,8 @@ html favoring open formats with optional non-JavaScript Flash fallback. (default: no aspect hinting) -r, --rate Video framerate: e.g. 25 1001/30000 (default: use input framerate) - --refbpp Reference bits-per-pixel relative to 360p30, for - computing average bitrate when not fixed + --refbpp Bits-per-pixel ratio at 360p30, for bitrate hinting (default: 0.12) - -b, --bitrate Fixed video bitrate in bytes: e.g. 768k 1M - (default: none - use variable bitrate) --formats Containers and codecs to use, comma-separated: [container] [video codec] [audio codec] theora ogg Ogg Theora Vorbis @@ -125,10 +122,9 @@ exit1() { formats=webm,vp9,mp4 samplestart=0 samplelength=150 -bitrate_variable=yes # parse cmdline options -TEMP="`getopt -s sh -o hp:s:a:r:b:t: -l help,profile:,size:,aspect:,rate:,video:,refbpp:,bitrate:,formats:,audio:,audioprefilter:,loudness,loudness-data:,filter:,stem:,title:,sample,sample-start:,sample-length: -n "$PRG" -- "$@"`" || exit1 "Internal getopt error." +TEMP="`getopt -s sh -o hp:s:a:r:b:t: -l help,profile:,size:,aspect:,rate:,video:,refbpp:,formats:,audio:,audioprefilter:,loudness,loudness-data:,filter:,stem:,title:,sample,sample-start:,sample-length: -n "$PRG" -- "$@"`" || exit1 "Internal getopt error." eval set -- "$TEMP" while true ; do case "$1" in @@ -139,7 +135,6 @@ while true ; do -r|--rate) framerate="$2"; shift 2;; --video) video="$2"; shift 2;; --refbpp) refbpp="$2"; shift 2;; - -b|--bitrate) bitrate="$2"; bitrate_fixed=yes; bitrate_variable=; shift 2;; --formats) formats="$2"; shift 2;; --audio) audio="$2"; shift 2;; --audioprefilter) audioprefilters="${audioprefilters:+$audioprefilters }-filter $2"; shift 2;; @@ -281,8 +276,7 @@ if [ -n "$_pixels" ] && [ $_pixels -ge $((1024*768)) ]; then fi # compute average bitrate from reference data and "power of .75" rule -bitrate_vp9="$bitrate" -if [ -z "$bitrate" ] && [ -n "$_pixels" ] && [ -n "$_frames" ]; then +if [ -n "$_pixels" ] && [ -n "$_frames" ]; then bitrate=$(perl -E '$refsize=640*360;' \ -E "say int( +(($_pixels/\$refsize)**0.75*\$refsize*$_frames*$refbpp) )") bitrate_vp9=$(perl -E "say int( $bitrate/2 )") #" @@ -331,22 +325,22 @@ esac melt="melt -progress" _melt_sample="$infile_first ${sample:+in=${samplestart:-0} out=$((${samplestart:-0} + samplelength))}" _melt_video="progressive=1${framerate:+ frame_rate_den="$framerate_den" frame_rate_num="$framerate_num"}${size:+ s=${width:+$width}x${height:+$height}}${aspect:+ aspect=$aspect}" -_melt_ogg="$_melt_video f=ogg vcodec=libtheora${bitrate:+ vb=$bitrate}${bitrate_variable:+ qscale=5}" -_melt_h264="$_melt_video f=mp4 vcodec=libx264 vpreset=medium vprofile=baseline${x264tune:+ tune=$x264tune}${bitrate_fixed:+ vb=$bitrate} threads=0 movflags=+faststart${bitrate_variable:+ crf=23}" -_melt_webm="$_melt_video f=webm vcodec=libvpx vpreset=libvpx-$webmpreset${bitrate:+ vb=$bitrate}${bitrate_fixed:+ minrate=$bitrate maxrate=$bitrate}${bitrate_variable:+ crf=10} cpu-used=3" +_melt_ogg="$_melt_video f=ogg vcodec=libtheora${bitrate:+ vb=$bitrate} qscale=5" +_melt_h264="$_melt_video f=mp4 vcodec=libx264 vpreset=medium vprofile=baseline${x264tune:+ tune=$x264tune} threads=0 movflags=+faststart crf=23" +_melt_webm="$_melt_video f=webm vcodec=libvpx vpreset=libvpx-$webmpreset${bitrate:+ vb=$bitrate} crf=10 cpu-used=3" _melt_img="$_melt_video f=image2" # CRF ignored with libvpx 1.3 -_melt_vp9="$_melt_video f=webm vcodec=libvpx-vp9 vpreset=libvpx-$webmpreset${bitrate_vp9:+ vb=$bitrate_vp9}${bitrate_fixed:+ minrate=$bitrate_vp9 maxrate=$bitrate_vp9}${bitrate_variable:+ crf=10} cpu-used=5" +_melt_vp9="$_melt_video f=webm vcodec=libvpx-vp9 vpreset=libvpx-$webmpreset${bitrate_vp9:+ vb=$bitrate_vp9} crf=10 cpu-used=5" _melt_audio="${channels:+ac=$channels}" # limit (i.e. avoid peaks "clipping") _melt_postfilters_audio="${limit:+-filter ladspa.1077}" _melt_vorbis="$_melt_audio acodec=libvorbis${channels:+ ab=$(($channels*$bitrate_vorbis))k}" -_melt_opus="$_melt_audio acodec=libopus${channels:+ ab=$(($channels*$bitrate_opus))k}${bitrate_fixed:+ vbr=constrained}${opusapp:+ application=$opusapp}" +_melt_opus="$_melt_audio acodec=libopus${channels:+ ab=$(($channels*$bitrate_opus))k}${opusapp:+ application=$opusapp}" _melt_aac="$_melt_audio acodec=aac${channels:+ ab=$(($channels*$bitrate_aac))k}" avconv="avconv -threads auto -y -v warning" -_avconv_vp8="-c:v libvpx -pre:v libvpx-$webmpreset${bitrate:+ -b:v $bitrate}${bitrate_fixed:+ -minrate $bitrate -maxrate $bitrate}${bitrate_variable:+ -crf 10} -cpu-used 3" -_avconv_vp9="-c:v libvpx-vp9 -pre:v libvpx-$webmpreset${bitrate_vp9:+ -b:v $bitrate_vp9}${bitrate_fixed:+ -minrate $bitrate_vp9 -maxrate $bitrate_vp9}${bitrate_variable:+ -crf 10} -cpu-used 5" +_avconv_vp8="-c:v libvpx -pre:v libvpx-$webmpreset${bitrate:+ -b:v $bitrate} -crf 10 -cpu-used 3" +_avconv_vp9="-c:v libvpx-vp9 -pre:v libvpx-$webmpreset${bitrate_vp9:+ -b:v $bitrate_vp9} -crf 10 -cpu-used 5" # resolve EBU R128 audio normalizing if [ -n "$loudness" ] && [ -z "$_melt_loudness" ]; then @@ -356,12 +350,6 @@ if [ -n "$loudness" ] && [ -z "$_melt_loudness" ]; then echo "Loudness data: $_melt_loudness" fi -if [ -n "$mp4" ] && [ -n "$bitrate_fixed" ]; then - echo "Analyzing complexity for MPEG-4..." - $melt ${_melt_sample:-$infiles} $filters \ - -consumer avformat:/dev/null pass=1 fastfirstpass=1 an=1 audio_off=1 $_melt_h264 -fi - if [ -n "$webm$vp9" ]; then echo "Analyzing complexity for WebM..." $melt ${_melt_sample:-$infiles} $filters \ @@ -378,7 +366,7 @@ $melt ${_melt_sample:-$infiles} \ ${channels:+$audioprefilters${_melt_loudness:+ -filter loudness results="$_melt_loudness"}} \ $filters${channels:+ $_melt_postfilters_audio} \ ${ogg:+-consumer avformat:$stem.ogv $_melt_ogg $_melt_vorbis} \ - ${mp4:+-consumer avformat:$stem.mp4${bitrate_fixed:+ pass=2} $_melt_h264 $_melt_aac} \ + ${mp4:+-consumer avformat:$stem.mp4 $_melt_h264 $_melt_aac} \ ${webm:+-consumer avformat:$stem.webm $_melt_webm pass=2 passlogfile=${stem}_vp8 $_melt_vorbis} \ ${vp9:+-consumer avformat:${stem}_vp9.webm pass=2 passlogfile=${stem}_vp9 $_melt_vp9 $_melt_opus} -- cgit v1.2.3