From 64b73b8e379fed144731a1cbce561e69e8bb1da2 Mon Sep 17 00:00:00 2001 From: Jonas Smedegaard Date: Wed, 21 Sep 2011 02:15:30 +0200 Subject: Use melt (not ffmpeg). --- localvideowebencode | 128 ++++++++++++++++++++-------------------------------- 1 file changed, 50 insertions(+), 78 deletions(-) diff --git a/localvideowebencode b/localvideowebencode index 6c5b043..1d1564c 100755 --- a/localvideowebencode +++ b/localvideowebencode @@ -11,10 +11,6 @@ # TODO: offer to skip rendering again if an output file exist already # TODO: support --width and --height (resolving the other part from input/forced aspect ratio) # TODO: support --formats (comma-separated, to allow e.g. excluding webm even if supported) -# TODO: use (openshot and) melt: -# * melt -consumer avformat:outfile.webm properties=consumer/avformat/webm infile.xml -# * melt -consumer avformat:outfile.x264 properties=consumer/avformat/x264-medium-baseline infile.xml -# * melt -consumer avformat:outfile.ogg f=ogg vcodec=libtheora b=1120k acodec=libvorbis aq=25 infile.xml # TODO: add --speech option, using mono, lower audio rate, and (when solved how) speex set -e @@ -23,29 +19,46 @@ PRG=$(basename "$0") showhelp() { cat < + 320x240 (qvga): 768k + 640x480 (vga): 1120k + +NB! Old iPod require baseline encoding and has 640x480 size limit. +Use e.g. quarter_ntsc_wide, svcd_ntsc_wide or svcd_pal_wide (varying in +framerate and Pixel Aspect Ratio) for widescreen material. + +More info: + + EOF } @@ -55,14 +68,21 @@ exit1() { exit 1 } +# defaults +bitrate=768k +h264profile=baseline + # parse cmdline options -TEMP="`getopt -s sh -o hs:p:t: -l help,size:,profile:,title: -n "$PRG" -- "$@"`" || exit1 "Internal getopt error." +TEMP="`getopt -s sh -o hs:a:b:p:t: -l help,size:,aspect:,bitrate:,profile:,h264profile,title: -n "$PRG" -- "$@"`" || exit1 "Internal getopt error." eval set -- "$TEMP" while true ; do case "$1" in -h|--help) showhelp; exit;; -s|--size) size="$2"; shift 2;; + -a|--aspect) aspect="$2"; shift 2;; + -b|--bitrate) bitrate="$2"; shift 2;; -p|--profile) profile="$2"; shift 2;; + --h264profile) h264profile="$2"; shift 2;; -t|--title) title="$2"; shift 2;; --) shift; break;; *) exit1 "Internal error resolving options.";; @@ -74,88 +94,40 @@ if [ $# -eq 0 ]; then exit1 "Too few parameters!" fi -if [ $# -gt 1 ]; then - showhelp - exit1 "Too many parameters!" -fi - # input filename (mandatory) -infile="$1"; shift +infile="$1" [ -e "$infile" ] || exit1 "Input file missing!" filebase=$(echo "$infile" | perl -pe 's/\.[^.]*//') -# fallback profile -profile=${profile:-lo} -case "$profile" in - lo) - bitrate=768 - aspect=4:3 - ;; - lowide) - bitrate=768 - aspect=16:9 - ;; - hi) - bitrate=1120 - aspect=4:3 - ;; - hiwide) - bitrate=1120 - aspect=16:9 - ;; -esac - # fallback graphics title title=${title:-$filebase} # TODO: Check and fail if all needed tools are not available -_ffmpeg() { - passes="$1"; shift - ext="$1"; shift - [ ! -f "$filebase.$ext" ] || exit1 "output file \"$filebase.$ext\" already exist. Remove it and try again." - case $passes in - 0) - ffmpeg -i "$infile" $opts "$@" -f "$ext" -y "$filebase.$ext" - ;; - 1) - [ ! -f "$filebase"-*.log ] || exit1 "logfiles already exist. Remove them (or wait for that other process to complete) and try again." - ffmpeg -i "$infile" -pass 1 -passlogfile "$filebase" "$@" -an -f "$ext" -y /dev/null - ;; - 2) - [ -f "$filebase"-*.log ] || exit1 "logfiles missing. Pass 2 cannot succeed without a prior pass 1." - ffmpeg -i "$infile" -pass 2 -passlogfile "$filebase" "$@" -y "$filebase.$ext" - rm "$filebase"-*.log - case $ext in - mp4) - mv "$filebase.$ext" "$filebase.$ext"~ - qt-faststart "$filebase.$ext"~ "$filebase.$ext" - [ -f "$filebase.$ext" ] && rm "$filebase.$ext"~ || exit1 "failed to optimize with qt-faststart." - ;; - esac - ;; - esac -} +# TODO: When verified beneficial, add option real_time=-2 +opts_common="${bitrate:+b=${bitrate}} ${size:+s=$size} ${aspect:+aspect=$aspect}" +opts_audio="ac=2 ar=44100 ab=96k" -opts_common="-threads 0 -b ${bitrate}k ${size:+-s $size} ${aspect:+-aspect $aspect}" -opts_audio="-ac 2 -ar 44100 -ab 96k" -opts_webm="-vcodec libvpx -keyint_min 0 -g 250 -skip_threshold 0" +# bail out (before any expensive tasks) if logfiles exists +[ ! -f x264-*.log* ] || exit1 "logfiles already exist. Remove them (or wait for that other process using them to complete) and try again." ## Theora/Vorbis/Ogg -_ffmpeg 0 ogg $opts_common -vcodec libtheora -acodec libvorbis $opts_audio +melt -consumer avformat:"$filebase.ogg" f=ogg vcodec=libtheora $opts_common acodec=libvorbis aq=25 $opts_audio "$@" ## H.264/AAC/MP4 -_ffmpeg 1 mp4 $opts_common -vcodec libx264 -vpre medium_firstpass -vpre baseline -_ffmpeg 2 mp4 $opts_common -vcodec libx264 -vpre medium -vpre baseline -acodec libvo_aacenc $opts_audio +melt -consumer avformat:/dev/null f=mp4 properties=x264-medium-$h264profile $opts_common pass=1 an=1 fastfirstpass=1 "$@" +melt -consumer avformat:"$filebase.mp4" properties=x264-medium-$h264profile $opts_common pass=2 acodec=libvo_aacenc $opts_audio "$@" +mv "$filebase.mp4" "$filebase.mp4"~ +qt-faststart "$filebase.mp4"~ "$filebase.mp4" +[ -f "$filebase.mp4" ] && rm "$filebase.mp4"~ || exit1 "failed to optimize with qt-faststart." ## VP8/Vorbis/WebM -! ffmpeg -codecs | grep -iw vp8 || webm=yes -[ -z "$webm" ] || _ffmpeg 1 webm $opts_common $opts_webm -[ -z "$webm" ] || _ffmpeg 2 webm $opts_common $opts_webm -acodec libvorbis $opts_audio +# TODO: use two-pass when supported by melt +melt -consumer avformat:"$filebase.webm" properties=webm $opts_common $opts_audio "$@" ## JPEG preview -ffmpegthumbnailer -s0 -i "$filebase.ogg" -o "$filebase.jpg" +ffmpegthumbnailer -s0 -i "$filebase.mp4" -o "$filebase.jpg" # resolve width and height from preview image size=$(jpeginfo "$filebase.jpg" | perl -ane 'print "$F[1]x$F[3]"') -- cgit v1.2.3