diff options
| author | Jonas Smedegaard <dr@jones.dk> | 2014-10-09 14:20:26 +0200 |
|---|---|---|
| committer | Jonas Smedegaard <dr@jones.dk> | 2014-10-09 14:34:10 +0200 |
| commit | c1da53f97c418affa9e3a2dbe765073896751504 (patch) | |
| tree | f3b5894139dc31ec56bf41d59dd35025f10c5967 /localvideowebencode | |
| parent | b511e81d3aa38ae9e74474979274636d13a7ebdd (diff) | |
Encode MPEG-4 with mp3 audio (using lame library) instead of AAC: Arguably all free AAC encoders are worse than Lame.
Diffstat (limited to 'localvideowebencode')
| -rwxr-xr-x | localvideowebencode | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/localvideowebencode b/localvideowebencode index 168026d..552213f 100755 --- a/localvideowebencode +++ b/localvideowebencode @@ -197,6 +197,10 @@ if [ -n "$use_avconv_vp8$use_avconv_vp9$use_vpxenc" ]; then [ -z "$use_oggenc$use_opusenc" ] || use_wav=yes [ -z "$use_avconv_ogg$use_avconv_opus" ] || use_matroska=yes fi +# Avoid AAC if possible: Lame arguably better than any free AAC encoder +# Argument for AAC: Safari possibly lacks mp3 support in video container +#use_aac=yes +[ -n "$use_aac" ] || use_mp3=yes # resolve quality/speed hints multipass=yes @@ -363,6 +367,7 @@ fi # default per-codec-channel bitrates quality_vorbis=3 bitrate_opus=48 +bitrate_mp3=64 bitrate_aac=64 case "$audio" in @@ -373,12 +378,14 @@ case "$audio" in stereo=yes quality_vorbis=1 bitrate_opus=32 + bitrate_mp3=48 opusapp=voip ;; speech) mono=yes quality_vorbis=1 bitrate_opus=32 + bitrate_mp3=48 compress=yes [ -z "$melt_recent" ] || _melt_loudness="$loudness_data" limit=yes @@ -466,6 +473,7 @@ _oggenc_vorbis="$_oggenc_downmix -q $quality_vorbis" _melt_opus="$_melt_downmix acodec=libopus ab=$((channels*bitrate_opus))k${opusapp:+ application=$opusapp}" _avconv_opus="$_avconv_downmix -c:a libopus -b:a $((channels*bitrate_opus))k${opusapp:+ -application $opusapp}" _opusenc_opus="$_opusenc_downmix --bitrate $((channels*bitrate_opus))" +_melt_mp3="$_melt_downmix acodec=libmp3lame ab=$((channels*bitrate_mp3))k" _melt_aac="$_melt_downmix acodec=aac ab=$((channels*bitrate_aac))k" # container options @@ -491,7 +499,7 @@ _avconv_webm_keepvideo_opus="-f webm $_avconv_video -c:v copy ${silence:+-an}${c _melt_webm_vp9="f=webm $_melt_video $_melt_vp9 ${silence:+an=1 audio_off=1}${channels:+$_melt_opus}" _avconv_webm_vp9="-f webm $_avconv_video $_avconv_vp9 ${silence:+-an}${channels:+$_avconv_opus}" _avconv_webm_onlyvideo_vp9="-f webm $_avconv_video $_avconv_vp9 -an}" -_melt_mp4="f=mp4 $_melt_video $_melt_h264 ${silence:+an=1 audio_off=1}${channels:+$_melt_aac}" +_melt_mp4="f=mp4 $_melt_video $_melt_h264 ${silence:+an=1 audio_off=1}${channels:+${use_mp3:+$_melt_mp3}${use_aac:+$_melt_aac}}" _melt_img="f=image2 $_melt_video" if [ -n "$loudness" ] && [ -z "$silence$_melt_loudness" ]; then |