diff options
Diffstat (limited to 'streamdev-server/externremux.sh')
| -rwxr-xr-x | streamdev-server/externremux.sh | 86 |
1 files changed, 67 insertions, 19 deletions
diff --git a/streamdev-server/externremux.sh b/streamdev-server/externremux.sh index 21cc60d..20fda78 100755 --- a/streamdev-server/externremux.sh +++ b/streamdev-server/externremux.sh @@ -16,6 +16,8 @@ # VBR video bitrate (kbit) # VOPTS custom video options # WIDTH scale video to width +# HEIGHT scale video to height +# FPS output frames per second # AC audio codec # ABR audio bitrate (kbit) # AOPTS custom audio options @@ -42,14 +44,22 @@ ABR_MONO=64 ### # mencoder binary MENCODER=mencoder +### video part # Default video codec (e.g. lavc/x264/copy) MENCODER_VC=lavc +# Default video options if lavc is used (-ovc lavc -lavcopts ...) +MENCODER_LAVC_VOPTS=vcodec=mpeg4 +# Default video options if x264 is used (-ovc x264 -x264encopts ...) +MENCODER_X264_VOPTS=threads=auto +### audio part # Default audio codec (e.g. lavc/mp3lame/faac/copy) MENCODER_AC=mp3lame -# Default video codec if lavc is used (-ovc lavc -lavcopts vcodec=) -MENCODER_LAVC_VC=mpeg4 -# Default audio codec if lavc is used (-oac lavc -lavcopts acodec=) -MENCODER_LAVC_AC=mp2 +# Default audio options if lavc is used (-oac lavc -lavcopts ...) +MENCODER_LAVC_AOPTS=acodec=mp2 +# Default audio options if mp3lame is used (-oac mp3lame -lameopts ...) +MENCODER_LAME_AOPTS= +# Default audio options if faac is used (-oac faac -faacopts ...) +MENCODER_FAAC_AOPTS= ### ### MENCODER CONFIG END @@ -63,6 +73,8 @@ OGG_SPEED=1 OGG_VQUALITY=0 # audioquality - higher value gives better quality but is slower (0..10) OGG_AQUALITY=0 +# aspect ratio used for scaling if only one of HEIGHT/WIDTH given (16/9 or 4/3) +OGG_ASPECT='4 / 3' ### ### OGG CONFIG END @@ -70,7 +82,19 @@ OGG_AQUALITY=0 function hasOpt { echo "$1" | grep -q "\b${2}\b"; } -function isNumeric() { echo "$@" | grep -q '^[0-9]\{1,\}$'; } +# $1: concatenation of already set option=value pairs +# $2-$n: option=value pairs to be echod if the option is not present in $1 +function addOpts +{ + local opts="$1" + shift + while [ $# -gt 0 ]; do + hasOpt "$opts" ${1%%=*}= || echo $1 + shift + done +} + +function isNumeric() { echo "$@" | grep -q '^-\?[0-9]\{1,\}$'; } function remux_cat { @@ -87,21 +111,32 @@ function remux_mencoder # Assemble video options VC=${REMUX_PARAM_VC:-$MENCODER_VC} VOPTS=${REMUX_PARAM_VOPTS} - WIDTH=${REMUX_PARAM_WIDTH:-$WIDTH} + FPS=${REMUX_PARAM_FPS:-$FPS} + + # if only one of HEIGHT/WIDTH given: + # have mencoder calculate other value depending on actual aspect ratio + if [ "$HEIGHT" -a -z "$WIDTH" ]; then + WIDTH=-3 + elif [ "$WIDTH" -a -z "$HEIGHT" ]; then + HEIGHT=-3 + fi + case "$VC" in lavc) LAVCOPTS=( ${VOPTS} - $(hasOpt "$VOPTS" vcodec || echo "vcodec=$MENCODER_LAVC_VC") + $(IFS=$IFS:; addOpts "$VOPTS" $MENCODER_LAVC_VOPTS) ${VBR:+vbitrate=$VBR} ) [ ${#LAVCOPTS[*]} -gt 0 ] && VOPTS=$(IFS=:; echo -lavcopts "${LAVCOPTS[*]}") ;; x264) + isNumeric "$HEIGHT" && [ $HEIGHT -lt 0 -a $HEIGHT -gt -8 ] && ((HEIGHT-=8)) + isNumeric "$WIDTH" && [ $WIDTH -lt 0 -a $WIDTH -gt -8 ] && ((WIDTH-=8)) X264OPTS=( ${VOPTS} - $(hasOpt "$VOPTS" threads || echo "threads=auto") - ${VBR:+bitrate=$ABR} + $(IFS=$IFS:; addOpts "$VOPTS" $MENCODER_X264_VOPTS) + ${VBR:+bitrate=$VBR} ) [ ${#X264OPTS[*]} -gt 0 ] && VOPTS=$(IFS=:; echo -x264encopts "${X264OPTS[*]}") ;; @@ -121,7 +156,7 @@ function remux_mencoder LAVCOPTS=( ${LAVCOPTS[*]} ${AOPTS} - $(hasOpt "$AOPTS" acodec || echo "acodec=$MENCODER_LAVC_AC") + $(IFS=$IFS:; addOpts "$AOPTS" $MENCODER_LAVC_AOPTS) ${ABR:+abitrate=$ABR} ) @@ -133,6 +168,7 @@ function remux_mencoder LAMEOPTS=( ${AOPTS} $(isNumeric "${ABR}" && [ "${ABR}" -lt "$ABR_MONO" ] && ! hasOpt "${AOPTS}" mode ] && echo 'mode=3') + $(IFS=$IFS:; addOpts "$AOPTS" $MENCODER_LAME_AOPTS) ${ABR:+preset=$ABR} ) [ ${#LAMEOPTS[*]} -gt 0 ] && AOPTS=$(IFS=:; echo -lameopts "${LAMEOPTS[*]}") @@ -140,6 +176,7 @@ function remux_mencoder faac) FAACOPTS=( ${AOPTS} + $(IFS=$IFS:; addOpts "$AOPTS" $MENCODER_FAAC_AOPTS) ${ABR:+br=$ABR} ) [ ${#FAACOPTS[*]} -gt 0 ] && AOPTS=$(IFS=:; echo -faacopts "${FAACOPTS[*]}") @@ -155,15 +192,17 @@ function remux_mencoder startReply exec 3<&0 - echo "$MENCODER" \ + echo $MENCODER \ -ovc $VC $VOPTS \ -oac $AC $AOPTS \ - ${WIDTH:+-vf scale -zoom -xy $WIDTH} \ + ${WIDTH:+-vf scale=$WIDTH:$HEIGHT -zoom} \ + ${FPS:+-ofps $FPS} \ -o "$FIFO" -- - >&2 - "$MENCODER" \ + $MENCODER \ -ovc $VC $VOPTS \ -oac $AC $AOPTS \ - ${WIDTH:+-vf scale -zoom -xy $WIDTH} \ + ${WIDTH:+-vf scale=$WIDTH:$HEIGHT -zoom} \ + ${FPS:+-ofps $FPS} \ -o "$FIFO" -- - 0<&3 >/dev/null & } @@ -171,7 +210,15 @@ function remux_ogg { VOPTS=${REMUX_PARAM_VOPTS//[:=]/ } AOPTS=${REMUX_PARAM_AOPTS//[:=]/ } - WIDTH=${REMUX_PARAM_WIDTH:-$WIDTH} + + # if only one of HEIGHT/WIDTH given: + # calculate other value depending on configured aspect ratio + # trim to multiple of 8 + if [ "$HEIGHT" -a -z "$WIDTH" ]; then + WIDTH=$((HEIGHT * $OGG_ASPECT / 8 * 8)) + elif [ "$WIDTH" -a -z "$HEIGHT" ]; then + HEIGHT=$(($WIDTH * $( echo $OGG_ASPECT | sed 's#^\([0-9]\+\) */ *\([0-9]\+\)$#\2 / \1#') / 8 * 8)) + fi OGGOPTS=( ${VOPTS} @@ -187,14 +234,14 @@ function remux_ogg startReply exec 3<&0 - echo "$OGG" --format ts \ + echo $OGG --format ts \ ${OGGOPTS[*]} \ - ${WIDTH:+--width $WIDTH --height $(($WIDTH * 3 / 4 / 8 * 8))} \ + ${WIDTH:+--width $WIDTH --height $HEIGHT} \ --title "VDR Streamdev: ${REMUX_CHANNEL_NAME}" \ --output "$FIFO" -- - 0<&3 >&2 - "$OGG" --format ts \ + $OGG --format ts \ ${OGGOPTS[*]} \ - ${WIDTH:+--width $WIDTH --height $(($WIDTH * 3 / 4 / 8 * 8))} \ + ${WIDTH:+--width $WIDTH --height $HEIGHT} \ --title "VDR Streamdev: ${REMUX_CHANNEL_NAME}" \ --output "$FIFO" -- - 0<&3 >/dev/null & } @@ -254,6 +301,7 @@ esac ABR=${REMUX_PARAM_ABR:-$ABR} VBR=${REMUX_PARAM_VBR:-$VBR} WIDTH=${REMUX_PARAM_WIDTH:-$WIDTH} +HEIGHT=${REMUX_PARAM_HEIGHT:-$HEIGHT} PROG=${REMUX_PARAM_PROG:-$PROG} case "$PROG" in |