diff --git a/.bashrc b/.bashrc
index 3e5ccc8c..6afcfded 100644
--- a/.bashrc
+++ b/.bashrc
@@ -23,6 +23,5 @@ source "${SHELL_DIR}/options_bash"
 ## Source order should not matter.
 source "${SHELL_DIR}/alias_rc"
 source "${SHELL_DIR}/funs_rc"
-source "${SHELL_DIR}/funs_transcode"
 source "${SHELL_DIR}/funs_bash"
 source "${SHELL_DIR}/personal_rc"
diff --git a/.shell.d/funs_rc b/.shell.d/funs_rc
index d8944fbd..26bcaf9d 100644
--- a/.shell.d/funs_rc
+++ b/.shell.d/funs_rc
@@ -849,13 +849,13 @@ formatc()
 }
 
 ##==============================================================================
-## Pacman Functions
+## Pacman functions
 ##==============================================================================
 
 [ -n "$(command -v pacman)" ] && . "${SHELL_DIR}/funs_pacman"
 
 ##==============================================================================
-## FreeBSD Functions
+## FreeBSD functions
 ##==============================================================================
 
 [ "$(uname)" = FreeBSD ] && . "${SHELL_DIR}/funs_freebsd"
@@ -882,3 +882,9 @@ if [ -d "/usr/local/texlive" ]; then
         sudo sh -c 'umask 022 && tlmgr remove $0 $@' "$@" 
     }
 fi
+
+##==============================================================================
+## Transcoding functions
+##==============================================================================
+
+[ -n "$(command -v ffmpeg)" ] && . "${SHELL_DIR}/funs_transcode"
diff --git a/.shell.d/funs_transcode b/.shell.d/funs_transcode
index 72622e59..cb2f4dfb 100644
--- a/.shell.d/funs_transcode
+++ b/.shell.d/funs_transcode
@@ -87,12 +87,6 @@ tc_text_2utf8 ()
 TC_AUDIO_QUAL=192k
 TC_OUTDIR="$HOME/temp"
 
-## TODO: as parameter instead.
-## What to do if file exists:
-# -y overwrite
-# -n do not overwrite.
-TC_OVERWRITE=-n
-
 ## quality*size ~= 1/speed
 # ultrafast, superfast, veryfast, faster, fast, medium, slow, slower, veryslow, placebo
 TC_VIDEO_PRESET=slow
@@ -127,28 +121,86 @@ tc_audio()
     ffmpeg -threads 4 $TC_OVERWRITE -i "$1" -vn -c:a libvorbis -b:a $TC_AUDIO_QUAL "${1%.*}-$(date "+%F-%H%M%S").ogg"
 }
 
-
-tc_splice()
+tc_transcode()
 {
-    ## Note: we put the time options *before* the input file so that it uses
-    ## keyframes, thus being much faster butless accurate.
-    _tc_splice()
+    _printhelp()
     {
-        echo "================================================================================"
-        ffmpeg $TC_OVERWRITE  -ss 60 -t 600 -i "$1" -c:v copy -c:a copy -c:s copy -map 0 "${1%.*}-$(date "+%F-%H%M%S").${1##*.}"
+        echo "Synopsis:"
+        echo -e "  $1 [-f|-h|-s] FILES"
+        echo
+        echo "Usage:"
+        echo -e "  default:\tTranscode FILES to .mkv with x264 and ogg. Output files are the same as the original, with time appended. You can customize encoding with the TC_* variables."
+        echo -e "  -f:\t\tOverwrite existing file if any."
+        echo -e "  -h:\t\tDisplay this help."
+        echo -e "  -s:\t\tSample of ten minutes."
     }
 
+    ## What to do if file exists:
+    # -y overwrite
+    # -n do not overwrite.
+    local TC_OVERWRITE
+    TC_OVERWRITE=-n
+
+    local TC_SAMPLE
+    TC_SAMPLE=""
+
+    while getopts ":fhs" opt; do
+        case $opt in
+            f)
+                TC_OVERWRITE=-y
+                ;;
+            h)
+                _printhelp "$0"
+                return 1
+                ;;
+            s)
+                TC_SAMPLE="-ss 60 -t 600 -i"
+                ;;
+            ?) 
+                _printhelp "$0"
+                return 1
+                ;;
+            :)
+                echo "Missing argument."
+                echo "Use $0 -h for help."
+                return 1
+                ;;
+        esac
+    done
+
+    shift $(($OPTIND - 1))
+
+
+    ## Zsh compatibility
+    local STATUS
+    STATUS="$(set -o | grep 'shwordsplit' | awk '{print $2}')"
+    if [ "$STATUS" = "off" ]; then
+        set -o shwordsplit
+    fi
+
+
     if [ $# -eq 0 ]; then
-        tc_splice .
+        tc_transcode .
         return
     fi
 
+    _tc_transcode()
+    {
+        echo "================================================================================"
+        ffmpeg $TC_OVERWRITE $TC_SAMPLE -i "$1" \
+            -c:v libx264 -preset $TC_VIDEO_PRESET -crf $TC_VIDEO_QUAL $TC_VIDEO_TUNE $TC_VIDEO_OPTS \
+            -c:a libvorbis -b:a $TC_AUDIO_QUAL \
+            -c:s copy \
+            -map 0 "${1%.*}-$(date "+%F-%H%M%S").mkv"
+    }
+
     for i in "$@"; do
         if [ -d "$i" ]; then
             
             local IFS
             IFS="
 "
+
             ## TODO: provide max-depth as option.
             for i in $(find "$i"  \( \
                 -iname '*.mkv' -o \
@@ -158,37 +210,22 @@ tc_splice()
                 -iname '*.flv' -o \
                 -iname '*.wmv' -o \
                 -iname '*.mpg' \) ); do
-                 _tc_splice $i
+                 _tc_transcode $i
             done
 
         else
-            _tc_splice "$i"
+            _tc_transcode "$i"
         fi
 
     done
-}
 
-## TODO: splice should be a parameter for transcode.
-tc_transcode()
-{
-    ## Zsh compatibility
-    local STATUS="$(set -o | grep 'shwordsplit' | awk '{print $2}')"
-    if [ "$STATUS" = "off" ]; then
-        set -o shwordsplit
-    fi
-
-    echo "================================================================================"
-    ffmpeg $TC_OVERWRITE -i "$1" \
-        -c:v libx264 -preset $TC_VIDEO_PRESET -crf $TC_VIDEO_QUAL $TC_VIDEO_TUNE $TC_VIDEO_OPTS \
-        -c:a libvorbis -b:a $TC_AUDIO_QUAL \
-        -c:s copy \
-        -map 0 "${1%.*}-$(date "+%F-%H%M%S").mkv"
 
     ## Restore Zsh previous options. This will not turn off shwordsplit if it
     ## was on before calling the function.
     if [ "$STATUS" = "off" ]; then
         set +o shwordsplit
     fi
+
 }
 
 # tc_mux()
diff --git a/.zshrc b/.zshrc
index e7b8291a..0a787288 100644
--- a/.zshrc
+++ b/.zshrc
@@ -18,7 +18,6 @@ source "${SHELL_DIR}/options_zsh"
 source "${SHELL_DIR}/alias_rc"
 source "${SHELL_DIR}/colors_zsh"    
 source "${SHELL_DIR}/funs_rc"
-source "${SHELL_DIR}/funs_transcode"
 source "${SHELL_DIR}/keys_zsh"
 source "${SHELL_DIR}/personal_rc"