ytconv

commit f3456e1a4ec00031c0cc9ca4e9e01ea1f57c7cb1
Author: sin <sin@2f30.org>
Date:   Thu, 20 Jun 2013 12:46:54 +0100

Initial commit

Diffstat:
A
ytconv
 | 
96
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 96 insertions(+), 0 deletions(-)
diff --git a/ytconv b/ytconv
@@ -0,0 +1,96 @@
+#!/bin/bash
+
+if [[ $# -lt 2 ]]; then
+    echo "usage: ytconv [options] [<image>] <audio 1> [<audio 2> [.. <audio N>]]"
+    echo -e "\nOptions:"
+    echo -e "\t-t\t\tproduce only out.txt"
+    exit 1
+fi
+
+if [[ "$1" != "-t" ]]; then
+    identify "$1" > /dev/null 2>&1 || {
+        echo "ERROR: \`$1' is not an image file."
+        exit 1
+    }
+
+    TMP_DIR=$(mktemp -d /tmp/tmp.ytconv.$$.XXXXXX)
+    TMP_IMG=${TMP_DIR}/image.png
+    TMP_ALIST=${TMP_DIR}/audio_list
+
+    echo "Converting image .."
+    IMG="$1"
+    shift 1 # remove image from args
+    convert "${IMG}" ${TMP_IMG}
+    mogrify -resize 1920x1080 ${TMP_IMG}
+    # ffmpeg does not accept images with odd width or height
+    IW=$(identify -format '%w' ${TMP_IMG})
+    IH=$(identify -format '%h' ${TMP_IMG})
+    if [[ $(( $IW % 2 )) -ne 0 ]]; then
+        IW=$(( $IW - 1 ))
+        mogrify -crop "${IW}x${IH}+0+0" ${TMP_IMG}
+    fi
+    if [[ $(( $IH % 2 )) -ne 0 ]]; then
+        IH=$(( $IH - 1 ))
+        mogrify -crop "${IW}x${IH}+0+0" ${TMP_IMG}
+    fi
+
+    for x in "$@"; do
+        FILE_PATH=$(realpath "$x")
+        # because ffmpeg doesn't have a way to escape all special characters we
+        # create a symbolic link of the file that contains only alfanumeric characters
+        LN_FILE=$(mktemp ${TMP_DIR}/XXXXXX.${x##*.})
+        ln -fs "$FILE_PATH" "$LN_FILE"
+        echo file \'"$LN_FILE"\' >> "$TMP_ALIST"
+    done
+
+    (ffmpeg -codecs 2> /dev/null | grep libfdk_aac > /dev/null) && aac_codec="libfdk_aac"
+    [[ -z "$aac_codec" ]] && (ffmpeg -codecs 2> /dev/null | grep libfaac > /dev/null) && aac_codec="libfaac"
+    [[ -z "$aac_codec" ]] && aac_codec="aac"
+
+    ffmpeg -loop 1 -i ${TMP_IMG} -f concat -i ${TMP_ALIST} -shortest -pix_fmt yuvj420p -c:a ${aac_codec} -b:a 512k -ar 96k -c:v libx264 -strict -2 out.mp4
+
+    ret=$?
+    rm -rf ${TMP_DIR}
+    [[ $ret -ne 0 ]] && exit $ret
+else
+    shift 1 # remove -t from args
+    identify "$1" > /dev/null 2>&1 && shift 1 # remove image from args
+fi
+
+rm -f out.txt
+H=0
+M=0
+S=0
+CS=0
+
+for x in "$@"; do
+    nm=$(echo "$x" | sed -e 's/\([:digit:]*\) \?[-. ] \?/\1. /')
+    printf "[%02d:%02d:%02d] %s\n" $H $M $S "${nm%.*}" >> out.txt
+
+    t=$(ffmpeg -i "$x" 2>&1 | grep 'Duration:' | tr ',' ' ' | awk '{print $2}')
+    t=$(echo $t | tr ':.' ' ')
+    t=${t// 0/ }
+    t=( ${t#0*} )
+
+    H=$(( ${t[0]} + $H ))
+    M=$(( ${t[1]} + $M ))
+    S=$(( ${t[2]} + $S ))
+    CS=$(( ${t[3]} + $CS ))
+
+    if [[ $CS -ge 100 ]]; then
+        S=$(( $S + 1 ))
+        CS=$(( $CS - 100 ))
+    fi
+
+    if [[ $S -ge 60 ]]; then
+        M=$(( $M + 1 ))
+        S=$(( $S - 60 ))
+    fi
+
+    if [[ $M -ge 60 ]]; then
+        H=$(( $H + 1 ))
+        M=$(( $M - 60 ))
+    fi
+done
+
+exit 0