Linux

利用中のmediatomb-transcode

2009/11/10 ぷ。コメントする

mediatombで使ってるtranscoding用スクリプト、Webで探したりもしてたけど、結局Debianのmediatomb-commonパッケージのexamplesに入ってたやつを利用中。

ということで製作者じゃないわけで、作者名が載ってないので公開していいのか判断に悩んだけど、とりあえず貼ってみる。

Lua

<div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">$ more mediatomb-transcode</div>

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<div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">$ more mediatomb-transcode</div>

Lua

$ more mediatomb-transcode #!/bin/sh # This script is used by MediaTomb for transcoding support. # Basic function that will transcode any input file into the target type # 'dvd' ffmpeg supports video_common() { local input="$1" local output="$2" ffmpeg -i "$input" -target dvd -y "$output" } # Basic function that will transcode any input file into the wav format audio_common() { local input="$1" local output="$2" ffmpeg -i "$input" -f wav -y "$output" } # Function to transcode matroska files to dvd compatible format transcode_matroska() { local input="$1" local output="$2" local alang="$3" local slang="$4" # Default to english if languages are not set [ "$alang" ] || alang="eng" [ "$slang" ] || slang="eng" # Use mencoder if available, else fall back to using ffmpeg. # Transcoding using ffmpeg will not include subtitles. if which mencoder >/dev/null 2>&1; then mencoder "$input" -oac lavc -ovc lavc -of mpeg -mc 0 -noskip \ -lavcopts vcodec=mpeg2video:vbitrate=6000:acodec=ac3:abitrate=448 \ -vf harddup -alang "$alang" \ -slang "$slang" -font 'Bitstream Vera Sans' \ -o "$output" else ffmpeg -alang "$alang" -slang "$slang" -i "$input" -target dvd \ -y "$output" fi } # Our "main" function below. USAGE=" This script is used by MediaTomb for transcoding support. It can also serve as a script to transcode various files in a format suitable for streaming directly. Synopsis: mediatomb-transcode [TRANSCODE FUNCTION OPTION] [GENERIC OPTIONS] Generic Options: -h, --help Display this help message. -i, --input Input file that is meant to be transcoded. -o, --output Output file that will be read back by MediaTomb. --audio-lang Specify ISO 639 language code to use for audio. --subtitle-lang Specify ISO 639 language code to use for subtitles. Transcode Function Options (one is required): --video-common Perform generic video transcoding. --audio-common Perform generic audio transcoding. --transcode-matroska Used in transcoding matroska files. " while [ "$#" -gt "0" ] do case "$1" in -i|--input) INPUT="$2" shift; shift; ;; -o|--output) OUTPUT="$2" shift; shift; ;; --video-common) USE_VIDEO_COMMON=1 shift ;; --audio-common) USE_AUDIO_COMMON=1 shift ;; --transcode-matroska) USE_TRANSCODE_MATROSKA=1 shift ;; --audio-lang) ALANG="$2" shift; shift; ;; --subtitle-lang) SLANG="$2" shift; shift; ;; -h|--help|*) echo "${USAGE}" exit 1 ;; esac done # Perform specified function if [ $USE_VIDEO_COMMON ]; then video_common "$INPUT" "$OUTPUT" elif [ $USE_AUDIO_COMMON ]; then audio_common "$INPUT" "$OUTPUT" elif [ $USE_TRANSCODE_MATROSKA ]; then transcode_matroska "$INPUT" "$OUTPUT" "$ALANG" "$SLANG" else # Must specify one transcoding function echo "${USAGE}" exit 1 fi

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$ more mediatomb-transcode
#!/bin/sh

# This script is used by MediaTomb for transcoding support.

# Basic function that will transcode any input file into the target type
# 'dvd' ffmpeg supports
video_common() {
    local input="$1"
    local output="$2"
    ffmpeg -i "$input" -target dvd -y "$output"
}

# Basic function that will transcode any input file into the wav format
audio_common() {
    local input="$1"
    local output="$2"
    ffmpeg -i "$input" -f wav -y "$output"
}

# Function to transcode matroska files to dvd compatible format
transcode_matroska() {
    local input="$1"
    local output="$2"
    local alang="$3"
    local slang="$4"

    # Default to english if languages are not set
    [ "$alang" ] || alang="eng"
    [ "$slang" ] || slang="eng"

    # Use mencoder if available, else fall back to using ffmpeg.
    # Transcoding using ffmpeg will not include subtitles.
    if which mencoder >/dev/null 2>&1; then
        mencoder "$input" -oac lavc -ovc lavc -of mpeg -mc 0 -noskip \
            -lavcopts vcodec=mpeg2video:vbitrate=6000:acodec=ac3:abitrate=448 \
            -vf harddup -alang "$alang" \
            -slang "$slang" -font 'Bitstream Vera Sans' \
            -o "$output"
    else
        ffmpeg -alang "$alang" -slang "$slang" -i "$input" -target dvd \
            -y "$output"
    fi
}

# Our "main" function below.

USAGE="
This script is used by MediaTomb for transcoding support. It can also serve as
a script to transcode various files in a format suitable for streaming directly.

Synopsis:
mediatomb-transcode [TRANSCODE FUNCTION OPTION] [GENERIC OPTIONS]

Generic Options:
-h, --help                 Display this help message.
-i, --input                Input file that is meant to be transcoded.
-o, --output               Output file that will be read back by MediaTomb.
--audio-lang               Specify ISO 639 language code to use for audio.
--subtitle-lang            Specify ISO 639 language code to use for subtitles.

Transcode Function Options (one is required):
--video-common             Perform generic video transcoding.
--audio-common             Perform generic audio transcoding.
--transcode-matroska       Used in transcoding matroska files.
"

while [ "$#" -gt "0" ]
do
    case "$1" in
        -i|--input)
            INPUT="$2"
            shift; shift;
            ;;
        -o|--output)
            OUTPUT="$2"
            shift; shift;
            ;;
        --video-common)
            USE_VIDEO_COMMON=1
            shift
            ;;
        --audio-common)
            USE_AUDIO_COMMON=1
            shift
            ;;
        --transcode-matroska)
            USE_TRANSCODE_MATROSKA=1
            shift
            ;;
        --audio-lang)
            ALANG="$2"
            shift; shift;
            ;;
        --subtitle-lang)
            SLANG="$2"
            shift; shift;
            ;;
        -h|--help|*)
            echo "${USAGE}"
            exit 1
            ;;
    esac
done

# Perform specified function
if [ $USE_VIDEO_COMMON ]; then
    video_common "$INPUT" "$OUTPUT"
elif [ $USE_AUDIO_COMMON ]; then
    audio_common "$INPUT" "$OUTPUT"
elif [ $USE_TRANSCODE_MATROSKA ]; then
    transcode_matroska "$INPUT" "$OUTPUT" "$ALANG" "$SLANG"
else
    # Must specify one transcoding function
    echo "${USAGE}"
    exit 1
fi

てかね、手元の動画は基本x.264/aacでmp4かxvid/mp3なaviにしてるからあんまり関係ないんだけど。なんか修正したほうがいいとことかあれば、てぃーち・みー。

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