Examples of org.farng.mp3.id3.FrameBodyRVA2

org.farng.mp3.id3.FrameBodyTIT2

4.11.   Relative volume adjustment (2)

   This is a more subjective frame than the previous ones. It allows the
   user to say how much he wants to increase/decrease the volume on each
   channel when the file is played. The purpose is to be able to align

   all files to a reference volume, so that you don't have to change the
   volume constantly. This frame may also be used to balance adjust the
   audio. The volume adjustment is encoded as a fixed point decibel
   value, 16 bit signed integer representing (adjustment*512), giving
   +/- 64 dB with a precision of 0.001953125 dB. E.g. +2 dB is stored as

   $04 00 and -2 dB is $FC 00. There may be more than one "RVA2" frame
   in each tag, but only one with the same identification string.

     <Header for 'Relative volume adjustment (2)', ID: "RVA2">

Identification          <text string> $00

   The 'identification' string is used to identify the situation and/or
   device where this adjustment should apply. The following is then
   repeated for every channel

     Type of channel         $xx
     Volume adjustment       $xx xx
     Bits representing peak $xx

     Peak volume             $xx (xx ...)

   Type of channel: $00 Other

$01 Master volume
                     $02 Front right
                     $03 Front left

                     $04 Back right
                     $05 Back left
                     $06 Front centre

                     $07 Back centre
                     $08 Subwoofer

   Bits representing peak can be any number between 0 and 255. 0 means

   that there is no peak volume field. The peak volume field is always
   padded to whole bytes, setting the most significant bits to zero.

@author Eric Farng @version $Revision: 1.3 $

        mp3file = new MP3File();
        id3v1 = new ID3v1_1();
        id3v2 = new ID3v2_4();
        lyrics3 = new Lyrics3v2();
        filename = FilenameTagBuilder.createEmptyFilenameTag();
        frame = new ID3v2_4Frame(new FrameBodyTCON((byte) 0, "(42) Soul"));
        id3v1.setGenre((byte) 42);
        id3v2.setFrame(frame);
        try {
            ((Lyrics3v2) lyrics3).setField(new Lyrics3v2Field(frame));
            fail("Somehow created a TCON (genre) Lyrics3v2 Field");

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                .equals(testString);
        mp3file.setID3v1Tag(new ID3v1_1());
        mp3file.setID3v2Tag(new ID3v2_4());
        mp3file.setLyrics3Tag(new Lyrics3v2());
        mp3file.setFilenameTag(FilenameTagBuilder.createEmptyFilenameTag());
        frameBody = new FrameBodyTCON();
        ((FrameBodyTCON) frameBody).setText("42");
        frame.setBody(frameBody);
        mp3file.setFrameAcrossTags(frame);
        assertEquals(42, mp3file.getID3v1Tag().getGenre());
        ((FrameBodyTCON) mp3file.getID3v2Tag().getFrame("TCON").getBody()).getText().equals("42");

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        mp3file = new MP3File();
        id3v1 = new ID3v1_1();
        id3v2 = new ID3v2_4();
        lyrics3 = new Lyrics3v2();
        filename = FilenameTagBuilder.createEmptyFilenameTag();
        frame = new ID3v2_4Frame(new FrameBodyTDRC((byte) 0, "1992"));
        id3v1.setYear("1992");
        id3v2.setFrame(frame);
        try {
            ((Lyrics3v2) lyrics3).setField(new Lyrics3v2Field(frame));
            fail("Somehow created a TDRC (year) Lyrics3v2 Field");

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        ((FrameBodyTALB) mp3file.getFilenameTag().getFrame("TALB").getBody()).getText().equals(testString);
        mp3file.setID3v1Tag(new ID3v1_1());
        mp3file.setID3v2Tag(new ID3v2_4());
        mp3file.setLyrics3Tag(new Lyrics3v2());
        mp3file.setFilenameTag(FilenameTagBuilder.createEmptyFilenameTag());
        frameBody = new FrameBodyTDRC();
        ((FrameBodyTDRC) frameBody).setText("2003");
        frame.setBody(frameBody);
        mp3file.setFrameAcrossTags(frame);
        mp3file.getID3v1Tag().getYear().equals("2003");
        ((FrameBodyTDRC) mp3file.getID3v2Tag().getFrame("TDRC").getBody()).getText().equals("2003");

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    public String getYearReleased() {
        String text = null;
        AbstractID3v2Frame frame = getFrame("TDRC");
        if (frame != null) {
            FrameBodyTDRC body = (FrameBodyTDRC) frame.getBody();
            text = body.getText();
        }
        return text.trim();
    }

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    }


    public void setYearReleased(String yearReleased) {
        AbstractID3v2Frame field = getFrame("TDRC");
        if (field == null) {
            field = new ID3v2_3Frame(new FrameBodyTDRC((byte) 0, yearReleased.trim()));
            setFrame(field);
        } else {
            ((FrameBodyTDRC) field.getBody()).setText(yearReleased.trim());
        }
    }

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        // test all different fields
        List frameList;
        final String testString = "Test String";
        mp3file = new MP3File();
        frame = new ID3v2_4Frame(new FrameBodyTIT2((byte) 0, testString));
        id3v1 = new ID3v1_1();
        id3v2 = new ID3v2_4();
        lyrics3 = new Lyrics3v2();
        filename = FilenameTagBuilder.createEmptyFilenameTag();
        id3v1.setTitle(testString);

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        assertEquals(0, mp3.getUnsynchronizedFragments().size());
        filename.setFrame(frame);
        assertEquals(0, mp3.getUnsynchronizedFragments().size());


        // test differences
        body = new FrameBodyTIT2((byte) 0, "<song title>");
        frame = new ID3v2_4Frame();
        frame.setBody(body);
        filename.setFrame(frame);
        assertEquals(0, mp3.getUnsynchronizedFragments().size());
        id3v1.setTitle("different");
        assertEquals(1, mp3.getUnsynchronizedFragments().size());
        id3v1.setTitle("<song title>");
        assertEquals(0, mp3.getUnsynchronizedFragments().size());
        lyrics3.setField(new Lyrics3v2Field(new FieldBodyETT("different")));
        assertEquals(1, mp3.getUnsynchronizedFragments().size());
        lyrics3.setField(new Lyrics3v2Field(new FieldBodyETT("<song title>")));
        assertEquals(0, mp3.getUnsynchronizedFragments().size());
        body = new FrameBodyTIT2((byte) 0, "different");
        frame = new ID3v2_4Frame(body);
        id3v2.setFrame(frame);
        assertEquals(1, mp3.getUnsynchronizedFragments().size());


        // test two differences

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        // test all
        mp3file.setID3v1Tag(new ID3v1_1());
        mp3file.setID3v2Tag(new ID3v2_4());
        mp3file.setLyrics3Tag(new Lyrics3v2());
        mp3file.setFilenameTag(FilenameTagBuilder.createEmptyFilenameTag());
        frameBody = new FrameBodyTIT2();
        ((FrameBodyTIT2) frameBody).setText(testString);
        frame.setBody(frameBody);
        mp3file.setFrameAcrossTags(frame);
        mp3file.getID3v1Tag().getTitle().equals(testString);
        ((FrameBodyTIT2) mp3file.getID3v2Tag().getFrame("TIT2").getBody()).getText().equals(testString);

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    public String getSongTitle() {
        String text = null;
        AbstractID3v2Frame frame = getFrame("TIT2");
        if (frame != null) {
            FrameBodyTIT2 body = (FrameBodyTIT2) frame.getBody();
            text = body.getText();
        }
        return text.trim();
    }

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Examples of org.farng.mp3.id3.FrameBodyRVA2

4.11. Relative volume adjustment (2)

Related Classes of org.farng.mp3.id3.FrameBodyRVA2