Exemplo n.º 1
0
func TestInitialiseFromHeaderBlockWithValidHeaders(t *testing.T) {
	buf, reader := bufWrap(id3v2_header)
	buf[3] = 2
	buf[4] = 0
	tag, err := id3v2.ExtractTag(reader)
	if err != nil {
		t.Error(err)
		return
	}
	assert(t, tag.Version() == "2.0", "expected version 2.0, got", tag.Version())

	buf[3] = 3
	tag, err = id3v2.ExtractTag(reader)
	if err != nil {
		t.Error(err)
		return
	}
	assert(t, tag.Version() == "3.0", "expected version 3.0, got", tag.Version())

	buf[3] = 4
	tag, err = id3v2.ExtractTag(reader)
	if err != nil {
		t.Error(err)
		return
	}
	assert(t, tag.Version() == "4.0", "expected version 4.0, got", tag.Version())
}
Exemplo n.º 2
0
func TestNonSupportedVersionInId3v2HeaderBlock(t *testing.T) {
	buf, reader := bufWrap(id3v2_header)
	buf[3] = 5
	buf[4] = 0
	_, err := id3v2.ExtractTag(reader)
	assert(t, err != nil, "expected error (wrong ID3v2 version), got nil")
}
Exemplo n.º 3
0
// FIXME: use some minimal interface instead of os.File in the argument
// TODO: verify if errors handling (and ignoring) is ok
func ParseFile(raw *os.File, bufferLength int) (*File, os.Error) {
	if bufferLength == 0 {
		bufferLength = DEFAULT_BUFFER_LENGTH
	}
	mp3file := &File{
		startOffset: -1,
		endOffset:   -1,
		xingOffset:  -1,
		bitrates:    make(map[int]int)}
	mp3file.calcLength(raw)
	// TODO: try to move all Seek()s into this function

	mp3file.id3v1tag, _ = ExtractId3v1Tag(raw)

	offset := int64(0)
	id3v2tagHeader, _ := id3v2.ExtractTagHeader(raw)
	if id3v2tagHeader != nil {
		offset = int64(len(id3v2tagHeader)) + int64(id3v2tagHeader.DataLength())
	}

	err := mp3file.scanFile(raw, offset, bufferLength)
	if err != nil {
		return nil, err
	}
	if mp3file.startOffset < 0 {
		return nil, os.NewError("No mpegs frames found")
	}
	mp3file.id3v2tag, _ = id3v2.ExtractTag(raw)
	mp3file.extractCustomTag(raw)

	return mp3file, nil
}
Exemplo n.º 4
0
func TestCalculateCorrectDataLengthsFromHeaderBlock(t *testing.T) {
	buf, reader := bufWrap(id3v2_header)
	tag, err := id3v2.ExtractTag(reader)
	if err != nil {
		t.Error(err)
		return
	}
	assert(t, tag.DataLength() == 257, "data length expected 257, got", tag.DataLength())

	buf[8] = 0x09
	buf[9] = 0x41
	tag, err = id3v2.ExtractTag(reader)
	if err != nil {
		t.Error(err)
		return
	}
	assert(t, tag.DataLength() == 1217, "data length expected 1217, got", tag.DataLength())
}
Exemplo n.º 5
0
func loadId3TagFile(fname string) (*id3v2.Tag, os.Error) {
	f, err := os.Open(RES_DIR+fname, os.O_RDONLY, 0)
	if err != nil {
		return nil, err
	}
	defer f.Close()

	tag, err := id3v2.ExtractTag(f)
	if err != nil {
		return nil, err
	}

	return tag, nil
}