Esempio n. 1
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    def _inject(self, fileobj):
        """Write tag data into the FLAC Vorbis comment packet/page."""

        # Ogg FLAC has no convenient data marker like Vorbis, but the
        # second packet - and second page - must be the comment data.
        fileobj.seek(0)
        page = OggPage(fileobj)
        while not page.packets[0].startswith("\x7FFLAC"):
            page = OggPage(fileobj)

        first_page = page
        while not (page.sequence == 1 and page.serial == first_page.serial):
            page = OggPage(fileobj)

        old_pages = [page]
        while not (old_pages[-1].complete or len(old_pages[-1].packets) > 1):
            page = OggPage(fileobj)
            if page.serial == first_page.serial:
                old_pages.append(page)

        packets = OggPage.to_packets(old_pages, strict=False)

        # Set the new comment block.
        data = self.write()
        data = packets[0][0] + struct.pack(">I", len(data))[-3:] + data
        packets[0] = data

        new_pages = OggPage.from_packets(packets, old_pages[0].sequence)
        OggPage.replace(fileobj, old_pages, new_pages)
Esempio n. 2
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    def _inject(self, fileobj):
        """Write tag data into the Speex comment packet/page."""

        fileobj.seek(0)

        # Find the first header page, with the stream info.
        # Use it to get the serial number.
        page = OggPage(fileobj)
        while not page.packets[0].startswith("Speex   "):
            page = OggPage(fileobj)

        # Look for the next page with that serial number, it'll start
        # the comment packet.
        serial = page.serial
        page = OggPage(fileobj)
        while page.serial != serial:
            page = OggPage(fileobj)

        # Then find all the pages with the comment packet.
        old_pages = [page]
        while not (old_pages[-1].complete or len(old_pages[-1].packets) > 1):
            page = OggPage(fileobj)
            if page.serial == old_pages[0].serial:
                old_pages.append(page)

        packets = OggPage.to_packets(old_pages, strict=False)

        # Set the new comment packet.
        packets[0] = self.write(framing=False)

        new_pages = OggPage.from_packets(packets, old_pages[0].sequence)
        OggPage.replace(fileobj, old_pages, new_pages)
Esempio n. 3
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 def __init__(self, fileobj, info):
     pages = []
     complete = False
     while not complete:
         page = OggPage(fileobj)
         if page.serial == info.serial:
             pages.append(page)
             complete = page.complete or (len(page.packets) > 1)
     data = OggPage.to_packets(pages)[0][7:]
     super(OggTheoraCommentDict, self).__init__(data + "\x01")
Esempio n. 4
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 def __init__(self, fileobj, info):
     pages = []
     complete = False
     while not complete:
         page = OggPage(fileobj)
         if page.serial == info.serial:
             pages.append(page)
             complete = page.complete or (len(page.packets) > 1)
     data = OggPage.to_packets(pages)[0] + "\x01"
     super(OggSpeexVComment, self).__init__(data, framing=False)
Esempio n. 5
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    def _inject(self, fileobj):
        """Write tag data into the Theora comment packet/page."""

        fileobj.seek(0)
        page = OggPage(fileobj)
        while not page.packets[0].startswith("\x81theora"):
            page = OggPage(fileobj)

        old_pages = [page]
        while not (old_pages[-1].complete or len(old_pages[-1].packets) > 1):
            page = OggPage(fileobj)
            if page.serial == old_pages[0].serial:
                old_pages.append(page)

        packets = OggPage.to_packets(old_pages, strict=False)

        packets[0] = "\x81theora" + self.write(framing=False)

        new_pages = OggPage.from_packets(packets, old_pages[0].sequence)
        OggPage.replace(fileobj, old_pages, new_pages)
Esempio n. 6
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 def load(self, data, info, errors='replace'):
     # data should be pointing at the start of an Ogg page, after
     # the first FLAC page.
     pages = []
     complete = False
     while not complete:
         page = OggPage(data)
         if page.serial == info.serial:
             pages.append(page)
             complete = page.complete or (len(page.packets) > 1)
     comment = StringIO(OggPage.to_packets(pages)[0][4:])
     super(OggFLACVComment, self).load(comment, errors=errors)
Esempio n. 7
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    def _inject(self, fileobj):
        """Write tag data into the Vorbis comment packet/page."""

        # Find the old pages in the file; we'll need to remove them,
        # plus grab any stray setup packet data out of them.
        fileobj.seek(0)
        page = OggPage(fileobj)
        while not page.packets[0].startswith("\x03vorbis"):
            page = OggPage(fileobj)

        old_pages = [page]
        while not (old_pages[-1].complete or len(old_pages[-1].packets) > 1):
            page = OggPage(fileobj)
            if page.serial == old_pages[0].serial:
                old_pages.append(page)

        packets = OggPage.to_packets(old_pages, strict=False)

        # Set the new comment packet.
        packets[0] = "\x03vorbis" + self.write()

        new_pages = OggPage.from_packets(packets, old_pages[0].sequence)
        OggPage.replace(fileobj, old_pages, new_pages)