PeerStreamer

    oggstream->header[0] = av_mallocz(51); // per ogg flac specs

    p = oggstream->header[0];

    if (!p)

    bytestream_put_byte(&p, 0x7F);

    bytestream_put_buffer(&p, "FLAC", 4);

    bytestream_put_byte(&p, 1); // major version

    // second packet: VorbisComment

    p = ogg_write_vorbiscomment(4, bitexact, &oggstream->header_len[1], m);

    if (!p)

    oggstream->header[1] = p;

    bytestream_put_byte(&p, 0x84); // last metadata block and vorbis comment

    bytestream_put_be24(&p, oggstream->header_len[1] - 4);

    // first packet: Speex header

    p = av_mallocz(SPEEX_HEADER_SIZE);

    if (!p)

    oggstream->header[0] = p;

    oggstream->header_len[0] = SPEEX_HEADER_SIZE;

    bytestream_put_buffer(&p, avctx->extradata, SPEEX_HEADER_SIZE);

    // second packet: VorbisComment

    p = ogg_write_vorbiscomment(0, bitexact, &oggstream->header_len[1], m);

    if (!p)

    oggstream->header[1] = p;

    return 0;