static int xvag_read_header(AVFormatContext *s)

{

    unsigned offset, big_endian, codec;

    AVStream *st;



    avio_skip(s->pb, 4);



    st = avformat_new_stream(s, NULL);

    if (!st)

        return AVERROR(ENOMEM);



    st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;



    offset     = avio_rl32(s->pb);

    big_endian = offset > av_bswap32(offset);

    if (big_endian) {

        offset                 = av_bswap32(offset);

        avio_skip(s->pb, 28);

        codec                  = avio_rb32(s->pb);

        st->codecpar->channels = avio_rb32(s->pb);

        avio_skip(s->pb, 4);

        st->duration           = avio_rb32(s->pb);

        avio_skip(s->pb, 8);

        st->codecpar->sample_rate = avio_rb32(s->pb);

    } else {

        avio_skip(s->pb, 28);

        codec                  = avio_rl32(s->pb);

        st->codecpar->channels = avio_rl32(s->pb);

        avio_skip(s->pb, 4);

        st->duration           = avio_rl32(s->pb);

        avio_skip(s->pb, 8);

        st->codecpar->sample_rate = avio_rl32(s->pb);

    }



    if (st->codecpar->sample_rate <= 0)

        return AVERROR_INVALIDDATA;

    if (st->codecpar->channels <= 0)

        return AVERROR_INVALIDDATA;



    switch (codec) {

    case 0x1c:

        st->codecpar->codec_id    = AV_CODEC_ID_ADPCM_PSX;

        st->codecpar->block_align = 16 * st->codecpar->channels;

        break;

    default:

        avpriv_request_sample(s, "codec %X", codec);

        return AVERROR_PATCHWELCOME;

    };



    avio_skip(s->pb, offset - avio_tell(s->pb));



    if (avio_rb16(s->pb) == 0xFFFB) {

        st->codecpar->codec_id    = AV_CODEC_ID_MP3;

        st->codecpar->block_align = 0x1000;

        st->need_parsing       = AVSTREAM_PARSE_FULL_RAW;

    }



    avio_skip(s->pb, -2);

    avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);



    return 0;

}

static int xvag_read_header(AVFormatContext *s)

{

    unsigned offset, big_endian, codec;

    AVStream *st;



    avio_skip(s->pb, 4);



    st = avformat_new_stream(s, NULL);

    if (!st)

        return AVERROR(ENOMEM);



    st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;



    offset     = avio_rl32(s->pb);

    big_endian = offset > av_bswap32(offset);

    if (big_endian) {

        offset                 = av_bswap32(offset);

        avio_skip(s->pb, 28);

        codec                  = avio_rb32(s->pb);

        st->codecpar->channels = avio_rb32(s->pb);

        avio_skip(s->pb, 4);

        st->duration           = avio_rb32(s->pb);

        avio_skip(s->pb, 8);

        st->codecpar->sample_rate = avio_rb32(s->pb);

    } else {

        avio_skip(s->pb, 28);

        codec                  = avio_rl32(s->pb);

        st->codecpar->channels = avio_rl32(s->pb);

        avio_skip(s->pb, 4);

        st->duration           = avio_rl32(s->pb);

        avio_skip(s->pb, 8);

        st->codecpar->sample_rate = avio_rl32(s->pb);

    }



    if (st->codecpar->sample_rate <= 0)

        return AVERROR_INVALIDDATA;

    if (st->codecpar->channels <= 0)

        return AVERROR_INVALIDDATA;



    switch (codec) {

    case 0x1c:

        st->codecpar->codec_id    = AV_CODEC_ID_ADPCM_PSX;

        st->codecpar->block_align = 16 * st->codecpar->channels;

        break;

    default:

        avpriv_request_sample(s, "codec %X", codec);

        return AVERROR_PATCHWELCOME;

    };



    avio_skip(s->pb, offset - avio_tell(s->pb));



    if (avio_rb16(s->pb) == 0xFFFB) {

        st->codecpar->codec_id    = AV_CODEC_ID_MP3;

        st->codecpar->block_align = 0x1000;

        st->need_parsing       = AVSTREAM_PARSE_FULL_RAW;

    }



    avio_skip(s->pb, -2);

    avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);



    return 0;

}

    if (st->codecpar->channels <= 0)
static int FUNC_0(AVFormatContext *VAR_0)

{

    unsigned VAR_1, VAR_2, VAR_3;

    AVStream *st;



    avio_skip(VAR_0->pb, 4);



    st = avformat_new_stream(VAR_0, NULL);

    if (!st)

        return AVERROR(ENOMEM);



    st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;



    VAR_1     = avio_rl32(VAR_0->pb);

    VAR_2 = VAR_1 > av_bswap32(VAR_1);

    if (VAR_2) {

        VAR_1                 = av_bswap32(VAR_1);

        avio_skip(VAR_0->pb, 28);

        VAR_3                  = avio_rb32(VAR_0->pb);

        st->codecpar->channels = avio_rb32(VAR_0->pb);

        avio_skip(VAR_0->pb, 4);

        st->duration           = avio_rb32(VAR_0->pb);

        avio_skip(VAR_0->pb, 8);

        st->codecpar->sample_rate = avio_rb32(VAR_0->pb);

    } else {

        avio_skip(VAR_0->pb, 28);

        VAR_3                  = avio_rl32(VAR_0->pb);

        st->codecpar->channels = avio_rl32(VAR_0->pb);

        avio_skip(VAR_0->pb, 4);

        st->duration           = avio_rl32(VAR_0->pb);

        avio_skip(VAR_0->pb, 8);

        st->codecpar->sample_rate = avio_rl32(VAR_0->pb);

    }



    if (st->codecpar->sample_rate <= 0)

        return AVERROR_INVALIDDATA;

    if (st->codecpar->channels <= 0)

        return AVERROR_INVALIDDATA;



    switch (VAR_3) {

    case 0x1c:

        st->codecpar->codec_id    = AV_CODEC_ID_ADPCM_PSX;

        st->codecpar->block_align = 16 * st->codecpar->channels;

        break;

    default:

        avpriv_request_sample(VAR_0, "VAR_3 %X", VAR_3);

        return AVERROR_PATCHWELCOME;

    };



    avio_skip(VAR_0->pb, VAR_1 - avio_tell(VAR_0->pb));



    if (avio_rb16(VAR_0->pb) == 0xFFFB) {

        st->codecpar->codec_id    = AV_CODEC_ID_MP3;

        st->codecpar->block_align = 0x1000;

        st->need_parsing       = AVSTREAM_PARSE_FULL_RAW;

    }



    avio_skip(VAR_0->pb, -2);

    avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);



    return 0;

}

static int FUNC_0(AVFormatContext *VAR_0)
{ unsigned VAR_1, VAR_2, VAR_3; AVStream *st; avio_skip(VAR_0->pb, 4); st = avformat_new_stream(VAR_0, NULL); if (!st)
return AVERROR(ENOMEM); st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; VAR_1     = avio_rl32(VAR_0->pb); VAR_2 = VAR_1 > av_bswap32(VAR_1); if (VAR_2) { VAR_1                 = av_bswap32(VAR_1); avio_skip(VAR_0->pb, 28); VAR_3                  = avio_rb32(VAR_0->pb); st->codecpar->channels = avio_rb32(VAR_0->pb); avio_skip(VAR_0->pb, 4); st->duration           = avio_rb32(VAR_0->pb); avio_skip(VAR_0->pb, 8); st->codecpar->sample_rate = avio_rb32(VAR_0->pb); } else { avio_skip(VAR_0->pb, 28); VAR_3                  = avio_rl32(VAR_0->pb); st->codecpar->channels = avio_rl32(VAR_0->pb); avio_skip(VAR_0->pb, 4); st->duration           = avio_rl32(VAR_0->pb); avio_skip(VAR_0->pb, 8); st->codecpar->sample_rate = avio_rl32(VAR_0->pb); } if (st->codecpar->sample_rate <= 0)
return AVERROR_INVALIDDATA; if (st->codecpar->channels <= 0)
return AVERROR_INVALIDDATA; switch (VAR_3) { case 0x1c:
st->codecpar->codec_id    = AV_CODEC_ID_ADPCM_PSX; st->codecpar->block_align = 16 * st->codecpar->channels; break; default:
avpriv_request_sample(VAR_0, "VAR_3 %X", VAR_3); return AVERROR_PATCHWELCOME; }; avio_skip(VAR_0->pb, VAR_1 - avio_tell(VAR_0->pb)); if (avio_rb16(VAR_0->pb) == 0xFFFB) { st->codecpar->codec_id    = AV_CODEC_ID_MP3; st->codecpar->block_align = 0x1000; st->need_parsing       = AVSTREAM_PARSE_FULL_RAW; } avio_skip(VAR_0->pb, -2); avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate); return 0; }