コード例 #1
0
/* ADS in containers */
VGMSTREAM * init_vgmstream_ps2_ads_container(STREAMFILE *streamFile) {
    VGMSTREAM *vgmstream = NULL;
    STREAMFILE *temp_streamFile = NULL;
    off_t subfile_offset;
    size_t subfile_size;

    /* checks */
    if (!check_extensions(streamFile, "ads"))
        goto fail;

    if (read_32bitBE(0x00,streamFile) == 0x41445343 &&  /* "ADSC" */
        read_32bitBE(0x04,streamFile) == 0x01000000) {
        /* Kenka Bancho 2, Kamen Rider Hibiki/Kabuto, Shinjuku no Okami */
        subfile_offset = 0x08;
    }
    else if (read_32bitBE(0x00,streamFile) == 0x63617669 && /* "cavi" */
             read_32bitBE(0x04,streamFile) == 0x61207374 && /* "a st" */
             read_32bitBE(0x08,streamFile) == 0x7265616D) { /* "ream" */
        /* cavia games: Drakengard 1/2, Dragon Quest Yangus, GITS: Stand Alone Complex */
        subfile_offset = 0x7d8;
    }
    else {
        goto fail;
    }

    subfile_size = get_streamfile_size(streamFile) - subfile_offset;

    temp_streamFile = setup_subfile_streamfile(streamFile, subfile_offset,subfile_size, NULL);
    if (!temp_streamFile) goto fail;

    vgmstream = init_vgmstream_ps2_ads(temp_streamFile);
    close_streamfile(temp_streamFile);

    return vgmstream;

fail:
    close_streamfile(temp_streamFile);
    close_vgmstream(vgmstream);
    return NULL;
}
コード例 #2
0
ファイル: xps.c プロジェクト: kode54/vgmstream
/* .XPS - From Software games banks [Metal Wolf Chaos (Xbox), Otogi (Xbox)] */
VGMSTREAM * init_vgmstream_xps(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    STREAMFILE * streamData = NULL;
    int i, entries;
    off_t entry_offset = 0x10;
    int total_subsongs, target_subsong = streamFile->stream_index;


    /* checks */
    if (!check_extensions(streamFile, "xps"))
        goto fail;

    if (read_32bitLE(0x00,streamFile) != get_streamfile_size(streamFile))
        goto fail;
    if (read_32bitBE(0x0c,streamFile) != 0x64696666)  /* "diff" */
        goto fail;

    /* handle .xps alone (stream .xps+data are done above) */
    streamData = open_streamfile_by_ext(streamFile, "dat");
    if (streamData) goto fail;

    /* main section + bank sections (usually same number but not always) */
    entries = read_32bitLE(0x04,streamFile);

    total_subsongs = 0;
    if (target_subsong == 0) target_subsong = 1;
    if (target_subsong < 0 /*|| target_subsong > total_subsongs || total_subsongs < 1*/) goto fail;


    /* parse entries: skip (there is probably a stream/bank flag here) */
    for (i = 0; i < entries; i++) {
        off_t entry_base  = entry_offset;
        size_t entry_size = read_32bitLE(entry_base+0x00,streamFile);
        uint32_t entry_id = read_32bitBE(entry_base+0x04,streamFile);
        size_t entry_pad  = read_32bitLE(entry_base+0x08,streamFile);
        /* 0x0c: always null, rest: entry (format varies) */

        entry_offset += entry_size + entry_pad + 0x10;

        /* sound info entry */
        if (entry_id == 0x73696400) { /* "sid\0" */
            /* keep looking for sound banks */
            continue;
        }

        /* sound bank entry, otherwise no good */
        if (entry_id != 0x75647362) { /* "udsb" */
            goto fail;
        }

        total_subsongs++;

        /* open internal RIFF */
        if (target_subsong == total_subsongs && vgmstream == NULL) {
            STREAMFILE* temp_streamFile;
            off_t subsong_offset = entry_base+0x18;
            size_t subsong_size  = read_32bitLE(entry_base+0x14,streamFile);

            temp_streamFile = setup_subfile_streamfile(streamFile, subsong_offset,subsong_size, "wav");
            if (!temp_streamFile) goto fail;

            vgmstream = init_vgmstream_riff(temp_streamFile);
            close_streamfile(temp_streamFile);
            if (!vgmstream) goto fail;

        }
    }

    /* subsong not found */
    if (!vgmstream)
        goto fail;

    vgmstream->num_streams = total_subsongs;
    return vgmstream;

fail:
    close_streamfile(streamData);
    close_vgmstream(vgmstream);
    return NULL;
}