コード例 #1
0
ファイル: sgxd.c プロジェクト: benladen/vgmstream
/* SGXD - Sony/SCEI's format (SGB+SGH / SGD / SGX) */
VGMSTREAM * init_vgmstream_sgxd(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    STREAMFILE * streamHeader = NULL;
    off_t start_offset, data_offset, chunk_offset, name_offset = 0;
    size_t stream_size;

    int is_sgx, is_sgb = 0;
    int loop_flag, channels, type;
    int sample_rate, num_samples, loop_start_sample, loop_end_sample;
    int total_subsongs, target_subsong = streamFile->stream_index;


    /* check extension, case insensitive */
    /* .sgx: header+data (Genji), .sgd: header+data, .sgh/sgd: header/data */
    if (!check_extensions(streamFile,"sgx,sgd,sgb"))
        goto fail;
    is_sgx = check_extensions(streamFile,"sgx");
    is_sgb = check_extensions(streamFile,"sgb");

    /* SGB+SGH: use SGH as header; otherwise use the current file as header */
    if (is_sgb) {
        streamHeader = open_stream_ext(streamFile, "sgh");
        if (!streamHeader) goto fail;
    } else {
        streamHeader = streamFile;
    }


    /* SGXD base (size 0x10) */
    if (read_32bitBE(0x00,streamHeader) != 0x53475844) /* "SGXD" */
        goto fail;
    /* 0x04  SGX: full header_size; SGD/SGH: unknown header_size (counting from 0x0/0x8/0x10, varies) */
    /* 0x08  SGX: first chunk offset? (0x10); SGD/SGH: full header_size */
    /* 0x0c  SGX/SGH: full data size with padding; SGD: full data size + 0x80000000 with padding */
    if (is_sgb) {
        data_offset = 0x00;
    } else if ( is_sgx ) {
        data_offset = read_32bitLE(0x04,streamHeader);
    } else {
        data_offset = read_32bitLE(0x08,streamHeader);
    }


    /* typical chunks: WAVE, RGND, NAME (strings for WAVE or RGND), SEQD (related to SFX), WSUR, WMKR, BUSS */
    /* WAVE chunk (size 0x10 + files * 0x38 + optional padding) */
    if (is_sgx) { /* position after chunk+size */
        if (read_32bitBE(0x10,streamHeader) != 0x57415645) goto fail;  /* "WAVE" */
        chunk_offset = 0x18;
    } else {
        if (!find_chunk_le(streamHeader, 0x57415645,0x10,0, &chunk_offset,NULL)) goto fail; /* "WAVE" */
    }
    /* 0x04  SGX: unknown; SGD/SGH: chunk length,  0x08  null */

    /* check multi-streams (usually only SE containers; Puppeteer) */
    total_subsongs = read_32bitLE(chunk_offset+0x04,streamHeader);
    if (target_subsong == 0) target_subsong = 1;
    if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;

    /* read stream header */
    {
        off_t stream_offset;
        chunk_offset += 0x08 + 0x38 * (target_subsong-1); /* position in target header*/

        /* 0x00  ? (00/01/02) */
        if (!is_sgx) /* meaning unknown in .sgx; offset 0 = not a stream (a RGND sample) */
            name_offset = read_32bitLE(chunk_offset+0x04,streamHeader);
        type = read_8bit(chunk_offset+0x08,streamHeader);
        channels = read_8bit(chunk_offset+0x09,streamHeader);
        /* 0x0a  null */
        sample_rate = read_32bitLE(chunk_offset+0x0c,streamHeader);

        /* 0x10  info_type: meaning of the next value
         *  (00=null, 30/40=data size without padding (ADPCM, ATRAC3plus), 80/A0=block size (AC3) */
        /* 0x14  info_value (see above) */
        /* 0x18  unknown (ex. 0x0008/0010/3307/CC02/etc)x2 */
        /* 0x1c  null */

        num_samples = read_32bitLE(chunk_offset+0x20,streamHeader);
        loop_start_sample = read_32bitLE(chunk_offset+0x24,streamHeader);
        loop_end_sample = read_32bitLE(chunk_offset+0x28,streamHeader);
        stream_size = read_32bitLE(chunk_offset+0x2c,streamHeader); /* stream size (without padding) / interleave (for type3) */

        if (is_sgx) {
            stream_offset = 0x0;
        } else{
            stream_offset = read_32bitLE(chunk_offset+0x30,streamHeader);
        }
        /* 0x34 SGX: unknown; SGD/SGH: stream size (with padding) / interleave */

        loop_flag = loop_start_sample!=0xffffffff && loop_end_sample!=0xffffffff;
        start_offset = data_offset + stream_offset;
    }


    /* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channels,loop_flag);
    if (!vgmstream) goto fail;

    vgmstream->sample_rate = sample_rate;
    vgmstream->num_samples = num_samples;
    vgmstream->loop_start_sample = loop_start_sample;
    vgmstream->loop_end_sample = loop_end_sample;
    vgmstream->num_streams = total_subsongs;
    vgmstream->stream_size = stream_size;
    vgmstream->meta_type = meta_SGXD;
    if (name_offset)
        read_string(vgmstream->stream_name,STREAM_NAME_SIZE, name_offset,streamHeader);

    /* needs -1 to match RIFF AT3's loop chunk
     * (maybe SGXD = "loop before this sample" rather than "loop after this sample" as expected by vgmstream) */
    if (vgmstream->loop_end_sample > 0)
        vgmstream->loop_end_sample -= 1;

    switch (type) {
        case 0x03:      /* PS-ADPCM [Genji (PS3), Ape Escape Move (PS3)]*/
            vgmstream->coding_type = coding_PSX;
            vgmstream->layout_type = layout_interleave;
            if (is_sgx || is_sgb) {
                vgmstream->interleave_block_size = 0x10;
            } else { /* this only seems to happen with SFX */
                vgmstream->interleave_block_size = stream_size;
            }

            break;

#ifdef VGM_USE_FFMPEG
        case 0x04: {    /* ATRAC3plus [Kurohyo 1/2 (PSP), BraveStory (PSP)] */
            ffmpeg_codec_data *ffmpeg_data;

            /* internally has a RIFF header; but the SGXD  header / sample rate has priority over it (may not match) */
            ffmpeg_data = init_ffmpeg_offset(streamFile, start_offset, stream_size);
            if ( !ffmpeg_data ) goto fail;
            vgmstream->codec_data = ffmpeg_data;
            vgmstream->coding_type = coding_FFmpeg;
            vgmstream->layout_type = layout_none;

            /* manually read skip_samples if FFmpeg didn't do it */
            if (ffmpeg_data->skipSamples <= 0) {
                off_t chunk_offset;
                size_t chunk_size, fact_skip_samples = 0;
                if (!find_chunk_le(streamFile, 0x66616374,start_offset+0xc,0, &chunk_offset,&chunk_size)) /* find "fact" */
                    goto fail;
                if (chunk_size == 0x8) {
                    fact_skip_samples  = read_32bitLE(chunk_offset+0x4, streamFile);
                } else if (chunk_size == 0xc) {
                    fact_skip_samples  = read_32bitLE(chunk_offset+0x8, streamFile);
                }
                ffmpeg_set_skip_samples(ffmpeg_data, fact_skip_samples);
            }
            /* SGXD loop/sample values are relative (without skip samples) vs RIFF (with skip samples), no need to adjust */

            break;
        }
#endif
        case 0x05:      /* Short PS-ADPCM [Afrika (PS3)] */
            vgmstream->coding_type = coding_PSX_cfg;
            vgmstream->layout_type = layout_interleave;
            vgmstream->interleave_block_size = 0x4;

            break;

#ifdef VGM_USE_FFMPEG
        case 0x06: {    /* AC3 [Tokyo Jungle (PS3), Afrika (PS3)] */
            ffmpeg_codec_data *ffmpeg_data;

            ffmpeg_data = init_ffmpeg_offset(streamFile, start_offset, stream_size);
            if ( !ffmpeg_data ) goto fail;
            vgmstream->codec_data = ffmpeg_data;
            vgmstream->coding_type = coding_FFmpeg;
            vgmstream->layout_type = layout_none;

            /* manually set skip_samples if FFmpeg didn't do it */
            if (ffmpeg_data->skipSamples <= 0) {
                /* PS3 AC3 consistently has 256 encoder delay samples, and there are ~1000-2000 samples after num_samples.
                 * Skipping them marginally improves full loops in some Tokyo Jungle tracks (ex. a_1.sgd). */
                ffmpeg_set_skip_samples(ffmpeg_data, 256);
            }
            /* SGXD loop/sample values are relative (without skip samples), no need to adjust */

            break;
        }
#endif

        default:
            goto fail;
    }

    /* open the file for reading */
    if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
        goto fail;

    if (is_sgb && streamHeader) close_streamfile(streamHeader);
    return vgmstream;

fail:
    if (is_sgb && streamHeader) close_streamfile(streamHeader);
    close_vgmstream(vgmstream);
    return NULL;
}
コード例 #2
0
ファイル: xwc.c プロジェクト: kode54/vgmstream
/* .XWC - Starbreeze games [Chronicles of Riddick: Assault on Dark Athena, Syndicate] */
VGMSTREAM * init_vgmstream_xwc(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
	off_t start_offset, extra_offset;
	size_t data_size;
    int loop_flag, channel_count, codec, num_samples;


    /* checks */
    /* .xwc: extension of the bigfile, individual files don't have one */
    if ( !check_extensions(streamFile,"xwc"))
        goto fail;


    /* version */
    if (read_32bitBE(0x00,streamFile) == 0x00030000 &&
        read_32bitBE(0x04,streamFile) == 0x00900000) { /* The Darkness */
        data_size = read_32bitLE(0x08, streamFile) + 0x1c; /* not including subheader */
        channel_count = read_32bitLE(0x0c, streamFile);
        /* 0x10: num_samples */
        /* 0x14: 0x8000? */
        /* 0x18: null */
        codec = read_32bitBE(0x1c, streamFile);
        num_samples = read_32bitLE(0x20, streamFile);
        /* 0x24: config data >> 2? (0x00(1): channels; 0x01(2): ?, 0x03(2): sample_rate) */
        extra_offset = 0x28;
    }
    else if (read_32bitBE(0x00,streamFile) == 0x00040000 &&
             read_32bitBE(0x04,streamFile) == 0x00900000) { /* Riddick, Syndicate */
        data_size = read_32bitLE(0x08, streamFile) + 0x24; /* not including subheader */
        channel_count = read_32bitLE(0x0c, streamFile);
        /* 0x10: num_samples */
        /* 0x14: 0x8000? */
        codec = read_32bitBE(0x24, streamFile);
        num_samples = read_32bitLE(0x28, streamFile);
        /* 0x2c: config data >> 2? (0x00(1): channels; 0x01(2): ?, 0x03(2): sample_rate) */
        /* 0x30+: codec dependant */
        extra_offset = 0x30;
    }
    else {
        goto fail;
    }

    loop_flag = 0;


    /* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

    vgmstream->meta_type = meta_XWC;
    vgmstream->num_samples = num_samples;

    switch(codec) {
#ifdef VGM_USE_MPEG
        case 0x4D504547: { /* "MPEG" (PS3) */
            mpeg_custom_config cfg = {0};

            start_offset = 0x800;
            vgmstream->num_samples = read_32bitLE(extra_offset+0x00, streamFile); /* with encoder delay */ //todo improve
            cfg.data_size = read_32bitLE(extra_offset+0x04, streamFile); /* without padding */

            vgmstream->codec_data = init_mpeg_custom(streamFile, start_offset, &vgmstream->coding_type, vgmstream->channels, MPEG_STANDARD, &cfg);
            if (!vgmstream->codec_data) goto fail;
            vgmstream->layout_type = layout_none;

            vgmstream->sample_rate = ((mpeg_codec_data*)vgmstream->codec_data)->sample_rate_per_frame;
            break;
        }
#endif
#ifdef VGM_USE_FFMPEG
        case 0x584D4100: { /* "XMA\0" (X360) */
            uint8_t buf[0x100];
            int32_t bytes, seek_size, block_size, block_count, sample_rate;

            seek_size = read_32bitLE(extra_offset+0x00, streamFile);
            start_offset = extra_offset+0x04 + seek_size + read_32bitLE(extra_offset+0x04+seek_size, streamFile) + 0x08;
            start_offset += (start_offset % 0x800) ? 0x800 - (start_offset % 0x800) : 0; /* padded */
            data_size = data_size - start_offset;

            sample_rate = read_32bitBE(extra_offset+0x04+seek_size+0x10, streamFile);
            block_size  = read_32bitBE(extra_offset+0x04+seek_size+0x1c, streamFile);
            block_count = read_32bitBE(extra_offset+0x04+seek_size+0x28, streamFile);
            /* others: scrambled RIFF fmt BE values */

            bytes = ffmpeg_make_riff_xma2(buf,0x100, vgmstream->num_samples, data_size, vgmstream->channels, sample_rate, block_count, block_size);
            vgmstream->codec_data = init_ffmpeg_header_offset(streamFile, buf,bytes, start_offset,data_size);
            if (!vgmstream->codec_data) goto fail;
            vgmstream->coding_type = coding_FFmpeg;
            vgmstream->layout_type = layout_none;

            vgmstream->sample_rate = sample_rate;

            xma_fix_raw_samples(vgmstream, streamFile, start_offset,data_size, 0, 0,0); /* samples are ok, fix delay */
            break;
        }

        case 0x564F5242: { /* "VORB" (PC) */
            start_offset = 0x30;
            data_size = data_size - start_offset;

            vgmstream->codec_data = init_ffmpeg_offset(streamFile, start_offset,data_size);
            if ( !vgmstream->codec_data ) goto fail;
            vgmstream->coding_type = coding_FFmpeg;
            vgmstream->layout_type = layout_none;

            vgmstream->sample_rate = read_32bitLE(start_offset + 0x28, streamFile);
            break;
        }
#endif
        default:
            goto fail;
    }


    if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
        goto fail;
    return vgmstream;

fail:
    close_vgmstream(vgmstream);
    return NULL;
}
コード例 #3
0
ファイル: sqex_scd.c プロジェクト: kode54/vgmstream
/* SCD - Square-Enix games (FF XIII, XIV) */
VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset, tables_offset, meta_offset, extradata_offset, name_offset = 0;
    int32_t stream_size, extradata_size, loop_start, loop_end;

    int loop_flag = 0, channel_count, codec, sample_rate;
    int version, target_entry, aux_chunk_count;
    int total_subsongs, target_subsong = streamFile->stream_index;

    int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
    int16_t (*read_16bit)(off_t,STREAMFILE*) = NULL;


    /* check extension, case insensitive */
    if ( !check_extensions(streamFile, "scd") )
        goto fail;

    /** main header **/
    if (read_32bitBE(0x00,streamFile) != 0x53454442 &&  /* "SEDB" */
        read_32bitBE(0x04,streamFile) != 0x53534346)    /* "SSCF" */
        goto fail;

    if (read_8bit(0x0c,streamFile) == 0x01) { /* big endian flag */
        //size_offset = 0x14;
        read_32bit = read_32bitBE;
        read_16bit = read_16bitBE;
    } else {
        //size_offset = 0x10;
        read_32bit = read_32bitLE;
        read_16bit = read_16bitLE;
    }

    /* SSCF version? (older SSCFs from Crisis Core/FFXI X360 seem to be V3/2) */
    if (read_8bit(0x0d,streamFile) != 0x04)
        goto fail;

    /* v2: FFXIII demo (PS3), FFT0 test files (PC); v3: common; v4: Kingdom Hearts 2.8 (PS4) */
    version = read_32bit(0x08,streamFile);
    if (version != 2 && version != 3 && version != 4)
        goto fail;

    tables_offset = read_16bit(0x0e,streamFile); /* usually 0x30 or 0x20 */

#if 0
    /* never mind, FFXIII music_68tak.ps3.scd is 0x80 shorter */
    /* check file size with header value */
    if (read_32bit(size_offset,streamFile) != get_streamfile_size(streamFile))
        goto fail;
#endif


    /** offset tables **/
    /* 0x00(2): table1/4 (unknown) entries */
    /* 0x02(2): table2 (unknown) entries */
    /* 0x04(2): table3 (headers) entries */
    /* 0x06(2): unknown, varies even for clone files */

    /* (implicit: table1 starts at 0x20) */
    /* 0x08: table2 (unknown) start offset */
    /* 0x0c: table3 (headers) start offset */
    /* 0x10: table4 (unknown) start offset */
    /* 0x14: always null? */
    /* 0x18: table5? (unknown) start offset? */
    /* 0x1c: unknown, often null */
    /* each table entry is an uint32_t offset; after entries there is padding */
    /* if a table isn't present entries is 0 and offset points to next table */

    /* find meta_offset in table3 (headers) and total subsongs */
    {
        int i;
        int headers_entries = read_16bit(tables_offset+0x04,streamFile);
        off_t headers_offset = read_32bit(tables_offset+0x0c,streamFile);

        if (target_subsong == 0) target_subsong = 1;
        total_subsongs = 0;
        meta_offset = 0;

        /* manually find subsongs as entries can be dummy (ex. sfx banks in FF XIV or FF Type-0) */
        for (i = 0; i < headers_entries; i++) {
            off_t entry_offset = read_32bit(headers_offset + i*0x04,streamFile);

            if (read_32bit(entry_offset+0x0c,streamFile) == -1)
                continue; /* codec -1 when dummy */

            total_subsongs++;
            if (!meta_offset && total_subsongs == target_subsong) {
                meta_offset = entry_offset;
                target_entry = i;
            }
        }
        if (meta_offset == 0) goto fail;
        /* SCD can contain 0 entries too */
    }

    /** stream header **/
    stream_size     = read_32bit(meta_offset+0x00,streamFile);
    channel_count   = read_32bit(meta_offset+0x04,streamFile);
    sample_rate     = read_32bit(meta_offset+0x08,streamFile);
    codec           = read_32bit(meta_offset+0x0c,streamFile);

    loop_start      = read_32bit(meta_offset+0x10,streamFile);
    loop_end        = read_32bit(meta_offset+0x14,streamFile);
    extradata_size  = read_32bit(meta_offset+0x18,streamFile);
    aux_chunk_count = read_32bit(meta_offset+0x1c,streamFile);
    /* 0x01e(2): unknown, seen in some FF XIV sfx (MSADPCM) */

    loop_flag       = (loop_end > 0);
    extradata_offset = meta_offset + 0x20;
    start_offset = extradata_offset + extradata_size;

    /* only "MARK" chunk is known (some FF XIV PS3 have "STBL" but it's not counted) */
    if (aux_chunk_count > 1 && aux_chunk_count < 0xFFFF) { /* some FF XIV Heavensward IMA sfx have 0x01000000 */
        VGM_LOG("SCD: unknown aux chunk count %i\n", aux_chunk_count);
        goto fail;
    }

    /* skips aux chunks, sometimes needed (Lightning Returns X360, FF XIV PC) */
    if (aux_chunk_count && read_32bitBE(extradata_offset, streamFile) == 0x4D41524B) { /* "MARK" */
        extradata_offset += read_32bit(extradata_offset+0x04, streamFile);
    }

    /* find name if possible */
    if (version == 4) {
        int info_entries    = read_16bit(tables_offset+0x00,streamFile);
        int headers_entries = read_16bit(tables_offset+0x04,streamFile);
        off_t info_offset   = tables_offset+0x20;

        /* not very exact as table1 and table3 entries may differ in V3, not sure about V4 */
        if (info_entries == headers_entries) {
            off_t entry_offset = read_16bit(info_offset + 0x04*target_entry,streamFile);
            name_offset = entry_offset+0x30;
        }
    }


#ifdef VGM_USE_VORBIS
    /* special case using init_vgmstream_ogg_vorbis */
    if (codec == 0x06) {
        VGMSTREAM *ogg_vgmstream;
        uint8_t ogg_version, ogg_byte;
        ogg_vorbis_meta_info_t ovmi = {0};

        ovmi.meta_type = meta_SQEX_SCD;
        ovmi.total_subsongs = total_subsongs;
        /* loop values are in bytes, let init_vgmstream_ogg_vorbis find loop comments instead */

        ogg_version = read_8bit(extradata_offset + 0x00, streamFile);
        /* 0x01(1): 0x20 in v2/3, this ogg miniheader size? */
        ogg_byte    = read_8bit(extradata_offset + 0x02, streamFile);
        /* 0x03(1): ? in v3 */

        if (ogg_version == 0) { /* 0x10? header, then custom Vorbis header before regular Ogg (FF XIV PC v1) */
            ovmi.stream_size = stream_size;
        }
        else { /* 0x20 header, then seek table */
            size_t seek_table_size  = read_32bit(extradata_offset+0x10, streamFile);
            size_t vorb_header_size = read_32bit(extradata_offset+0x14, streamFile);
            /* 0x18(4): ? (can be 0) */

            if ((extradata_offset-meta_offset) + seek_table_size + vorb_header_size != extradata_size)
                goto fail;

            ovmi.stream_size = vorb_header_size + stream_size;
            start_offset = extradata_offset + 0x20 + seek_table_size; /* extradata_size skips vorb_header */

            if (ogg_version == 2) { /* header is XOR'ed using byte (FF XIV PC) */
                ovmi.decryption_callback = scd_ogg_v2_decryption_callback;
                ovmi.scd_xor = ogg_byte;
                ovmi.scd_xor_length = vorb_header_size;
            }
            else if (ogg_version == 3) { /* file is XOR'ed using table (FF XIV Heavensward PC)  */
                ovmi.decryption_callback = scd_ogg_v3_decryption_callback;
                ovmi.scd_xor = stream_size & 0xFF; /* ogg_byte not used? */
                ovmi.scd_xor_length = vorb_header_size + stream_size;
            }
            else {
                VGM_LOG("SCD: unknown ogg_version 0x%x\n", ogg_version);
            }
        }

        /* actual Ogg init */
        ogg_vgmstream = init_vgmstream_ogg_vorbis_callbacks(streamFile, NULL, start_offset, &ovmi);
        if (ogg_vgmstream && name_offset)
            read_string(ogg_vgmstream->stream_name, PATH_LIMIT, name_offset, streamFile);
        return ogg_vgmstream;
    }
#endif


    /* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

    vgmstream->sample_rate = sample_rate;
    vgmstream->num_streams = total_subsongs;
    vgmstream->stream_size = stream_size;
    vgmstream->meta_type = meta_SQEX_SCD;
    if (name_offset)
        read_string(vgmstream->stream_name, PATH_LIMIT, name_offset, streamFile);

    switch (codec) {
        case 0x01:      /* PCM */
            vgmstream->coding_type = coding_PCM16LE;
            vgmstream->layout_type = layout_interleave;
            vgmstream->interleave_block_size = 0x02;

            vgmstream->num_samples = pcm_bytes_to_samples(stream_size, channel_count, 16);
            if (loop_flag) {
                vgmstream->loop_start_sample = pcm_bytes_to_samples(loop_start, channel_count, 16);
                vgmstream->loop_end_sample = pcm_bytes_to_samples(loop_end, channel_count, 16);
            }
            break;

        case 0x03:      /* PS-ADPCM [Final Fantasy Type-0] */
            vgmstream->coding_type = coding_PSX;
            vgmstream->layout_type = layout_interleave;
            vgmstream->interleave_block_size = 0x10;

            vgmstream->num_samples = ps_bytes_to_samples(stream_size, channel_count);
            if (loop_flag) {
                vgmstream->loop_start_sample = ps_bytes_to_samples(loop_start, channel_count);
                vgmstream->loop_end_sample = ps_bytes_to_samples(loop_end, channel_count);
            }
            break;

        case 0x06:      /* OGG [Final Fantasy XIII-2 (PC), Final Fantasy XIV (PC)] */
            goto fail; /* handled above */

#ifdef VGM_USE_MPEG
        case 0x07: {    /* MPEG [Final Fantasy XIII (PS3)] */
            mpeg_codec_data *mpeg_data = NULL;
            mpeg_custom_config cfg = {0};

            cfg.interleave = 0x800; /* for multistream [Final Fantasy XIII-2 (PS3)], otherwise ignored */
            cfg.data_size = stream_size;

            mpeg_data = init_mpeg_custom(streamFile, start_offset, &vgmstream->coding_type, vgmstream->channels, MPEG_SCD, &cfg);
            if (!mpeg_data) goto fail;
            vgmstream->codec_data = mpeg_data;
            vgmstream->layout_type = layout_none;

            /* some Drakengard 3, Kingdom Hearts HD have adjusted sample rate (47999, 44099), for looping? */

            vgmstream->num_samples = mpeg_bytes_to_samples(stream_size, mpeg_data);
            vgmstream->loop_start_sample = mpeg_bytes_to_samples(loop_start, mpeg_data);
            vgmstream->loop_end_sample = mpeg_bytes_to_samples(loop_end, mpeg_data);

            /* somehow loops offsets aren't always frame-aligned, and the code below supposedly helped,
             * but there isn't much difference since MPEG loops are rough (1152-aligned). Seems it
             * would help more loop_start - ~1000, loop_end + ~1000 (ex. FFXIII-2 music_SunMizu.ps3.scd) */
            //vgmstream->num_samples -= vgmstream->num_samples % 576;
            //vgmstream->loop_start_sample -= vgmstream->loop_start_sample % 576;
            //vgmstream->loop_end_sample -= vgmstream->loop_end_sample % 576;
            break;
        }
#endif
        case 0x0C:      /* MS ADPCM [Final Fantasy XIV (PC) sfx] */
            vgmstream->coding_type = coding_MSADPCM;
            vgmstream->layout_type = layout_none;
            vgmstream->interleave_block_size = read_16bit(extradata_offset+0x0c,streamFile);
            /* in extradata_offset is a WAVEFORMATEX (including coefs and all) */

            vgmstream->num_samples = msadpcm_bytes_to_samples(stream_size, vgmstream->interleave_block_size, vgmstream->channels);
            if (loop_flag) {
                vgmstream->loop_start_sample = msadpcm_bytes_to_samples(loop_start, vgmstream->interleave_block_size, vgmstream->channels);
                vgmstream->loop_end_sample = msadpcm_bytes_to_samples(loop_end, vgmstream->interleave_block_size, vgmstream->channels);
            }
            break;

        case 0x0A:      /* DSP ADPCM [Dragon Quest X (Wii)] */
        case 0x15: {    /* DSP ADPCM [Dragon Quest X (Wii U)] (no apparent differences except higher sample rate) */
            const off_t interleave_size = 0x800;
            const off_t stride_size = interleave_size * channel_count;
            int i;
            size_t total_size;
            layered_layout_data * data = NULL;

            /* interleaved DSPs including the header (so the first 0x800 is 0x60 header + 0x740 data)
             * so interleave layout can't used; we'll setup de-interleaving streamfiles as layers/channels instead */
            //todo this could be simplified using a block layout or adding interleave_first_block
            vgmstream->coding_type = coding_NGC_DSP;
            vgmstream->layout_type = layout_layered;

            /* read from the first DSP header and verify other channel headers */
            {
                total_size = (read_32bitBE(start_offset+0x04,streamFile)+1)/2; /* rounded nibbles / 2 */
                vgmstream->num_samples = read_32bitBE(start_offset+0x00,streamFile);
                if (loop_flag) {
                    vgmstream->loop_start_sample = loop_start;
                    vgmstream->loop_end_sample = loop_end+1;
                }

                for (i = 1; i < channel_count; i++) {
                    if ((read_32bitBE(start_offset+4,streamFile)+1)/2 != total_size ||
                        read_32bitBE(start_offset+interleave_size*i+0x00,streamFile) != vgmstream->num_samples) {
                        goto fail;
                    }
                }
            }

            /* init layout */
            data = init_layout_layered(channel_count);
            if (!data) goto fail;
            vgmstream->layout_data = data;

            /* open each layer subfile */
            for (i = 0; i < channel_count; i++) {
                STREAMFILE* temp_streamFile = setup_scd_dsp_streamfile(streamFile, start_offset+interleave_size*i, interleave_size, stride_size, total_size);
                if (!temp_streamFile) goto fail;

                data->layers[i] = init_vgmstream_ngc_dsp_std(temp_streamFile);
                close_streamfile(temp_streamFile);
                if (!data->layers[i]) goto fail;
            }

            /* setup layered VGMSTREAMs */
            if (!setup_layout_layered(data))
                goto fail;

            break;
        }

#ifdef VGM_USE_FFMPEG
        case 0x0B: {    /* XMA2 [Final Fantasy (X360), Lightning Returns (X360) sfx, Kingdom Hearts 2.8 (X1)] */
            ffmpeg_codec_data *ffmpeg_data = NULL;
            uint8_t buf[200];
            int32_t bytes;

            /* extradata_offset+0x00: fmt0x166 header (BE),  extradata_offset+0x34: seek table */
            bytes = ffmpeg_make_riff_xma_from_fmt_chunk(buf,200, extradata_offset,0x34, stream_size, streamFile, 1);
            ffmpeg_data = init_ffmpeg_header_offset(streamFile, buf,bytes, start_offset,stream_size);
            if (!ffmpeg_data) goto fail;
            vgmstream->codec_data = ffmpeg_data;
            vgmstream->coding_type = coding_FFmpeg;
            vgmstream->layout_type = layout_none;

            vgmstream->num_samples = ffmpeg_data->totalSamples;
            vgmstream->loop_start_sample = loop_start;
            vgmstream->loop_end_sample = loop_end;

            xma_fix_raw_samples(vgmstream, streamFile, start_offset,stream_size, 0, 0,0); /* samples are ok, loops? */
            break;
        }

        case 0x0E: {    /* ATRAC3/ATRAC3plus [Lord of Arcana (PSP), Final Fantasy Type-0] */
            ffmpeg_codec_data *ffmpeg_data = NULL;

            /* full RIFF header at start_offset/extradata_offset (same) */
            ffmpeg_data = init_ffmpeg_offset(streamFile, start_offset,stream_size);
            if (!ffmpeg_data) goto fail;
            vgmstream->codec_data = ffmpeg_data;
            vgmstream->coding_type = coding_FFmpeg;
            vgmstream->layout_type = layout_none;

            vgmstream->num_samples = ffmpeg_data->totalSamples; /* fact samples */
            vgmstream->loop_start_sample = loop_start;
            vgmstream->loop_end_sample = loop_end;

            if (ffmpeg_data->skipSamples <= 0) /* in case FFmpeg didn't get them */
                ffmpeg_set_skip_samples(ffmpeg_data, riff_get_fact_skip_samples(streamFile, start_offset));
            /* SCD loop/sample values are relative (without skip samples) vs RIFF (with skip samples), no need to adjust */
            break;
        }
#endif

#ifdef VGM_USE_ATRAC9
        case 0x16: { /* ATRAC9 [Kingdom Hearts 2.8 (PS4)] */
            atrac9_config cfg = {0};

            /* post header has various typical ATRAC9 values */
            cfg.channels = vgmstream->channels;
            cfg.config_data = read_32bit(extradata_offset+0x0c,streamFile);
            cfg.encoder_delay = read_32bit(extradata_offset+0x18,streamFile);

            vgmstream->codec_data = init_atrac9(&cfg);
            if (!vgmstream->codec_data) goto fail;
            vgmstream->coding_type = coding_ATRAC9;
            vgmstream->layout_type = layout_none;

            vgmstream->num_samples = read_32bit(extradata_offset+0x10,streamFile); /* loop values above are also weird and ignored */
            vgmstream->loop_start_sample = read_32bit(extradata_offset+0x20, streamFile) - (loop_flag ? cfg.encoder_delay : 0); //loop_start
            vgmstream->loop_end_sample   = read_32bit(extradata_offset+0x24, streamFile) - (loop_flag ? cfg.encoder_delay : 0); //loop_end
            break;
        }
#endif

        case -1:    /* used for dummy entries */
        default:
            VGM_LOG("SCD: unknown codec 0x%x\n", codec);
            goto fail;
    }


    if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
        goto fail;

    return vgmstream;

fail:
    close_vgmstream(vgmstream);
    return NULL;
}