Exemple #1
0
/* .PCM - KCE Japan East PS2 games (Ephemeral Fantasia, Yu-Gi-Oh! The Duelists of the Roses, 7 Blades) */
VGMSTREAM * init_vgmstream_ps2_pcm(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset;
    int loop_flag, channel_count;

    /* check extension */
    if ( !check_extensions(streamFile,"pcm") )
        goto fail;

    /* check header (data_size vs num_samples) */
    if (pcm_bytes_to_samples(read_32bitLE(0x00,streamFile), 2, 16) != read_32bitLE(0x04,streamFile))
        goto fail;
    /* should work too */
    //if (read_32bitLE(0x00,streamFile)+0x800 != get_streamfile_size(streamFile))
    //    goto fail;

    loop_flag = (read_32bitLE(0x0C,streamFile) != 0x00);
    channel_count = 2;
    start_offset = 0x800;

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

    vgmstream->channels = channel_count;
    vgmstream->sample_rate = 24000;
    vgmstream->num_samples = read_32bitLE(0x04,streamFile);
    vgmstream->loop_start_sample = read_32bitLE(0x08,streamFile);
    vgmstream->loop_end_sample = read_32bitLE(0x0C,streamFile);

    vgmstream->coding_type = coding_PCM16LE;
    vgmstream->layout_type = layout_interleave;
    vgmstream->interleave_block_size = 0x2;
    vgmstream->meta_type = meta_PS2_PCM;

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

fail:
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}
Exemple #2
0
/* .208 - from Ocean game(s?) [Last Rites (PC)] */
VGMSTREAM * init_vgmstream_208(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset;
    int loop_flag, channel_count, sample_rate;
    size_t data_size;


    /* checks */
    if (!check_extensions(streamFile, "208"))
        goto fail;
    /* possible validation: (0x04 == 0 and 0xcc == 0x1F7D984D) or 0x04 == 0xf0 and 0xcc == 0) */
    if (!((read_32bitLE(0x04,streamFile) == 0x00 && read_32bitBE(0xcc,streamFile) == 0x1F7D984D) ||
          (read_32bitLE(0x04,streamFile) == 0xF0 && read_32bitBE(0xcc,streamFile) == 0x00000000)))
        goto fail;

    start_offset    = read_32bitLE(0x00,streamFile);
    data_size       = read_32bitLE(0x0c,streamFile);
    sample_rate     = read_32bitLE(0x34,streamFile);
    channel_count   = read_32bitLE(0x3C,streamFile); /* assumed */
    loop_flag = 0;

    if (start_offset + data_size != get_streamfile_size(streamFile))
        goto fail;


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

    vgmstream->meta_type = meta_208;
    vgmstream->sample_rate = sample_rate;
    vgmstream->num_samples = pcm_bytes_to_samples(data_size, channel_count, 8);
    vgmstream->coding_type = coding_PCM8_U;
    vgmstream->layout_type = layout_interleave;
    vgmstream->interleave_block_size = 0x1;

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

fail:
    close_vgmstream(vgmstream);
    return NULL;
}
Exemple #3
0
/* AL" - headerless a-law, found in Conquest of Elysium 3 (PC) */
VGMSTREAM * init_vgmstream_pc_al2(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset;
    int loop_flag = 0, channel_count;


    if ( !check_extensions(streamFile,"al2"))
        goto fail;

    channel_count = 2;

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

    vgmstream->sample_rate = 22050;
    vgmstream->coding_type = coding_ALAW;
    vgmstream->layout_type = layout_interleave;
    vgmstream->interleave_block_size = 0x01;
    vgmstream->meta_type = meta_PC_AL2;
    vgmstream->num_samples = pcm_bytes_to_samples(get_streamfile_size(streamFile), channel_count, 8);
    if (loop_flag) {
        vgmstream->loop_start_sample = 0;
        vgmstream->loop_end_sample = vgmstream->num_samples;
    }

    start_offset = 0;

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

fail:
    close_vgmstream(vgmstream);
    return NULL;
}
Exemple #4
0
/* SAB - from Worms 4: Mayhem (PC/Xbox/PS2) */
VGMSTREAM * init_vgmstream_sab(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset;
    int loop_flag, channel_count = 0, is_stream, align, codec, sample_rate, stream_size, loop_start, loop_end;
    int total_subsongs, target_subsong  = streamFile->stream_index;

    /* .sab: main, .sob: config/names */
    if (!check_extensions(streamFile,"sab"))
        goto fail;
    if (read_32bitBE(0x00,streamFile) != 0x43535732 &&  /* "CSW2" (Windows) */
        read_32bitBE(0x00,streamFile) != 0x43535032 &&  /* "CSP2" (PS2) */
        read_32bitBE(0x00,streamFile) != 0x43535832)    /* "CSX2" (Xbox) */
        goto fail;

    is_stream = read_32bitLE(0x04,streamFile) & 0x04; /* other flags don't seem to matter */
    total_subsongs = is_stream ? 1 : read_32bitLE(0x08,streamFile);
    if (target_subsong == 0) target_subsong = 1;
    if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;

    align = read_32bitLE(0x0c,streamFile); /* doubles as interleave */

    /* stream config */
    codec         = read_32bitLE(0x18 + 0x1c*(target_subsong-1) + 0x00,streamFile);
    channel_count = read_32bitLE(0x18 + 0x1c*(target_subsong-1) + 0x04,streamFile);
    sample_rate   = read_32bitLE(0x18 + 0x1c*(target_subsong-1) + 0x08,streamFile);
    stream_size   = read_32bitLE(0x18 + 0x1c*(target_subsong-1) + 0x0c,streamFile);
    loop_start    = read_32bitLE(0x18 + 0x1c*(target_subsong-1) + 0x10,streamFile);
    loop_end      = read_32bitLE(0x18 + 0x1c*(target_subsong-1) + 0x14,streamFile);
    loop_flag     = (loop_end > 0);

    start_offset  = 0x18 + 0x1c*total_subsongs;
    if (start_offset % align)
        start_offset += align - (start_offset % align);
    start_offset += read_32bitLE(0x18 + 0x1c*(target_subsong-1) + 0x18,streamFile);

    if (is_stream) {
        channel_count = read_32bitLE(0x08,streamFile); /* uncommon, but non-stream stereo exists */
        stream_size *= channel_count;
    }

    /* 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_SAB;

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

            vgmstream->num_samples = pcm_bytes_to_samples(stream_size, vgmstream->channels, 16);
            vgmstream->loop_start_sample = pcm_bytes_to_samples(loop_start, vgmstream->channels, 16);
            vgmstream->loop_end_sample = pcm_bytes_to_samples(loop_end, vgmstream->channels, 16);

            break;

        case 0x04: /* PS2 */
            vgmstream->coding_type = coding_PSX;
            vgmstream->layout_type = layout_interleave;
            vgmstream->interleave_block_size = is_stream ? align : 0x10;

            vgmstream->num_samples = ps_bytes_to_samples(stream_size, vgmstream->channels);
            vgmstream->loop_start_sample = ps_bytes_to_samples(loop_start, vgmstream->channels);
            vgmstream->loop_end_sample = ps_bytes_to_samples(loop_end, vgmstream->channels);
            break;

        case 0x08: /* Xbox */
            vgmstream->coding_type = is_stream ? coding_XBOX_IMA_int : coding_XBOX_IMA;
            vgmstream->layout_type = is_stream ? layout_interleave : layout_none;
            vgmstream->interleave_block_size = is_stream ? align : 0x00;

            vgmstream->num_samples = xbox_ima_bytes_to_samples(stream_size, vgmstream->channels);
            vgmstream->loop_start_sample = xbox_ima_bytes_to_samples(loop_start, vgmstream->channels);
            vgmstream->loop_end_sample = xbox_ima_bytes_to_samples(loop_end, vgmstream->channels);
            break;

        default:
            VGM_LOG("SAB: unknown codec\n");
            goto fail;
    }

    get_stream_name(vgmstream->stream_name, streamFile, target_subsong);

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

fail:
    close_vgmstream(vgmstream);
    return NULL;
}
Exemple #5
0
/* .ADS - Sony's "Audio Stream" format [Edit Racing (PS2), Evergrace II (PS2), Pri-Saga! Portable (PSP)] */
VGMSTREAM * init_vgmstream_ps2_ads(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset;
    int loop_flag, channel_count, sample_rate, interleave, is_loop_samples = 0;
    size_t body_size, stream_size, file_size;
    uint32_t codec, loop_start_sample = 0, loop_end_sample = 0, loop_start_offset = 0, loop_end_offset = 0;
    coding_t coding_type;
    int ignore_silent_frame_cavia = 0, ignore_silent_frame_capcom = 0;


    /* checks */
    /* .ads: actual extension
     * .ss2: demuxed videos (fake?)
     * .pcm: Taisho Mononoke Ibunroku (PS2)
     * .adx: Armored Core 3 (PS2)
     * [no actual extension]: MotoGP (PS2)
     * .800: Mobile Suit Gundam: The One Year War (PS2) */
    if (!check_extensions(streamFile, "ads,ss2,pcm,adx,,800"))
        goto fail;

    if (read_32bitBE(0x00,streamFile) != 0x53536864 &&  /* "SShd" */
        read_32bitBE(0x20,streamFile) != 0x53536264)    /* "SSbd" */
        goto fail;
    if (read_32bitLE(0x04,streamFile) != 0x18 && /* standard header size */
        read_32bitLE(0x04,streamFile) != 0x20)   /* True Fortune (PS2) */
        goto fail;


    /* base values (a bit unorderly since devs hack ADS too much and detection is messy) */
    {
        codec = read_32bitLE(0x08,streamFile);
        sample_rate = read_32bitLE(0x0C,streamFile);
        channel_count = read_32bitLE(0x10,streamFile); /* up to 4 [Eve of Extinction (PS2)]*/
        interleave = read_32bitLE(0x14,streamFile); /* set even when mono */


        switch(codec) {
            case 0x01: /* official definition */
            case 0x80000001: /* [Evergrace II (PS2), but not other From Soft games] */
                coding_type = coding_PCM16LE;

                /* Angel Studios/Rockstar San Diego videos codec hijack [Red Dead Revolver (PS2), Spy Hunter 2 (PS2)] */
                if (sample_rate == 12000 && interleave == 0x200) {
                    sample_rate = 48000;
                    interleave = 0x40;
                    coding_type = coding_DVI_IMA_int;
                    /* should try to detect IMA data but it's not so easy, this works ok since
                     * no known games use these settings, videos normally are 48000/24000hz */
                }
                break;

            case 0x10: /* official definition */
            case 0x02: /* Capcom games extension, stereo only [Megaman X7 (PS2), Breath of Fire V (PS2), Clock Tower 3 (PS2)] */
                coding_type = coding_PSX;
                break;

            case 0x00: /* PCM16BE from official docs, probably never used */
            default:
                VGM_LOG("ADS: unknown codec\n");
                goto fail;
        }
    }


    /* sizes */
    {
        file_size = get_streamfile_size(streamFile);
        body_size = read_32bitLE(0x24,streamFile);

        /* bigger than file_size in rare cases, even if containing all data (ex. Megaman X7's SY04.ADS) */
        if (body_size + 0x28 > file_size) {
            body_size = file_size - 0x28;
        }

        /* True Fortune: weird stream size */
        if (body_size * 2 == file_size - 0x18) {
            body_size = (body_size * 2) - 0x10;
        }

        stream_size = body_size;
    }


    /* offset */
    {
        start_offset = 0x28;

        /* start padding (body size is ok, may have end padding) [Evergrace II (PS2), Armored Core 3 (PS2)] */
        /*  detection depends on files being properly ripped, so broken/cut files won't play ok */
        if (file_size - body_size >= 0x800) {
            start_offset = 0x800; /* aligned to sector */

            /* too much end padding, happens in Super Galdelic Hour's SEL.ADS, maybe in bad rips too */
            VGM_ASSERT(file_size - body_size > 0x8000, "ADS: big end padding %x\n", file_size - body_size);
        }

        /* "ADSC" container */
        if (coding_type == coding_PSX
                && read_32bitLE(0x28,streamFile) == 0x1000 /* real start */
                && read_32bitLE(0x2c,streamFile) == 0
                && read_32bitLE(0x1008,streamFile) != 0) {
            int i;
            int is_adsc = 1;

            /* should be empty up to data start */
            for (i = 0; i < 0xFDC/4; i++) {
                if (read_32bitLE(0x2c+(i*4),streamFile) != 0) {
                    is_adsc = 0;
                    break;
                }
            }

            if (is_adsc) {
                start_offset = 0x1000 - 0x08; /* remove "ADSC" alignment */
                /* stream_size doesn't count start offset padding */
            }
        }
    }


    /* loops */
    {
        uint32_t loop_start, loop_end;

        loop_start = read_32bitLE(0x18,streamFile);
        loop_end = read_32bitLE(0x1C,streamFile);

        loop_flag = 0;

        /* detect loops the best we can; docs say those are loop block addresses,
         * but each maker does whatever (no games seem to use PS-ADPCM loop flags though) */


        if (loop_start != 0xFFFFFFFF && loop_end == 0xFFFFFFFF) {

            if (codec == 0x02) { /* Capcom codec */
                /* Capcom games: loop_start is address * 0x10 [Mega Man X7, Breath of Fire V, Clock Tower 3] */
                loop_flag = ((loop_start * 0x10) + 0x200 < body_size); /* near the end (+0x20~80) means no loop */
                loop_start_offset = loop_start * 0x10;
                ignore_silent_frame_capcom = 1;
            }
            else if (read_32bitBE(0x28,streamFile) == 0x50414421) { /* "PAD!" padding until 0x800 */
                /* Super Galdelic Hour: loop_start is PCM bytes */
                loop_flag = 1;
                loop_start_sample = loop_start / 2 / channel_count;
                is_loop_samples = 1;
            }
            else if ((loop_start % 0x800 == 0) && loop_start > 0) {/* sector-aligned, min/0 is 0x800 */
                /* cavia games: loop_start is offset [Drakengard 1/2, GITS: Stand Alone Complex] */
                /* offset is absolute from the "cavia stream format" container that adjusts ADS start */
                loop_flag = 1;
                loop_start_offset = loop_start - 0x800;
                ignore_silent_frame_cavia = 1;
            }
            else if (loop_start % 0x800 != 0 || loop_start == 0) { /* not sector aligned */
                /* Katakamuna: loop_start is address * 0x10 */
                loop_flag = 1;
                loop_start_offset = loop_start * 0x10;
            }
        }
        else if (loop_start != 0xFFFFFFFF && loop_end != 0xFFFFFFFF
                && loop_end > 0) { /* ignore Kamen Rider Blade and others */
#if 0
            //todo improve detection to avoid clashing with address*0x20
            if (loop_end == body_size / 0x10) { /* always body_size? but not all files should loop */
                /* Akane Iro ni Somaru Saka - Parallel: loops is address * 0x10 */
                loop_flag = 1;
                loop_start_offset = loop_start * 0x10;
                loop_end_offset = loop_end * 0x10;
            }
#endif
            if (loop_end <= body_size / 0x70 && coding_type == coding_PCM16LE) { /* close to body_size */
                /* Armored Core - Nexus: loops is address * 0x70 */
                loop_flag = 1;
                loop_start_offset = loop_start * 0x70;
                loop_end_offset = loop_end * 0x70;
            }
            else if (loop_end <= body_size / 0x20 && coding_type == coding_PCM16LE) { /* close to body_size */
                /* Armored Core - Nine Breaker: loops is address * 0x20 */
                loop_flag = 1;
                loop_start_offset = loop_start * 0x20;
                loop_end_offset = loop_end * 0x20;
            }
            else if (loop_end <= body_size / 0x20 && coding_type == coding_PSX) { /* close to body_size */
                /* various games: loops is address * 0x20 [Fire Pro Wrestling Returns, A.C.E. - Another Century's Episode] */
                loop_flag = 1;
                loop_start_offset = loop_start * 0x20;
                loop_end_offset = loop_end * 0x20;
            }
            else if ((loop_end > body_size / 0x20 && coding_type == coding_PSX) ||
                     (loop_end > body_size / 0x70 && coding_type == coding_PCM16LE)) {
                /* various games: loops in samples [Eve of Extinction, Culdcept, WWE Smackdown! 3] */
                loop_flag = 1;
                loop_start_sample = loop_start;
                loop_end_sample = loop_end;
                is_loop_samples = 1;
            }
        }

        //todo Jet Ion Grand Prix seems to have some loop-like values at 0x28
        //todo Yoake mae yori Ruriiro na has loops in unknown format
    }


    /* most games have empty PS-ADPCM frames in the last interleave block that should be skipped for smooth looping */
    if (coding_type == coding_PSX) {
        off_t offset, min_offset;

        offset = start_offset + stream_size;
        min_offset = offset - interleave;

        do {
            offset -= 0x10;

            if (read_8bit(offset+0x01,streamFile) == 0x07) {
                stream_size -= 0x10*channel_count;/* ignore don't decode flag/padding frame (most common) [ex. Capcom games] */
            }
            else if (read_32bitBE(offset+0x00,streamFile) == 0x00000000 && read_32bitBE(offset+0x04,streamFile) == 0x00000000 &&
                     read_32bitBE(offset+0x08,streamFile) == 0x00000000 && read_32bitBE(offset+0x0c,streamFile) == 0x00000000) {
                stream_size -= 0x10*channel_count; /* ignore null frame [ex. A.C.E. Another Century Episode 1/2/3] */
            }
            else if (read_32bitBE(offset+0x00,streamFile) == 0x00007777 && read_32bitBE(offset+0x04,streamFile) == 0x77777777 &&
                     read_32bitBE(offset+0x08,streamFile) == 0x77777777 && read_32bitBE(offset+0x0c,streamFile) == 0x77777777) {
                stream_size -= 0x10*channel_count; /* ignore padding frame [ex. Akane Iro ni Somaru Saka - Parallel]  */
            }
            else if (read_32bitBE(offset+0x00,streamFile) == 0x0C020000 && read_32bitBE(offset+0x04,streamFile) == 0x00000000 &&
                     read_32bitBE(offset+0x08,streamFile) == 0x00000000 && read_32bitBE(offset+0x0c,streamFile) == 0x00000000 &&
                     ignore_silent_frame_cavia) {
                stream_size -= 0x10*channel_count; /* ignore silent frame [ex. cavia games]  */
            }
            else if (read_32bitBE(offset+0x00,streamFile) == 0x0C010000 && read_32bitBE(offset+0x04,streamFile) == 0x00000000 &&
                     read_32bitBE(offset+0x08,streamFile) == 0x00000000 && read_32bitBE(offset+0x0c,streamFile) == 0x00000000 &&
                     ignore_silent_frame_capcom) {
                stream_size -= 0x10*channel_count; /* ignore silent frame [ex. Capcom games]  */
            }
            else {
                break; /* standard frame */
            }
        }
        while(offset > min_offset);

        /* don't bother fixing loop_end_offset since will be adjusted to num_samples later, if needed */
    }


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

    vgmstream->sample_rate = sample_rate;
    vgmstream->coding_type = coding_type;
    vgmstream->interleave_block_size = interleave;
    vgmstream->layout_type = layout_interleave;
    vgmstream->meta_type = meta_PS2_SShd;

    switch(coding_type) {
        case coding_PCM16LE:
            vgmstream->num_samples = pcm_bytes_to_samples(stream_size, channel_count, 16);
            break;
        case coding_PSX:
            vgmstream->num_samples = ps_bytes_to_samples(stream_size, channel_count);
            break;
        case coding_DVI_IMA_int:
            vgmstream->num_samples = ima_bytes_to_samples(stream_size, channel_count);
            break;
        default:
            goto fail;
    }

    if (vgmstream->loop_flag) {
        if (is_loop_samples) {
            vgmstream->loop_start_sample = loop_start_sample;
            vgmstream->loop_end_sample = loop_end_sample;
        }
        else {
            switch(vgmstream->coding_type) {
                case coding_PCM16LE:
                    vgmstream->loop_start_sample = pcm_bytes_to_samples(loop_start_offset,channel_count,16);
                    vgmstream->loop_end_sample = pcm_bytes_to_samples(loop_end_offset,channel_count,16);
                    break;
                case coding_PSX:
                    vgmstream->loop_start_sample = ps_bytes_to_samples(loop_start_offset,channel_count);
                    vgmstream->loop_end_sample = ps_bytes_to_samples(loop_end_offset,channel_count);
                    break;
                default:
                    goto fail;
            }
        }

        /* when loop_end = 0xFFFFFFFF */
        if (vgmstream->loop_end_sample == 0)
            vgmstream->loop_end_sample = vgmstream->num_samples;

        /* happens even when loops are directly samples, loops sound fine (ex. Culdcept) */
        if (vgmstream->loop_end_sample > vgmstream->num_samples)
            vgmstream->loop_end_sample = vgmstream->num_samples;
    }


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

fail:
    close_vgmstream(vgmstream);
    return NULL;
}
Exemple #6
0
/* 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;
}
Exemple #7
0
/* .XPS+DAT - From Software games streams [Metal Wolf Chaos (Xbox), Otogi (Xbox)] */
VGMSTREAM * init_vgmstream_xps_dat(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    STREAMFILE * streamData = NULL;
    off_t start_offset, header_offset;
    size_t stream_size;
    int loop_flag, channel_count, sample_rate, codec, loop_start_sample, loop_end_sample, file_id;
    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+dat (bank .xps are done below) */
    streamData = open_streamfile_by_ext(streamFile, "dat");
    if (!streamData) goto fail;

    /* 0x00: approximate file size */

    total_subsongs = read_32bitLE(0x04,streamData);
    if (target_subsong == 0) target_subsong = 1;
    if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;

    header_offset = 0x20 + 0x94*(target_subsong-1); /* could start at 0x0c too */

    file_id             = read_32bitLE(header_offset+0x00,streamData);
    start_offset        = read_32bitLE(header_offset+0x04,streamData);
    stream_size         = read_32bitLE(header_offset+0x08,streamData);
    /* 0x0c: loop start offset? */
    /* 0x10: loop end offset? */
    /* 0x14: always null? */
    codec               = read_16bitLE(header_offset+0x18,streamData);
    channel_count       = read_16bitLE(header_offset+0x1a,streamData);
    sample_rate         = read_32bitLE(header_offset+0x1c,streamData);
    /* 0x20: average bitrate */
    /* 0x24: block size, bps */
    loop_flag           = read_32bitLE(header_offset+0x5c,streamData);
    loop_start_sample   = read_32bitLE(header_offset+0x6c,streamData);
    loop_end_sample     = read_32bitLE(header_offset+0x70,streamData) + 1; /* a "smpl" chunk basically */


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

    vgmstream->sample_rate = sample_rate;
    vgmstream->meta_type = meta_XPS_DAT;
    vgmstream->loop_start_sample = loop_start_sample;
    vgmstream->loop_end_sample = loop_end_sample;
    vgmstream->num_streams = total_subsongs;
    vgmstream->stream_size = stream_size;

    switch(codec) {
        case 0x01:
            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);
            break;

        case 0x69:
            vgmstream->coding_type = coding_XBOX_IMA;
            vgmstream->layout_type = layout_none;
            vgmstream->num_samples = xbox_ima_bytes_to_samples(stream_size, channel_count);
            break;

        default:
            goto fail;
    }

    read_xps_name(vgmstream, streamFile, file_id);

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

    close_streamfile(streamData);
    return vgmstream;

fail:
    close_streamfile(streamData);
    close_vgmstream(vgmstream);
    return NULL;
}
Exemple #8
0
/* FLX - from Ultima IX (.FLX is actually an archive format with sometimes sound data, let's support both anyway) */
VGMSTREAM * init_vgmstream_flx(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset, stream_offset = 0;
    size_t data_size;
    int loop_flag, channel_count, codec;
    int total_subsongs = 0, target_subsong = streamFile->stream_index;
    size_t stream_size = 0;


    /* check extensions (.flx: name of archive, files inside don't have extensions) */
    if (!check_extensions(streamFile,"flx"))
        goto fail;

    /* all spaces up to 0x50 = archive FLX */
    if (read_32bitBE(0x00,streamFile) == 0x20202020 && read_32bitBE(0x40,streamFile) == 0x20202020) {
        int i;
        int entries = read_32bitLE(0x50,streamFile);
        off_t offset = 0x80;

        if (read_32bitLE(0x54,streamFile) != 0x02
                || read_32bitLE(0x58,streamFile) != get_streamfile_size(streamFile))
            goto fail;

        if (target_subsong == 0) target_subsong = 1;

        for (i = 0; i < entries; i++) {
            off_t entry_offset = read_32bitLE(offset + 0x00, streamFile);
            size_t entry_size = read_32bitLE(offset + 0x04, streamFile);
            offset += 0x08;

            if (entry_offset != 0x00)
                total_subsongs++; /* many entries are empty */
            if (total_subsongs == target_subsong && stream_offset == 0) {
                stream_offset = entry_offset; /* found but let's keep adding total_streams */
                stream_size = entry_size;
            }
        }
        if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;
        if (stream_offset == 0x00) goto fail;
    }
    else {
        stream_offset = 0x00;
        stream_size = get_streamfile_size(streamFile);
    }

    if (read_32bitLE(stream_offset + 0x30,streamFile) != 0x10)
        goto fail;
    data_size = read_32bitLE(stream_offset + 0x28,streamFile);
    channel_count = read_32bitLE(stream_offset + 0x34,streamFile);
    codec = read_32bitLE(stream_offset + 0x38,streamFile);
    loop_flag = (channel_count > 1); /* full seamless repeats in music */
    start_offset = stream_offset + 0x3c;
    /* 0x00: id */

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

    vgmstream->sample_rate = read_32bitLE(stream_offset + 0x2c,streamFile);
    vgmstream->num_streams = total_subsongs;
    vgmstream->stream_size = stream_size;
    vgmstream->meta_type = meta_PC_FLX;

    switch(codec) {
        case 0x00:  /* PCM (sfx) */
            vgmstream->coding_type = coding_PCM16LE;
            vgmstream->layout_type = layout_interleave;
            vgmstream->interleave_block_size = 0x02;

            vgmstream->num_samples = pcm_bytes_to_samples(data_size, channel_count, 16);
            break;

        case 0x01:  /* EA-XA (music, sfx) */
            vgmstream->coding_type = channel_count > 1 ? coding_EA_XA : coding_EA_XA_int;
            vgmstream->layout_type = layout_none;

            vgmstream->num_samples = read_32bitLE(stream_offset + 0x28,streamFile) / 0x0f*channel_count * 28; /* ea_xa_bytes_to_samples */
            vgmstream->loop_start_sample = 0;
            vgmstream->loop_end_sample = vgmstream->num_samples;
            break;

        case 0x02:  /* EA-MT (voices) */
            vgmstream->coding_type = coding_EA_MT;
            vgmstream->codec_data = init_ea_mt(vgmstream->channels, 0);
            if (!vgmstream->codec_data) goto fail;

            vgmstream->num_samples = read_32bitLE(start_offset,streamFile);
            start_offset += 0x04;
            break;

        default:
            VGM_LOG("FLX: unknown codec 0x%x\n", codec);
            goto fail;
    }

    read_string(vgmstream->stream_name,0x20+1, stream_offset + 0x04,streamFile);


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

    return vgmstream;

fail:
    close_vgmstream(vgmstream);
    return NULL;
}
Exemple #9
0
/* RXWS - from Sony SCEI PS2 games (Okage: Shadow King, Genji, Bokura no Kazoku) */
VGMSTREAM * init_vgmstream_ps2_rxws(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    STREAMFILE * streamHeader = NULL;
    off_t start_offset, chunk_offset, name_offset = 0;
    size_t stream_size, chunk_size;
    int loop_flag = 0, channel_count, is_separate = 0, type, sample_rate;
    int32_t loop_start, loop_end;
    int total_subsongs, target_subsong = streamFile->stream_index;

    /* check extensions */
    /* .xws: header and data, .xwh+xwb: header + data (.bin+dat are also found in Wild Arms 4/5) */
    if (!check_extensions(streamFile,"xws,xwb")) goto fail;
    is_separate = check_extensions(streamFile,"xwb");

    /* xwh+xwb: use xwh as header; otherwise use the current file */
    if (is_separate) {
        /* extra check to avoid hijacking Microsoft's XWB */
        if ((read_32bitBE(0x00,streamFile) == 0x57424E44) ||    /* "WBND" (LE) */
            (read_32bitBE(0x00,streamFile) == 0x444E4257))      /* "DNBW" (BE) */
            goto fail;

        streamHeader = open_stream_ext(streamFile, "xwh");
        if (!streamHeader) goto fail;
    } else {
        streamHeader = streamFile;
    }
    if (read_32bitBE(0x00,streamHeader) != 0x52585753) /* "RXWS" */
        goto fail;

    /* file size (just the .xwh/xws) */
    if (read_32bitLE(0x04,streamHeader)+0x10 != get_streamfile_size(streamHeader))
        goto fail;
    /* 0x08(4): version (0x100/0x200), 0x0C: null */

    /* typical chunks: FORM, FTXT, MARK, BODY (for .xws) */
    if (read_32bitBE(0x10,streamHeader) != 0x464F524D) /* "FORM", main header (always first) */
        goto fail;
    chunk_size = read_32bitLE(0x10+0x04,streamHeader); /* size - 0x10 */
    /* 0x08 version (0x100), 0x0c: null */
    chunk_offset = 0x20;


    /* check multi-streams */
    total_subsongs = read_32bitLE(chunk_offset+0x00,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 header_offset = chunk_offset + 0x4 + 0x1c * (target_subsong-1); /* position in FORM */
        off_t stream_offset, next_stream_offset, data_offset = 0;

        type = read_8bit(header_offset+0x00, streamHeader);
        /* 0x01(1): unknown (always 0x1c), 0x02(2): flags? (usually 8002/0002, & 0x01 if looped) */
        /* 0x04(4): vol/pan stuff? (0x00007F7F), 0x08(1): null?, 0x0c(4): null? */
        channel_count =    read_8bit(header_offset+0x09, streamHeader);
        sample_rate = (uint16_t)read_16bitLE(header_offset+0x0a,streamHeader);
        stream_offset = read_32bitLE(header_offset+0x10,streamHeader);
        loop_end      = read_32bitLE(header_offset+0x14,streamHeader);
        loop_start    = read_32bitLE(header_offset+0x18,streamHeader);
        loop_flag = (loop_start != 0xFFFFFFFF);

        /* find data start and size */
        if (is_separate) {
            data_offset = 0x00;
        }
        else {
            off_t current_chunk = 0x10;
            /* note the extra 0x10 in chunk_size/offsets */
            while (current_chunk < get_streamfile_size(streamFile)) {
                if (read_32bitBE(current_chunk,streamFile) == 0x424F4459) { /* "BODY" chunk_type */
                    data_offset = 0x10 + current_chunk;
                    break;
                }
                current_chunk += 0x10 + read_32bitLE(current_chunk+4,streamFile);
            }
            if (!data_offset) goto fail;
        }

        if (target_subsong == total_subsongs) {
            next_stream_offset = data_offset + get_streamfile_size(is_separate ? streamFile : streamHeader);
        } else {
            off_t next_header_offset = chunk_offset + 0x4 + 0x1c * (target_subsong);
            next_stream_offset = read_32bitLE(next_header_offset+0x10,streamHeader);
        }

        stream_size = next_stream_offset - stream_offset;
        start_offset = data_offset + stream_offset;
    }

    /* get stream name (always follows FORM) */
    if (read_32bitBE(0x10+0x10 + chunk_size,streamHeader) == 0x46545854) { /* "FTXT" */
        chunk_offset = 0x10+0x10 + chunk_size + 0x10;
        if (read_32bitLE(chunk_offset+0x00,streamHeader) == total_subsongs) {
            name_offset = chunk_offset + read_32bitLE(chunk_offset+0x04 + (target_subsong-1)*0x04,streamHeader);
        }
    }


    /* 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_PS2_RXWS;
    if (name_offset)
        read_string(vgmstream->stream_name,STREAM_NAME_SIZE, name_offset,streamHeader);

    switch (type) {
        case 0x00:      /* PS-ADPCM */
            vgmstream->coding_type = coding_PSX;
            vgmstream->layout_type = layout_interleave;
            vgmstream->interleave_block_size = 0x10;

            vgmstream->num_samples = ps_bytes_to_samples(loop_end, channel_count);
            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 0x01:      /* PCM */
            vgmstream->coding_type = coding_PCM16LE;
            vgmstream->layout_type = channel_count==1 ? layout_none : layout_interleave;
            vgmstream->interleave_block_size = 0x2;

            vgmstream->num_samples = pcm_bytes_to_samples(loop_end, channel_count, 16);
            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;

#ifdef VGM_USE_FFMPEG
        case 0x02: {    /* ATRAC3 */
            uint8_t buf[0x100];
            int32_t bytes, block_size, encoder_delay, joint_stereo;

            block_size = 0xc0 * channel_count;
            joint_stereo = 0;
            encoder_delay = 0x0;

            bytes = ffmpeg_make_riff_atrac3(buf, 0x100, vgmstream->num_samples, stream_size, vgmstream->channels, vgmstream->sample_rate, block_size, joint_stereo, encoder_delay);
            if (bytes <= 0) goto fail;

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

            vgmstream->num_samples = loop_end;
            vgmstream->loop_start_sample = loop_start;
            vgmstream->loop_end_sample   = loop_end;
            break;
        }
#endif
        default:
            goto fail;
    }

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

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

fail:
    if (is_separate && streamHeader) close_streamfile(streamHeader);
    close_vgmstream(vgmstream);
    return NULL;
}