#include "meta.h"
#include "../util.h"
#include "../coding/coding.h"

/* RSD */
/* RSD2VAG */
VGMSTREAM * init_vgmstream_rsd2vag(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;

	int loop_flag;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534432) /* RSD2 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x56414720)	/* VAG\0x20 */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
  start_offset = 0x800;
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_PSX;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;
    }

    vgmstream->layout_type = layout_interleave;
    vgmstream->interleave_block_size = read_32bitLE(0x14,streamFile);
    vgmstream->meta_type = meta_RSD2VAG;

    /* open the file for reading */
    {
        int i;
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = file;

            vgmstream->ch[i].channel_start_offset=
                vgmstream->ch[i].offset=start_offset+
                vgmstream->interleave_block_size*i;

        }
    }
    
	return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}


/* RSD2PCMB - Big Endian */
VGMSTREAM * init_vgmstream_rsd2pcmb(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;

	int loop_flag;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534432) /* RSD2 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x50434D42)	/* PCMB */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
	start_offset = read_32bitLE(0x18,streamFile);
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_PCM16BE;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-start_offset)/2/channel_count;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-start_offset)/2/channel_count;
    }

	
	if (channel_count == 1) {
		vgmstream->layout_type = layout_none;
	} else if (channel_count == 2) {
		vgmstream->layout_type = layout_interleave;
		vgmstream->interleave_block_size = 0x2;
	}


    vgmstream->meta_type = meta_RSD2PCMB;

    /* open the file for reading */
    {
        int i;
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = file;

            vgmstream->ch[i].channel_start_offset=
                vgmstream->ch[i].offset=start_offset+
                vgmstream->interleave_block_size*i;

        }
    }

    return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}


/* RSD2XADP */
VGMSTREAM * init_vgmstream_rsd2xadp(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset;
    int loop_flag, channel_count;
    size_t data_size;

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

    if (read_32bitBE(0x00,streamFile) != 0x52534432) /* RSD2 */
        goto fail;
    if (read_32bitBE(0x04,streamFile) != 0x58414450) /* XADP */
        goto fail;

    start_offset = read_32bitLE(0x18,streamFile); /* not sure about this */
    data_size = get_streamfile_size(streamFile);
    loop_flag = 0;
    channel_count = read_32bitLE(0x08,streamFile);
    
    /* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->num_samples = xbox_ima_bytes_to_samples(data_size, vgmstream->channels);

    vgmstream->coding_type = coding_XBOX_IMA;
    vgmstream->layout_type = layout_none;
    vgmstream->meta_type = meta_RSD2XADP;

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

fail:
    close_vgmstream(vgmstream);
    return NULL;
}


/* RSD3VAG */
VGMSTREAM * init_vgmstream_rsd3vag(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;

	int loop_flag;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534433) /* RSD3 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x56414720)	/* VAG\0x20 */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
  start_offset = 0x800;
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_PSX;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;
    }

    vgmstream->layout_type = layout_interleave;
    vgmstream->interleave_block_size = read_32bitLE(0x14,streamFile);
    vgmstream->meta_type = meta_RSD3VAG;

    /* open the file for reading */
    {
        int i;
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = file;

            vgmstream->ch[i].channel_start_offset=
                vgmstream->ch[i].offset=start_offset+
                vgmstream->interleave_block_size*i;

        }
    }
    
	return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}


/* RSD3GADP */
VGMSTREAM * init_vgmstream_rsd3gadp(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;

	int loop_flag;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534433) /* RSD3 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x47414450)	/* WADP */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
  start_offset = read_32bitLE(0x18,streamFile);
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_NGC_DSP;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;
    }

    vgmstream->layout_type = layout_none;
    vgmstream->meta_type = meta_RSD3GADP;

    if (vgmstream->coding_type == coding_NGC_DSP) {
        int i;
        for (i=0;i<16;i++) {
            vgmstream->ch[0].adpcm_coef[i] = read_16bitBE(0x1D+i*2,streamFile);
        }
    }
    /* open the file for reading */
    {
        int i;
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = file;

            vgmstream->ch[i].channel_start_offset=
                vgmstream->ch[i].offset=start_offset+
                vgmstream->interleave_block_size*i;

        }

    }

    return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}

/* RSD3PCM  - Little Endian */
VGMSTREAM * init_vgmstream_rsd3pcm(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;

	int loop_flag;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534433) /* RSD3 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x50434D20)	/* PCM\0x20 */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
  start_offset = read_32bitLE(0x18,streamFile);
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_PCM16LE;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-start_offset)/2/channel_count;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-start_offset)/2/channel_count;
    }

	
	if (channel_count == 1) {
		vgmstream->layout_type = layout_none;
	} else if (channel_count == 2) {
		vgmstream->layout_type = layout_interleave;
		vgmstream->interleave_block_size = 0x2;
	}

	vgmstream->meta_type = meta_RSD3PCM;


    /* open the file for reading */
    {
        int i;
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = file;

            vgmstream->ch[i].channel_start_offset=
                vgmstream->ch[i].offset=start_offset+
                vgmstream->interleave_block_size*i;

        }
    }

    return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}



/* RSD3PCMB - Big Endian */
VGMSTREAM * init_vgmstream_rsd3pcmb(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;

	int loop_flag;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534433) /* RSD3 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x50434D42)	/* PCMB */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
	start_offset = read_32bitLE(0x18,streamFile);
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_PCM16BE;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-start_offset)/2/channel_count;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-start_offset)/2/channel_count;
    }

	
	if (channel_count == 1) {
		vgmstream->layout_type = layout_none;
	} else if (channel_count == 2) {
		vgmstream->layout_type = layout_interleave;
		vgmstream->interleave_block_size = 0x2;
	}


    vgmstream->meta_type = meta_RSD3PCMB;

    /* open the file for reading */
    {
        int i;
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = file;

            vgmstream->ch[i].channel_start_offset=
                vgmstream->ch[i].offset=start_offset+
                vgmstream->interleave_block_size*i;

        }
    }

    return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}



/* RSD4VAG */
VGMSTREAM * init_vgmstream_rsd4vag(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;

	int loop_flag;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534434) /* RSD4 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x56414720)	/* VAG\0x20 */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
  start_offset = 0x800;
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_PSX;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;
    }

    vgmstream->layout_type = layout_interleave;
    vgmstream->interleave_block_size = read_32bitLE(0xC,streamFile);
    vgmstream->meta_type = meta_RSD4VAG;

    /* open the file for reading */
    {
        int i;
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = file;

            vgmstream->ch[i].channel_start_offset=
                vgmstream->ch[i].offset=start_offset+
                vgmstream->interleave_block_size*i;

        }
    }

    return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}


/* RSD4PCM  - Little Endian */
VGMSTREAM * init_vgmstream_rsd4pcm(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;

	int loop_flag;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534434) /* RSD4 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x50434D20)	/* PCM\0x20 */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
  start_offset = 0x800;
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_PCM16LE;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-0x800)/2/channel_count;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-0x800)/2/channel_count;
    }

    vgmstream->layout_type = layout_interleave;
    vgmstream->interleave_block_size = 0x2;
    vgmstream->meta_type = meta_RSD4PCM;

    /* open the file for reading */
    {
        int i;
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = file;

            vgmstream->ch[i].channel_start_offset=
                vgmstream->ch[i].offset=start_offset+
                vgmstream->interleave_block_size*i;

        }
    }

    return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}



/* RSD4PCMB - Big Endian */
VGMSTREAM * init_vgmstream_rsd4pcmb(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;

	int loop_flag;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534434) /* RSD4 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x50434D42)	/* PCMB */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
  start_offset = 0x80;
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_PCM16BE;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-0x800)/2/channel_count;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-0x800)/2/channel_count;
    }

    vgmstream->layout_type = layout_interleave;
    vgmstream->interleave_block_size = 0x2;
    vgmstream->meta_type = meta_RSD4PCMB;

    /* open the file for reading */
    {
        int i;
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = file;

            vgmstream->ch[i].channel_start_offset=
                vgmstream->ch[i].offset=start_offset+
                vgmstream->interleave_block_size*i;

        }
    }

    return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}

/* RSD4RADP */
VGMSTREAM * init_vgmstream_rsd4radp(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;

	int loop_flag;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534434) /* RSD4 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x52414450)	/* RADP */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
  start_offset = 0x800;
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_RAD_IMA;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-start_offset)/0x14/channel_count*32;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-start_offset)*28/16/channel_count;
    }
    vgmstream->layout_type = layout_none;
    vgmstream->interleave_block_size = 0x14*channel_count;
    vgmstream->meta_type = meta_RSD4RADP;

    /* open the file for reading */
    {
        int i;
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = file;
   
            vgmstream->ch[i].offset=vgmstream->ch[i].channel_start_offset=start_offset;
        }
    }
    
	return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}

/* RSD6RADP */
VGMSTREAM * init_vgmstream_rsd6radp(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;

	int loop_flag;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534436) /* RSD6 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x52414450)	/* RADP */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
  start_offset = 0x800;
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_RAD_IMA;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-start_offset)/0x14/channel_count*32;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-start_offset)*28/16/channel_count;
    }
    vgmstream->layout_type = layout_none;
    vgmstream->interleave_block_size = 0x14*channel_count;
    vgmstream->meta_type = meta_RSD6RADP;

    /* open the file for reading */
    {
        int i;
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = file;
   
            vgmstream->ch[i].offset=vgmstream->ch[i].channel_start_offset=start_offset;
        }
    }
    
	return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}

/* RSD6VAG */
VGMSTREAM * init_vgmstream_rsd6vag(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;

	int loop_flag;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534436) /* RSD6 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x56414720)	/* VAG\0x20 */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
  start_offset = 0x800;
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_PSX;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;
    }

    vgmstream->layout_type = layout_interleave;
    vgmstream->interleave_block_size = read_32bitLE(0xC,streamFile);
    vgmstream->meta_type = meta_RSD6VAG;

    /* open the file for reading */
    {
        int i;
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = file;

            vgmstream->ch[i].channel_start_offset=
                vgmstream->ch[i].offset=start_offset+
                vgmstream->interleave_block_size*i;

        }
    }

    return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}


/* RSD6WADP */
VGMSTREAM * init_vgmstream_rsd6wadp(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset;
	int loop_flag, channel_count;

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

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534436) /* RSD6 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x57414450)	/* WADP */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    start_offset = 0x800;
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->num_samples = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;

    vgmstream->coding_type = coding_NGC_DSP_subint;
    vgmstream->layout_type = layout_none;
    vgmstream->interleave_block_size = 0x02; //read_32bitLE(0xC,streamFile);
    vgmstream->meta_type = meta_RSD6WADP;

    dsp_read_coefs_be(vgmstream,streamFile,0x1a4,0x28);

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

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}

/* RSD6OGG */
VGMSTREAM * init_vgmstream_rsd6oogv(STREAMFILE *streamFile) {
#ifdef VGM_USE_VORBIS
    off_t start_offset;

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

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534436) /* RSD6 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x4F4F4756)	/* OOGV */
        goto fail;

    {
	    ogg_vorbis_meta_info_t ovmi = {0};
        VGMSTREAM * result = NULL;

        ovmi.meta_type = meta_RSD6OOGV;

        start_offset = 0x800;
		result = init_vgmstream_ogg_vorbis_callbacks(streamFile, NULL, start_offset, &ovmi);

        if (result != NULL) {
            return result;
        }
	   }

fail:
    /* clean up anything we may have opened */
#endif
    return NULL;
}

/* RSD6XADP - from Crash Tag Team Racing (Xbox), Scarface (Xbox) */
VGMSTREAM * init_vgmstream_rsd6xadp(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset;
    int loop_flag, channel_count;
    size_t data_size;

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

    if (read_32bitBE(0x0,streamFile) != 0x52534436) /* RSD6 */
        goto fail;
    if (read_32bitBE(0x4,streamFile) != 0x58414450)	/* XADP */
        goto fail;

    start_offset = 0x800;
    data_size = get_streamfile_size(streamFile) - start_offset;
    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);

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

    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->num_samples = xbox_ima_bytes_to_samples(data_size, vgmstream->channels);

    vgmstream->meta_type = meta_RSD6XADP;
    vgmstream->coding_type = (channel_count > 2) ? coding_XBOX_IMA_mch : coding_XBOX_IMA;
    vgmstream->layout_type = layout_none;


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

fail:
    close_vgmstream(vgmstream);
    return NULL;
}


/* RSD6XMA */
VGMSTREAM * init_vgmstream_rsd6xma(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset;
	int loop_flag, channel_count;
	uint32_t version;

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

    /* check header */
	if (read_32bitBE(0x0, streamFile) != 0x52534436) /* RSD6 */
		goto fail;
	if (read_32bitBE(0x04,streamFile) != 0x584D4120) /* XMA */
        goto fail;

	loop_flag = 0;
	channel_count = read_32bitLE(0x8, streamFile);
	version = read_32bitBE(0x80C, streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
	start_offset = read_32bitBE(0x800, streamFile) + read_32bitBE(0x804, streamFile) + 0xc; /* assumed, seek table always at 0x800 */
	vgmstream->channels = channel_count;
    vgmstream->meta_type = meta_RSD6XMA;
	vgmstream->sample_rate = read_32bitBE(0x818, streamFile);

	switch (version) {
	case 0x03010000: {
		vgmstream->num_samples = read_32bitBE(0x824, streamFile);


#ifdef VGM_USE_FFMPEG
		{
			ffmpeg_codec_data *ffmpeg_data = NULL;
			uint8_t buf[100];
			size_t bytes, datasize, block_size, block_count;

			block_count = read_32bitBE(0x828, streamFile);
			block_size = 0x10000;
			datasize = read_32bitBE(0x808, streamFile);

			bytes = ffmpeg_make_riff_xma2(buf, 100, vgmstream->num_samples, datasize, vgmstream->channels, vgmstream->sample_rate, block_count, block_size);
			ffmpeg_data = init_ffmpeg_header_offset(streamFile, buf, bytes, start_offset, datasize);
			if (!ffmpeg_data) goto fail;
			vgmstream->codec_data = ffmpeg_data;
			vgmstream->coding_type = coding_FFmpeg;
			vgmstream->layout_type = layout_none;

			/* for some reason (dev trickery?) .rsd don't set skip in the bitstream, though they should */
            //xma_fix_raw_samples(vgmstream, streamFile, start_offset,datasize, 0, 0,0);
            ffmpeg_set_skip_samples(ffmpeg_data, 512+64);
		}
#else
		goto fail;
#endif
		break;
	}
	case 0x04010000: {
		vgmstream->num_samples = read_32bitBE(0x814, streamFile);


#ifdef VGM_USE_FFMPEG
		{
			ffmpeg_codec_data *ffmpeg_data = NULL;
			uint8_t buf[100];
			size_t bytes, datasize, block_size, block_count;

			block_count = read_32bitBE(0x830, streamFile);
			block_size = 0x10000;
			datasize = read_32bitBE(0x808, streamFile);

			bytes = ffmpeg_make_riff_xma2(buf, 100, vgmstream->num_samples, datasize, vgmstream->channels, vgmstream->sample_rate, block_count, block_size);
			ffmpeg_data = init_ffmpeg_header_offset(streamFile, buf, bytes, start_offset, datasize);
			if (!ffmpeg_data) goto fail;
			vgmstream->codec_data = ffmpeg_data;
			vgmstream->coding_type = coding_FFmpeg;
			vgmstream->layout_type = layout_none;

            /* for some reason (dev trickery?) .rsd don't set skip in the bitstream, though they should */
            //xma_fix_raw_samples(vgmstream, streamFile, start_offset,datasize, 0, 0,0);
            ffmpeg_set_skip_samples(ffmpeg_data, 512+64);
		}
#else
		goto fail;
#endif
		break;
	}
	default:
	    goto fail;
	}
	/* open the file for reading */
	if (!vgmstream_open_stream(vgmstream, streamFile, start_offset))
		goto fail;
	return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
} 

/* RSD6AT3+ [Crash of the Titans (PSP)] */
VGMSTREAM * init_vgmstream_rsd6at3p(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset;
    size_t data_size;
    int loop_flag, channel_count;


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

    /* check header */
    if (read_32bitBE(0x00,streamFile) != 0x52534436) /* "RSD6" */
        goto fail;
    if (read_32bitBE(0x04,streamFile) != 0x4154332B) /* "AT3+" */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x08, streamFile);
    start_offset = 0x800;
    data_size = get_streamfile_size(streamFile) - start_offset;

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

    vgmstream->meta_type = meta_RSD6AT3P;
    vgmstream->sample_rate = read_32bitLE(0x10, streamFile);

#ifdef VGM_USE_FFMPEG
    {
        ffmpeg_codec_data *ffmpeg_data = NULL;

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

        if (channel_count != ffmpeg_data->channels) goto fail;

        vgmstream->num_samples = ffmpeg_data->totalSamples; /* fact samples */

        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));
    }
#else
    goto fail;
#endif

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

fail:
    close_vgmstream(vgmstream);
    return NULL;
}


/* RSD6WMA [Scarface (Xbox)] */
VGMSTREAM * init_vgmstream_rsd6wma(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset;
    size_t data_size;
    int loop_flag, channel_count;


    /* checks */
    if (!check_extensions(streamFile,"rsd"))
        goto fail;
    if (read_32bitBE(0x00,streamFile) != 0x52534436) /* "RSD6" */
        goto fail;
    if (read_32bitBE(0x04,streamFile) != 0x574D4120) /* "WMA " */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x08, streamFile);
    start_offset = 0x800;
    data_size = get_streamfile_size(streamFile) - start_offset;

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

    vgmstream->meta_type = meta_RSD6WMA;
    //vgmstream->num_samples = read_32bitLE(start_offset + 0x00, streamFile) / channel_count / 2; /* may be PCM data size, but not exact */
    vgmstream->sample_rate = read_32bitLE(start_offset + 0x04, streamFile);

#ifdef VGM_USE_FFMPEG
    {
        ffmpeg_codec_data *ffmpeg_data = NULL;

        /* mini header + WMA header at start_offset */
        ffmpeg_data = init_ffmpeg_offset(streamFile, start_offset+0x08,data_size);
        if (!ffmpeg_data) goto fail;
        vgmstream->codec_data = ffmpeg_data;
        vgmstream->coding_type = coding_FFmpeg;
        vgmstream->layout_type = layout_none;

        vgmstream->num_samples = (int32_t)ffmpeg_data->totalSamples; /* an estimation, sometimes cuts files a bit early */
    }
#else
        goto fail;
#endif

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

fail:
    close_vgmstream(vgmstream);
    return NULL;
}