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https://github.com/vgmstream/vgmstream.git
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Clean IDSPs
This commit is contained in:
bnnm
parent
c6a9396b67
commit
f7c26a493d
154
src/meta/idsp.c
154
src/meta/idsp.c
@ -1,171 +1,97 @@
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#include "meta.h"
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#include "../coding/coding.h"
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//todo cleanup
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/* "idsp" - from Namco's Wii NUB archives [Soul Calibur Legends (Wii), Sky Crawlers: Innocent Aces (Wii)] */
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VGMSTREAM * init_vgmstream_nub_idsp(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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char filename[PATH_LIMIT];
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int loop_flag;
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int channel_count;
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int i, j;
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off_t start_offset;
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int loop_flag, channel_count;
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/* check extension, case insensitive */
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streamFile->get_name(streamFile,filename,sizeof(filename));
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if (strcasecmp("idsp",filename_extension(filename))) goto fail;
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/* checks */
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if ( !check_extensions(streamFile,"idsp") )
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goto fail;
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/* check header */
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if (read_32bitBE(0x00,streamFile) != 0x69647370 || /* "idsp" */
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read_32bitBE(0xBC,streamFile) != 0x49445350) /* "IDSP" */
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/* actual header starts at "IDSP", while "idsp" is mostly nub bank stuff */
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if (read_32bitBE(0x00,streamFile) != 0x69647370) /* "idsp" */
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goto fail;
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if (read_32bitBE(0xBC,streamFile) != 0x49445350) /* "IDSP" */
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goto fail;
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loop_flag = read_32bitBE(0x20,streamFile);
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channel_count = read_32bitBE(0xC4,streamFile);
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if (channel_count > 8)
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goto fail;
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if (channel_count > 8) goto fail;
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start_offset = 0x100 + (channel_count * 0x60);
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count,loop_flag);
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if (!vgmstream) goto fail;
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start_offset = (channel_count * 0x60) + 0x100;
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vgmstream->meta_type = meta_NUB_IDSP;
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vgmstream->sample_rate = read_32bitBE(0xC8,streamFile);
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->num_samples = (read_32bitBE(0x14,streamFile))*14/8/channel_count;
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vgmstream->num_samples = dsp_bytes_to_samples(read_32bitBE(0x14,streamFile),channel_count);
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if (loop_flag) {
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vgmstream->loop_start_sample = (read_32bitBE(0xD0,streamFile));
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vgmstream->loop_end_sample = (read_32bitBE(0xD4,streamFile));
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}
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if (channel_count == 1) {
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vgmstream->layout_type = layout_none;
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}
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else if (channel_count > 1) {
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if (read_32bitBE(0xD8,streamFile) == 0) {
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vgmstream->layout_type = layout_none;
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vgmstream->interleave_block_size = (get_streamfile_size(streamFile)-start_offset)/2;
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}
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else if (read_32bitBE(0xD8,streamFile) > 0) {
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = read_32bitBE(0xD8,streamFile);
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}
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}
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vgmstream->meta_type = meta_NUB_IDSP;
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{
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if (vgmstream->coding_type == coding_NGC_DSP) {
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off_t coef_table[8] = {0x118,0x178,0x1D8,0x238,0x298,0x2F8,0x358,0x3B8};
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for (j=0;j<vgmstream->channels;j++) {
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for (i=0;i<16;i++) {
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vgmstream->ch[j].adpcm_coef[i] = read_16bitBE(coef_table[j]+i*2,streamFile);
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}
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}
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}
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}
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/* open the file for reading */
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{
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int i;
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STREAMFILE * file;
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file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
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if (!file) goto fail;
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for (i=0;i<channel_count;i++) {
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vgmstream->ch[i].streamfile = file;
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vgmstream->ch[i].channel_start_offset=
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vgmstream->ch[i].offset=start_offset+
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vgmstream->interleave_block_size*i;
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}
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}
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = read_32bitBE(0xD8,streamFile);
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if (vgmstream->interleave_block_size == 0)
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vgmstream->interleave_block_size = (get_streamfile_size(streamFile) - start_offset) / channel_count;
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dsp_read_coefs_be(vgmstream,streamFile,0x118,0x60);
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if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
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goto fail;
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return vgmstream;
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/* clean up anything we may have opened */
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fail:
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if (vgmstream) close_vgmstream(vgmstream);
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close_vgmstream(vgmstream);
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return NULL;
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}
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/* IDSP - from Inevitable Entertainment games [Defender (GC)] */
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VGMSTREAM * init_vgmstream_idsp_ie(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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char filename[PATH_LIMIT];
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int loop_flag = 0;
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int channel_count;
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off_t start_offset;
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int loop_flag, channel_count;
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/* check extension, case insensitive */
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streamFile->get_name(streamFile,filename,sizeof(filename));
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if (strcasecmp("idsp",filename_extension(filename))) goto fail;
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/* check header */
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/* checks */
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if ( !check_extensions(streamFile,"idsp") )
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x49445350) /* "IDSP" */
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goto fail;
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loop_flag = 0;
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channel_count = read_32bitBE(0x0C,streamFile);
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if (channel_count > 2) // Refuse everything else for now
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goto fail;
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if (channel_count > 2) goto fail;
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start_offset = 0x70;
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count,loop_flag);
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if (!vgmstream) goto fail;
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start_offset = 0x70;
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vgmstream->meta_type = meta_IDSP_IE;
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vgmstream->sample_rate = read_32bitBE(0x08,streamFile);
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->num_samples = read_32bitBE(0x04,streamFile)/channel_count/8*14;
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if (loop_flag) {
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vgmstream->loop_start_sample = 0;
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vgmstream->loop_end_sample = read_32bitBE(0x04,streamFile)/channel_count/8*14;
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}
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vgmstream->num_samples = dsp_bytes_to_samples(read_32bitBE(0x04,streamFile), channel_count);
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if (channel_count == 1) {
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vgmstream->layout_type = layout_none;
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}
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else {
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = read_32bitBE(0x10,streamFile);
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}
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vgmstream->meta_type = meta_IDSP_IE;
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{
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int i;
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for (i=0;i<16;i++)
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vgmstream->ch[0].adpcm_coef[i] = read_16bitBE(0x14+i*2,streamFile);
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if (channel_count == 2) {
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for (i=0;i<16;i++)
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vgmstream->ch[1].adpcm_coef[i] = read_16bitBE(0x42+i*2,streamFile);
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}
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}
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/* open the file for reading */
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{
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int i;
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STREAMFILE * file;
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file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
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if (!file) goto fail;
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for (i=0;i<channel_count;i++) {
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vgmstream->ch[i].streamfile = file;
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vgmstream->ch[i].channel_start_offset=
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vgmstream->ch[i].offset=start_offset+
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vgmstream->interleave_block_size*i;
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}
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}
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = read_32bitBE(0x10,streamFile);
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dsp_read_coefs_be(vgmstream,streamFile,0x14,0x2E);
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if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
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goto fail;
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return vgmstream;
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/* clean up anything we may have opened */
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fail:
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if (vgmstream) close_vgmstream(vgmstream);
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close_vgmstream(vgmstream);
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return NULL;
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}
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