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https://github.com/vgmstream/vgmstream.git
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99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
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#include "meta.h"
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#include "../util.h"
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/*
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SCK+DSP
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2009-08-25 - manakoAT : Scorpion King (NGC)...
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*/
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VGMSTREAM * init_vgmstream_ngc_sck_dsp(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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STREAMFILE * streamFileDSP = NULL;
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char filename[260];
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char filenameDSP[260];
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int i;
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int channel_count;
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int loop_flag;
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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("sck",filename_extension(filename))) goto fail;
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strcpy(filenameDSP,filename);
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strcpy(filenameDSP+strlen(filenameDSP)-3,"dsp");
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streamFileDSP = streamFile->open(streamFile,filenameDSP,STREAMFILE_DEFAULT_BUFFER_SIZE);
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if (read_32bitBE(0x5C,streamFile) != 0x60A94000)
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goto fail;
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if (!streamFile) goto fail;
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channel_count = 2;
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loop_flag = 0;
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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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/* fill in the vital statistics */
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vgmstream->channels = channel_count;
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vgmstream->sample_rate = read_32bitBE(0x18,streamFile);
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vgmstream->num_samples=read_32bitBE(0x14,streamFile)/8/channel_count*14;
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vgmstream->coding_type = coding_NGC_DSP;
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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(0x10,streamFile)/8/channel_count*14;
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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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} else if (channel_count == 2) {
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size=read_32bitBE(0xC,streamFile);
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}
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vgmstream->meta_type = meta_NGC_SCK_DSP;
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/* open the file for reading */
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{
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for (i=0;i<channel_count;i++) {
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/* Not sure, i'll put a fake value here for now */
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vgmstream->ch[i].streamfile = streamFile->open(streamFileDSP,filenameDSP,0x8000);
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vgmstream->ch[i].offset = 0;
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if (!vgmstream->ch[i].streamfile) goto fail;
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}
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}
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if (vgmstream->coding_type == coding_NGC_DSP) {
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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(0x2C+i*2,streamFile);
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}
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if (vgmstream->channels == 2) {
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for (i=0;i<16;i++) {
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vgmstream->ch[1].adpcm_coef[i] = read_16bitBE(0x2C+i*2,streamFile);
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}
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}
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}
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close_streamfile(streamFileDSP); streamFileDSP=NULL;
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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 (streamFileDSP) close_streamfile(streamFileDSP);
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if (vgmstream) close_vgmstream(vgmstream);
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return NULL;
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}
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