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https://github.com/vgmstream/vgmstream.git
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116 lines
3.6 KiB
C
116 lines
3.6 KiB
C
#include "meta.h"
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#include "../util.h"
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/* INT
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PS2 INT format is a RAW 48khz PCM file without header
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The only fact about those file, is that the raw is interleaved
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The interleave value is allways 0x200
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known extensions : INT
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2008-05-11 - Fastelbja : First version ...
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*/
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VGMSTREAM * init_vgmstream_ps2_int(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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char filename[PATH_LIMIT];
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int i,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("int",filename_extension(filename)) &&
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strcasecmp("wp2",filename_extension(filename))) goto fail;
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if(!strcasecmp("int",filename_extension(filename)))
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channel_count = 2;
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else
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channel_count = 4;
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count,0);
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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 = 48000;
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vgmstream->coding_type = coding_PCM16LE;
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vgmstream->num_samples = (int32_t)(get_streamfile_size(streamFile)/(vgmstream->channels*2));
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vgmstream->interleave_block_size = 0x200;
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vgmstream->layout_type = layout_interleave;
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vgmstream->meta_type = meta_PS2_RAW;
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/* open the file for reading by each channel */
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{
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for (i=0;i<vgmstream->channels;i++) {
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vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,0x8000);
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if (!vgmstream->ch[i].streamfile) goto fail;
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vgmstream->ch[i].channel_start_offset=
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vgmstream->ch[i].offset=i*vgmstream->interleave_block_size;
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}
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}
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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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return NULL;
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}
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// OMU is a PS2 .INT file with header ...
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// found in Alter Echo
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VGMSTREAM * init_vgmstream_ps2_omu(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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char filename[PATH_LIMIT];
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int i,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("omu",filename_extension(filename))) goto fail;
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/* check header */
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if((read_32bitBE(0,streamFile)!=0x4F4D5520) && (read_32bitBE(0x08,streamFile)!=0x46524D54))
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goto fail;
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channel_count = (int)read_8bit(0x14,streamFile);
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count,1);
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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_32bitLE(0x10,streamFile);
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vgmstream->coding_type = coding_PCM16LE;
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vgmstream->num_samples = (int32_t)(read_32bitLE(0x3C,streamFile)/(vgmstream->channels*2));
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vgmstream->interleave_block_size = 0x200;
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vgmstream->layout_type = layout_interleave;
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vgmstream->meta_type = meta_PS2_OMU;
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vgmstream->loop_start_sample=0;
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vgmstream->loop_end_sample=vgmstream->num_samples;
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/* open the file for reading by each channel */
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{
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for (i=0;i<vgmstream->channels;i++) {
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vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,0x8000);
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if (!vgmstream->ch[i].streamfile) goto fail;
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vgmstream->ch[i].channel_start_offset=
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vgmstream->ch[i].offset=0x40+(i*vgmstream->interleave_block_size);
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}
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}
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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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return NULL;
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}
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