mirror of
https://github.com/vgmstream/vgmstream.git
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76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
#include "meta.h"
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#include "../layout/layout.h"
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#include "../util.h"
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/* WAD (from The golden Compass) */
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VGMSTREAM * init_vgmstream_ps2_adm(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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int i;
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off_t start_offset;
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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("adm",filename_extension(filename))) goto fail;
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loop_flag = 0;
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channel_count = 2;
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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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start_offset = 0x0;
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vgmstream->channels = channel_count;
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vgmstream->sample_rate = 44100;
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vgmstream->coding_type = coding_PSX;
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#if 0
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vgmstream->num_samples = read_32bitLE(0x0,streamFile)/channel_count/16*28;
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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_32bitLE(0x0,streamFile)/channel_count/16*28;
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}
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#endif
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vgmstream->layout_type = layout_ps2_adm_blocked;
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vgmstream->interleave_block_size = 0x400;
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vgmstream->meta_type = meta_PS2_ADM;
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/* open the file for reading by each channel */
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{
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for (i=0;i<channel_count;i++) {
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vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,vgmstream->interleave_block_size);
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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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/* Calc num_samples */
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ps2_adm_block_update(start_offset,vgmstream);
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vgmstream->num_samples=0; //(get_streamfile_size(streamFile)/0x1000*0xFE0)/32*28;
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do {
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vgmstream->num_samples += 0xFE0*14/16;
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ps2_adm_block_update(vgmstream->next_block_offset,vgmstream);
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} while (vgmstream->next_block_offset<get_streamfile_size(streamFile));
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ps2_adm_block_update(start_offset,vgmstream);
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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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