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https://github.com/vgmstream/vgmstream.git
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61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
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#include "meta.h"
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#include "../util.h"
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/* matx
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MATX (found in Matrix)
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*/
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VGMSTREAM * init_vgmstream_xbox_matx(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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char filename[260];
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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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/* check extension, case insensitive */
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streamFile->get_name(streamFile,filename,sizeof(filename));
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if (strcasecmp("matx",filename_extension(filename))) goto fail;
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loop_flag = 0;
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channel_count=read_16bitLE(0x4,streamFile);
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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_16bitLE(0x06,streamFile) & 0xffff;
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vgmstream->coding_type = coding_XBOX;
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vgmstream->layout_type = layout_matx_blocked;
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vgmstream->meta_type = meta_XBOX_MATX;
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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,36);
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if (!vgmstream->ch[i].streamfile) goto fail;
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}
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}
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/* Calc num_samples */
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matx_block_update(0,vgmstream);
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vgmstream->num_samples=0;
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do {
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vgmstream->num_samples += vgmstream->current_block_size/36*64;
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matx_block_update(vgmstream->next_block_offset,vgmstream);
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} while (vgmstream->next_block_offset<get_streamfile_size(streamFile));
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matx_block_update(0,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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