45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* RSTM - from Rockstar games [Midnight Club 3, Bully - Canis Canim Edit (PS2)] */
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VGMSTREAM * init_vgmstream_ps2_rstm(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset;
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int loop_flag, channel_count;
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/* check extension (.rsm: in filelist, .rstm: renamed to header id) */
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if ( !check_extensions(streamFile,"rsm,rstm") )
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goto fail;
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/* check header */
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if (read_32bitBE(0x00,streamFile) != 0x5253544D) /* "RSTM" */
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goto fail;
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loop_flag = (read_32bitLE(0x24,streamFile)!=0xFFFFFFFF);
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channel_count = read_32bitLE(0x0C,streamFile);
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start_offset = 0x800;
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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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vgmstream->sample_rate = read_32bitLE(0x08,streamFile);
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vgmstream->num_samples = ps_bytes_to_samples(read_32bitLE(0x20,streamFile),channel_count);
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vgmstream->loop_start_sample = ps_bytes_to_samples(read_32bitLE(0x24,streamFile),channel_count);
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vgmstream->loop_end_sample = vgmstream->num_samples;
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x10;
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vgmstream->meta_type = meta_PS2_RSTM;
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/* open the file for reading */
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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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fail:
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close_vgmstream(vgmstream);
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return NULL;
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}
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