46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* SL3 - Atari Melbourne House games [ Test Drive Unlimited (PS2), Transformers (PS2)] */
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VGMSTREAM * init_vgmstream_sl3(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset;
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int loop_flag = 0, channel_count;
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/* checks */
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/* .ms: actual extension, sl3: header id */
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if (!check_extensions(streamFile, "ms,sl3"))
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x534C3300) /* "SL3\0" */
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goto fail;
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loop_flag = 0;
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channel_count = read_32bitLE(0x14,streamFile);
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start_offset = 0x8000; /* also at 0x24? */
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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(0x18,streamFile);
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vgmstream->num_samples = ps_bytes_to_samples(get_streamfile_size(streamFile)-start_offset,channel_count);
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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(0x1C,streamFile);
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}
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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 = read_32bitLE(0x20,streamFile);
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vgmstream->meta_type = meta_SL3;
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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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