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61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* NPFS - found in Namco NuSound v1 games [Tekken 5 (PS2), Venus & Braves (PS2), Ridge Racer (PSP)] */
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VGMSTREAM* init_vgmstream_nps(STREAMFILE* sf) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset;
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uint32_t channel_size;
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int loop_flag, channel_count, loop_start, sample_rate;
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/* checks */
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/* .nps: referenced extension (ex. Venus & Braves, Ridge Racer data files)
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* .npsf: header id (Namco Production Sound File?) */
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if ( !check_extensions(sf,"nps,npsf"))
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goto fail;
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if (read_u32be(0x00, sf) != 0x4E505346) /* "NPSF" */
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goto fail;
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/* 0x04: version? (0x00001000 = 1.00?) */
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channel_size = read_s32le(0x08, sf);
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channel_count = read_s32le(0x0C, sf);
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start_offset = read_s32le(0x10, sf); /* interleave? */
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loop_start = read_s32le(0x14, sf);
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sample_rate = read_s32le(0x18, sf);
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/* 0x1c: volume? (0x3e8 = 1000 = max) */
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/* 0x20: flags? (varies between sound types in a game, but no clear pattern vs other games) */
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/* 0x24: flag? (0/1) */
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/* 0x28: null */
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/* 0x2c: null */
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/* 0x30: always 0x40 */
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/* 0x34: name (usually null terminated but may contain garbage) */
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/* rest: null or 0xFF until start */
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loop_flag = loop_start != -1;
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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 = sample_rate;
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vgmstream->num_samples = ps_bytes_to_samples(channel_size, 1);
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vgmstream->loop_start_sample = loop_start;
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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 = 0x800;
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vgmstream->meta_type = meta_NPS;
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read_string(vgmstream->stream_name, STREAM_NAME_SIZE, 0x34, sf);
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if (!vgmstream_open_stream(vgmstream, sf, 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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