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50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* NPFS - found in Namco PS2/PSP games (Tekken 5, Ace Combat 5, Yumeria, Venus & Braves, Ridge Racer PSP) */
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VGMSTREAM * init_vgmstream_ps2_npsf(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, case insensitive (should be .nps as per Venus & Braves data files) */
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if ( !check_extensions(streamFile,"nps,npsf"))
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x4E505346) /* "NPSF" */
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goto fail;
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loop_flag = (read_32bitLE(0x14,streamFile) != 0xFFFFFFFF);
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channel_count = read_32bitLE(0x0C,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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vgmstream->channels = read_32bitLE(0x0C,streamFile);
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vgmstream->sample_rate = read_32bitLE(0x18,streamFile);
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vgmstream->num_samples = ps_bytes_to_samples(read_32bitLE(0x08,streamFile), 1); /* single channel data */
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if(vgmstream->loop_flag) {
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vgmstream->loop_start_sample = read_32bitLE(0x14,streamFile);
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vgmstream->loop_end_sample = ps_bytes_to_samples(read_32bitLE(0x08,streamFile), 1);
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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(0x04,streamFile) / 2;
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vgmstream->meta_type = meta_PS2_NPSF;
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read_string(vgmstream->stream_name,STREAM_NAME_SIZE, 0x34,streamFile);
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start_offset = (off_t)read_32bitLE(0x10,streamFile);
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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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