mirror of
https://github.com/vgmstream/vgmstream.git
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47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
#include "meta.h"
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#include "../util.h"
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/* vag - from Namco's PS3 NUB archives (Ridge Racer 7) */
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VGMSTREAM * init_vgmstream_nub_vag(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 */
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if ( !check_extensions(streamFile, "vag")) goto fail;
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/* check header */
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if (read_32bitBE(0x00,streamFile) != 0x76616700) /* "vag\0" */
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goto fail;
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loop_flag = read_32bitBE(0x30,streamFile)==0x3F800000;
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channel_count = 1; /* dual file stereo */
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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_32bitBE(0xBC,streamFile);
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vgmstream->coding_type = coding_PSX;
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vgmstream->num_samples = read_32bitBE(0x14,streamFile)*28/32*2;
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if (loop_flag) {
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vgmstream->loop_start_sample = read_32bitBE(0x20,streamFile)*28/32*2;
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vgmstream->loop_end_sample = read_32bitBE(0x24,streamFile)*28/32*2;
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}
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vgmstream->layout_type = layout_none;
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vgmstream->meta_type = meta_NUB_VAG;
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start_offset = 0xC0;
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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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