mirror of
https://github.com/vgmstream/vgmstream.git
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60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
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#include "meta.h"
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#include "../util.h"
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/* .lsf - Fastlane Street Racing (iPhone) */
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/* "!n1nj4n" */
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VGMSTREAM * init_vgmstream_lsf_n1nj4n(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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char filename[260];
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size_t file_size;
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off_t start_offset;
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/* check extension, case insensitive */
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streamFile->get_name(streamFile,filename,sizeof(filename));
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if (strcasecmp("lsf",filename_extension(filename))) goto fail;
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/* check header */
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if (read_32bitBE(0x0, streamFile) != 0x216E316E || // "!n1n"
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read_32bitBE(0x4, streamFile) != 0x6A346E00) // "j4n\0"
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goto fail;
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/* check size */
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file_size = get_streamfile_size(streamFile);
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if (read_32bitLE(0xC, streamFile) + 0x10 != file_size)
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goto fail;
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start_offset = 0x10;
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(1,0);
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if (!vgmstream) goto fail;
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/* fill in the vital statistics */
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vgmstream->num_samples = (file_size-0x10)/0x1c*0x1b*2;
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vgmstream->sample_rate = read_32bitLE(0x8, streamFile);
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vgmstream->coding_type = coding_LSF;
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vgmstream->layout_type = layout_none;
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vgmstream->meta_type = meta_LSF_N1NJ4N;
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/* open the file for reading */
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{
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vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
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if (!vgmstream->ch[0].streamfile) goto fail;
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vgmstream->ch[0].channel_start_offset=
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vgmstream->ch[0].offset=start_offset;
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}
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return vgmstream;
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/* clean up anything we may have opened */
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fail:
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if (vgmstream) close_vgmstream(vgmstream);
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return NULL;
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}
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