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https://github.com/vgmstream/vgmstream.git
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48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* SMPL - from Homura (PS2) */
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VGMSTREAM * init_vgmstream_ps2_smpl(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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size_t channel_size;
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/* checks*/
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/* .v0: left channel, .v1: right channel
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* .smpl: header id */
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if ( !check_extensions(streamFile,"v0,v1,smpl") )
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x534D504C) /* "SMPL" */
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goto fail;
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channel_count = 1;
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loop_flag = (read_32bitLE(0x30,streamFile) != 0); /* .v1 doesn't have loop points */
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start_offset = 0x40;
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channel_size = read_32bitBE(0x0c,streamFile) - 0x10;
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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(0x10,streamFile);
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vgmstream->num_samples = ps_bytes_to_samples(channel_size*channel_count, channel_count);
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vgmstream->loop_start_sample = read_32bitLE(0x30,streamFile);
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vgmstream->loop_end_sample = vgmstream->num_samples;
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vgmstream->meta_type = meta_PS2_SMPL;
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vgmstream->allow_dual_stereo = 1;
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = layout_none;
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read_string(vgmstream->stream_name,0x10+1, 0x20,streamFile);
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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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