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45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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#include "meta.h"
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#include "../coding/coding.h"
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/* ASTL - found in Dead Rising (PC) */
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VGMSTREAM * init_vgmstream_pc_ast(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset, data_size;
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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,"ast"))
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x4153544C) /* "ASTL" */
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goto fail;
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loop_flag = 0; //TODO - Find hidden loop point calc and flag
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channel_count = read_8bit(0x32, streamFile);
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data_size = read_32bitLE(0x20,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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/* TODO - Find non-obvious loop points and flag (if any) */
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start_offset = read_32bitLE(0x10,streamFile);
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vgmstream->sample_rate = read_32bitLE(0x34,streamFile);
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vgmstream->coding_type = coding_PCM16LE;
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vgmstream->num_samples = data_size/(channel_count*2);
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x2;
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vgmstream->meta_type = meta_PC_AST;
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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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