mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-19 18:05:52 +01:00
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
#include "meta.h"
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#include "../layout/layout.h"
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#include "../coding/coding.h"
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/* FILp - from Resident Evil: Dead Aim (PS2) */
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VGMSTREAM* init_vgmstream_filp(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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uint32_t start_offset;
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int channels, loop_flag;
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/* checks */
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if (!is_id32be(0x00,sf, "FILp"))
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return NULL;
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/* .fil: extension in bigfile */
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if (!check_extensions(sf,"fil"))
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return NULL;
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channels = read_s32le(0x04,sf); /* stereo only though */
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if (read_32bitLE(0x0C,sf) != get_streamfile_size(sf))
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goto fail;
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loop_flag = (read_u32le(0x34,sf) == 0x00); /* 00/01/02 */
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if (!is_id32be(0x100,sf, "VAGp"))
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return NULL;
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if (!is_id32be(0x130,sf, "VAGp"))
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return NULL;
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start_offset = 0x00; /* multiple FILp blocks pasted together (each including VAGps, but their sizes refer to the whole thing) */
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channels, loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->meta_type = meta_FILP;
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vgmstream->sample_rate = read_s32le(0x110,sf);
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vgmstream->num_samples = ps_bytes_to_samples(read_u32le(0x10C,sf), 1); /* channel size for the whole stream */
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vgmstream->loop_start_sample = 0;
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vgmstream->loop_end_sample = vgmstream->num_samples;
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = layout_blocked_filp;
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if (!vgmstream_open_stream(vgmstream, sf, start_offset))
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goto fail;
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block_update(start_offset, vgmstream);
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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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