mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-18 17:35:53 +01:00
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* CPS - tri-Crescendo games [Eternal Sonata (PS3)] */
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VGMSTREAM* init_vgmstream_cps(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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off_t start_offset;
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int loop_flag, channels;
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/* checks */
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if (!is_id32be(0x00,sf, "CPS "))
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goto fail;
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if (!check_extensions(sf,"cps"))
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goto fail;
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start_offset = read_32bitBE(0x04,sf);
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channels = read_32bitBE(0x08,sf);
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loop_flag = read_32bitBE(0x18,sf);
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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_CPS;
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vgmstream->channels = channels;
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vgmstream->sample_rate = read_32bitBE(0x10,sf);
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if (read_32bitBE(0x20,sf) == 0) {
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vgmstream->coding_type = coding_PCM16BE;
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vgmstream->layout_type = layout_interleave;
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vgmstream->num_samples = pcm16_bytes_to_samples(read_32bitBE(0x0c,sf), channels);
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vgmstream->interleave_block_size = 2;
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}
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else {
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = layout_interleave;
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vgmstream->num_samples = ps_bytes_to_samples(read_32bitBE(0x0c,sf), channels);
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vgmstream->interleave_block_size = 0x10;
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vgmstream->loop_start_sample = ps_bytes_to_samples(read_32bitBE(0x14,sf), channels);
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vgmstream->loop_end_sample = ps_bytes_to_samples(read_32bitBE(0x18,sf), channels);
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}
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if (!vgmstream_open_stream(vgmstream, sf, 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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