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47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* .PCM - from KCE Japan East PS2 games [Ephemeral Fantasia (PS2), Yu-Gi-Oh! The Duelists of the Roses (PS2), 7 Blades (PS2)] */
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VGMSTREAM* init_vgmstream_pcm_kceje(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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uint32_t data_size = read_u32le(0x00,sf);
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if (data_size > 0x00 && data_size + 0x800 >= get_streamfile_size(sf) && data_size + 0x1000 <= get_streamfile_size(sf))
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return NULL; /* usually 0x800 but may be padded */
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if (pcm16_bytes_to_samples(data_size, 2) != read_u32le(0x04,sf))
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return NULL;
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if (!check_extensions(sf,"pcm"))
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return NULL;
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loop_flag = (read_s32le(0x0C,sf) != 0x00);
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channels = 2;
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start_offset = 0x800;
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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->channels = channels;
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vgmstream->sample_rate = 24000;
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vgmstream->num_samples = read_s32le(0x04,sf);
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vgmstream->loop_start_sample = read_s32le(0x08,sf);
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vgmstream->loop_end_sample = read_s32le(0x0C,sf);
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vgmstream->coding_type = coding_PCM16LE;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x02;
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vgmstream->meta_type = meta_PCM_KCEJE;
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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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if (vgmstream) close_vgmstream(vgmstream);
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return NULL;
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}
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