59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* MSFC - Konami (Armature?) variation [Metal Gear Solid 2 HD (PS3), Metal Gear Solid 3 HD (PS3)] */
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VGMSTREAM* init_vgmstream_msf_konami(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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off_t start_offset;
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uint32_t codec;
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int loop_flag, channels, sample_rate;
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size_t data_size;
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/* checks */
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if (!check_extensions(sf,"msf"))
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goto fail;
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if (!is_id32be(0x00,sf,"MSFC"))
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goto fail;
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start_offset = 0x20;
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codec = read_u32be(0x04,sf);
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channels = read_s32be(0x08,sf);
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sample_rate = read_s32be(0x0c,sf);
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data_size = read_u32be(0x10,sf); /* without header */
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if (data_size + start_offset != get_streamfile_size(sf))
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goto fail;
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loop_flag = 0;
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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_MSF_KONAMI;
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vgmstream->sample_rate = sample_rate;
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switch (codec) {
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case 0x01:
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x10;
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vgmstream->num_samples = ps_bytes_to_samples(data_size, channels);
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break;
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default:
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goto fail;
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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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