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45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* .MYSPD - from U-Sing (Wii) */
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VGMSTREAM* init_vgmstream_myspd(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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int loop_flag = 0, channels;
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uint32_t start_offset, channel_size;
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/* checks */
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/* .myspd: actual extension */
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if (!check_extensions(sf,"myspd"))
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return NULL;
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channels = 2;
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start_offset = 0x20;
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channel_size = read_s32be(0x00,sf);
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/* check size */
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if (channel_size * channels + start_offset != get_streamfile_size(sf))
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goto fail;
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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->num_samples = ima_bytes_to_samples(channel_size*channels, channels);
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vgmstream->sample_rate = read_s32be(0x04,sf);
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vgmstream->meta_type = meta_MYSPD;
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vgmstream->coding_type = coding_IMA_int;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = channel_size;
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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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