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https://github.com/vgmstream/vgmstream.git
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56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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//todo this was extracted from a .pak bigfile. Inside are headers then data (no extensions),
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// but headers are VAGp in the PS2 version, so it would make more sense to extract pasting
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// header+data together, or support as-is (.SCK is a fake extension).
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/* SCK+DSP - Scorpion King (GC) */
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VGMSTREAM * init_vgmstream_ngc_sck_dsp(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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STREAMFILE * streamHeader = NULL;
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int channel_count, loop_flag;
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size_t data_size;
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/* check extension, case insensitive */
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if (!check_extensions(streamFile, "dsp"))
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goto fail;
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streamHeader = open_streamfile_by_ext(streamFile, "sck");
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if (!streamHeader) goto fail;
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if (read_32bitBE(0x5C,streamHeader) != 0x60A94000)
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goto fail;
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channel_count = 2;
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loop_flag = 0;
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data_size = read_32bitBE(0x14,streamHeader);
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count,loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->sample_rate = read_32bitBE(0x18,streamHeader);
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vgmstream->num_samples = dsp_bytes_to_samples(data_size, channel_count);
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = read_32bitBE(0xC,streamHeader);
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if (vgmstream->interleave_block_size > 0)
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vgmstream->interleave_last_block_size = (data_size % (vgmstream->interleave_block_size * channel_count)) / channel_count;
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vgmstream->meta_type = meta_NGC_SCK_DSP;
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dsp_read_coefs_be(vgmstream,streamHeader, 0x2c, 0x00);
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if (!vgmstream_open_stream(vgmstream,streamFile,0x00))
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goto fail;
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close_streamfile(streamHeader);
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return vgmstream;
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fail:
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close_streamfile(streamHeader);
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close_vgmstream(vgmstream);
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return NULL;
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}
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