mirror of
https://github.com/vgmstream/vgmstream.git
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61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
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#include "meta.h"
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#include "../coding/coding.h"
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/* RFTM - Retro Studios format [Donkey Kong Country Tropical Freeze (WiiU)] */
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VGMSTREAM * init_vgmstream_rfrm(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset, header_offset;
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size_t interleave;
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int loop_flag, channel_count;
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/* checks */
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if (!check_extensions(streamFile, "csmp"))
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goto fail;
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/* format uses weird-sized chunks, quick hack until I get enough files */
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if (read_32bitBE(0x00, streamFile) != 0x5246524D) /* "RFRM" */
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goto fail;
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if (read_32bitBE(0x14, streamFile) != 0x43534D50) /* "CSMP" */
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goto fail;
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if (read_32bitBE(0x3d, streamFile) != 0x44415441) /* "DATA" */
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goto fail;
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channel_count = read_32bitBE(0x35, streamFile);
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header_offset = 0x58;
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loop_flag = read_16bitBE(header_offset+0x0c,streamFile);
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start_offset = header_offset + 0x60;
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interleave = (get_streamfile_size(streamFile) - header_offset) / channel_count;
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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->meta_type = meta_RFRM;
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vgmstream->sample_rate = read_32bitBE(header_offset+0x08,streamFile);
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vgmstream->num_samples = read_32bitBE(header_offset+0x00,streamFile);
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vgmstream->loop_start_sample = dsp_nibbles_to_samples(read_32bitBE(header_offset+0x10,streamFile));
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vgmstream->loop_end_sample = dsp_nibbles_to_samples(read_32bitBE(header_offset+0x14,streamFile))+1;
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if (vgmstream->loop_end_sample > vgmstream->num_samples) /* ? */
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vgmstream->loop_end_sample = vgmstream->num_samples;
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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 = interleave;
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dsp_read_coefs_be(vgmstream, streamFile, header_offset+0x1c, interleave);
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dsp_read_hist_be(vgmstream, streamFile, header_offset+0x40, interleave);
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if (!vgmstream_open_stream(vgmstream,streamFile,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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