mirror of
https://github.com/vgmstream/vgmstream.git
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56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
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#include "meta.h"
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#include "../coding/coding.h"
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/* WV6 - Gorilla Systems PC games [Spy Kids: Mega Mission Zone (PC), Lilo & Stitch: Hawaiian Adventure (PC)] */
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VGMSTREAM * init_vgmstream_wv6(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset;
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int loop_flag, channel_count;
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/* checks */
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if (!check_extensions(streamFile, "wv6"))
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goto fail;
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if (read_32bitLE(0x00,streamFile) != get_streamfile_size(streamFile))
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goto fail;
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if (read_32bitBE(0x2c,streamFile) != 0x57563620 || /* "WV6 " */
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read_32bitBE(0x30,streamFile) != 0x494D415F) /* "IMA_" ("WV6 IMA_ADPCM COMPRESSED 16 BIT AUDIO") */
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goto fail;
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/* 0x54/58/5c/60/6c: unknown (reject to catch possible stereo files, but don't seem to exist) */
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if (read_32bitLE(0x54,streamFile) != 0x01 ||
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read_32bitLE(0x58,streamFile) != 0x01 ||
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read_32bitLE(0x5c,streamFile) != 0x10 ||
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read_32bitLE(0x68,streamFile) != 0x01 ||
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read_32bitLE(0x6c,streamFile) != 0x88)
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goto fail;
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/* 0x64: PCM size (samples*channels*2) */
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channel_count = 1;
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loop_flag = 0;
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start_offset = 0x8c;
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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_32bitLE(0x60, streamFile);
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vgmstream->num_samples = ima_bytes_to_samples(read_32bitLE(0x88,streamFile), channel_count);
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vgmstream->meta_type = meta_WV6;
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vgmstream->coding_type = coding_WV6_IMA;
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vgmstream->layout_type = layout_none;
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read_string(vgmstream->stream_name,0x1c+1, 0x04,streamFile);
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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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