mirror of
https://github.com/vgmstream/vgmstream.git
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49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
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#include "meta.h"
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#include "../coding/coding.h"
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/* .208 - from Ocean game(s?) [Last Rites (PC)] */
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VGMSTREAM * init_vgmstream_208(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, sample_rate;
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size_t data_size;
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/* checks */
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if (!check_extensions(streamFile, "208"))
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goto fail;
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/* possible validation: (0x04 == 0 and 0xcc == 0x1F7D984D) or 0x04 == 0xf0 and 0xcc == 0) */
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if (!((read_32bitLE(0x04,streamFile) == 0x00 && read_32bitBE(0xcc,streamFile) == 0x1F7D984D) ||
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(read_32bitLE(0x04,streamFile) == 0xF0 && read_32bitBE(0xcc,streamFile) == 0x00000000)))
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goto fail;
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start_offset = read_32bitLE(0x00,streamFile);
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data_size = read_32bitLE(0x0c,streamFile);
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sample_rate = read_32bitLE(0x34,streamFile);
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channel_count = read_32bitLE(0x3C,streamFile); /* assumed */
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loop_flag = 0;
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if (start_offset + data_size != get_streamfile_size(streamFile))
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goto fail;
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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_208;
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vgmstream->sample_rate = sample_rate;
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vgmstream->num_samples = pcm_bytes_to_samples(data_size, channel_count, 8);
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vgmstream->coding_type = coding_PCM8_U;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x1;
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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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