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https://github.com/vgmstream/vgmstream.git
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67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
#include "meta.h"
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/* .BAF - Bizarre Creations (Blur, James Bond 007: Blood Stone, etc) */
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VGMSTREAM * init_vgmstream_baf(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t WAVE_size, DATA_size;
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off_t start_offset;
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long sample_count;
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int sample_rate;
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const int frame_size = 33;
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const int frame_samples = (frame_size-1) * 2;
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int channels;
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int loop_flag = 0;
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/* check extensions */
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if ( !check_extensions(streamFile, "baf") )
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goto fail;
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/* check WAVE */
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if (read_32bitBE(0,streamFile) != 0x57415645) /* "WAVE" */
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goto fail;
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WAVE_size = read_32bitBE(4,streamFile);
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if (WAVE_size != 0x4c) /* && WAVE_size != 0x50*/
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goto fail;
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/* check for DATA after WAVE */
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if (read_32bitBE(WAVE_size,streamFile) != 0x44415441) /* "DATA"*/
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goto fail;
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/* check that WAVE size is data size */
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DATA_size = read_32bitBE(0x30,streamFile);
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if (read_32bitBE(WAVE_size+4,streamFile)-8 != DATA_size) goto fail;
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/*if (WAVE_size == 0x50) sample_count = DATA_size * frame_samples / frame_size / channels;*/
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sample_count = read_32bitBE(0x44,streamFile);
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/*if (WAVE_size == 0x50) sample_rate = read_32bitBE(0x3c,streamFile);*/
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sample_rate = read_32bitBE(0x40,streamFile);
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/* unsure how to detect channel count, so use a hack */
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channels = (long long)DATA_size / frame_size * frame_samples / sample_count;
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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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/* fill in the vital statistics */
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start_offset = WAVE_size + 8;
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vgmstream->sample_rate = sample_rate;
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vgmstream->num_samples = sample_count;
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vgmstream->coding_type = coding_PSX_cfg;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = frame_size;
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vgmstream->meta_type = meta_BAF;
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/* open the file for reading */
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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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