mirror of
https://github.com/vgmstream/vgmstream.git
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54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
#include "meta.h"
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#include "../util.h"
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/* .AFC - from Nintendo games [Super Mario Sunshine (GC), The Legend of Zelda: Wind Waker (GC)] */
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VGMSTREAM * init_vgmstream_afc(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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/* .afc: common
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* .stx: Pikmin (GC) */
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if (!check_extensions(streamFile, "afc,stx"))
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goto fail;
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if (read_u32be(0x00, streamFile) > get_streamfile_size(streamFile)) /* size without padding */
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goto fail;
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if (read_u16be(0x0a, streamFile) != 4) /* bps? */
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goto fail;
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if (read_u16be(0x0c, streamFile) != 16) /* samples per frame? */
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goto fail;
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/* 0x0e: always 0x1E? */
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channel_count = 2;
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loop_flag = read_s32be(0x10, streamFile);
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start_offset = 0x20;
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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_AFC;
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vgmstream->num_samples = read_s32be(0x04, streamFile);
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vgmstream->sample_rate = read_u16be(0x08, streamFile);
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vgmstream->loop_start_sample = read_s32be(0x14, streamFile);
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vgmstream->loop_end_sample = vgmstream->num_samples;
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vgmstream->coding_type = coding_NGC_AFC;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x09;
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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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