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https://github.com/vgmstream/vgmstream.git
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49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
#include <math.h>
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#include "meta.h"
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#include "../util.h"
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/* DTK - headerless Nintendo DTK file [Harvest Moon - Another Wonderful Life (GC), XGRA (GC)] */
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VGMSTREAM * init_vgmstream_ngc_adpdtk(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset = 0;
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int channel_count = 2, loop_flag = 0; /* always stereo, no loop */
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/* checks */
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/* dtk: standard [XGRA (GC)], adp: standard [Harvest Moon AWL (GC)], wav/lwav: Alien Hominid (GC) */
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if ( !check_extensions(streamFile,"dtk,adp,wav,lwav"))
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goto fail;
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/* files have no header, and the ext is common, so all we can do is look for valid first frames */
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if (check_extensions(streamFile,"adp,wav,lwav")) {
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int i;
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for (i = 0; i < 10; i++) { /* try a bunch of frames */
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if (read_8bit(0x00 + i*0x20,streamFile) != read_8bit(0x02 + i*0x20,streamFile) ||
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read_8bit(0x01 + i*0x20,streamFile) != read_8bit(0x03 + i*0x20,streamFile))
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goto fail;
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}
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}
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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->num_samples = get_streamfile_size(streamFile) / 32 * 28;
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vgmstream->sample_rate = 48000;
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vgmstream->coding_type = coding_NGC_DTK;
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vgmstream->layout_type = layout_none;
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vgmstream->meta_type = meta_NGC_ADPDTK;
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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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