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33 lines
1.3 KiB
C
33 lines
1.3 KiB
C
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#ifndef _DECODE_H
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#define _DECODE_H
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#include "vgmstream.h"
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void free_codec(VGMSTREAM* vgmstream);
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void seek_codec(VGMSTREAM* vgmstream);
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void reset_codec(VGMSTREAM* vgmstream);
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/* Decode samples into the buffer. Assume that we have written samples_written into the
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* buffer already, and we have samples_to_do consecutive samples ahead of us. */
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void decode_vgmstream(VGMSTREAM* vgmstream, int samples_written, int samples_to_do, sample_t* buffer);
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/* Detect loop start and save values, or detect loop end and restore (loop back). Returns 1 if loop was done. */
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int vgmstream_do_loop(VGMSTREAM* vgmstream);
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/* Calculate number of consecutive samples to do (taking into account stopping for loop start and end) */
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int get_vgmstream_samples_to_do(int samples_this_block, int samples_per_frame, VGMSTREAM* vgmstream);
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/* Get the number of samples of a single frame (smallest self-contained sample group, 1/N channels) */
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int get_vgmstream_samples_per_frame(VGMSTREAM* vgmstream);
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/* Get the number of bytes of a single frame (smallest self-contained byte group, 1/N channels) */
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int get_vgmstream_frame_size(VGMSTREAM* vgmstream);
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/* In NDS IMA the frame size is the block size, but last one is shorter */
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int get_vgmstream_samples_per_shortframe(VGMSTREAM* vgmstream);
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int get_vgmstream_shortframe_size(VGMSTREAM* vgmstream);
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#endif
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