48 lines
2.3 KiB
C
Executable file
48 lines
2.3 KiB
C
Executable file
/*--------------------------------------------------------------------------*/
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/* ITU-T G.722.1 Fullband Extension Annex X. Source Code */
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/* © 2008 Ericsson AB. and Polycom Inc. */
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/* All rights reserved. */
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/*--------------------------------------------------------------------------*/
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#include "state.h"
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#include "cnst.h"
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#include "rom.h"
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/*--------------------------------------------------------------------------*/
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/* Function decoder_reset_tables */
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/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
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/* */
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/* Reset decoder tables */
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/*--------------------------------------------------------------------------*/
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/* decoderState *d (i) state of decoder */
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/* short num_bits (i) number of bits */
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/*--------------------------------------------------------------------------*/
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void decoder_reset_tables(DecoderState *d, short num_bits)
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{
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d->num_bits_spectrum_stationary = num_bits - 3;
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d->num_bits_spectrum_transient = num_bits - 1;
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d->num_bits = num_bits;
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}
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/*--------------------------------------------------------------------------*/
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/* Function decoder_init */
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/* ~~~~~~~~~~~~~~~~~~~~~~ */
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/* */
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/* Initialize the state of the decoder */
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/*--------------------------------------------------------------------------*/
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/* DecoderState *d (i) state of decoder */
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/* short num_bits (i) number of bits */
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/*--------------------------------------------------------------------------*/
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void decoder_init(DecoderState *d, short num_bits)
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{
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short i;
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for (i=0 ; i < FRAME_LENGTH ; i++)
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{
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d->old_out[i] = 0.0f;
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}
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d->old_is_transient = 0;
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decoder_reset_tables(d, num_bits);
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}
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