view libgsmefr/enc_state.h @ 46:edd2e20e7090

gsmrec-dump: decode EFR frames
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 25 Nov 2022 03:06:03 +0000
parents ba044871c9dd
children af4b075d0313
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/*
 * In this header file we define our encoder state structure.
 * This encoder state structure is internal to libgsmefr,
 * NOT part of our external public interface!
 */

struct EFR_encoder_state {
	/* from coder.c */
	Word16 dtx_mode;
	/* from cod_12k2.c */
	Word16 old_speech[L_TOTAL];
	Word16 old_wsp[L_FRAME + PIT_MAX];
	Word16 old_exc[L_FRAME + PIT_MAX + L_INTERPOL];
	Word16 ai_zero[L_SUBFR + MP1];
	Word16 hvec[L_SUBFR * 2];
	Word16 lsp_old[M];
	Word16 lsp_old_q[M];
	Word16 mem_syn[M];
	Word16 mem_w0[M];
	Word16 mem_w[M];
	Word16 mem_err[M + L_SUBFR];
	/* from levinson.c */
	Word16 old_A[M + 1];
	/* from pre_proc.c */
	struct preproc_state {
		Word16 y2_hi;
		Word16 y2_lo;
		Word16 y1_hi;
		Word16 y1_lo;
		Word16 x0;
		Word16 x1;
	} pre_proc;
	/* to be continued */
};