Removed unwanted blocks and changed CMakefile

1 files changed, 0 insertions, 342 deletions

diff --git a/gr-vocoder/lib/codec2/codec2.c b/gr-vocoder/lib/codec2/codec2.c
deleted file mode 100644
index 93ea9208c..000000000
--- a/gr-vocoder/lib/codec2/codec2.c
+++ /dev/null
@@ -1,342 +0,0 @@
-/*---------------------------------------------------------------------------*\
-
-  FILE........: codec2.c
-  AUTHOR......: David Rowe
-  DATE CREATED: 21/8/2010
-
-  Codec2 fully quantised encoder and decoder functions.  If you want use
-  codec2, the codec2_xxx functions are for you.
-
-\*---------------------------------------------------------------------------*/
-
-/*
-  Copyright (C) 2010 David Rowe
-
-  All rights reserved.
-
-  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU Lesser General Public License version 2.1, as
-  published by the Free Software Foundation.  This program is
-  distributed in the hope that it will be useful, but WITHOUT ANY
-  WARRANTY; without even the implied warranty of MERCHANTABILITY or
-  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
-  License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with this program; if not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-
-#include "defines.h"
-#include "sine.h"
-#include "nlp.h"
-#include "dump.h"
-#include "lpc.h"
-#include "quantise.h"
-#include "phase.h"
-#include "interp.h"
-#include "postfilter.h"
-#include "codec2.h"
-#include "codec2_internal.h"
-
-/*---------------------------------------------------------------------------*\
-
-                                FUNCTIONS
-
-\*---------------------------------------------------------------------------*/
-
-/*---------------------------------------------------------------------------*\
-
-  FUNCTION....: codec2_create
-  AUTHOR......: David Rowe
-  DATE CREATED: 21/8/2010
-
-  Create and initialise an instance of the codec.  Returns a pointer
-  to the codec states or NULL on failure.  One set of states is
-  sufficient for a full duuplex codec (i.e. an encoder and decoder).
-  You don't need separate states for encoders and decoders.  See
-  c2enc.c and c2dec.c for examples.
-
-\*---------------------------------------------------------------------------*/
-
-void *codec2_create()
-{
-    CODEC2 *c2;
-    int     i,l;
-
-    c2 = (CODEC2*)malloc(sizeof(CODEC2));
-    if (c2 == NULL)
-	return NULL;
-
-    for(i=0; i<M; i++)
-	c2->Sn[i] = 1.0;
-    c2->hpf_states[0] = c2->hpf_states[1] = 0.0;
-    for(i=0; i<2*N; i++)
-	c2->Sn_[i] = 0;
-    make_analysis_window(c2->w,c2->W);
-    make_synthesis_window(c2->Pn);
-    quantise_init();
-    c2->prev_Wo = 0.0;
-    c2->bg_est = 0.0;
-    c2->ex_phase = 0.0;
-
-    for(l=1; l<MAX_AMP; l++)
-	c2->prev_model.A[l] = 0.0;
-    c2->prev_model.Wo = TWO_PI/P_MAX;
-    c2->prev_model.L = PI/c2->prev_model.Wo;
-    c2->prev_model.voiced = 0;
-
-    for(i=0; i<LPC_ORD; i++) {
-      c2->prev_lsps[i] = i*PI/(LPC_ORD+1);
-    }
-    c2->prev_energy = 1;
-
-    c2->nlp = nlp_create();
-    if (c2->nlp == NULL) {
-	free (c2);
-	return NULL;
-    }
-
-    return (void*)c2;
-}
-
-/*---------------------------------------------------------------------------*\
-
-  FUNCTION....: codec2_create
-  AUTHOR......: David Rowe
-  DATE CREATED: 21/8/2010
-
-  Destroy an instance of the codec.
-
-\*---------------------------------------------------------------------------*/
-
-void codec2_destroy(void *codec2_state)
-{
-    CODEC2 *c2;
-
-    assert(codec2_state != NULL);
-    c2 = (CODEC2*)codec2_state;
-    nlp_destroy(c2->nlp);
-    free(codec2_state);
-}
-
-/*---------------------------------------------------------------------------*\
-
-  FUNCTION....: codec2_encode
-  AUTHOR......: David Rowe
-  DATE CREATED: 21/8/2010
-
-  Encodes 160 speech samples (20ms of speech) into 51 bits.
-
-  The codec2 algorithm actually operates internally on 10ms (80
-  sample) frames, so we run the encoding algorithm twice.  On the
-  first frame we just send the voicing bit.  One the second frame we
-  send all model parameters.
-
-  The bit allocation is:
-
-    Parameter                      bits/frame
-    --------------------------------------
-    Harmonic magnitudes (LSPs)     36
-    Low frequency LPC correction    1
-    Energy                          5
-    Wo (fundamental frequnecy)      7
-    Voicing (10ms update)           2
-    TOTAL                          51
-
-\*---------------------------------------------------------------------------*/
-
-void codec2_encode(void *codec2_state, unsigned char * bits, short speech[])
-{
-    CODEC2 *c2;
-    MODEL   model;
-    int     voiced1, voiced2;
-    int     lsp_indexes[LPC_ORD];
-    int     energy_index;
-    int     Wo_index;
-    int     i;
-    unsigned int nbit = 0;
-
-    assert(codec2_state != NULL);
-    c2 = (CODEC2*)codec2_state;
-
-    /* first 10ms analysis frame - we just want voicing */
-
-    analyse_one_frame(c2, &model, speech);
-    voiced1 = model.voiced;
-
-    /* second 10ms analysis frame */
-
-    analyse_one_frame(c2, &model, &speech[N]);
-    voiced2 = model.voiced;
-
-    Wo_index = encode_Wo(model.Wo);
-    encode_amplitudes(lsp_indexes,
-		      &energy_index,
-		      &model,
-		       c2->Sn,
-		       c2->w);
-    memset(bits, '\0', ((CODEC2_BITS_PER_FRAME + 7) / 8));
-    pack(bits, &nbit, Wo_index, WO_BITS);
-    for(i=0; i<LPC_ORD; i++) {
-	pack(bits, &nbit, lsp_indexes[i], lsp_bits(i));
-    }
-    pack(bits, &nbit, energy_index, E_BITS);
-    pack(bits, &nbit, voiced1, 1);
-    pack(bits, &nbit, voiced2, 1);
-
-    assert(nbit == CODEC2_BITS_PER_FRAME);
-}
-
-/*---------------------------------------------------------------------------*\
-
-  FUNCTION....: codec2_decode
-  AUTHOR......: David Rowe
-  DATE CREATED: 21/8/2010
-
-  Decodes frames of 51 bits into 160 samples (20ms) of speech.
-
-\*---------------------------------------------------------------------------*/
-
-void codec2_decode(void *codec2_state, short speech[],
-                   const unsigned char * bits)
-{
-    CODEC2 *c2;
-    MODEL   model;
-    int     voiced1, voiced2;
-    int     lsp_indexes[LPC_ORD];
-    float   lsps[LPC_ORD];
-    int     energy_index;
-    float   energy;
-    int     Wo_index;
-    float   ak[LPC_ORD+1];
-    float   ak_interp[LPC_ORD+1];
-    int     i;
-    unsigned int nbit = 0;
-    MODEL   model_interp;
-
-    assert(codec2_state != NULL);
-    c2 = (CODEC2*)codec2_state;
-
-    /* unpack bit stream to integer codes */
-
-    Wo_index = unpack(bits, &nbit, WO_BITS);
-    for(i=0; i<LPC_ORD; i++) {
-	lsp_indexes[i] = unpack(bits, &nbit, lsp_bits(i));
-    }
-    energy_index = unpack(bits, &nbit, E_BITS);
-    voiced1 = unpack(bits, &nbit, 1);
-    voiced2 = unpack(bits, &nbit, 1);
-    assert(nbit == CODEC2_BITS_PER_FRAME);
-
-    /* decode integer codes to model parameters */
-
-    model.Wo = decode_Wo(Wo_index);
-    model.L = PI/model.Wo;
-    memset(&model.A, 0, (model.L+1)*sizeof(model.A[0]));
-    decode_amplitudes(&model,
-		      ak,
-		      lsp_indexes,
-		      energy_index,
-		      lsps,
-		      &energy);
-
-    model.voiced = voiced2;
-    model_interp.voiced = voiced1;
-    model_interp.Wo = P_MAX/2;
-    memset(&model_interp.A, 0, MAX_AMP*sizeof(model_interp.A[0]));
-
-    /* interpolate middle frame's model parameters for adjacent frames */
-
-    interpolate_lsp(&model_interp, &c2->prev_model, &model,
-    		    c2->prev_lsps, c2->prev_energy, lsps, energy, ak_interp);
-    apply_lpc_correction(&model_interp);
-
-    /* synthesis two 10ms frames */
-
-    synthesise_one_frame(c2, speech, &model_interp, ak_interp);
-    synthesise_one_frame(c2, &speech[N], &model, ak);
-
-    /* update memories (decode states) for next time */
-
-    memcpy(&c2->prev_model, &model, sizeof(MODEL));
-    memcpy(c2->prev_lsps, lsps, sizeof(lsps));
-    c2->prev_energy = energy;
-}
-
-/*---------------------------------------------------------------------------*\
-
-  FUNCTION....: synthesise_one_frame()
-  AUTHOR......: David Rowe
-  DATE CREATED: 23/8/2010
-
-  Synthesise 80 speech samples (10ms) from model parameters.
-
-\*---------------------------------------------------------------------------*/
-
-void synthesise_one_frame(CODEC2 *c2, short speech[], MODEL *model, float ak[])
-{
-    int     i;
-
-    phase_synth_zero_order(model, ak, &c2->ex_phase, LPC_ORD);
-    postfilter(model, &c2->bg_est);
-    synthesise(c2->Sn_, model, c2->Pn, 1);
-
-    for(i=0; i<N; i++) {
-	if (c2->Sn_[i] > 32767.0)
-	    speech[i] = 32767;
-	else if (c2->Sn_[i] < -32767.0)
-	    speech[i] = -32767;
-	else
-	    speech[i] = c2->Sn_[i];
-    }
-
-}
-
-/*---------------------------------------------------------------------------*\
-
-  FUNCTION....: analyse_one_frame()
-  AUTHOR......: David Rowe
-  DATE CREATED: 23/8/2010
-
-  Extract sinusoidal model parameters from 80 speech samples (10ms of
-  speech).
-
-\*---------------------------------------------------------------------------*/
-
-void analyse_one_frame(CODEC2 *c2, MODEL *model, short speech[])
-{
-    COMP    Sw[FFT_ENC];
-    COMP    Sw_[FFT_ENC];
-    COMP    Ew[FFT_ENC];
-    float   pitch;
-    int     i;
-
-    /* Read input speech */
-
-    for(i=0; i<M-N; i++)
-      c2->Sn[i] = c2->Sn[i+N];
-    for(i=0; i<N; i++)
-      c2->Sn[i+M-N] = speech[i];
-
-    dft_speech(Sw, c2->Sn, c2->w);
-
-    /* Estimate pitch */
-
-    nlp(c2->nlp,c2->Sn,N,M,P_MIN,P_MAX,&pitch,Sw,&c2->prev_Wo);
-    model->Wo = TWO_PI/pitch;
-    model->L = PI/model->Wo;
-
-    /* estimate model parameters */
-
-    two_stage_pitch_refinement(model, Sw);
-    estimate_amplitudes(model, Sw, c2->W);
-    est_voicing_mbe(model, Sw, c2->W, Sw_, Ew, c2->prev_Wo);
-
-    c2->prev_Wo = model->Wo;
-}