1 files changed, 0 insertions, 291 deletions
diff --git a/gr-vocoder/lib/codec2/c2dec.c b/gr-vocoder/lib/codec2/c2dec.c
deleted file mode 100644
index ec44f0a9fd..0000000000
--- a/gr-vocoder/lib/codec2/c2dec.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/*---------------------------------------------------------------------------*\
-
-  FILE........: c2dec.c
-  AUTHOR......: David Rowe
-  DATE CREATED: 23/8/2010
-
-  Decodes a file of bits to a file of raw speech samples using codec2.
-
-\*---------------------------------------------------------------------------*/
-
-/*
-  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 "codec2.h"
-#include "dump.h"
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <getopt.h>
-
-#define NONE          0  /* no bit errors                          */
-#define UNIFORM       1  /* random bit errors                      */
-#define TWO_STATE     2  /* Two state error model                  */
-#define UNIFORM_RANGE 3  /* random bit errors over a certain range */
-
-void print_help(const struct option *long_options, int num_opts, char* argv[]);
-
-int main(int argc, char *argv[])
-{
-    int            mode;
-    void          *codec2;
-    FILE          *fin;
-    FILE          *fout;
-    FILE          *fber = NULL;
-    short         *buf;
-    unsigned char *bits, *prev_bits;
-    int            nsam, nbit, nbyte, i, byte, frames, bits_proc, bit_errors, error_mode;
-    int            nstart_bit, nend_bit, bit_rate;
-    int            state, next_state;
-    float          ber, r, burst_length, burst_period, burst_timer, ber_est;
-    unsigned char  mask;
-    int            natural, dump;
-
-    char* opt_string = "h:";
-    struct option long_options[] = {
-        { "ber", required_argument, NULL, 0 },
-        { "startbit", required_argument, NULL, 0 },
-        { "endbit", required_argument, NULL, 0 },
-        { "berfile", required_argument, NULL, 0 },
-        { "natural", no_argument, &natural, 1 },
-        #ifdef DUMP
-        { "dump", required_argument, &dump, 1 },
-        #endif
-        { "help", no_argument, NULL, 'h' },
-        { NULL, no_argument, NULL, 0 }
-    };
-    int num_opts=sizeof(long_options)/sizeof(struct option);
-
-    if (argc < 4)
-        print_help(long_options, num_opts, argv);
-
-    if (strcmp(argv[1],"3200") == 0)
-	mode = CODEC2_MODE_3200;
-    else if (strcmp(argv[1],"2400") == 0)
-	mode = CODEC2_MODE_2400;
-    else if (strcmp(argv[1],"1600") == 0)
-	mode = CODEC2_MODE_1600;
-    else if (strcmp(argv[1],"1400") == 0)
-	mode = CODEC2_MODE_1400;
-    else if (strcmp(argv[1],"1300") == 0)
-	mode = CODEC2_MODE_1300;
-    else if (strcmp(argv[1],"1200") == 0)
-	mode = CODEC2_MODE_1200;
-    else {
-	fprintf(stderr, "Error in mode: %s.  Must be 3200, 2400, 1600, 1400, 1300 or 1200\n", argv[1]);
-	exit(1);
-    }
-    bit_rate = atoi(argv[1]);
-
-    if (strcmp(argv[2], "-")  == 0) fin = stdin;
-    else if ( (fin = fopen(argv[2],"rb")) == NULL ) {
-	fprintf(stderr, "Error opening input bit file: %s: %s.\n",
-         argv[2], strerror(errno));
-	exit(1);
-    }
-
-    if (strcmp(argv[3], "-") == 0) fout = stdout;
-    else if ( (fout = fopen(argv[3],"wb")) == NULL ) {
-	fprintf(stderr, "Error opening output speech file: %s: %s.\n",
-         argv[3], strerror(errno));
-	exit(1);
-    }
-
-    error_mode = NONE;
-    ber = 0.0;
-    burst_length = burst_period = 0.0;
-    burst_timer = 0.0;
-    dump = natural = 0;
-
-    codec2 = codec2_create(mode);
-    nsam = codec2_samples_per_frame(codec2);
-    nbit = codec2_bits_per_frame(codec2);
-    buf = (short*)malloc(nsam*sizeof(short));
-    nbyte = (nbit + 7) / 8;
-    bits = (unsigned char*)malloc(nbyte*sizeof(char));
-    prev_bits = (unsigned char*)malloc(nbyte*sizeof(char));
-    frames = bit_errors = bits_proc = 0;
-    nstart_bit = 0;
-    nend_bit = nbit-1;
-
-    while(1) {
-        int option_index = 0;
-        int opt = getopt_long(argc, argv, opt_string,
-                    long_options, &option_index);
-        if (opt == -1)
-            break;
-
-        switch (opt) {
-        case 0:
-            if(strcmp(long_options[option_index].name, "ber") == 0) {
-                ber = atof(optarg);
-                error_mode = UNIFORM;
-            } else if(strcmp(long_options[option_index].name, "startbit") == 0) {
-	        nstart_bit = atoi(optarg);
-            } else if(strcmp(long_options[option_index].name, "endbit") == 0) {
-	        nend_bit = atoi(optarg);
-             } else if(strcmp(long_options[option_index].name, "berfile") == 0) {
-	        if ((fber = fopen(optarg,"wt")) == NULL) {
-	            fprintf(stderr, "Error opening BER file: %s %s.\n",
-                            optarg, strerror(errno));
-                    exit(1);
-                }
-
-            }
-            #ifdef DUMP
-            else if(strcmp(long_options[option_index].name, "dump") == 0) {
-                if (dump)
-	            dump_on(optarg);
-            }
-            #endif
-            break;
-
-        case 'h':
-            print_help(long_options, num_opts, argv);
-            break;
-
-        default:
-            /* This will never be reached */
-            break;
-        }
-    }
-    assert(nend_bit <= nbit);
-    codec2_set_natural_or_gray(codec2, !natural);
-    //printf("%d %d\n", nstart_bit, nend_bit);
-
-    while(fread(bits, sizeof(char), nbyte, fin) == (size_t)nbyte) {
-	frames++;
-
-        // apply bit errors, MSB of byte 0 is bit 0 in frame */
-
-	if ((error_mode == UNIFORM) || (error_mode == UNIFORM_RANGE)) {
-	    for(i=nstart_bit; i<nend_bit+1; i++) {
-		r = (float)rand()/RAND_MAX;
-		if (r < ber) {
-		    byte = i/8;
-		    //printf("nbyte %d nbit %d i %d byte %d bits[%d] 0x%0x ", nbyte, nbit, i, byte, byte, bits[byte]);
-		    mask = 1 << (7 - i + byte*8);
-                    bits[byte] ^= mask;
-		    //printf("shift: %d mask: 0x%0x bits[%d] 0x%0x\n", 7 - i + byte*8, mask, byte, bits[byte] );
-		    bit_errors++;
- 		}
-                bits_proc++;
-	    }
-	}
-
-	if (error_mode == TWO_STATE) {
-            burst_timer += (float)nbit/bit_rate;
-            fprintf(stderr, "burst_timer: %f  state: %d\n", burst_timer, state);
-
-            next_state = state;
-            switch(state) {
-            case 0:
-
-                /* clear channel state - no bit errors */
-
-                if (burst_timer > (burst_period - burst_length))
-                    next_state = 1;
-                break;
-
-            case 1:
-
-                /* burst error state - 50% bit error rate */
-
-                for(i=nstart_bit; i<nend_bit+1; i++) {
-                    r = (float)rand()/RAND_MAX;
-                    if (r < 0.5) {
-                        byte = i/8;
-                        bits[byte] ^= 1 << (7 - i + byte*8);
-                        bit_errors++;
-                    }
-                    bits_proc++;
-		}
-
-                if (burst_timer > burst_period) {
-                    burst_timer = 0.0;
-                    next_state = 0;
-                }
-                break;
-
-	    }
-
-            state = next_state;
-        }
-
-        if (fber != NULL) {
-            if (fread(&ber_est, sizeof(float), 1, fber) != 1) {
-                fprintf(stderr, "ran out of BER estimates!\n");
-                exit(1);
-            }
-            //fprintf(stderr, "ber_est: %f\n", ber_est);
-        }
-        else
-            ber_est = 0.0;
-
-	codec2_decode_ber(codec2, buf, bits, ber_est);
- 	fwrite(buf, sizeof(short), nsam, fout);
-	//if this is in a pipeline, we probably don't want the usual
-        //buffering to occur
-        if (fout == stdout) fflush(stdout);
-        if (fin == stdin) fflush(stdin);
-
-        memcpy(prev_bits, bits, nbyte);
-    }
-
-    if (error_mode)
-	fprintf(stderr, "actual BER: %1.3f\n", (float)bit_errors/bits_proc);
-
-    codec2_destroy(codec2);
-
-    free(buf);
-    free(bits);
-    fclose(fin);
-    fclose(fout);
-
-    return 0;
-}
-
-void print_help(const struct option* long_options, int num_opts, char* argv[])
-{
-	int i;
-	char *option_parameters;
-	fprintf(stderr, "\nc2dec - Codec 2 decoder and bit error simulation program\n"
-		"usage: %s 3200|2400|1400}1300|1200 InputFile OutputRawFile [OPTIONS]\n\n"
-                "Options:\n", argv[0]);
-        for(i=0; i<num_opts-1; i++) {
-		if(long_options[i].has_arg == no_argument) {
-			option_parameters="";
-		} else if (strcmp("ber", long_options[i].name) == 0) {
-			option_parameters = " BER";
-		} else if (strcmp("startbit", long_options[i].name) == 0) {
-			option_parameters = " startBit";
-		} else if (strcmp("endbit", long_options[i].name) == 0) {
-			option_parameters = " endBit";
-		} else if (strcmp("berfile", long_options[i].name) == 0) {
-			option_parameters = " berFileName";
-		} else if (strcmp("dump", long_options[i].name) == 0) {
-			option_parameters = " dumpFilePrefix";
-		} else {
-			option_parameters = " <UNDOCUMENTED parameter>";
-		}
-		fprintf(stderr, "\t--%s%s\n", long_options[i].name, option_parameters);
-	}
-	exit(1);
-}