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-rw-r--r--src/c2dec.c721
1 files changed, 356 insertions, 365 deletions
diff --git a/src/c2dec.c b/src/c2dec.c
index 176d516..b852078 100644
--- a/src/c2dec.c
+++ b/src/c2dec.c
@@ -25,405 +25,396 @@
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
-#include "codec2.h"
-#include "dump.h"
-#include "c2file.h"
-
#include <assert.h>
+#include <errno.h>
+#include <getopt.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=0;
- void *codec2;
- FILE *fin;
- FILE *fout;
- FILE *fber = NULL;
- short *buf;
- unsigned char *bits;
- float *softdec_bits;
- char *bitperchar_bits;
- int nsam, nbit, nbyte, i, byte, 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, softdec, bit, ret, bitperchar;
+#include "c2file.h"
+#include "codec2.h"
+#include "dump.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 = 0;
+ void *codec2;
+ FILE *fin;
+ FILE *fout;
+ FILE *fber = NULL;
+ short *buf;
+ unsigned char *bits;
+ float *softdec_bits;
+ char *bitperchar_bits;
+ int nsam, nbit, nbyte, i, byte, 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, softdec, bit, ret, bitperchar;
#ifdef DUMP
- int dump;
+ int dump;
#endif
- int report_energy;
- FILE *f_ratek = NULL;
- float *user_ratek;
- int K;
-
- 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 },
- { "softdec", no_argument, &softdec, 1 },
- { "bitperchar", no_argument, &bitperchar, 1 },
- #ifdef DUMP
- { "dump", required_argument, &dump, 1 },
- #endif
- { "energy", no_argument, NULL, 0 },
- { "mlfeat", required_argument, NULL, 0 },
- { "loadcb", required_argument, NULL, 0 },
- { "loadratek", required_argument, NULL, 0 },
- { "nopf", no_argument, NULL, 0 },
- { "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[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);
+ int report_energy;
+ FILE *f_ratek = NULL;
+ float *user_ratek;
+ int K;
+
+ 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},
+ {"softdec", no_argument, &softdec, 1},
+ {"bitperchar", no_argument, &bitperchar, 1},
+#ifdef DUMP
+ {"dump", required_argument, &dump, 1},
+#endif
+ {"energy", no_argument, NULL, 0},
+ {"mlfeat", required_argument, NULL, 0},
+ {"loadcb", required_argument, NULL, 0},
+ {"loadratek", required_argument, NULL, 0},
+ {"nopf", no_argument, NULL, 0},
+ {"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[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);
+ }
+
+ // Attempt to detect a .c2 file with a header
+ struct c2_header in_hdr;
+ char *ext = strrchr(argv[2], '.');
+ if ((ext != NULL) && (strcmp(ext, ".c2") == 0)) {
+ int nread = fread(&in_hdr, sizeof(in_hdr), 1, fin);
+ assert(nread == 1);
+
+ if (memcmp(in_hdr.magic, c2_file_magic, sizeof(c2_file_magic)) == 0) {
+ fprintf(stderr, "Detected Codec2 file version %d.%d in mode %d\n",
+ in_hdr.version_major, in_hdr.version_minor, in_hdr.mode);
+
+ mode = in_hdr.mode;
+ } else {
+ fprintf(stderr, "Codec2 file specified but no header detected\n");
+ // Rewind the input file so we can try to decode
+ // based on command line mode selection
+ fseek(fin, 0, SEEK_SET);
+ } /* end if - magic detection */
+ } else {
+ // If we got here, we need to honor the command line mode
+ 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 if (strcmp(argv[1], "700C") == 0)
+ mode = CODEC2_MODE_700C;
+ else {
+ fprintf(stderr,
+ "Error in mode: %s. Must be 3200, 2400, 1600, 1400, 1300, 1200, "
+ "700C\n",
+ argv[1]);
+ exit(1);
}
+ bit_rate = atoi(argv[1]);
+ }; /* end if - extension / header detection */
+
+ error_mode = NONE;
+ ber = 0.0;
+ burst_length = burst_period = 0.0;
+ burst_timer = 0.0;
+ natural = softdec = bitperchar = 0;
+ report_energy = 0;
+#ifdef DUMP
+ dump = 0;
+#endif
- 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);
- }
+ codec2 = codec2_create(mode);
+ assert(codec2 != NULL);
+ 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));
+ softdec_bits = (float *)malloc(nbit * sizeof(float));
+ bitperchar_bits = (char *)malloc(nbit * sizeof(char));
+ 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);
+ }
- // Attempt to detect a .c2 file with a header
- struct c2_header in_hdr;
- char *ext = strrchr(argv[2], '.');
- if ((ext != NULL) && (strcmp(ext, ".c2") == 0)) {
- int nread = fread(&in_hdr,sizeof(in_hdr),1,fin);
- assert (nread == 1);
-
- if (memcmp(in_hdr.magic, c2_file_magic, sizeof(c2_file_magic)) == 0) {
- fprintf(stderr, "Detected Codec2 file version %d.%d in mode %d\n",
- in_hdr.version_major,
- in_hdr.version_minor,
- in_hdr.mode);
-
- mode = in_hdr.mode;
- } else {
- fprintf(stderr, "Codec2 file specified but no header detected\n");
- // Rewind the input file so we can try to decode
- // based on command line mode selection
- fseek(fin,0,SEEK_SET);
- } /* end if - magic detection */
- } else {
- // If we got here, we need to honor the command line mode
- 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 if (strcmp(argv[1],"700C") == 0)
- mode = CODEC2_MODE_700C;
- else if (strcmp(argv[1],"450") == 0)
- mode = CODEC2_MODE_450;
- else if (strcmp(argv[1],"450PWB") == 0)
- mode = CODEC2_MODE_450PWB;
- else {
- fprintf(stderr, "Error in mode: %s. Must be 3200, 2400, 1600, 1400, 1300, 1200, 700C, 450, or 450PWB\n", argv[1]);
- exit(1);
}
- bit_rate = atoi(argv[1]);
- }; /* end if - extension / header detection */
-
- error_mode = NONE;
- ber = 0.0;
- burst_length = burst_period = 0.0;
- burst_timer = 0.0;
- natural = softdec = bitperchar = 0;
- report_energy = 0;
#ifdef DUMP
- dump = 0;
+ else if (strcmp(long_options[option_index].name, "dump") == 0) {
+ if (dump) dump_on(optarg);
+ }
#endif
+ else if (strcmp(long_options[option_index].name, "energy") == 0) {
+ report_energy = 1;
+ } else if (strcmp(long_options[option_index].name, "loadcb") == 0) {
+ /* load VQ stage (700C only) */
+ // fprintf(stderr, "%s\n", optarg+1);
+ codec2_load_codebook(codec2, atoi(optarg) - 1, argv[optind]);
+ } else if (strcmp(long_options[option_index].name, "loadratek") == 0) {
+ /* load rate K vectors (by passing quantisation) for 700C VQ tests */
+ fprintf(stderr, "%s\n", optarg);
+ f_ratek = fopen(optarg, "rb");
+ assert(f_ratek != NULL);
+ user_ratek = codec2_enable_user_ratek(codec2, &K);
+ } else if (strcmp(long_options[option_index].name, "nopf") == 0) {
+ codec2_700c_post_filter(codec2, 0);
+ } else if (strcmp(long_options[option_index].name, "mlfeat") == 0) {
+ /* dump machine learning features (700C only) */
+ codec2_open_mlfeat(codec2, optarg, NULL);
+ }
+ break;
- codec2 = codec2_create(mode);
- assert(codec2 != NULL);
- 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));
- softdec_bits = (float*)malloc(nbit*sizeof(float));
- bitperchar_bits = (char*)malloc(nbit*sizeof(char));
- 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);
- }
+ case 'h':
+ print_help(long_options, num_opts, argv);
+ break;
- }
- #ifdef DUMP
- else if(strcmp(long_options[option_index].name, "dump") == 0) {
- if (dump)
- dump_on(optarg);
- }
- #endif
- else if (strcmp(long_options[option_index].name, "energy") == 0) {
- report_energy = 1;
- }
- else if (strcmp(long_options[option_index].name, "loadcb") == 0) {
- /* load VQ stage (700C only) */
- //fprintf(stderr, "%s\n", optarg+1);
- codec2_load_codebook(codec2, atoi(optarg)-1, argv[optind]);
- }
- else if (strcmp(long_options[option_index].name, "loadratek") == 0) {
- /* load rate K vectors (by passing quantisation) for 700C VQ tests */
- fprintf(stderr, "%s\n", optarg);
- f_ratek = fopen(optarg, "rb");
- assert(f_ratek != NULL);
- user_ratek = codec2_enable_user_ratek(codec2, &K);
- }
- else if (strcmp(long_options[option_index].name, "nopf") == 0) {
- codec2_700c_post_filter(codec2, 0);
- }
- else if (strcmp(long_options[option_index].name, "mlfeat") == 0) {
- /* dump machine learning features (700C only) */
- codec2_open_mlfeat(codec2, optarg, NULL);
- }
- break;
-
- case 'h':
- print_help(long_options, num_opts, argv);
- break;
-
- default:
- /* This will never be reached */
- 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);
+
+ // fprintf(stderr, "softdec: %d natural: %d\n", softdec, natural);
+ if (softdec) {
+ ret = (fread(softdec_bits, sizeof(float), nbit, fin) == (size_t)nbit);
+ }
+ if (bitperchar) {
+ ret = (fread(bitperchar_bits, sizeof(char), nbit, fin) == (size_t)nbit);
+ }
+ if (!softdec && !bitperchar) {
+ ret = (fread(bits, sizeof(char), nbyte, fin) == (size_t)nbyte);
+ }
+
+ while (ret) {
+ // apply bit errors, MSB of byte 0 is bit 0 in frame, only works in packed
+ // mode
+
+ if ((error_mode == UNIFORM) || (error_mode == UNIFORM_RANGE)) {
+ assert(softdec == 0);
+ 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++;
+ }
}
- assert(nend_bit <= nbit);
- codec2_set_natural_or_gray(codec2, !natural);
- //printf("%d %d\n", nstart_bit, nend_bit);
- //fprintf(stderr, "softdec: %d natural: %d\n", softdec, natural);
- if (softdec) {
- ret = (fread(softdec_bits, sizeof(float), nbit, fin) == (size_t)nbit);
- }
- if (bitperchar) {
- ret = (fread(bitperchar_bits, sizeof(char), nbit, fin) == (size_t)nbit);
- }
- if (!softdec && !bitperchar) {
- ret = (fread(bits, sizeof(char), nbyte, fin) == (size_t)nbyte);
- }
+ if (error_mode == TWO_STATE) {
+ assert(softdec == 0);
+ burst_timer += (float)nbit / bit_rate;
+ fprintf(stderr, "burst_timer: %f state: %d\n", burst_timer, state);
- while(ret) {
- // apply bit errors, MSB of byte 0 is bit 0 in frame, only works in packed mode
-
- if ((error_mode == UNIFORM) || (error_mode == UNIFORM_RANGE)) {
- assert(softdec == 0);
- 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) {
- assert(softdec == 0);
- 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;
- }
+ next_state = state;
+ switch (state) {
+ case 0:
- 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;
-
- if (softdec) {
- /* pack bits, MSB received first */
-
- bit = 7; byte = 0;
- memset(bits, 0, nbyte);
- for(i=0; i<nbit; i++) {
- bits[byte] |= ((softdec_bits[i] < 0.0) << bit);
- bit--;
- if (bit < 0) {
- bit = 7;
- byte++;
- }
- }
- codec2_set_softdec(codec2, softdec_bits);
- }
+ /* clear channel state - no bit errors */
- if (bitperchar) {
- /* pack bits, MSB received first */
-
- bit = 7; byte = 0;
- memset(bits, 0, nbyte);
- for(i=0; i<nbit; i++) {
- bits[byte] |= bitperchar_bits[i] << bit;
- bit--;
- if (bit < 0) {
- bit = 7;
- byte++;
- }
- }
- }
+ if (burst_timer > (burst_period - burst_length)) next_state = 1;
+ break;
- if (report_energy)
- fprintf(stderr, "Energy: %1.3f\n", codec2_get_energy(codec2, bits));
+ case 1:
- if (f_ratek != NULL)
- ret = fread(user_ratek, sizeof(float), K, f_ratek);
-
- codec2_decode_ber(codec2, buf, bits, ber_est);
- fwrite(buf, sizeof(short), nsam, fout);
+ /* burst error state - 50% bit error rate */
- //if this is in a pipeline, we probably don't want the usual
- //buffering to occur
+ 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 (fout == stdout) fflush(stdout);
+ if (burst_timer > burst_period) {
+ burst_timer = 0.0;
+ next_state = 0;
+ }
+ break;
+ }
- if (softdec) {
- ret = (fread(softdec_bits, sizeof(float), nbit, fin) == (size_t)nbit);
- }
- if (bitperchar) {
- ret = (fread(bitperchar_bits, sizeof(char), nbit, fin) == (size_t)nbit);
+ 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;
+
+ if (softdec) {
+ /* pack bits, MSB received first */
+
+ bit = 7;
+ byte = 0;
+ memset(bits, 0, nbyte);
+ for (i = 0; i < nbit; i++) {
+ bits[byte] |= ((softdec_bits[i] < 0.0) << bit);
+ bit--;
+ if (bit < 0) {
+ bit = 7;
+ byte++;
}
- if (!softdec && !bitperchar) {
- ret = (fread(bits, sizeof(char), nbyte, fin) == (size_t)nbyte);
+ }
+ codec2_set_softdec(codec2, softdec_bits);
+ }
+
+ if (bitperchar) {
+ /* pack bits, MSB received first */
+
+ bit = 7;
+ byte = 0;
+ memset(bits, 0, nbyte);
+ for (i = 0; i < nbit; i++) {
+ bits[byte] |= bitperchar_bits[i] << bit;
+ bit--;
+ if (bit < 0) {
+ bit = 7;
+ byte++;
}
+ }
}
- if (error_mode)
- fprintf(stderr, "actual BER: %1.3f\n", (float)bit_errors/bits_proc);
+ if (report_energy)
+ fprintf(stderr, "Energy: %1.3f\n", codec2_get_energy(codec2, bits));
- codec2_destroy(codec2);
+ if (f_ratek != NULL) ret = fread(user_ratek, sizeof(float), K, f_ratek);
- free(buf);
- free(bits);
- free(softdec_bits);
- free(bitperchar_bits);
- fclose(fin);
- fclose(fout);
- if (fber != NULL) {
- fclose(fber);
+ 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 (softdec) {
+ ret = (fread(softdec_bits, sizeof(float), nbit, fin) == (size_t)nbit);
}
+ if (bitperchar) {
+ ret = (fread(bitperchar_bits, sizeof(char), nbit, fin) == (size_t)nbit);
+ }
+ if (!softdec && !bitperchar) {
+ ret = (fread(bits, sizeof(char), nbyte, fin) == (size_t)nbyte);
+ }
+ }
+
+ if (error_mode)
+ fprintf(stderr, "actual BER: %1.3f\n", (float)bit_errors / bits_proc);
- return 0;
+ codec2_destroy(codec2);
+
+ free(buf);
+ free(bits);
+ free(softdec_bits);
+ free(bitperchar_bits);
+ fclose(fin);
+ fclose(fout);
+ if (fber != NULL) {
+ fclose(fber);
+ }
+
+ 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|1600|1400|1300|1200|700C|450|450PWB 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 if (strcmp("lspEWov", long_options[i].name) == 0) {
- option_parameters = " featureFileName";
- } else {
- option_parameters = " <UNDOCUMENTED parameter>";
- }
- fprintf(stderr, "\t--%s%s\n", long_options[i].name, option_parameters);
- }
- exit(1);
+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|1600|1400|1300|1200|700C 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 if (strcmp("lspEWov", long_options[i].name) == 0) {
+ option_parameters = " featureFileName";
+ } else {
+ option_parameters = " <UNDOCUMENTED parameter>";
+ }
+ fprintf(stderr, "\t--%s%s\n", long_options[i].name, option_parameters);
+ }
+ exit(1);
}
generated by cgit v1.2.3 (git 2.46.0) at 2026-01-26 23:07:20 +0000