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-rw-r--r--src/freedv_tx.c328
1 files changed, 170 insertions, 158 deletions
diff --git a/src/freedv_tx.c b/src/freedv_tx.c
index a427cfd..83d2847 100644
--- a/src/freedv_tx.c
+++ b/src/freedv_tx.c
@@ -26,182 +26,194 @@
*/
#include <assert.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
#include <errno.h>
#include <getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
-#include "reliable_text.h"
#include "freedv_api.h"
+#include "reliable_text.h"
struct my_callback_state {
- char tx_str[80];
- char *ptx_str;
- int calls;
+ char tx_str[80];
+ char *ptx_str;
+ int calls;
};
char my_get_next_tx_char(void *callback_state) {
- struct my_callback_state* pstate = (struct my_callback_state*)callback_state;
- char c = *pstate->ptx_str++;
- if (*pstate->ptx_str == 0) {
- pstate->ptx_str = pstate->tx_str;
- }
+ struct my_callback_state *pstate = (struct my_callback_state *)callback_state;
+ char c = *pstate->ptx_str++;
+ if (*pstate->ptx_str == 0) {
+ pstate->ptx_str = pstate->tx_str;
+ }
- return c;
+ return c;
}
-void on_reliable_text_rx(reliable_text_t rt, const char* txt_ptr, int length, void* state)
-{
- // empty since we don't expect to receive anything in this program.
+void on_reliable_text_rx(reliable_text_t rt, const char *txt_ptr, int length,
+ void *state) {
+ // empty since we don't expect to receive anything in this program.
}
int main(int argc, char *argv[]) {
- FILE *fin, *fout;
- struct freedv *freedv;
- int mode;
- int use_testframes, use_clip, use_txbpf, use_reliabletext;
- char *callsign = "";
- reliable_text_t reliable_text_obj;
- char f2020[80] = {0};
+ FILE *fin, *fout;
+ struct freedv *freedv;
+ int mode;
+ int use_testframes, use_clip, use_txbpf, use_reliabletext;
+ char *callsign = "";
+ reliable_text_t reliable_text_obj;
+ char f2020[80] = {0};
#ifdef __LPCNET__
- sprintf(f2020,"|2020|2020B|2020C");
+ sprintf(f2020, "|2020|2020B|2020C");
#endif
-
- if (argc < 4) {
- helpmsg:
- fprintf(stderr, "usage: %s [options] 1600|700C|700D|700E|2400A|2400B|800XA%s InputRawSpeechFile OutputModemRawFile\n"
- "\n"
- " --clip 0|1 Clipping (compression) of modem output samples for reduced PAPR\n"
- " and higher average power\n"
- " --reliabletext txt Send 'txt' using reliable text protocol\n"
- " --testframes Send testframe instead of coded speech. Number of testsframes depends on\n"
- " length of speech input file\n"
- " --txbpf 0|1 Bandpass filter\n"
- "\n", argv[0], f2020);
- fprintf(stderr, "example: $ %s 1600 hts1a.raw hts1a_fdmdv.raw\n", argv[0]);
- exit(1);
- }
- use_testframes = 0; use_clip = 0; use_txbpf = 1; use_reliabletext = 0;
-
- int o = 0;
- int opt_idx = 0;
- while( o != -1 ){
- static struct option long_opts[] = {
- {"clip", required_argument, 0, 'l'},
- {"help", no_argument, 0, 'h'},
- {"reliabletext", required_argument, 0, 'r'},
- {"testframes", no_argument, 0, 't'},
- {"txbpf", required_argument, 0, 'b'},
- {0, 0, 0, 0}
- };
-
- o = getopt_long(argc,argv,"l:dhr:tb:",long_opts,&opt_idx);
-
- switch(o) {
- case 'b':
- use_txbpf = atoi(optarg);
- break;
- case 'l':
- use_clip = atoi(optarg);
- break;
- case 'r':
- use_reliabletext = 1;
- callsign = optarg;
- break;
- case 't':
- use_testframes = 1;
- break;
- case 'h':
- case '?':
- goto helpmsg;
- break;
- }
- }
- int dx = optind;
-
- if( (argc - dx) < 3) {
- fprintf(stderr, "too few arguments.\n");
+ if (argc < 4) {
+ helpmsg:
+ fprintf(stderr,
+ "usage: %s [options] 1600|700C|700D|700E|2400A|2400B|800XA%s "
+ "InputRawSpeechFile OutputModemRawFile\n"
+ "\n"
+ " --clip 0|1 Clipping (compression) of modem output "
+ "samples for reduced PAPR\n"
+ " and higher average power\n"
+ " --reliabletext txt Send 'txt' using reliable text protocol\n"
+ " --testframes Send testframe instead of coded speech. "
+ "Number of testsframes depends on\n"
+ " length of speech input file\n"
+ " --txbpf 0|1 Bandpass filter\n"
+ "\n",
+ argv[0], f2020);
+ fprintf(stderr, "example: $ %s 1600 hts1a.raw hts1a_fdmdv.raw\n", argv[0]);
+ exit(1);
+ }
+
+ use_testframes = 0;
+ use_clip = 0;
+ use_txbpf = 1;
+ use_reliabletext = 0;
+
+ int o = 0;
+ int opt_idx = 0;
+ while (o != -1) {
+ static struct option long_opts[] = {
+ {"clip", required_argument, 0, 'l'},
+ {"help", no_argument, 0, 'h'},
+ {"reliabletext", required_argument, 0, 'r'},
+ {"testframes", no_argument, 0, 't'},
+ {"txbpf", required_argument, 0, 'b'},
+ {0, 0, 0, 0}};
+
+ o = getopt_long(argc, argv, "l:dhr:tb:", long_opts, &opt_idx);
+
+ switch (o) {
+ case 'b':
+ use_txbpf = atoi(optarg);
+ break;
+ case 'l':
+ use_clip = atoi(optarg);
+ break;
+ case 'r':
+ use_reliabletext = 1;
+ callsign = optarg;
+ break;
+ case 't':
+ use_testframes = 1;
+ break;
+ case 'h':
+ case '?':
goto helpmsg;
+ break;
}
-
- mode = -1;
- if (!strcmp(argv[dx],"1600")) mode = FREEDV_MODE_1600;
- if (!strcmp(argv[dx],"700C")) mode = FREEDV_MODE_700C;
- if (!strcmp(argv[dx],"700D")) mode = FREEDV_MODE_700D;
- if (!strcmp(argv[dx],"700E")) mode = FREEDV_MODE_700E;
- if (!strcmp(argv[dx],"2400A")) mode = FREEDV_MODE_2400A;
- if (!strcmp(argv[dx],"2400B")) mode = FREEDV_MODE_2400B;
- if (!strcmp(argv[dx],"800XA")) mode = FREEDV_MODE_800XA;
- #ifdef __LPCNET__
- if (!strcmp(argv[dx],"2020")) mode = FREEDV_MODE_2020;
- if (!strcmp(argv[dx],"2020B")) mode = FREEDV_MODE_2020B;
- if (!strcmp(argv[dx],"2020C")) mode = FREEDV_MODE_2020C;
- #endif
- if (mode == -1) {
- fprintf(stderr, "Error in mode: %s\n", argv[dx]);
- exit(1);
- }
-
- if (strcmp(argv[dx+1], "-") == 0) fin = stdin;
- else if ( (fin = fopen(argv[dx+1],"rb")) == NULL ) {
- fprintf(stderr, "Error opening input raw speech sample file: %s: %s.\n", argv[dx+1], strerror(errno));
- exit(1);
- }
-
- if (strcmp(argv[dx+2], "-") == 0) fout = stdout;
- else if ( (fout = fopen(argv[dx+2],"wb")) == NULL ) {
- fprintf(stderr, "Error opening output modem sample file: %s: %s.\n", argv[dx+2], strerror(errno));
- exit(1);
- }
-
- freedv = freedv_open(mode);
- assert(freedv != NULL);
-
- /* these are all optional ------------------ */
- freedv_set_test_frames(freedv, use_testframes);
- freedv_set_clip(freedv, use_clip);
- freedv_set_tx_bpf(freedv, use_txbpf);
- freedv_set_verbose(freedv, 1);
- freedv_set_eq(freedv, true); /* for 700C/D/E & 800XA */
-
- if (use_reliabletext) {
- reliable_text_obj = reliable_text_create();
- assert(reliable_text_obj != NULL);
- reliable_text_set_string(reliable_text_obj, callsign, strlen(callsign));
- reliable_text_use_with_freedv(reliable_text_obj, freedv, on_reliable_text_rx, NULL);
- }
- else {
- /* set up callback for txt msg chars */
- struct my_callback_state my_cb_state;
- sprintf(my_cb_state.tx_str, "cq cq cq hello world\r");
- my_cb_state.ptx_str = my_cb_state.tx_str;
- my_cb_state.calls = 0;
- freedv_set_callback_txt(freedv, NULL, &my_get_next_tx_char, &my_cb_state);
- }
-
- /* handy functions to set buffer sizes, note tx/modulator always
- returns freedv_get_n_nom_modem_samples() (unlike rx side) */
- int n_speech_samples = freedv_get_n_speech_samples(freedv);
- short speech_in[n_speech_samples];
- int n_nom_modem_samples = freedv_get_n_nom_modem_samples(freedv);
- short mod_out[n_nom_modem_samples];
-
- /* OK main loop --------------------------------------- */
-
- while(fread(speech_in, sizeof(short), n_speech_samples, fin) == n_speech_samples) {
- freedv_tx(freedv, mod_out, speech_in);
- fwrite(mod_out, sizeof(short), n_nom_modem_samples, fout);
-
- /* if using pipes we don't want the usual buffering to occur */
- if (fout == stdout) fflush(stdout);
- }
-
- freedv_close(freedv);
- if (use_reliabletext) reliable_text_destroy(reliable_text_obj);
- fclose(fin);
- fclose(fout);
-
- return 0;
+ }
+ int dx = optind;
+
+ if ((argc - dx) < 3) {
+ fprintf(stderr, "too few arguments.\n");
+ goto helpmsg;
+ }
+
+ mode = -1;
+ if (!strcmp(argv[dx], "1600")) mode = FREEDV_MODE_1600;
+ if (!strcmp(argv[dx], "700C")) mode = FREEDV_MODE_700C;
+ if (!strcmp(argv[dx], "700D")) mode = FREEDV_MODE_700D;
+ if (!strcmp(argv[dx], "700E")) mode = FREEDV_MODE_700E;
+ if (!strcmp(argv[dx], "2400A")) mode = FREEDV_MODE_2400A;
+ if (!strcmp(argv[dx], "2400B")) mode = FREEDV_MODE_2400B;
+ if (!strcmp(argv[dx], "800XA")) mode = FREEDV_MODE_800XA;
+#ifdef __LPCNET__
+ if (!strcmp(argv[dx], "2020")) mode = FREEDV_MODE_2020;
+ if (!strcmp(argv[dx], "2020B")) mode = FREEDV_MODE_2020B;
+ if (!strcmp(argv[dx], "2020C")) mode = FREEDV_MODE_2020C;
+#endif
+ if (mode == -1) {
+ fprintf(stderr, "Error in mode: %s\n", argv[dx]);
+ exit(1);
+ }
+
+ if (strcmp(argv[dx + 1], "-") == 0)
+ fin = stdin;
+ else if ((fin = fopen(argv[dx + 1], "rb")) == NULL) {
+ fprintf(stderr, "Error opening input raw speech sample file: %s: %s.\n",
+ argv[dx + 1], strerror(errno));
+ exit(1);
+ }
+
+ if (strcmp(argv[dx + 2], "-") == 0)
+ fout = stdout;
+ else if ((fout = fopen(argv[dx + 2], "wb")) == NULL) {
+ fprintf(stderr, "Error opening output modem sample file: %s: %s.\n",
+ argv[dx + 2], strerror(errno));
+ exit(1);
+ }
+
+ freedv = freedv_open(mode);
+ assert(freedv != NULL);
+
+ /* these are all optional ------------------ */
+ freedv_set_test_frames(freedv, use_testframes);
+ freedv_set_clip(freedv, use_clip);
+ freedv_set_tx_bpf(freedv, use_txbpf);
+ freedv_set_verbose(freedv, 1);
+ freedv_set_eq(freedv, true); /* for 700C/D/E & 800XA */
+
+ if (use_reliabletext) {
+ reliable_text_obj = reliable_text_create();
+ assert(reliable_text_obj != NULL);
+ reliable_text_set_string(reliable_text_obj, callsign, strlen(callsign));
+ reliable_text_use_with_freedv(reliable_text_obj, freedv,
+ on_reliable_text_rx, NULL);
+ } else {
+ /* set up callback for txt msg chars */
+ struct my_callback_state my_cb_state;
+ sprintf(my_cb_state.tx_str, "cq cq cq hello world\r");
+ my_cb_state.ptx_str = my_cb_state.tx_str;
+ my_cb_state.calls = 0;
+ freedv_set_callback_txt(freedv, NULL, &my_get_next_tx_char, &my_cb_state);
+ }
+
+ /* handy functions to set buffer sizes, note tx/modulator always
+ returns freedv_get_n_nom_modem_samples() (unlike rx side) */
+ int n_speech_samples = freedv_get_n_speech_samples(freedv);
+ short speech_in[n_speech_samples];
+ int n_nom_modem_samples = freedv_get_n_nom_modem_samples(freedv);
+ short mod_out[n_nom_modem_samples];
+
+ /* OK main loop --------------------------------------- */
+
+ while (fread(speech_in, sizeof(short), n_speech_samples, fin) ==
+ n_speech_samples) {
+ freedv_tx(freedv, mod_out, speech_in);
+ fwrite(mod_out, sizeof(short), n_nom_modem_samples, fout);
+
+ /* if using pipes we don't want the usual buffering to occur */
+ if (fout == stdout) fflush(stdout);
+ }
+
+ freedv_close(freedv);
+ if (use_reliabletext) reliable_text_destroy(reliable_text_obj);
+ fclose(fin);
+ fclose(fout);
+
+ return 0;
}
generated by cgit v1.2.3 (git 2.46.0) at 2026-01-26 21:57:47 +0000