diff --git a/src/dsd_file.c b/src/dsd_file.c index bf470b8..9d2f9ea 100644 --- a/src/dsd_file.c +++ b/src/dsd_file.c @@ -534,7 +534,7 @@ void openWavOutFileRaw (dsd_opts * opts, dsd_state * state) info.samplerate = 48000; //8000 info.channels = 1; info.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16 | SF_ENDIAN_LITTLE; - opts->wav_out_raw = sf_open (opts->wav_out_file_raw, SFM_RDWR, &info); + opts->wav_out_raw = sf_open (opts->wav_out_file_raw, SFM_WRITE, &info); if (opts->wav_out_raw == NULL) { fprintf (stderr,"Error - could not open raw wav output file %s\n", opts->wav_out_file_raw); diff --git a/src/dsd_main.c b/src/dsd_main.c index 1029152..b45379a 100644 --- a/src/dsd_main.c +++ b/src/dsd_main.c @@ -1136,6 +1136,7 @@ usage () printf (" -r Read/Play saved mbe data from file(s)\n"); printf (" -g Audio output gain (default = 0 = auto, disable = -1)\n"); printf (" -w Output synthesized speech to a .wav file, legacy auto modes only.\n"); + printf (" -6 Output raw audio .wav file (48K/1). (WARNING! Large File Sizes 1 Hour ~= 360 MB)\n"); printf (" -8 Enable Experimental Source Audio Monitor (OSS at 48k1 and Pulse Audio)\n"); printf (" (Its recommended to use Squelch in SDR++ or GQRX, etc, if monitoring mixed analog/digital)\n"); printf (" -P Enable Per Call WAV file saving in XDMA and NXDN decoding classes\n"); @@ -1839,6 +1840,13 @@ main (int argc, char **argv) openWavOutFile (&opts, &state); break; + case '6': + strncpy(opts.wav_out_file_raw, optarg, 1023); + opts.wav_out_file_raw[1023] = '\0'; + fprintf (stderr,"Writing raw audio to file %s\n", opts.wav_out_file_raw); + openWavOutFileRaw (&opts, &state); + break; + case 'f': if (optarg[0] == 'a') { diff --git a/src/dsd_ncurses.c b/src/dsd_ncurses.c index c01a411..26ccfab 100644 --- a/src/dsd_ncurses.c +++ b/src/dsd_ncurses.c @@ -2345,9 +2345,9 @@ ncursesPrinter (dsd_opts * opts, dsd_state * state) { printw ("| Writing MBE data files to directory %s\n", opts->mbe_out_dir); } - if (opts->wav_out_file_raw[0] != 0 && opts->audio_in_type == 0) + if (opts->wav_out_raw) { - printw ("| Appending Raw Sig Audio WAV to file %s\n", opts->wav_out_file_raw); + printw ("| Raw Audio Output: %s\n", opts->wav_out_file_raw); } if (opts->symbol_out_file[0] != 0 && opts->symbol_out == 1) { diff --git a/src/dsd_symbol.c b/src/dsd_symbol.c index 2afc928..13191e8 100644 --- a/src/dsd_symbol.c +++ b/src/dsd_symbol.c @@ -265,7 +265,7 @@ getSymbol (dsd_opts * opts, dsd_state * state, int have_sync) } //Source Audio Monitoring - if (have_sync == 0 && opts->monitor_input_audio == 1) + if (have_sync == 0) { //sanity check to prevent an overflow if (state->analog_sample_counter > 959) @@ -276,18 +276,18 @@ getSymbol (dsd_opts * opts, dsd_state * state, int have_sync) if (state->analog_sample_counter == 960) { //get an rms value if not using the rtl built in version - if (opts->audio_in_type != 3) + if (opts->audio_in_type != 3 && opts->monitor_input_audio == 1) opts->rtl_rms = raw_rms(state->analog_out, 960, 1); //debug // opts->rtl_rms = 101; //make it a little quieter - for (int x = 0; x < 960; x++) - state->analog_out[x] /= 4; + // for (int x = 0; x < 960; x++) + // state->analog_out[x] /= 4; //seems to be working now, but RMS values are lower on actual analog signal than on no signal but noise - if ( opts->rtl_rms > opts->rtl_squelch_level ) + if ( (opts->rtl_rms > opts->rtl_squelch_level) && (opts->monitor_input_audio == 1) ) { if (opts->audio_out_type == 0) pa_simple_write(opts->pulse_raw_dev_out, state->analog_out, 960*2, NULL); @@ -301,17 +301,41 @@ getSymbol (dsd_opts * opts, dsd_state * state, int have_sync) state->last_vc_sync_time = time(NULL); } + //raw wav file saving -- only write when not NXDN, dPMR, or M17 due to noise that can cause tons of false positives when no sync + if (opts->wav_out_raw != NULL && opts->frame_nxdn48 == 0 && opts->frame_nxdn96 == 0 && opts->frame_dpmr == 0 && opts->frame_m17 == 0) + { + sf_write_short(opts->wav_out_raw, state->analog_out, 960); + sf_write_sync (opts->wav_out_raw); + } + memset (state->analog_out, 0, sizeof(state->analog_out)); state->analog_sample_counter = 0; } } - if (have_sync == 1 && opts->monitor_input_audio == 1) + if (have_sync == 1) { - //zero out and reset counter - memset (state->analog_out, 0, sizeof(state->analog_out)); - state->analog_sample_counter = 0; + //sanity check to prevent an overflow + if (state->analog_sample_counter > 959) + state->analog_sample_counter = 959; + + state->analog_out[state->analog_sample_counter++] = sample; + + if (state->analog_sample_counter == 960) + { + //raw wav file saving -- file size on this blimps pretty fast 1 min ~= 6 MB; 1 hour ~= 360 MB; + if (opts->wav_out_raw != NULL) + { + sf_write_short(opts->wav_out_raw, state->analog_out, 960); + sf_write_sync (opts->wav_out_raw); + } + + //zero out and reset counter + memset (state->analog_out, 0, sizeof(state->analog_out)); + state->analog_sample_counter = 0; + } + } if (opts->use_cosine_filter)