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Add Float Symbol Input File Support (.raw or .sym);

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lwvmobile
2025-03-02 23:44:19 -05:00
parent 31bfd6a235
commit f732ad9639
3 changed files with 43 additions and 14 deletions
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32
src/dsd_audio.c
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@@ -901,7 +901,7 @@ openAudioInDevice (dsd_opts * opts)
}
//test .rrc files with hardset wav file settings
else if (strncmp(extension, ".rrc", 3) == 0)
else if (strncmp(extension, ".rrc", 4) == 0)
{
//debug
fprintf (stderr, "Opening M17 .rrc headless wav file\n");
@@ -921,19 +921,19 @@ openAudioInDevice (dsd_opts * opts)
}
}
//TODO: test .sym files as symbol capture .bin files
else if (strncmp(extension, ".sym", 3) == 0)
//Open .raw files as a float input type
else if (strncmp(extension, ".raw", 4) == 0)
{
struct stat stat_buf;
if (stat(opts->audio_in_dev, &stat_buf) != 0)
{
fprintf (stderr,"Error, couldn't open bin file %s\n", opts->audio_in_dev);
fprintf (stderr,"Error, couldn't open raw (float) file %s\n", opts->audio_in_dev);
exit(1);
}
if (S_ISREG(stat_buf.st_mode))
{
opts->symbolfile = fopen(opts->audio_in_dev, "r");
opts->audio_in_type = 4; //symbol capture bin files
opts->audio_in_type = 44; //float symbol input
}
else
{
@@ -941,7 +941,27 @@ openAudioInDevice (dsd_opts * opts)
}
}
else if (strncmp(extension, ".bin", 3) == 0)
//Open .raw files as a float input type
else if (strncmp(extension, ".sym", 4) == 0)
{
struct stat stat_buf;
if (stat(opts->audio_in_dev, &stat_buf) != 0)
{
fprintf (stderr,"Error, couldn't open sym (float) file %s\n", opts->audio_in_dev);
exit(1);
}
if (S_ISREG(stat_buf.st_mode))
{
opts->symbolfile = fopen(opts->audio_in_dev, "r");
opts->audio_in_type = 44; //float symbol input
}
else
{
opts->audio_in_type = 0;
}
}
else if (strncmp(extension, ".bin", 4) == 0)
{
struct stat stat_buf;
if (stat(opts->audio_in_dev, &stat_buf) != 0)

7
src/dsd_ncurses.c
View File

@@ -2474,7 +2474,12 @@ ncursesPrinter (dsd_opts * opts, dsd_state * state)
if (opts->audio_in_type == 4)
{
printw ("| Symbol Bin Input: %s \n", opts->audio_in_dev);
printw ("| Dibit Bin Input: %s \n", opts->audio_in_dev);
}
if (opts->audio_in_type == 44)
{
printw ("| Symbol Float Input: %s \n", opts->audio_in_dev);
}
if (opts->m17decoderip == 1 && opts->udp_sockfd)

18
src/dsd_symbol.c
View File

@@ -627,13 +627,7 @@ getSymbol (dsd_opts * opts, dsd_state * state, int have_sync)
}
#endif
//test throttle on wav input files
if (opts->audio_in_type == 2)
{
if (state->use_throttle == 1) usleep(.003); //very environment specific, tuning to cygwin
}
//read op25/fme symbol bin files
//read dibit capture bin files
if (opts->audio_in_type == 4)
{
//use fopen and read in a symbol, check op25 for clues
@@ -713,6 +707,16 @@ getSymbol (dsd_opts * opts, dsd_state * state, int have_sync)
}
//.raw or .sym float symbol files
if (opts->audio_in_type == 44)
{
float float_symbol = 0.0f;
fread (&float_symbol, sizeof(float), 1, opts->symbolfile); //sizeof(float) is 4 (usually)
if ( feof(opts->symbolfile) ) exitflag = 1; //end of file, exit
// float_symbol = -float_symbol; //inversion
symbol = (int)float_symbol * (int)10000;
}
state->symbolcnt++;
return (symbol);
}