Add config entry for FIFO bitness

cava.c

@@ -414,6 +414,7 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
             // starting fifomusic listener
             thr_id = pthread_create(&p_thread, NULL, input_fifo, (void *)&audio);
             audio.rate = p.fifoSample;
+            audio.format = p.fifoSampleBits;
             break;
 #ifdef PULSE
         case INPUT_PULSE:

config.c

@@ -483,6 +483,7 @@ bool load_config(char configPath[255], struct config_params *p, bool colorsOnly,
     case INPUT_FIFO:
         p->audio_source = strdup(iniparser_getstring(ini, "input:source", "/tmp/mpd.fifo"));
         p->fifoSample = iniparser_getint(ini, "input:sample_rate", 44100);
+        p->fifoSampleBits = iniparser_getint(ini, "input:sample_bits", 16);
         break;
 #ifdef PULSE
     case INPUT_PULSE:

config.h

@@ -58,7 +58,7 @@ struct config_params {
     enum input_method im;
     int smcount, customEQ, om, col, bgcol, autobars, stereo, is_bin, ascii_range, bit_format,
         gradient, gradient_count, fixedbars, framerate, bw, bs, autosens, overshoot, waves,
-        FFTbufferSize, fifoSample;
+        FFTbufferSize, fifoSample, fifoSampleBits;
 };
 
 struct error_s {