fosphor command-line app to read complex i16 samples from stdin

fosphor_cmdline_client_ci16.diff

diff --git a/lib/fosphor/Makefile b/lib/fosphor/Makefile
index a8fb3bb..07af0e6 100644
--- a/lib/fosphor/Makefile
+++ b/lib/fosphor/Makefile
@@ -1,6 +1,6 @@
 UNAME=$(shell uname)
 CC=gcc
-CFLAGS=-Wall -Werror -O2 `pkg-config freetype2 glfw3 --cflags` -g
+CFLAGS=-Wall -O2 `pkg-config freetype2 glfw3 --cflags` -g
 LDLIBS=`pkg-config freetype2 glfw3 --libs` -lm
 ifneq ($(AMDAPPSDKROOT), )
 CFLAGS+=-I$(AMDAPPSDKROOT)/include
diff --git a/lib/fosphor/main.c b/lib/fosphor/main.c
index efb5413..db43bbf 100644
--- a/lib/fosphor/main.c
+++ b/lib/fosphor/main.c
@@ -26,6 +26,7 @@ struct app_state
 	struct fosphor_render render_zoom;
 
 	FILE *src_fh;
+	void *raw_buf;
 	void *src_buf;
 
 	int w, h;
@@ -162,13 +163,13 @@ glfw_render(GLFWwindow *wnd)
 
 	/* Process some samples */
 	for (c=0; c<BATCH_COUNT; c++) {
-		r = sizeof(float) * 2 * FOSPHOR_FFT_LEN * BATCH_LEN;
+		r = sizeof(uint16_t) * 2 * FOSPHOR_FFT_LEN * BATCH_LEN;
 		o = 0;
 
 		while (r) {
 			int rc;
 
-			rc = fread((char*)g_as->src_buf + o, 1, r, g_as->src_fh);
+			rc = fread((char*)g_as->raw_buf + o, 1, r, g_as->src_fh);
 			if (rc <= 0) {
 				if (fseek(g_as->src_fh, 0, SEEK_SET))
 					abort();
@@ -178,6 +179,9 @@ glfw_render(GLFWwindow *wnd)
 			r -= rc;
 			o += rc;
 		}
+		for (int i = 0; i < 2 * FOSPHOR_FFT_LEN * BATCH_LEN; ++i) {
+                    ((float *)g_as->src_buf)[i] = (float)((int16_t *)g_as->raw_buf)[i] * (1.0/INT16_MAX);
+                }
 
 		fosphor_process(g_as->fosphor, g_as->src_buf, FOSPHOR_FFT_LEN * BATCH_LEN);
 	}
@@ -396,7 +400,13 @@ int main(int argc, char *argv[])
 		return -EINVAL;;
 	}
 
-	g_as->src_buf = malloc(2 * sizeof(float) * FOSPHOR_FFT_LEN * FOSPHOR_FFT_MAX_BATCH);
+	g_as->raw_buf = malloc(2 * sizeof(uint16_t) * FOSPHOR_FFT_LEN * FOSPHOR_FFT_MAX_BATCH);
+	if (!g_as->raw_buf) {
+		rv = -ENOMEM;
+		goto error;
+	}
+
+        g_as->src_buf = malloc(2 * sizeof(float) * FOSPHOR_FFT_LEN * FOSPHOR_FFT_MAX_BATCH);
 	if (!g_as->src_buf) {
 		rv = -ENOMEM;
 		goto error;
@@ -453,6 +463,7 @@ error:
 		glfw_cleanup(wnd);
 
 	free(g_as->src_buf);
+	free(g_as->raw_buf);
 	fclose(g_as->src_fh);
 
 	return rv;