diff --git a/libobs/media-io/video-fourcc.c b/libobs/media-io/video-fourcc.c
index 30460df41..a1c0e42f3 100644
--- a/libobs/media-io/video-fourcc.c
+++ b/libobs/media-io/video-fourcc.c
@@ -18,28 +18,31 @@
 #include "../util/c99defs.h"
 #include "video-io.h"
 
+#define MAKE_FOURCC(a, b, c, d) \
+	((uint32_t)(((d) << 24) | ((c) << 16) | ((b) << 8) | (a)))
+
 enum video_format video_format_from_fourcc(uint32_t fourcc)
 {
 	switch (fourcc) {
-		case 'UYVY':
-		case 'HDYC':
-		case 'UYNV':
-		case 'UYNY':
-		case 'uyv1':
-		case '2vuy':
-		case '2Vuy':
+		case MAKE_FOURCC('U','Y','V','Y'):
+		case MAKE_FOURCC('H','D','Y','C'):
+		case MAKE_FOURCC('U','Y','N','V'):
+		case MAKE_FOURCC('U','Y','N','Y'):
+		case MAKE_FOURCC('u','y','v','1'):
+		case MAKE_FOURCC('2','v','u','y'):
+		case MAKE_FOURCC('2','V','u','y'):
 			return VIDEO_FORMAT_UYVY;
 
-		case 'YUY2':
-		case 'Y422':
-		case 'V422':
-		case 'VYUY':
-		case 'YUNV':
-		case 'yuv2':
-		case 'yuvs':
+		case MAKE_FOURCC('Y','U','Y','2'):
+		case MAKE_FOURCC('Y','4','2','2'):
+		case MAKE_FOURCC('V','4','2','2'):
+		case MAKE_FOURCC('V','Y','U','Y'):
+		case MAKE_FOURCC('Y','U','N','V'):
+		case MAKE_FOURCC('y','u','v','2'):
+		case MAKE_FOURCC('y','u','v','s'):
 			return VIDEO_FORMAT_YUY2;
 
-		case 'YVYU':
+		case MAKE_FOURCC('Y','V','Y','U'):
 			return VIDEO_FORMAT_YVYU;
 		
 	}
diff --git a/libobs/media-io/video-matrices.c b/libobs/media-io/video-matrices.c
index 648be243e..5bef1aecf 100644
--- a/libobs/media-io/video-matrices.c
+++ b/libobs/media-io/video-matrices.c
@@ -24,7 +24,7 @@
 #include "../graphics/matrix3.h"
 #endif
 
-struct {
+static struct {
 	enum video_colorspace const color_space;
 	float const Kb, Kr;
 	int const range_min[3];
@@ -35,7 +35,7 @@ struct {
 	float float_range_max[3];
 	float matrix[2][16];
 
-} static format_info[] = {
+} format_info[] = {
 	{VIDEO_CS_601,
 		0.114f, 0.299f, {16, 16, 16}, {235, 240, 240},
 		{{16, 128, 128}, {0, 128, 128}},
diff --git a/libobs/obs-data.c b/libobs/obs-data.c
index b00ad885f..eec14d8eb 100644
--- a/libobs/obs-data.c
+++ b/libobs/obs-data.c
@@ -865,7 +865,7 @@ void obs_data_item_setint(obs_data_item_t *item, long long val)
 	struct obs_data_number num;
 	num.type    = OBS_DATA_NUM_INT;
 	num.int_val = val;
-	obs_data_item_setdata(item, &val, sizeof(struct obs_data_number),
+	obs_data_item_setdata(item, &num, sizeof(struct obs_data_number),
 			OBS_DATA_NUMBER);
 }
 
@@ -874,7 +874,7 @@ void obs_data_item_setdouble(obs_data_item_t *item, double val)
 	struct obs_data_number num;
 	num.type       = OBS_DATA_NUM_DOUBLE;
 	num.double_val = val;
-	obs_data_item_setdata(item, &val, sizeof(struct obs_data_number),
+	obs_data_item_setdata(item, &num, sizeof(struct obs_data_number),
 			OBS_DATA_NUMBER);
 }
 
diff --git a/plugins/obs-outputs/librtmp/parseurl.c b/plugins/obs-outputs/librtmp/parseurl.c
index 2088ee063..477fd77fa 100644
--- a/plugins/obs-outputs/librtmp/parseurl.c
+++ b/plugins/obs-outputs/librtmp/parseurl.c
@@ -198,7 +198,7 @@ parsehost:
 int RTMP_ParseURL2(const char *url, int *protocol, AVal *host, unsigned int *port,
                   AVal *app)
 {
-    char *p, *end, *col, *ques, *slash;
+    char *p, *end, *col, /* *ques, */ *slash;
 
     RTMP_Log(RTMP_LOGDEBUG, "Parsing...");
 
@@ -255,7 +255,7 @@ parsehost:
 
     end   = p + strlen(p);
     col   = strchr(p, ':');
-    ques  = strchr(p, '?');
+    // ques  = strchr(p, '?');
     slash = strchr(p, '/');
 
     {
diff --git a/plugins/obs-outputs/librtmp/rtmp.c b/plugins/obs-outputs/librtmp/rtmp.c
index c153c6e64..7fc6d50f2 100644
--- a/plugins/obs-outputs/librtmp/rtmp.c
+++ b/plugins/obs-outputs/librtmp/rtmp.c
@@ -3923,7 +3923,7 @@ RTMP_ReadPacket(RTMP *r, RTMPPacket *packet)
     uint8_t hbuf[RTMP_MAX_HEADER_SIZE] = { 0 };
     char *header = (char *)hbuf;
     int nSize, hSize, nToRead, nChunk;
-    int didAlloc = FALSE;
+    // int didAlloc = FALSE;
 
     RTMP_Log(RTMP_LOGDEBUG2, "%s: fd=%d", __FUNCTION__, r->m_sb.sb_socket);
 
@@ -4050,7 +4050,7 @@ RTMP_ReadPacket(RTMP *r, RTMPPacket *packet)
             RTMP_Log(RTMP_LOGDEBUG, "%s, failed to allocate packet", __FUNCTION__);
             return FALSE;
         }
-        didAlloc = TRUE;
+        // didAlloc = TRUE;
         packet->m_headerType = (hbuf[0] & 0xc0) >> 6;
     }
 
@@ -5339,8 +5339,8 @@ stopKeyframeSearch:
 
     if (recopy)
     {
-        len = (unsigned int)(ret) > buflen ? buflen : ret;
-        memcpy(buf, r->m_read.buf, len);
+        len = (unsigned int)(ret) > buflen ? buflen : (unsigned int)ret;
+	memcpy(buf, r->m_read.buf, len);
         r->m_read.bufpos = r->m_read.buf + len;
         r->m_read.buflen = ret - len;
     }
diff --git a/plugins/obs-outputs/rtmp-stream.c b/plugins/obs-outputs/rtmp-stream.c
index 735533ff6..b57261909 100644
--- a/plugins/obs-outputs/rtmp-stream.c
+++ b/plugins/obs-outputs/rtmp-stream.c
@@ -21,6 +21,7 @@
 #include <util/circlebuf.h>
 #include <util/dstr.h>
 #include <util/threading.h>
+#include <inttypes.h>
 #include "librtmp/rtmp.h"
 #include "librtmp/log.h"
 #include "flv-mux.h"
@@ -505,7 +506,7 @@ static void check_to_drop_frames(struct rtmp_stream *stream)
 	buffer_duration_usec = stream->last_dts_usec - first.dts_usec;
 	if (buffer_duration_usec > stream->drop_threshold_usec) {
 		drop_frames(stream);
-		blog(LOG_INFO, "dropping %lld worth of frames",
+		blog(LOG_INFO, "dropping %" PRId64 " worth of frames",
 				buffer_duration_usec);
 	}
 }