diff --git a/mythtv/libs/libmythtv/visualisations/goom/ifs.h b/mythtv/libs/libmythtv/visualisations/goom/ifs.h
@@ -7,11 +7,10 @@
 
 #include "goomconfig.h"
 
-typedef struct _ifsPoint
+struct IFSPoint
 {
 	gint32  x, y;
-}
-IFSPoint;
+};
 
 // init ifs for a (width)x(height) output.
 void    init_ifs (int width, int height);

diff --git a/mythtv/libs/libmythtv/visualisations/goom/ifs_display.cpp b/mythtv/libs/libmythtv/visualisations/goom/ifs_display.cpp
@@ -34,7 +34,7 @@ void ifs_update (guint32 * data, const guint32 * back, int width, int height,
 		cycle10 = 7 - s_cycle / 10;
 
 	{
-		unsigned char *tmp = (unsigned char *) &couleursl;
+		auto *tmp = (unsigned char *) &couleursl;
 
 		for (int i = 0; i < 4; i++) {
 			*tmp = (*tmp) >> cycle10;

diff --git a/mythtv/libs/libmythtv/visualisations/goom/lines.cpp b/mythtv/libs/libmythtv/visualisations/goom/lines.cpp
@@ -32,7 +32,7 @@ lighten (unsigned char value, float power)
 static void
 lightencolor (int *col, float power)
 {
-	unsigned char *color = (unsigned char *) col;
+	auto *color = (unsigned char *) col;
 	*color = lighten (*color, power);
 	color++;
 	*color = lighten (*color, power);
@@ -117,8 +117,8 @@ goom_lines_move (GMLine * l)
 			(l->points2[i].angle + 39.0F * l->points[i].angle) / 40.0F;
 	}
 
-	unsigned char *c1 = (unsigned char *) &l->color;
-	unsigned char *c2 = (unsigned char *) &l->color2;
+	auto *c1 = (unsigned char *) &l->color;
+	auto *c2 = (unsigned char *) &l->color2;
 	for (int i = 0; i < 4; i++) {
 		int cc1 = *c1;
 		int cc2 = *c2;
@@ -161,7 +161,7 @@ goom_lines_init (int rx, int ry,
 	//unsigned char *color;
 	//unsigned char power = 4;
 
-	GMLine *l = (GMLine *) malloc (sizeof (GMLine));
+	auto *l = (GMLine *) malloc (sizeof (GMLine));
 
 	l->points = (GMUnitPointer *) malloc (512 * sizeof (GMUnitPointer));
 	l->points2 = (GMUnitPointer *) malloc (512 * sizeof (GMUnitPointer));

diff --git a/mythtv/libs/libmythtv/visualisations/goom/lines.h b/mythtv/libs/libmythtv/visualisations/goom/lines.h
@@ -9,15 +9,15 @@
 #include "graphic.h"
 #include "goomconfig.h"
 
-typedef struct _GMUNITPOINTER
+struct GMUnitPointer
 {
 	float   x;
 	float   y;
 	float   angle;
-} GMUnitPointer;
+};
 
 // tableau de points
-typedef struct _GMLINE
+struct GMLine
 {
 	GMUnitPointer *points;
 	GMUnitPointer *points2;
@@ -35,7 +35,7 @@ typedef struct _GMLINE
 
 	float   power;
 	float   powinc;
-} GMLine;
+};
 
 // les ID possibles
 #define GML_CIRCLE 0

diff --git a/mythtv/libs/libmythtv/visualisations/goom/surf3d.cpp b/mythtv/libs/libmythtv/visualisations/goom/surf3d.cpp
@@ -15,7 +15,7 @@ void grid3d_free(grid3d **grid)
 grid3d *grid3d_new (int sizex, int defx, int sizez, int defz, v3d center) {
 	int x = defx;
 	int y = defz;
-	grid3d *g = (grid3d*)malloc (sizeof(grid3d));
+	auto *g = (grid3d*)malloc (sizeof(grid3d));
 	surf3d *s = &(g->surf);
 	s->nbvertex = x*y;
 	s->vertex = (v3d*)malloc (x*y*sizeof(v3d));

diff --git a/mythtv/libs/libmythtv/visualisations/goom/surf3d.h b/mythtv/libs/libmythtv/visualisations/goom/surf3d.h
@@ -3,23 +3,23 @@
 
 #include "v3d.h"
 
-typedef struct {
+struct surf3d {
 	v3d *vertex;
 	v3d *svertex;
 	int nbvertex;
 
 	v3d center;
-} surf3d;
+};
 
-typedef struct {
+struct grid3d {
 	surf3d surf;
 
 	int defx;
 	int sizex;
 	int defz;
 	int sizez;
 	int mode;
-} grid3d;
+};
 
 /* hi-level */
 

diff --git a/mythtv/libs/libmythtv/visualisations/goom/tentacle3d.cpp b/mythtv/libs/libmythtv/visualisations/goom/tentacle3d.cpp
@@ -64,7 +64,7 @@ lighten (unsigned char value, float power)
 static void
 lightencolor (int *col, float power)
 {
-	unsigned char *color = (unsigned char *) col;
+	auto *color = (unsigned char *) col;
 	*color = lighten (*color, power);
 	color++;
 	*color = lighten (*color, power);

diff --git a/mythtv/libs/libmythtv/visualisations/goom/v3d.h b/mythtv/libs/libmythtv/visualisations/goom/v3d.h
@@ -7,13 +7,13 @@
 
 #include "mathtools.h"
 
-typedef struct {
+struct v3d {
 	float x,y,z;
-} v3d;
+};
 
-typedef struct {
+struct v2d {
 	int x,y;
-} v2d;
+};
 
 /* 
  * projete le vertex 3D sur le plan d'affichage

diff --git a/mythtv/libs/libmythui/platforms/mythxdisplay.cpp b/mythtv/libs/libmythui/platforms/mythxdisplay.cpp
@@ -106,8 +106,8 @@ QSize MythXDisplay::GetDisplaySize(void)
     {
         LOG(VB_GENERAL, LOG_ERR, "X11 ModeLine query failed");
         // Fallback to old display size code - which is not updated for mode switches
-        return QSize(DisplayWidth(m_disp, m_screenNum),
-                     DisplayHeight(m_disp, m_screenNum));
+        return {DisplayWidth(m_disp, m_screenNum),
+                DisplayHeight(m_disp, m_screenNum)};
     }
 
     return { mode.hdisplay, mode.vdisplay };

diff --git a/mythtv/programs/mythtranscode/external/replex/element.h b/mythtv/programs/mythtranscode/external/replex/element.h
@@ -83,7 +83,7 @@ enum {
 	NONE=0,AC3, MPEG_AUDIO, LPCM, MAX_TYPES
 };
 
-typedef struct sequence_s{
+struct sequence_t {
 	int set;
 	int ext_set;
 	uint16_t h_size;
@@ -103,10 +103,9 @@ typedef struct sequence_s{
 	uint8_t  pulldown;
 	uint8_t  current_frame;
 	uint8_t  current_tmpref;
-} sequence_t;
+};
 
-typedef
-struct audio_frame_s{
+struct audio_frame_t {
 	int set;
 	int layer;
 	uint32_t bit_rate;
@@ -118,7 +117,7 @@ struct audio_frame_s{
 	uint32_t frametime;
 	uint32_t off;
 	char     language[4];
-} audio_frame_t;
+};
 
 void pts2time(uint64_t pts, uint8_t *buf, int len);
 int find_audio_sync(ringbuffer *rbuf, uint8_t *buf, int off, int type, int le);

diff --git a/mythtv/programs/mythtranscode/external/replex/mpg_common.h b/mythtv/programs/mythtranscode/external/replex/mpg_common.h
@@ -32,7 +32,7 @@
 
 
 
-typedef struct index_unit_s{
+struct index_unit {
 	uint8_t  active;
 	uint32_t length;
 	uint32_t start;
@@ -49,9 +49,9 @@ typedef struct index_unit_s{
 	uint8_t  err;
 	uint32_t framesize;
 	uint64_t ptsrate;
-} index_unit;
+};
 
-typedef struct extdata_s{
+struct extdata_t {
 	index_unit iu;
 	uint64_t pts;
 	uint64_t pts_off;
@@ -60,7 +60,7 @@ typedef struct extdata_s{
 	int frmperpkt;
 	char language[4];
 	dummy_buffer dbuf;
-} extdata_t;
+};
 
 
 #define NO_ERR    0

diff --git a/mythtv/programs/mythtranscode/external/replex/multiplex.h b/mythtv/programs/mythtranscode/external/replex/multiplex.h
@@ -33,7 +33,7 @@
 #define N_AUDIO 32
 #define N_AC3 8
 
-typedef struct multiplex_s{
+struct multiplex_t {
 	int fd_out;
 #define REPLEX_MPEG2  0
 #define REPLEX_DVD    1
@@ -81,7 +81,7 @@ typedef struct multiplex_s{
 
 	int (*fill_buffers)(void *p, int f);
 	void *priv;
-} multiplex_t;
+};
 
 void check_times( multiplex_t *mx, int *video_ok, int *ext_ok, int *start);
 void write_out_packs( multiplex_t *mx, int video_ok, int *ext_ok);

diff --git a/mythtv/programs/mythtranscode/external/replex/pes.h b/mythtv/programs/mythtranscode/external/replex/pes.h
@@ -52,8 +52,7 @@
 #define MAX_PTS (0x0000000200000000ULL)
 #define MAX_PTS2 (300* MAX_PTS)
 
-typedef
-struct ps_packet_{
+struct ps_packet {
 	uint8_t scr[6];
 	uint8_t mux_rate[3];
 	uint8_t stuff_length;
@@ -65,11 +64,10 @@ struct ps_packet_{
 	uint8_t video_bound;
 	uint8_t reserved;
 	int npes;
-} ps_packet;
+};
 
 
-typedef
-struct pes_in_s{
+struct pes_in_t {
 	int type;
 	unsigned int found;
 	int withbuf;
@@ -89,7 +87,7 @@ struct pes_in_s{
 	int done;
 	int which;
 	void *priv;
-} pes_in_t;
+};
 
 
 void init_pes_in(pes_in_t *p, int type, ringbuffer *rb, int wi);

diff --git a/mythtv/programs/mythtranscode/external/replex/ringbuffer.h b/mythtv/programs/mythtranscode/external/replex/ringbuffer.h
@@ -33,22 +33,22 @@
 
 #define FULL_BUFFER  (-1000)
 #define EMPTY_BUFFER  (-1000)
-	typedef struct ringbuffer {
+	struct ringbuffer {
 		int read_pos;
 		int write_pos;
 		uint32_t size;
 		uint8_t *buffer;
-	} ringbuffer;
+	};
 
 
 #define DBUF_INDEX 10000
 
-	typedef struct dummy_buffer_s {
+	struct dummy_buffer {
 		uint32_t size;
 		uint32_t fill;
 		ringbuffer time_index;
 		ringbuffer data_index;
-	} dummy_buffer;
+	};
 
 
 	int  ring_init (ringbuffer *rbuf, int size);