diff --git a/libmpdemux/aviheader.c b/libmpdemux/aviheader.c
index cd2db91726..3f18af28f8 100644
--- a/libmpdemux/aviheader.c
+++ b/libmpdemux/aviheader.c
@@ -258,7 +258,7 @@ while(1){
 	  s->aIndex[i].dwSize = stream_read_dword_le(demuxer->stream);
 	  s->aIndex[i].dwDuration = stream_read_dword_le(demuxer->stream);
 	  mp_msg (MSGT_HEADER, MSGL_V, "ODML (%.4s): [%d] 0x%016"PRIx64" 0x%04x %u\n",
-		  (s->dwChunkId), i,
+		  s->dwChunkId, i,
 		  (uint64_t)s->aIndex[i].qwOffset, s->aIndex[i].dwSize, s->aIndex[i].dwDuration);
       }
 
diff --git a/libmpdemux/demux_ts.c b/libmpdemux/demux_ts.c
index ebb1709f5a..d809ac6c3b 100644
--- a/libmpdemux/demux_ts.c
+++ b/libmpdemux/demux_ts.c
@@ -661,7 +661,7 @@ static int a52_check(char *buf, int len)
 
 static off_t ts_detect_streams(demuxer_t *demuxer, tsdemux_init_t *param)
 {
-	int video_found = 0, audio_found = 0, sub_found av_unused = 0, i, num_packets = 0, req_apid, req_vpid, req_spid;
+	int video_found = 0, audio_found = 0, i, num_packets = 0, req_apid, req_vpid, req_spid;
 	int is_audio, is_video, is_sub, has_tables;
 	int32_t p, chosen_pid = 0;
 	off_t pos=0, ret = 0, init_pos, end_pos;
@@ -828,7 +828,6 @@ static off_t ts_detect_streams(demuxer_t *demuxer, tsdemux_init_t *param)
 				{
 					param->stype = es.type;
 					param->spid = es.pid;
-					sub_found = 1;
 				}
 			}
 
diff --git a/libmpdemux/mpeg_hdr.c b/libmpdemux/mpeg_hdr.c
index 2a00727e3a..0c368aa7a2 100644
--- a/libmpdemux/mpeg_hdr.c
+++ b/libmpdemux/mpeg_hdr.c
@@ -45,7 +45,7 @@ static float frameratecode2framerate[16] = {
 
 int mp_header_process_sequence_header (mp_mpeg_header_t * picture, const unsigned char * buffer)
 {
-    int width av_unused, height;
+    int height;
 
     if ((buffer[6] & 0x20) != 0x20){
 	fprintf(stderr, "missing marker bit!\n");
@@ -54,11 +54,8 @@ int mp_header_process_sequence_header (mp_mpeg_header_t * picture, const unsigne
 
     height = (buffer[0] << 16) | (buffer[1] << 8) | buffer[2];
 
-    picture->display_picture_width = (height >> 12);
-    picture->display_picture_height = (height & 0xfff);
-
-    width = ((height >> 12) + 15) & ~15;
-    height = ((height & 0xfff) + 15) & ~15;
+    picture->display_picture_width = height >> 12;
+    picture->display_picture_height = height & 0xfff;
 
     picture->aspect_ratio_information = buffer[3] >> 4;
     picture->frame_rate_code = buffer[3] & 15;
diff --git a/libvo/vo_dfbmga.c b/libvo/vo_dfbmga.c
index 76ae4a46f9..57b798040e 100644
--- a/libvo/vo_dfbmga.c
+++ b/libvo/vo_dfbmga.c
@@ -1335,7 +1335,7 @@ draw_image( mp_image_t *mpi )
 }
 
 static int
-set_equalizer( char *data, int value )
+set_equalizer( const char *data, int value )
 {
      DFBResult res;
      DFBColorAdjustment ca;
@@ -1375,7 +1375,7 @@ set_equalizer( char *data, int value )
 }
 
 static int
-get_equalizer( char *data, int *value )
+get_equalizer( const char *data, int *value )
 {
      DFBResult res;
      DFBColorAdjustment ca;
diff --git a/libvo/vo_directfb2.c b/libvo/vo_directfb2.c
index de44b2ea51..ae15918b53 100644
--- a/libvo/vo_directfb2.c
+++ b/libvo/vo_directfb2.c
@@ -980,7 +980,7 @@ static void uninit(void)
 }
 
 
-static uint32_t directfb_set_video_eq(char *data, int value) //data==name
+static uint32_t directfb_set_video_eq(const char *data, int value) //data==name
 {
 
 	DFBColorAdjustment ca;
@@ -1038,7 +1038,7 @@ if (layer) {
 
 }
 
-static uint32_t directfb_get_video_eq(char *data, int *value) // data==name
+static uint32_t directfb_get_video_eq(const char *data, int *value) // data==name
 {
 
 	DFBColorAdjustment ca;