warning fixes by (Michael Roitzsch <mroi at users dot sourceforge dot net>)

Originally committed as revision 3156 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/libpostproc/postprocess.c

@@ -123,7 +123,7 @@ static uint64_t __attribute__((aligned(8))) attribute_used b80= 		0x808080808080
 static uint8_t clip_table[3*256];
 static uint8_t * const clip_tab= clip_table + 256;
 
-static int verbose= 0;
+static const int verbose= 0;
 
 static const int attribute_used deringThreshold= 20;
 

libavcodec/libpostproc/postprocess_template.c

@@ -2789,7 +2789,7 @@ static void RENAME(postProcess)(uint8_t src[], int srcStride, uint8_t dst[], int
 	uint64_t * const yHistogram= c.yHistogram;
 	uint8_t * const tempSrc= c.tempSrc;
 	uint8_t * const tempDst= c.tempDst;
-	const int mbWidth= isColor ? (width+7)>>3 : (width+15)>>4;
+	//const int mbWidth= isColor ? (width+7)>>3 : (width+15)>>4;
 
 #ifdef HAVE_MMX
 	for(i=0; i<57; i++){

libavcodec/mpegvideo.h

@@ -904,8 +904,9 @@ int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
 int ff_h263_resync(MpegEncContext *s);
 int ff_h263_get_gob_height(MpegEncContext *s);
 int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
-inline int ff_h263_round_chroma(int x);
+int ff_h263_round_chroma(int x);
 void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code);
+int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
 
 
 /* rv10.c */

libavcodec/msmpeg4.c

@@ -656,21 +656,6 @@ void msmpeg4_encode_mb(MpegEncContext * s,
 
 #endif //CONFIG_ENCODERS
 
-/* old ffmpeg msmpeg4v3 mode */
-static void ff_old_msmpeg4_dc_scale(MpegEncContext * s)
-{
-    if (s->qscale < 5){
-        s->y_dc_scale = 8;
-        s->c_dc_scale = 8;
-    }else if (s->qscale < 9){
-        s->y_dc_scale = 2 * s->qscale;
-        s->c_dc_scale = (s->qscale + 13)>>1;
-    }else{
-        s->y_dc_scale = s->qscale + 8;
-        s->c_dc_scale = (s->qscale + 13)>>1;
-    }
-}
-
 static inline int msmpeg4v1_pred_dc(MpegEncContext * s, int n, 
                                     int32_t **dc_val_ptr)
 {

libavcodec/rv10.c

@@ -528,15 +528,9 @@ static int rv10_decode_packet(AVCodecContext *avctx,
                              uint8_t *buf, int buf_size)
 {
     MpegEncContext *s = avctx->priv_data;
-    int i, mb_count, mb_pos, left;
+    int mb_count, mb_pos, left;
 
     init_get_bits(&s->gb, buf, buf_size*8);
-#if 0
-    for(i=0; i<buf_size*8 && i<200; i++)
-        printf("%d", get_bits1(&s->gb));
-    printf("\n");
-    return 0;
-#endif
     if(s->codec_id ==CODEC_ID_RV10)
         mb_count = rv10_decode_picture_header(s);
     else

libavcodec/vp3.c

@@ -2056,7 +2056,7 @@ static void render_fragments(Vp3DecodeContext *s,
     unsigned char *last_plane;
     unsigned char *golden_plane;
     int stride;
-    int motion_x, motion_y;
+    int motion_x = 0xdeadbeef, motion_y = 0xdeadbeef;
     int upper_motion_limit, lower_motion_limit;
     int motion_halfpel_index;
     uint8_t *motion_source;

libavcodec/wmv2.c

@@ -479,9 +479,6 @@ s->picture_number++; //FIXME ?
     return 0;
 }
 
-static void ff_wmv2_decode_init(MpegEncContext *s){
-}
-
 static inline int wmv2_decode_motion(Wmv2Context *w, int *mx_ptr, int *my_ptr){
     MpegEncContext * const s= &w->s;
     int ret;