Remove casts that are useless since the argument is void *.

Originally committed as revision 20177 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/dnxhdenc.c

@@ -528,7 +528,7 @@ static int dnxhd_encode_rdo(AVCodecContext *avctx, DNXHDEncContext *ctx)
 
     for (q = 1; q < avctx->qmax; q++) {
         ctx->qscale = q;
-        avctx->execute(avctx, dnxhd_calc_bits_thread, (void**)&ctx->thread[0], NULL, avctx->thread_count, sizeof(void*));
+        avctx->execute(avctx, dnxhd_calc_bits_thread, &ctx->thread[0], NULL, avctx->thread_count, sizeof(void*));
     }
     up_step = down_step = 2<<LAMBDA_FRAC_BITS;
     lambda = ctx->lambda;
@@ -608,7 +608,7 @@ static int dnxhd_find_qscale(DNXHDEncContext *ctx)
         bits = 0;
         ctx->qscale = qscale;
         // XXX avoid recalculating bits
-        ctx->m.avctx->execute(ctx->m.avctx, dnxhd_calc_bits_thread, (void**)&ctx->thread[0], NULL, ctx->m.avctx->thread_count, sizeof(void*));
+        ctx->m.avctx->execute(ctx->m.avctx, dnxhd_calc_bits_thread, &ctx->thread[0], NULL, ctx->m.avctx->thread_count, sizeof(void*));
         for (y = 0; y < ctx->m.mb_height; y++) {
             for (x = 0; x < ctx->m.mb_width; x++)
                 bits += ctx->mb_rc[qscale][y*ctx->m.mb_width+x].bits;
@@ -732,7 +732,7 @@ static int dnxhd_encode_fast(AVCodecContext *avctx, DNXHDEncContext *ctx)
     }
     if (!ret) {
         if (RC_VARIANCE)
-            avctx->execute(avctx, dnxhd_mb_var_thread, (void**)&ctx->thread[0], NULL, avctx->thread_count, sizeof(void*));
+            avctx->execute(avctx, dnxhd_mb_var_thread, &ctx->thread[0], NULL, avctx->thread_count, sizeof(void*));
         radix_sort(ctx->mb_cmp, ctx->m.mb_num);
         for (x = 0; x < ctx->m.mb_num && max_bits > ctx->frame_bits; x++) {
             int mb = ctx->mb_cmp[x].mb;
@@ -804,7 +804,7 @@ static int dnxhd_encode_picture(AVCodecContext *avctx, unsigned char *buf, int b
         assert(!(ctx->slice_size[i] & 3));
     }
 
-    avctx->execute(avctx, dnxhd_encode_thread, (void**)&ctx->thread[0], NULL, avctx->thread_count, sizeof(void*));
+    avctx->execute(avctx, dnxhd_encode_thread, &ctx->thread[0], NULL, avctx->thread_count, sizeof(void*));
 
     assert(640 + offset + 4 <= ctx->cid_table->coding_unit_size);
     memset(buf + 640 + offset, 0, ctx->cid_table->coding_unit_size - 4 - offset - 640);

libavcodec/h264.c

@@ -7461,7 +7461,7 @@ static void execute_decode_slices(H264Context *h, int context_count){
         }
 
         avctx->execute(avctx, (void *)decode_slice,
-                       (void **)h->thread_context, NULL, context_count, sizeof(void*));
+                       h->thread_context, NULL, context_count, sizeof(void*));
 
         /* pull back stuff from slices to master context */
         hx = h->thread_context[context_count - 1];

libavcodec/mpeg12.c

@@ -2309,7 +2309,7 @@ static int decode_chunks(AVCodecContext *avctx,
                 if(avctx->thread_count > 1){
                     int i;
 
-                    avctx->execute(avctx, slice_decode_thread,  (void**)&(s2->thread_context[0]), NULL, s->slice_count, sizeof(void*));
+                    avctx->execute(avctx, slice_decode_thread,  &s2->thread_context[0], NULL, s->slice_count, sizeof(void*));
                     for(i=0; i<s->slice_count; i++)
                         s2->error_count += s2->thread_context[i]->error_count;
                 }

libavcodec/mpegvideo_enc.c

@@ -2772,11 +2772,11 @@ static int encode_picture(MpegEncContext *s, int picture_number)
         s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8;
         if(s->pict_type != FF_B_TYPE && s->avctx->me_threshold==0){
             if((s->avctx->pre_me && s->last_non_b_pict_type==FF_I_TYPE) || s->avctx->pre_me==2){
-                s->avctx->execute(s->avctx, pre_estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count, sizeof(void*));
+                s->avctx->execute(s->avctx, pre_estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
             }
         }
 
-        s->avctx->execute(s->avctx, estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count, sizeof(void*));
+        s->avctx->execute(s->avctx, estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
     }else /* if(s->pict_type == FF_I_TYPE) */{
         /* I-Frame */
         for(i=0; i<s->mb_stride*s->mb_height; i++)
@@ -2784,7 +2784,7 @@ static int encode_picture(MpegEncContext *s, int picture_number)
 
         if(!s->fixed_qscale){
             /* finding spatial complexity for I-frame rate control */
-            s->avctx->execute(s->avctx, mb_var_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count, sizeof(void*));
+            s->avctx->execute(s->avctx, mb_var_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
         }
     }
     for(i=1; i<s->avctx->thread_count; i++){
@@ -2924,7 +2924,7 @@ static int encode_picture(MpegEncContext *s, int picture_number)
     for(i=1; i<s->avctx->thread_count; i++){
         update_duplicate_context_after_me(s->thread_context[i], s);
     }
-    s->avctx->execute(s->avctx, encode_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count, sizeof(void*));
+    s->avctx->execute(s->avctx, encode_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
     for(i=1; i<s->avctx->thread_count; i++){
         merge_context_after_encode(s, s->thread_context[i]);
     }