const

[ffmpeg] / libavcodec / svq3.c

diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index 70239615167f030e8de59cae391a8b05751d64b3..98260adf4e063f37bf5ca9d74ed4e6c965550d56 100644 (file)
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -180,34 +180,6 @@ static void svq3_add_idct_c (uint8_t *dst, DCTELEM *block, int stride, int qp, i
     }
 }
 
-static void pred4x4_down_left_svq3_c(uint8_t *src, uint8_t *topright, int stride){
-    LOAD_TOP_EDGE
-    LOAD_LEFT_EDGE
-    const av_unused int unu0= t0;
-    const av_unused int unu1= l0;
-
-    src[0+0*stride]=(l1 + t1)>>1;
-    src[1+0*stride]=
-    src[0+1*stride]=(l2 + t2)>>1;
-    src[2+0*stride]=
-    src[1+1*stride]=
-    src[0+2*stride]=
-    src[3+0*stride]=
-    src[2+1*stride]=
-    src[1+2*stride]=
-    src[0+3*stride]=
-    src[3+1*stride]=
-    src[2+2*stride]=
-    src[1+3*stride]=
-    src[3+2*stride]=
-    src[2+3*stride]=
-    src[3+3*stride]=(l3 + t3)>>1;
-}
-
-static void pred16x16_plane_svq3_c(uint8_t *src, int stride){
-    pred16x16_plane_compat_c(src, stride, 1);
-}
-
 static inline int svq3_decode_block (GetBitContext *gb, DCTELEM *block,
                                      int index, const int type) {
 
@@ -748,7 +720,7 @@ static int svq3_decode_slice_header (H264Context *h) {
     i = (s->mb_num < 64) ? 6 : (1 + av_log2 (s->mb_num - 1));
     s->mb_skip_run = get_bits (&s->gb, i) - (s->mb_x + (s->mb_y * s->mb_width));
   } else {
-    get_bits1 (&s->gb);
+    skip_bits1 (&s->gb);
     s->mb_skip_run = 0;
   }
 
@@ -757,17 +729,17 @@ static int svq3_decode_slice_header (H264Context *h) {
   s->adaptive_quant = get_bits1 (&s->gb);
 
   /* unknown fields */
-  get_bits1 (&s->gb);
+  skip_bits1 (&s->gb);
 
   if (h->unknown_svq3_flag) {
-    get_bits1 (&s->gb);
+    skip_bits1 (&s->gb);
   }
 
-  get_bits1 (&s->gb);
-  get_bits (&s->gb, 2);
+  skip_bits1 (&s->gb);
+  skip_bits (&s->gb, 2);
 
   while (get_bits1 (&s->gb)) {
-    get_bits (&s->gb, 8);
+    skip_bits (&s->gb, 8);
   }
 
   /* reset intra predictors and invalidate motion vector references */
@@ -788,7 +760,7 @@ static int svq3_decode_slice_header (H264Context *h) {
 
 static int svq3_decode_frame (AVCodecContext *avctx,
                               void *data, int *data_size,
-                              uint8_t *buf, int buf_size) {
+                              const uint8_t *buf, int buf_size) {
   MpegEncContext *const s = avctx->priv_data;
   H264Context *const h = avctx->priv_data;
   int m, mb_type;
@@ -802,8 +774,6 @@ static int svq3_decode_frame (AVCodecContext *avctx,
   if (!s->context_initialized) {
     s->width = avctx->width;
     s->height = avctx->height;
-    h->pred4x4[DIAG_DOWN_LEFT_PRED] = pred4x4_down_left_svq3_c;
-    h->pred16x16[PLANE_PRED8x8] = pred16x16_plane_svq3_c;
     h->halfpel_flag = 1;
     h->thirdpel_flag = 1;
     h->unknown_svq3_flag = 0;
@@ -834,26 +804,26 @@ static int svq3_decode_frame (AVCodecContext *avctx,
 
       /* 'frame size code' and optional 'width, height' */
       if (get_bits (&gb, 3) == 7) {
-        get_bits (&gb, 12);
-        get_bits (&gb, 12);
+        skip_bits (&gb, 12);
+        skip_bits (&gb, 12);
       }
 
       h->halfpel_flag = get_bits1 (&gb);
       h->thirdpel_flag = get_bits1 (&gb);
 
       /* unknown fields */
-      get_bits1 (&gb);
-      get_bits1 (&gb);
-      get_bits1 (&gb);
-      get_bits1 (&gb);
+      skip_bits1 (&gb);
+      skip_bits1 (&gb);
+      skip_bits1 (&gb);
+      skip_bits1 (&gb);
 
       s->low_delay = get_bits1 (&gb);
 
       /* unknown field */
-      get_bits1 (&gb);
+      skip_bits1 (&gb);
 
       while (get_bits1 (&gb)) {
-        get_bits (&gb, 8);
+        skip_bits (&gb, 8);
       }
 
       h->unknown_svq3_flag = get_bits1 (&gb);