X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fcabac.c;h=7b5e5b1de425edda44e5ea2c5fb8f3a4c0d9bc11;hb=34630b93dc7cf028a4b483c19c4f6ca4162c25c0;hp=91db6c33eaa8122a7a12b1a6f264c2e4688ae71d;hpb=f24a51593145dd471ce5bdbb0694caae1fbead61;p=ffmpeg

diff --git a/libavcodec/cabac.c b/libavcodec/cabac.c
index 91db6c33eaa..7b5e5b1de42 100644
--- a/libavcodec/cabac.c
+++ b/libavcodec/cabac.c
@@ -17,18 +17,17 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
  */
 
 /**
- * @file cabac.c
+ * @file
  * Context Adaptive Binary Arithmetic Coder.
  */
 
 #include <string.h>
 
-#include "common.h"
-#include "bitstream.h"
+#include "libavutil/common.h"
+#include "get_bits.h"
 #include "cabac.h"
 
 static const uint8_t lps_range[64][4]= {
@@ -51,7 +50,7 @@ static const uint8_t lps_range[64][4]= {
 };
 
 uint8_t ff_h264_mlps_state[4*64];
-uint8_t ff_h264_lps_range[4][2*64];
+uint8_t ff_h264_lps_range[4*2*64];
 uint8_t ff_h264_lps_state[2*64];
 uint8_t ff_h264_mps_state[2*64];
 
@@ -152,8 +151,8 @@ void ff_init_cabac_states(CABACContext *c){
 
     for(i=0; i<64; i++){
         for(j=0; j<4; j++){ //FIXME check if this is worth the 1 shift we save
-            ff_h264_lps_range[j][2*i+0]=
-            ff_h264_lps_range[j][2*i+1]= lps_range[i][j];
+            ff_h264_lps_range[j*2*64+2*i+0]=
+            ff_h264_lps_range[j*2*64+2*i+1]= lps_range[i][j];
         }
 
         ff_h264_mlps_state[128+2*i+0]=
@@ -179,23 +178,27 @@ void ff_init_cabac_states(CABACContext *c){
     }
 }
 
-#if 0 //selftest
+#ifdef TEST
 #define SIZE 10240
 
+#include "libavutil/lfg.h"
 #include "avcodec.h"
+#include "cabac.h"
 
-int main(){
+int main(void){
     CABACContext c;
     uint8_t b[9*SIZE];
     uint8_t r[9*SIZE];
     int i;
     uint8_t state[10]= {0};
+    AVLFG prng;
 
+    av_lfg_init(&prng, 1);
     ff_init_cabac_encoder(&c, b, SIZE);
-    ff_init_cabac_states(&c, ff_h264_lps_range, ff_h264_mps_state, ff_h264_lps_state, 64);
+    ff_init_cabac_states(&c);
 
     for(i=0; i<SIZE; i++){
-        r[i]= random()%7;
+        r[i] = av_lfg_get(&prng) % 7;
     }
 
     for(i=0; i<SIZE; i++){
@@ -262,4 +265,4 @@ STOP_TIMER("get_cabac_ueg")
     return 0;
 }
 
-#endif
+#endif /* TEST */