X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Frangecoder.h;h=298928ad4395d1d429a6b23df006713a6fd723e8;hb=efb775777f815f3140f79f58d3f756a3a4831235;hp=68bd3b60e4ec601eb851a61edb27ddbd8905d1e9;hpb=b78e7197a81e193827cf2408fe25bc1f14843a72;p=ffmpeg

diff --git a/libavcodec/rangecoder.h b/libavcodec/rangecoder.h
index 68bd3b60e4e..298928ad439 100644
--- a/libavcodec/rangecoder.h
+++ b/libavcodec/rangecoder.h
@@ -25,6 +25,13 @@
  * Range coder.
  */
 
+#ifndef AVCODEC_RANGECODER_H
+#define AVCODEC_RANGECODER_H
+
+#include <stdint.h>
+#include <assert.h>
+#include "common.h"
+
 typedef struct RangeCoder{
     int low;
     int range;
@@ -66,6 +73,13 @@ static inline void renorm_encoder(RangeCoder *c){
     }
 }
 
+static inline int get_rac_count(RangeCoder *c){
+    int x= c->bytestream - c->bytestream_start + c->outstanding_count;
+    if(c->outstanding_byte >= 0)
+        x++;
+    return 8*x - av_log2(c->range);
+}
+
 static inline void put_rac(RangeCoder *c, uint8_t * const state, int bit){
     int range1= (c->range * (*state)) >> 8;
 
@@ -96,7 +110,7 @@ static inline void refill(RangeCoder *c){
 
 static inline int get_rac(RangeCoder *c, uint8_t * const state){
     int range1= (c->range * (*state)) >> 8;
-    int attribute_unused one_mask;
+    int av_unused one_mask;
 
     c->range -= range1;
 #if 1
@@ -125,3 +139,4 @@ static inline int get_rac(RangeCoder *c, uint8_t * const state){
 #endif
 }
 
+#endif // AVCODEC_RANGECODER_H