* 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
- *
*/
/**
* Range coder.
*/
+#ifndef FFMPEG_RANGECODER_H
+#define FFMPEG_RANGECODER_H
+
+#include <stdint.h>
+#include <assert.h>
+#include "libavutil/common.h"
+
typedef struct RangeCoder{
int low;
int range;
}
}
+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;
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
#endif
}
+#endif /* FFMPEG_RANGECODER_H */