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authorDiego Biurrun <diego@biurrun.de>2012-01-07 20:46:09 +0100
committerDiego Biurrun <diego@biurrun.de>2012-01-07 22:13:14 +0100
commitbadb195d139f15dc189dd3f78930c9cbfce89c24 (patch)
tree541fd01295978c1a3cc6863d6f9819c90ddab93a /libavcodec/cabac.c
parent1be4b8ccbaf64e626ede8e3ab5628865db0bada2 (diff)
cabac: Move code only used within the CABAC test program into the test program.
Diffstat (limited to 'libavcodec/cabac.c')
-rw-r--r--libavcodec/cabac.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/libavcodec/cabac.c b/libavcodec/cabac.c
index bcb242936e..466d6239dc 100644
--- a/libavcodec/cabac.c
+++ b/libavcodec/cabac.c
@@ -162,6 +162,31 @@ void ff_init_cabac_states(CABACContext *c){
#include "avcodec.h"
#include "cabac.h"
+static inline void put_cabac_bit(CABACContext *c, int b){
+ put_bits(&c->pb, 1, b);
+ for(;c->outstanding_count; c->outstanding_count--){
+ put_bits(&c->pb, 1, 1-b);
+ }
+}
+
+static inline void renorm_cabac_encoder(CABACContext *c){
+ while(c->range < 0x100){
+ //FIXME optimize
+ if(c->low<0x100){
+ put_cabac_bit(c, 0);
+ }else if(c->low<0x200){
+ c->outstanding_count++;
+ c->low -= 0x100;
+ }else{
+ put_cabac_bit(c, 1);
+ c->low -= 0x200;
+ }
+
+ c->range+= c->range;
+ c->low += c->low;
+ }
+}
+
static void put_cabac(CABACContext *c, uint8_t * const state, int bit){
int RangeLPS= ff_h264_lps_range[2*(c->range&0xC0) + *state];