diff options
| -rw-r--r-- | libavcodec/rangecoder.c | 30 |
1 files changed, 1 insertions, 29 deletions
diff --git a/libavcodec/rangecoder.c b/libavcodec/rangecoder.c index 1f35d08..fcd564a 100644 --- a/libavcodec/rangecoder.c +++ b/libavcodec/rangecoder.c @@ -66,28 +66,6 @@ void ff_build_rac_states(RangeCoder *c, int factor, int max_p){ memset(c->zero_state, 0, sizeof(c->zero_state)); memset(c-> one_state, 0, sizeof(c-> one_state)); -#if 0 - for(i=1; i<256; i++){ - if(c->one_state[i]) - continue; - - p= (i*one + 128) >> 8; - last_p8= i; - for(;;){ - p+= ((one-p)*factor + one/2) >> 32; - p8= (256*p + one/2) >> 32; //FIXME try without the one - if(p8 <= last_p8) p8= last_p8+1; - if(p8 > max_p) p8= max_p; - if(p8 < last_p8) - break; - c->one_state[last_p8]= p8; - if(p8 == last_p8) - break; - last_p8= p8; - } - } -#endif -#if 1 last_p8= 0; p= one/2; for(i=0; i<128; i++){ @@ -99,7 +77,7 @@ void ff_build_rac_states(RangeCoder *c, int factor, int max_p){ p+= ((one-p)*factor + one/2) >> 32; last_p8= p8; } -#endif + for(i=256-max_p; i<=max_p; i++){ if(c->one_state[i]) continue; @@ -114,10 +92,6 @@ void ff_build_rac_states(RangeCoder *c, int factor, int max_p){ for(i=1; i<255; i++) c->zero_state[i]= 256-c->one_state[256-i]; -#if 0 - for(i=0; i<256; i++) - av_log(NULL, AV_LOG_DEBUG, "%3d %3d\n", i, c->one_state[i]); -#endif } /** @@ -155,7 +129,6 @@ int main(){ r[i]= random()%7; } - for(i=0; i<SIZE; i++){ START_TIMER put_rac(&c, state, r[i]&1); @@ -177,5 +150,4 @@ STOP_TIMER("get_rac") return 0; } - #endif |
