[FFmpeg-cvslog] Drop broken and unused CABAC test program.

[Diego Biurrun]

ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Fri Oct  5 12:12:52 2012 +0200| [da39cac8def7ea73cad2fa2b611209663c7abe2c] | committer: Diego Biurrun

Drop broken and unused CABAC test program.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=da39cac8def7ea73cad2fa2b611209663c7abe2c
---

 libavcodec/Makefile |    3 +-
 libavcodec/cabac.c  |  147 ---------------------------------------------------
 2 files changed, 1 insertion(+), 149 deletions(-)

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 4d14aea..775cabe 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -676,8 +676,7 @@ SKIPHEADERS-$(HAVE_W32THREADS)         += w32pthreads.h
 
 EXAMPLES = api
 
-TESTPROGS = cabac                                                       \
-            dct                                                         \
+TESTPROGS = dct                                                         \
             fft                                                         \
             fft-fixed                                                   \
             golomb                                                      \
diff --git a/libavcodec/cabac.c b/libavcodec/cabac.c
index bd7d949..02d2911 100644
--- a/libavcodec/cabac.c
+++ b/libavcodec/cabac.c
@@ -162,150 +162,3 @@ void ff_init_cabac_states(CABACContext *c){
       ff_h264_last_coeff_flag_offset_8x8[i] = last_coeff_flag_offset_8x8[i];
     }
 }
-
-#ifdef TEST
-#define SIZE 10240
-
-#include "libavutil/lfg.h"
-#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];
-
-    if(bit == ((*state)&1)){
-        c->range -= RangeLPS;
-        *state    = h264_mps_state[*state];
-    }else{
-        c->low += c->range - RangeLPS;
-        c->range = RangeLPS;
-    }
-
-    renorm_cabac_encoder(c);
-}
-
-/**
- * @param bit 0 -> write zero bit, !=0 write one bit
- */
-static void put_cabac_bypass(CABACContext *c, int bit){
-    c->low += c->low;
-
-    if(bit){
-        c->low += c->range;
-    }
-//FIXME optimize
-    if(c->low<0x200){
-        put_cabac_bit(c, 0);
-    }else if(c->low<0x400){
-        c->outstanding_count++;
-        c->low -= 0x200;
-    }else{
-        put_cabac_bit(c, 1);
-        c->low -= 0x400;
-    }
-}
-
-/**
- *
- * @return the number of bytes written
- */
-static int put_cabac_terminate(CABACContext *c, int bit){
-    c->range -= 2;
-
-    if(!bit){
-        renorm_cabac_encoder(c);
-    }else{
-        c->low += c->range;
-        c->range= 2;
-
-        renorm_cabac_encoder(c);
-
-        assert(c->low <= 0x1FF);
-        put_cabac_bit(c, c->low>>9);
-        put_bits(&c->pb, 2, ((c->low>>7)&3)|1);
-
-        flush_put_bits(&c->pb); //FIXME FIXME FIXME XXX wrong
-    }
-
-    return (put_bits_count(&c->pb)+7)>>3;
-}
-
-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);
-
-    for(i=0; i<SIZE; i++){
-        r[i] = av_lfg_get(&prng) % 7;
-    }
-
-    for(i=0; i<SIZE; i++){
-START_TIMER
-        put_cabac_bypass(&c, r[i]&1);
-STOP_TIMER("put_cabac_bypass")
-    }
-
-    for(i=0; i<SIZE; i++){
-START_TIMER
-        put_cabac(&c, state, r[i]&1);
-STOP_TIMER("put_cabac")
-    }
-
-    put_cabac_terminate(&c, 1);
-
-    ff_init_cabac_decoder(&c, b, SIZE);
-
-    memset(state, 0, sizeof(state));
-
-    for(i=0; i<SIZE; i++){
-START_TIMER
-        if( (r[i]&1) != get_cabac_bypass(&c) )
-            av_log(NULL, AV_LOG_ERROR, "CABAC bypass failure at %d\n", i);
-STOP_TIMER("get_cabac_bypass")
-    }
-
-    for(i=0; i<SIZE; i++){
-START_TIMER
-        if( (r[i]&1) != get_cabac(&c, state) )
-            av_log(NULL, AV_LOG_ERROR, "CABAC failure at %d\n", i);
-STOP_TIMER("get_cabac")
-    }
-    if(!get_cabac_terminate(&c))
-        av_log(NULL, AV_LOG_ERROR, "where's the Terminator?\n");
-
-    return 0;
-}
-
-#endif /* TEST */