1 files changed, 0 insertions, 127 deletions
diff --git a/contrib/ffmpeg/libavcodec/rangecoder.h b/contrib/ffmpeg/libavcodec/rangecoder.h
deleted file mode 100644
index 68bd3b60e..000000000
--- a/contrib/ffmpeg/libavcodec/rangecoder.h
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Range coder
- * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * 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
- *
- */
-
-/**
- * @file rangecoder.h
- * Range coder.
- */
-
-typedef struct RangeCoder{
-    int low;
-    int range;
-    int outstanding_count;
-    int outstanding_byte;
-    uint8_t zero_state[256];
-    uint8_t  one_state[256];
-    uint8_t *bytestream_start;
-    uint8_t *bytestream;
-    uint8_t *bytestream_end;
-}RangeCoder;
-
-void ff_init_range_encoder(RangeCoder *c, uint8_t *buf, int buf_size);
-void ff_init_range_decoder(RangeCoder *c, const uint8_t *buf, int buf_size);
-int ff_rac_terminate(RangeCoder *c);
-void ff_build_rac_states(RangeCoder *c, int factor, int max_p);
-
-static inline void renorm_encoder(RangeCoder *c){
-    //FIXME optimize
-    while(c->range < 0x100){
-        if(c->outstanding_byte < 0){
-            c->outstanding_byte= c->low>>8;
-        }else if(c->low <= 0xFF00){
-            *c->bytestream++ = c->outstanding_byte;
-            for(;c->outstanding_count; c->outstanding_count--)
-                *c->bytestream++ = 0xFF;
-            c->outstanding_byte= c->low>>8;
-        }else if(c->low >= 0x10000){
-            *c->bytestream++ = c->outstanding_byte + 1;
-            for(;c->outstanding_count; c->outstanding_count--)
-                *c->bytestream++ = 0x00;
-            c->outstanding_byte= (c->low>>8) & 0xFF;
-        }else{
-            c->outstanding_count++;
-        }
-
-        c->low = (c->low & 0xFF)<<8;
-        c->range <<= 8;
-    }
-}
-
-static inline void put_rac(RangeCoder *c, uint8_t * const state, int bit){
-    int range1= (c->range * (*state)) >> 8;
-
-    assert(*state);
-    assert(range1 < c->range);
-    assert(range1 > 0);
-    if(!bit){
-        c->range -= range1;
-        *state= c->zero_state[*state];
-    }else{
-        c->low += c->range - range1;
-        c->range = range1;
-        *state= c->one_state[*state];
-    }
-
-    renorm_encoder(c);
-}
-
-static inline void refill(RangeCoder *c){
-    if(c->range < 0x100){
-        c->range <<= 8;
-        c->low <<= 8;
-        if(c->bytestream < c->bytestream_end)
-            c->low+= c->bytestream[0];
-        c->bytestream++;
-    }
-}
-
-static inline int get_rac(RangeCoder *c, uint8_t * const state){
-    int range1= (c->range * (*state)) >> 8;
-    int attribute_unused one_mask;
-
-    c->range -= range1;
-#if 1
-    if(c->low < c->range){
-        *state= c->zero_state[*state];
-        refill(c);
-        return 0;
-    }else{
-        c->low -= c->range;
-        *state= c->one_state[*state];
-        c->range = range1;
-        refill(c);
-        return 1;
-    }
-#else
-    one_mask= (c->range - c->low-1)>>31;
-
-    c->low -= c->range & one_mask;
-    c->range += (range1 - c->range) & one_mask;
-
-    *state= c->zero_state[(*state) + (256&one_mask)];
-
-    refill(c);
-
-    return one_mask&1;
-#endif
-}
-