Removing unused code

Originally committed as revision 7228 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/h264.c

@@ -1794,81 +1794,6 @@ static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *c
     return dst;
 }
 
-#if 0
-/**
- * @param src the data which should be escaped
- * @param dst the target buffer, dst+1 == src is allowed as a special case
- * @param length the length of the src data
- * @param dst_length the length of the dst array
- * @returns length of escaped data in bytes or -1 if an error occured
- */
-static int encode_nal(H264Context *h, uint8_t *dst, uint8_t *src, int length, int dst_length){
-    int i, escape_count, si, di;
-    uint8_t *temp;
-
-    assert(length>=0);
-    assert(dst_length>0);
-
-    dst[0]= (h->nal_ref_idc<<5) + h->nal_unit_type;
-
-    if(length==0) return 1;
-
-    escape_count= 0;
-    for(i=0; i<length; i+=2){
-        if(src[i]) continue;
-        if(i>0 && src[i-1]==0)
-            i--;
-        if(i+2<length && src[i+1]==0 && src[i+2]<=3){
-            escape_count++;
-            i+=2;
-        }
-    }
-
-    if(escape_count==0){
-        if(dst+1 != src)
-            memcpy(dst+1, src, length);
-        return length + 1;
-    }
-
-    if(length + escape_count + 1> dst_length)
-        return -1;
-
-    //this should be damn rare (hopefully)
-
-    h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length + escape_count);
-    temp= h->rbsp_buffer;
-//printf("encoding esc\n");
-
-    si= 0;
-    di= 0;
-    while(si < length){
-        if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
-            temp[di++]= 0; si++;
-            temp[di++]= 0; si++;
-            temp[di++]= 3;
-            temp[di++]= src[si++];
-        }
-        else
-            temp[di++]= src[si++];
-    }
-    memcpy(dst+1, temp, length+escape_count);
-
-    assert(di == length+escape_count);
-
-    return di + 1;
-}
-
-/**
- * write 1,10,100,1000,... for alignment, yes its exactly inverse to mpeg4
- */
-static void encode_rbsp_trailing(PutBitContext *pb){
-    int length;
-    put_bits(pb, 1, 1);
-    length= (-put_bits_count(pb))&7;
-    if(length) put_bits(pb, length, 0);
-}
-#endif
-
 /**
  * identifies the exact end of the bitstream
  * @return the length of the trailing, or 0 if damaged