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Removing unused code

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Originally committed as revision 7228 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Panagiotis Issaris
2006-12-05 22:05:09 +00:00
parent ea9f5d6f76
commit 3ee5c5b739
1 changed files with 0 additions and 75 deletions
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75
libavcodec/h264.c
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@@ -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