eden-emu/opus
19
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Implemented "raw bits"

Browse source 
Making it so all the information encoded directly with ec_enc_bits() gets
stored at the end of the stream, without going through the range coder. This
should be both faster and reduce the effects of bit errors.

Conflicts:

	tests/ectest.c
This commit is contained in:
Jean-Marc Valin 2009-06-17 23:23:46 -04:00
parent 8d940a664e
commit c08be4485b
9 changed files with 101 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

17
libcelt/entenc.c
View file

@ -42,14 +42,16 @@
void ec_byte_writeinit_buffer(ec_byte_buffer *_b, unsigned char *_buf, long _size){
_b->ptr=_b->buf=_buf;
_b->end_ptr=_b->buf+_size-1;
_b->storage=_size;
_b->resizable = 0;
_b->resizable=0;
}
void ec_byte_writeinit(ec_byte_buffer *_b){
_b->ptr=_b->buf=celt_alloc(EC_BUFFER_INCREMENT*sizeof(char));
_b->storage=EC_BUFFER_INCREMENT;
_b->resizable = 1;
_b->end_ptr=_b->buf;
_b->resizable=1;
}
void ec_byte_writetrunc(ec_byte_buffer *_b,long _bytes){
@ -71,6 +73,14 @@ void ec_byte_write1(ec_byte_buffer *_b,unsigned _value){
*(_b->ptr++)=(unsigned char)_value;
}
void ec_byte_write_at_end(ec_byte_buffer *_b,unsigned _value){
if (_b->end_ptr < _b->ptr)
{
celt_fatal("byte buffer collision");
}
*(_b->end_ptr--)=(unsigned char)_value;
}
void ec_byte_write4(ec_byte_buffer *_b,ec_uint32 _value){
ptrdiff_t endbyte;
endbyte=_b->ptr-_b->buf;
@ -109,7 +119,8 @@ void ec_byte_writecopy(ec_byte_buffer *_b,void *_source,long _bytes){
}
void ec_byte_writeclear(ec_byte_buffer *_b){
celt_free(_b->buf);
if (_b->resizable)
celt_free(_b->buf);
}