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precautionary checks

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Originally committed as revision 4602 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2005-09-20 18:51:12 +00:00
parent 267e9dfa9d
commit 9061be9fb3
1 changed files with 6 additions and 1 deletions
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7
libavcodec/bitstream.h
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@ -53,6 +53,9 @@ typedef struct PutBitContext {
static inline void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)
{
if(buffer_size < 0)
buffer= buffer_size= 0;
s->buf = buffer;
s->buf_end = s->buf + buffer_size;
#ifdef ALT_BITSTREAM_WRITER
@ -672,7 +675,9 @@ static inline void skip_bits1(GetBitContext *s){
static inline void init_get_bits(GetBitContext *s,
const uint8_t *buffer, int bit_size)
{
const int buffer_size= (bit_size+7)>>3;
int buffer_size= (bit_size+7)>>3;
if(buffer_size < 0 || bit_size < 0)
buffer= buffer_size= bit_size= 0;
s->buffer= buffer;
s->size_in_bits= bit_size;