diff options
Diffstat (limited to 'libavcodec/rangecoder.h')
-rw-r--r-- | libavcodec/rangecoder.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libavcodec/rangecoder.h b/libavcodec/rangecoder.h index 4495f6df1a..4d4ca4d526 100644 --- a/libavcodec/rangecoder.h +++ b/libavcodec/rangecoder.h @@ -57,6 +57,15 @@ void ff_init_range_decoder(RangeCoder *c, const uint8_t *buf, int buf_size); */ int ff_rac_terminate(RangeCoder *c, int version); +/** + * Check if at the current position there is a valid looking termination + * @param version version 0 requires the decoder to know the data size in bytes + * version 1 needs about 1 bit more space but does not need to + * carry the size from encoder to decoder + * @returns negative AVERROR code on error or non negative. + */ +int ff_rac_check_termination(RangeCoder *c, int version); + void ff_build_rac_states(RangeCoder *c, int factor, int max_p); static inline void renorm_encoder(RangeCoder *c) |