diff options
Diffstat (limited to 'libaf/af.h')
-rw-r--r-- | libaf/af.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/libaf/af.h b/libaf/af.h index 31991cd2c5..6f8a9d4672 100644 --- a/libaf/af.h +++ b/libaf/af.h @@ -146,7 +146,16 @@ int af_outputlen(af_stream_t* s, int len); the input length required to produce the output length "len". The calculated length is <= the actual length */ int af_inputlen(af_stream_t* s, int len); - +/* Calculate how long the input IN to the filters should be to produce + a certain output length OUT but with the following three constraints: + 1. IN <= max_insize, where max_insize is the maximum possible input + block length + 2. OUT <= max_outsize, where max_outsize is the maximum possible + output block length + 3. If possible OUT >= len. + Return -1 in case of error */ +int af_calc_insize_constrained(af_stream_t* s, int len, + int max_outsize,int max_insize); // Helper functions and macros used inside the audio filters |