Fill the provided buffer with a string containing a timestamp time
representation.
@param buf a buffer with size in bytes of at least AV_TS_MAX_STRING_SIZE
@param ts the timestamp to represent
@param tb the timebase of the timestamp
@return the buffer in input
Fill the provided buffer with a string containing a timestamp time representation.
@param buf a buffer with size in bytes of at least AV_TS_MAX_STRING_SIZE @param ts the timestamp to represent @param tb the timebase of the timestamp @return the buffer in input