Seek to a desired sample offset in data feeding mode.
* This just prepares things to be right only if you ensure that the next chunk of input data will be from input_offset byte position.
* \param mh handle
* \param sampleoff offset in PCM samples
* \param whence one of SEEK_SET, SEEK_CUR or SEEK_END
* \param input_offset The position it expects to be at the
* next time data is fed to mpg123_decode().
* \return The resulting offset >= 0 or error/message code
Seek to a desired sample offset in data feeding mode. * This just prepares things to be right only if you ensure that the next chunk of input data will be from input_offset byte position. * \param mh handle * \param sampleoff offset in PCM samples * \param whence one of SEEK_SET, SEEK_CUR or SEEK_END * \param input_offset The position it expects to be at the * next time data is fed to mpg123_decode(). * \return The resulting offset >= 0 or error/message code