Decode current MPEG frame to internal buffer.
Warning: This is experimental API that might change in future releases!
Please watch mpg123 development closely when using it.
\param mh handle
\param num last frame offset gets stored there
\param audio this pointer is set to the internal buffer to read the decoded audio from.
\param bytes number of output bytes ready in the buffer
\return MPG123_OK or error/message code
Decode current MPEG frame to internal buffer. Warning: This is experimental API that might change in future releases! Please watch mpg123 development closely when using it. \param mh handle \param num last frame offset gets stored there \param audio this pointer is set to the internal buffer to read the decoded audio from. \param bytes number of output bytes ready in the buffer \return MPG123_OK or error/message code