* \param mute true to mute, false to unmute
* \warning A stream may or may not have been started when called.
*/
- int (*device_enum)(audio_output_t *, char ***ids, char ***names);
- /**< Enumerates available audio output devices (optional, may be NULL).
- * \param ids pointer to a heap-allocated table of heap-allocated
- * nul-terminated device unique identifiers [OUT]
- * \param names pointer to a heap-allocated table of heap-allocated
- * nul-terminated device human-readable names [OUT]
- * \return The number of entries, or -1 on error.
- * \warning A stream may or may not have been started when called.
- */
int (*device_select)(audio_output_t *, const char *id);
/**< Selects an audio output device (optional, may be NULL).
* \param id nul-terminated device unique identifier.