diff options
Diffstat (limited to 'include/dahdi')
| -rw-r--r-- | include/dahdi/dahdi_config.h | 7 | ||||
| -rw-r--r-- | include/dahdi/kernel.h | 9 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/dahdi/dahdi_config.h b/include/dahdi/dahdi_config.h index b0592f3..d304b6e 100644 --- a/include/dahdi/dahdi_config.h +++ b/include/dahdi/dahdi_config.h @@ -126,6 +126,13 @@ */ /* #define CONFIG_DAHDI_NO_ECHOCAN_DISABLE */ +/* + * Define if you would like to allow software echocans to process the tx audio + * in addition to the rx audio. Used for things like DC removal. + * + */ +/* #define CONFIG_DAHDI_ECHOCAN_PROCESS_TX */ + /* * Uncomment if you happen have an early TDM400P Rev H which * sometimes forgets its PCI ID to have wcfxs match essentially all diff --git a/include/dahdi/kernel.h b/include/dahdi/kernel.h index b7b2c02..6edddbd 100644 --- a/include/dahdi/kernel.h +++ b/include/dahdi/kernel.h @@ -257,6 +257,15 @@ struct dahdi_echocan_ops { * \return Nothing. */ void (*echocan_NLP_toggle)(struct dahdi_echocan_state *ec, unsigned int enable); + +#ifdef CONFIG_DAHDI_ECHOCAN_PROCESS_TX + /*! \brief Process an array of TX audio samples. + * + * \return Nothing. + */ + void (*echocan_process_tx)(struct dahdi_echocan_state *ec, + short *tx, u32 size); +#endif }; /*! A factory for creating instances of software echo cancelers to be used on DAHDI channels. */ |