diff options
Diffstat (limited to 'pjmedia/include/pjmedia/delaybuf.h')
| -rw-r--r-- | pjmedia/include/pjmedia/delaybuf.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/pjmedia/include/pjmedia/delaybuf.h b/pjmedia/include/pjmedia/delaybuf.h index 9dcad5ee..09b01bbb 100644 --- a/pjmedia/include/pjmedia/delaybuf.h +++ b/pjmedia/include/pjmedia/delaybuf.h @@ -64,6 +64,19 @@ PJ_BEGIN_DECL typedef struct pjmedia_delay_buf pjmedia_delay_buf; /** + * Delay buffer options. + */ +typedef enum pjmedia_delay_buf_flag +{ + /** + * Use simple FIFO mechanism for the delay buffer, i.e. + * without WSOLA for expanding and shrinking audio samples. + */ + PJMEDIA_DELAY_BUF_SIMPLE_FIFO = 1 + +} pjmedia_delay_buf_flag; + +/** * Create the delay buffer. Once the delay buffer is created, it will * enter learning state unless the delay argument is specified, which * in this case it will directly enter the running state. @@ -79,7 +92,12 @@ typedef struct pjmedia_delay_buf pjmedia_delay_buf; * in ms, if this value is negative or less than * one frame time, default maximum delay used is * 400 ms. - * @param options Option flags, must be zero for now. + * @param options Options. If PJMEDIA_DELAY_BUF_SIMPLE_FIFO is + * specified, then a simple FIFO mechanism + * will be used instead of the adaptive + * implementation (which uses WSOLA to expand + * or shrink audio samples). + * See #pjmedia_delay_buf_flag for other options. * @param p_b Pointer to receive the delay buffer instance. * * @return PJ_SUCCESS if the delay buffer has been |