diff options
| author | Benny Prijono <bennylp@teluu.com> | 2006-02-25 21:15:49 +0000 |
|---|---|---|
| committer | Benny Prijono <bennylp@teluu.com> | 2006-02-25 21:15:49 +0000 |
| commit | 478d2bc6e45a2dc66472bb577a77537ea97fac5d (patch) | |
| tree | 118a6e71af8bdd3b1b26914ed8814945e20a6d14 /pjmedia/include | |
| parent | e5290641d50566a9aff8eae9bec8d585f79077de (diff) | |
Fixed echo in conference, and add ability to shrink buffer in jitter buffer
git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@229 74dad513-b988-da41-8d7b-12977e46ad98
Diffstat (limited to 'pjmedia/include')
| -rw-r--r-- | pjmedia/include/pjmedia/silencedet.h | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/pjmedia/include/pjmedia/silencedet.h b/pjmedia/include/pjmedia/silencedet.h index 91da8597..f251c082 100644 --- a/pjmedia/include/pjmedia/silencedet.h +++ b/pjmedia/include/pjmedia/silencedet.h @@ -85,6 +85,25 @@ PJ_DECL(pj_status_t) pjmedia_silence_det_disable( pjmedia_silence_det *sd ); /** + * Perform voice activity detection on the given input samples. This + * function uses #pjmedia_calc_avg_signal() and #pjmedia_silence_det_apply() + * for its calculation. + * + * @param sd The silence detector instance. + * @param samples Pointer to 16-bit PCM input samples. + * @param count Number of samples in the input. + * @param p_level Optional pointer to receive average signal level + * of the input samples. + * + * @return PJ_SUCCESS on success. + */ +PJ_DECL(pj_bool_t) pjmedia_silence_det_detect( pjmedia_silence_det *sd, + const pj_int16_t samples[], + pj_size_t count, + pj_int32_t *p_level); + + +/** * Calculate average signal level for the given samples. * * @param samples Pointer to 16-bit PCM samples. @@ -93,25 +112,22 @@ PJ_DECL(pj_status_t) pjmedia_silence_det_disable( pjmedia_silence_det *sd ); * @return The average signal level, which simply is total level * divided by number of samples. */ -PJ_DECL(pj_int32_t) pjmedia_silence_det_calc_avg_signal( const pj_int16_t samples[], - pj_size_t count ); +PJ_DECL(pj_int32_t) pjmedia_calc_avg_signal( const pj_int16_t samples[], + pj_size_t count ); + /** - * Perform voice activity detection on the given input samples. + * Perform voice activity detection, given the specified average signal + * level. * * @param sd The silence detector instance. - * @param samples Pointer to 16-bit PCM input samples. - * @param count Number of samples in the input. - * @param p_level Optional pointer to receive average signal level - * of the input samples. + * @param level Signal level. * * @return PJ_SUCCESS on success. */ -PJ_DECL(pj_bool_t) pjmedia_silence_det_detect_silence( pjmedia_silence_det *sd, - const pj_int16_t samples[], - pj_size_t count, - pj_int32_t *p_level); +PJ_DECL(pj_bool_t) pjmedia_silence_det_apply( pjmedia_silence_det *sd, + pj_uint32_t level); PJ_END_DECL |