Changeset 229 for pjproject/trunk/pjmedia/include/pjmedia/silencedet.h

Timestamp:

Feb 25, 2006 9:15:49 PM (18 years ago)

Author:

bennylp

Message:

Fixed echo in conference, and add ability to shrink buffer in jitter buffer

File:

• pjproject/trunk/pjmedia/include/pjmedia/silencedet.h (modified) (2 diffs)

pjproject/trunk/pjmedia/include/pjmedia/silencedet.h

@@ -86 +86 @@
 
 /**
- * Calculate average signal level for the given samples.
- *
- * @param samples       Pointer to 16-bit PCM samples.
- * @param count         Number of samples in the input.
- *
- * @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 );
-
-
-/**
- * Perform voice activity detection on the given input samples.
+ * 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.
@@ -109 +98 @@
  * @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_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.
+ * @param count         Number of samples in the input.
+ *
+ * @return              The average signal level, which simply is total level
+ *                      divided by number of samples.
+ */
+PJ_DECL(pj_int32_t) pjmedia_calc_avg_signal( const pj_int16_t samples[],
+                                             pj_size_t count );
+
+
+
+/**
+ * Perform voice activity detection, given the specified average signal
+ * level.
+ *
+ * @param sd            The silence detector instance.
+ * @param level         Signal level.
+ *
+ * @return              PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_bool_t) pjmedia_silence_det_apply( pjmedia_silence_det *sd,
+                                              pj_uint32_t level);