Changeset 2676 for pjproject/trunk/pjlib/include/pj/config_site_sample.h

Timestamp:

May 6, 2009 3:37:47 PM (15 years ago)

Author:

nanang

Message:

Ticket #818:

• Added libresample.mmp
• Modified config_site_sample.h to enable resampling with small filter on Symbian platforms.

File:

• pjproject/trunk/pjlib/include/pj/config_site_sample.h (modified) (2 diffs)

pjproject/trunk/pjlib/include/pj/config_site_sample.h

@@ -134 +134 @@
     #define PJMEDIA_HAS_SPEEX_AEC               0
 
-    /* Shouldn't use resampling for performance reason too. */
-    #define PJMEDIA_RESAMPLE_IMP                PJMEDIA_RESAMPLE_NONE
+    /* Previously, resampling is disabled due to performance reason and
+     * this condition prevented some 'light' wideband codecs (e.g: G722.1)
+     * to work along with narrowband codecs. Lately, some tests showed
+     * that 16kHz <-> 8kHz resampling using libresample small filter was 
+     * affordable on ARM9 222 MHz, so here we decided to enable resampling.
+     * Note that it is important to make sure that libresample is created
+     * using small filter. For example PJSUA_DEFAULT_CODEC_QUALITY must
+     * be set to 3 or 4 so pjsua-lib will apply small filter resampling.
+     */
+    //#define PJMEDIA_RESAMPLE_IMP              PJMEDIA_RESAMPLE_NONE
+    #define PJMEDIA_RESAMPLE_IMP                PJMEDIA_RESAMPLE_LIBRESAMPLE
 
     /* Use the lighter WSOLA implementation */
@@ -173 +182 @@
      */
 
-    /* Default codec quality */
-    #define PJSUA_DEFAULT_CODEC_QUALITY         5
+    /* Default codec quality, previously was set to 5, however it is now
+     * set to 4 to make sure pjsua instantiates resampler with small filter.
+     */
+    #define PJSUA_DEFAULT_CODEC_QUALITY         4
 
     /* Set maximum number of dialog/transaction/calls to minimum */