Changeset 4685 for pjproject

Timestamp:

Dec 5, 2013 10:53:12 AM (11 years ago)

Author:

nanang

Message:

Re #1519: Added typecast methods for AudioMedia? & its descendants, as Python cannot downcast among C++ classes, e.g: Media to AudioMedia?.

Location:

pjproject/branches/projects/pjsua2/pjsip

Files:

• include/pjsua2/media.hpp (modified) (3 diffs)
• src/pjsua2/media.cpp (modified) (3 diffs)

pjproject/branches/projects/pjsua2/pjsip/include/pjsua2/media.hpp

@@ -262 +262 @@
 
     /**
+     * Typecast from base class Media. This is useful for application written
+     * in language that does not support downcasting such as Python.
+     *
+     * @param media             The object to be downcasted
+     *
+     * @return                  The object as AudioMedia instance
+     */
+    static AudioMedia* typecastFromMedia(Media *media);
+
+    /**
      * Virtual Destructor
      */
@@ -351 +361 @@
      */
     void setPos(pj_uint32_t samples) throw(Error);
+
+    /**
+     * Typecast from base class AudioMedia. This is useful for application
+     * written in language that does not support downcasting such as Python.
+     *
+     * @param media             The object to be downcasted
+     *
+     * @return                  The object as AudioMediaPlayer instance
+     */
+    static AudioMediaPlayer* typecastFromAudioMedia(AudioMedia *media);
 
     /**
@@ -398 +418 @@
 
     /**
+     * Typecast from base class AudioMedia. This is useful for application
+     * written in language that does not support downcasting such as Python.
+     *
+     * @param media             The object to be downcasted
+     *
+     * @return                  The object as AudioMediaRecorder instance
+     */
+    static AudioMediaRecorder* typecastFromAudioMedia(AudioMedia *media);
+
+    /**
      * Virtual destructor.
      */

pjproject/branches/projects/pjsua2/pjsip/src/pjsua2/media.cpp

@@ -233 +233 @@
 }
 
+AudioMedia* AudioMedia::typecastFromMedia(Media *media)
+{
+    return static_cast<AudioMedia*>(media);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -296 +301 @@
 {
     PJSUA2_CHECK_EXPR( pjsua_player_set_pos(playerId, samples) );
+}
+
+AudioMediaPlayer* AudioMediaPlayer::typecastFromAudioMedia(
+                                                AudioMedia *media)
+{
+    return static_cast<AudioMediaPlayer*>(media);
 }
 
@@ -333 +344 @@
     registerMediaPort(NULL);
 }
+
+AudioMediaRecorder* AudioMediaRecorder::typecastFromAudioMedia(
+                                                AudioMedia *media)
+{
+    return static_cast<AudioMediaRecorder*>(media);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 void AudioDevInfo::fromPj(const pjmedia_aud_dev_info &dev_info)