Examples of MediaDescriptor

org.videolan.jvlc.MediaDescriptor
org.zoolu.sdp.MediaDescriptor
Class MediaDescriptor handles SDP media descpriptions.
A MediaDescriptor can be part of a SessionDescriptor, and contains details that apply onto to a single media stream.
A single SessionDescriptor may convey zero or more MediaDescriptors.
In the current implementation, the MediaDescriptor consists of the m (media) and c (connection information) fields, followed by zero or more a (attribute) fields. The m field is mandatory for a MediaDescriptor.

Examples of org.videolan.jvlc.MediaDescriptor

  public void handleAudioChangedEvent(List<Audio> audio) {


  }
  
  public void setTrack(int track) {
    MediaDescriptor mediaDescriptor = new MediaDescriptor(jvlc,"steve.ts");
    //MediaDescriptor mediaDescriptor = new MediaDescriptor(jvlc, "/home/carone/apps/a.avi");
    MediaPlayer mediaInstance = mediaDescriptor.getMediaPlayer();
    
    org.videolan.jvlc.Audio audio = new org.videolan.jvlc.Audio(jvlc);
    System.out.println(audio.getTrack(mediaInstance)+" before setTrack>>>>>"+track);
    audio.setTrack(mediaInstance, track);
    System.out.println(audio.getTrack(mediaInstance)+" after setTrack>>>>>"+track);

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Examples of org.zoolu.sdp.MediaDescriptor

    public static Codec getNegotiatedAudioCodec(SessionDescriptor negotiatedSDP){
        int payloadId;
        String rtpmap;
        Codec sipCodec = null;
        
        MediaDescriptor md = negotiatedSDP.getMediaDescriptor(Codec.MEDIA_TYPE_AUDIO );
        rtpmap = md.getAttribute(Codec.ATTRIBUTE_RTPMAP).getAttributeValue();
        
        if (!rtpmap.isEmpty()) {            
            payloadId = Integer.parseInt(rtpmap.substring(0, rtpmap.indexOf(" ")));
            
            sipCodec = CodecFactory.getInstance().getSIPAudioCodec(payloadId);

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Examples of org.zoolu.sdp.MediaDescriptor

                    localSdp.getConnection(), localSdp.getTime());
            
            Vector remoteDescriptors = remoteSdp.getMediaDescriptors();
            
            for (Enumeration descriptorsEnum = remoteDescriptors.elements(); descriptorsEnum.hasMoreElements();) {                
                MediaDescriptor remoteDescriptor = (MediaDescriptor) descriptorsEnum.nextElement();
                MediaDescriptor localDescriptor = localSdp.getMediaDescriptor(remoteDescriptor.getMedia().getMedia() );
                
                if (localDescriptor != null) {                    
                    Vector remoteAttributes = remoteDescriptor.getAttributes(Codec.ATTRIBUTE_RTPMAP);
                    Vector<AttributeField> newSdpAttributes = new Vector<AttributeField>();
                    
                    for (Enumeration attributesEnum = remoteAttributes.elements(); attributesEnum.hasMoreElements();) {                        
                        AttributeField remoteAttribute = (AttributeField) attributesEnum.nextElement();
                        
                        String payloadId = getPayloadIdFromAttribute(remoteAttribute);
                        
                        if ("".equals(payloadId)) {                            
                            log.error("Payload id not found on attribute: Name = [" + 
                                    remoteAttribute.getAttributeName() + "], Value = [" + 
                                    remoteAttribute.getAttributeValue() + "]." );
                        } else if (findAttributeByPayloadId(remoteAttribute.getAttributeName(), 
                            payloadId, localDescriptor) != null) {                            
                            newSdpAttributes.add(remoteAttribute);
                        }
                    }
                    
                    // Calculate the format list to be used on MediaDescriptor creation.
                    String formatList = getFormatList(newSdpAttributes);
                    
                    for (Enumeration attributesEnum = newSdpAttributes.elements(); attributesEnum.hasMoreElements();) {                        
                        AttributeField mediaAttribute = (AttributeField) attributesEnum.nextElement();
                        
                        if (newSdp.getMediaDescriptors().size() == 0) {  
                          MediaField mf = new MediaField(localDescriptor.getMedia().getMedia(), 
                                                localDescriptor.getMedia().getPort(), 
                                                0, localDescriptor.getMedia().getTransport(), 
                                                formatList); 
                            newSdp.addMediaDescriptor(new MediaDescriptor(mf, localDescriptor.getConnection()));
                        }
                        
                        newSdp.getMediaDescriptor(localDescriptor.getMedia().getMedia()).addAttribute( mediaAttribute );
                    }
                }
            }
        } catch (Exception exception) {            
            log.error("Failure creating initial SDP: " + exception.toString());

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Examples of org.zoolu.sdp.MediaDescriptor

            }
            
            Vector remoteDescriptors = remoteSdp.getMediaDescriptors();
            
            for (Enumeration descriptorsEnum = remoteDescriptors.elements(); descriptorsEnum.hasMoreElements();) {                
                MediaDescriptor remoteDescriptor = (MediaDescriptor) descriptorsEnum.nextElement();
                MediaDescriptor localDescriptor = localSdp.getMediaDescriptor(remoteDescriptor.getMedia().getMedia());
                
                if (localDescriptor != null) {                    
                    // First we make the negotiation of remote attributes with 
                    // local ones to generate the new SDP "newSdp".
                    
                    Vector remoteAttributes = remoteDescriptor.getAttributes();
                    
                    for (Enumeration atributesEnum = remoteAttributes.elements(); atributesEnum.hasMoreElements();) {                        
                        AttributeField remoteAttribute = (AttributeField) atributesEnum.nextElement();                        
                        makeAttributeNegotiation(newSdp, localDescriptor, remoteAttribute);
                    }
                    
                    // Now we add to "newSdp" all the local attributes that 
                    // were not negotiated yet.
                    
                    Vector localAttributes = localDescriptor.getAttributes();
                    
                    for (Enumeration atributesEnum = localAttributes.elements(); atributesEnum.hasMoreElements();) {                        
                        AttributeField localAttribute = (AttributeField) atributesEnum.nextElement();
                        MediaDescriptor newLocalDescriptor = newSdp.getMediaDescriptor(localDescriptor.getMedia().getMedia());
                        
                        if (isPayloadRelatedAttribute(localAttribute)) {                            
                            String payloadId = getPayloadIdFromAttribute(localAttribute);
                            
                            if (findAttributeByPayloadId(localAttribute.getAttributeName(), 
                                              payloadId, newLocalDescriptor) == null) {                                
                                newLocalDescriptor.addAttribute(localAttribute);
                            }
                        } else if (newLocalDescriptor.getAttribute(localAttribute.getAttributeName()) == null) {                            
                            newLocalDescriptor.addAttribute(localAttribute);
                        }
                    }
                }
            }
        } catch (Exception exception) {

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Examples of org.zoolu.sdp.MediaDescriptor

                        String attributeValueResult = sipCodec.codecNegotiateAttribute(remoteAttribute.getAttributeName(), 
                                          localAttibuteValue, remoteAttribute.getAttributeValue());
                        
                        if ((attributeValueResult != null) && (!"".equals(attributeValueResult))) { 
                          AttributeField af = new AttributeField(remoteAttribute.getAttributeName(), attributeValueResult);
                          MediaDescriptor md = newSdp.getMediaDescriptor(localMedia.getMedia().getMedia());
                            md.addAttribute(af);
                        }
                    } else {                        
                        log.warn("Codec not found!");
                    }
                }

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Examples of org.zoolu.sdp.MediaDescriptor

    
  public static int getRemoteAudioPort(SessionDescriptor remoteSdp) {
      int remoteAudioPort = 0;


        for (Enumeration e = remoteSdp.getMediaDescriptors().elements(); e.hasMoreElements();) {
            MediaDescriptor descriptor = (MediaDescriptor) e.nextElement();
            MediaField media = descriptor.getMedia();


            if (media.getMedia().equals("audio")) {
                remoteAudioPort = media.getPort();
            }
        }

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Examples of org.zoolu.sdp.MediaDescriptor

    public static Codec getNegotiatedAudioCodec(SessionDescriptor negotiatedSDP){
        int payloadId;
        String rtpmap;
        Codec sipCodec = null;
        
        MediaDescriptor md = negotiatedSDP.getMediaDescriptor(Codec.MEDIA_TYPE_AUDIO );
        rtpmap = md.getAttribute(Codec.ATTRIBUTE_RTPMAP).getAttributeValue();
        
        if (!rtpmap.isEmpty()) {            
            payloadId = Integer.parseInt(rtpmap.substring(0, rtpmap.indexOf(" ")));
            
            sipCodec = CodecFactory.getInstance().getSIPAudioCodec(payloadId);

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Examples of org.zoolu.sdp.MediaDescriptor

                    localSdp.getConnection(), localSdp.getTime());
            
            Vector remoteDescriptors = remoteSdp.getMediaDescriptors();
            
            for (Enumeration descriptorsEnum = remoteDescriptors.elements(); descriptorsEnum.hasMoreElements();) {                
                MediaDescriptor remoteDescriptor = (MediaDescriptor) descriptorsEnum.nextElement();
                MediaDescriptor localDescriptor = localSdp.getMediaDescriptor(remoteDescriptor.getMedia().getMedia() );
                
                if (localDescriptor != null) {                    
                    Vector remoteAttributes = remoteDescriptor.getAttributes(Codec.ATTRIBUTE_RTPMAP);
                    Vector newSdpAttributes = new Vector();
                    
                    for (Enumeration attributesEnum = remoteAttributes.elements(); attributesEnum.hasMoreElements();) {                        
                        AttributeField remoteAttribute = (AttributeField) attributesEnum.nextElement();
                        
                        String payloadId = getPayloadIdFromAttribute(remoteAttribute);
                        
                        if ("".equals(payloadId)) {                            
                            log.error("Payload id not found on attribute: Name = [" + 
                                    remoteAttribute.getAttributeName() + "], Value = [" + 
                                    remoteAttribute.getAttributeValue() + "]." );
                        } else if (findAttributeByPayloadId(remoteAttribute.getAttributeName(), 
                            payloadId, localDescriptor) != null) {                            
                            newSdpAttributes.add(remoteAttribute);
                        }
                    }
                    
                    // Calculate the format list to be used on MediaDescriptor creation.
                    String formatList = getFormatList(newSdpAttributes);
                    
                    for (Enumeration attributesEnum = newSdpAttributes.elements(); attributesEnum.hasMoreElements();) {                        
                        AttributeField mediaAttribute = (AttributeField) attributesEnum.nextElement();
                        
                        if (newSdp.getMediaDescriptors().size() == 0) {  
                          MediaField mf = new MediaField(localDescriptor.getMedia().getMedia(), 
                                                localDescriptor.getMedia().getPort(), 
                                                0, localDescriptor.getMedia().getTransport(), 
                                                formatList); 
                            newSdp.addMediaDescriptor(new MediaDescriptor(mf, localDescriptor.getConnection()));
                        }
                        
                        newSdp.getMediaDescriptor(localDescriptor.getMedia().getMedia()).addAttribute( mediaAttribute );
                    }
                }
            }
        } catch (Exception exception) {            
            log.error("Failure creating initial SDP: " + exception.toString());

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Examples of org.zoolu.sdp.MediaDescriptor

            }
            
            Vector remoteDescriptors = remoteSdp.getMediaDescriptors();
            
            for (Enumeration descriptorsEnum = remoteDescriptors.elements(); descriptorsEnum.hasMoreElements();) {                
                MediaDescriptor remoteDescriptor = (MediaDescriptor) descriptorsEnum.nextElement();
                MediaDescriptor localDescriptor = localSdp.getMediaDescriptor(remoteDescriptor.getMedia().getMedia());
                
                if (localDescriptor != null) {                    
                    // First we make the negotiation of remote attributes with 
                    // local ones to generate the new SDP "newSdp".
                    
                    Vector remoteAttributes = remoteDescriptor.getAttributes();
                    
                    for (Enumeration atributesEnum = remoteAttributes.elements(); atributesEnum.hasMoreElements();) {                        
                        AttributeField remoteAttribute = (AttributeField) atributesEnum.nextElement();                        
                        makeAttributeNegotiation(newSdp, localDescriptor, remoteAttribute);
                    }
                    
                    // Now we add to "newSdp" all the local attributes that 
                    // were not negotiated yet.
                    
                    Vector localAttributes = localDescriptor.getAttributes();
                    
                    for (Enumeration atributesEnum = localAttributes.elements(); atributesEnum.hasMoreElements();) {                        
                        AttributeField localAttribute = (AttributeField) atributesEnum.nextElement();
                        MediaDescriptor newLocalDescriptor = newSdp.getMediaDescriptor(localDescriptor.getMedia().getMedia());
                        
                        if (isPayloadRelatedAttribute(localAttribute)) {                            
                            String payloadId = getPayloadIdFromAttribute(localAttribute);
                            
                            if (findAttributeByPayloadId(localAttribute.getAttributeName(), 
                                              payloadId, newLocalDescriptor) == null) {                                
                                newLocalDescriptor.addAttribute(localAttribute);
                            }
                        } else if (newLocalDescriptor.getAttribute(localAttribute.getAttributeName()) == null) {                            
                            newLocalDescriptor.addAttribute(localAttribute);
                        }
                    }
                }
            }
        } catch (Exception exception) {

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Examples of org.zoolu.sdp.MediaDescriptor

                        String attributeValueResult = sipCodec.codecNegotiateAttribute(remoteAttribute.getAttributeName(), 
                                          localAttibuteValue, remoteAttribute.getAttributeValue());
                        
                        if ((attributeValueResult != null) && (!"".equals(attributeValueResult))) { 
                          AttributeField af = new AttributeField(remoteAttribute.getAttributeName(), attributeValueResult);
                          MediaDescriptor md = newSdp.getMediaDescriptor(localMedia.getMedia().getMedia());
                            md.addAttribute(af);
                        }
                    } else {                        
                        log.warn("Codec not found!");
                    }
                }

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