/** * Creates the video advanced settings. * * @return video advanced settings panel. */ private static Component createVideoAdvancedSettings() { ResourceManagementService resources = NeomediaActivator.getResources(); final DeviceConfiguration deviceConfig = mediaService.getDeviceConfiguration(); TransparentPanel centerPanel = new TransparentPanel(new GridBagLayout()); centerPanel.setMaximumSize(new Dimension(WIDTH, 150)); JButton resetDefaultsButton = new JButton(resources.getI18NString("impl.media.configform.VIDEO_RESET")); JPanel resetButtonPanel = new TransparentPanel(new FlowLayout(FlowLayout.RIGHT)); resetButtonPanel.add(resetDefaultsButton); final JPanel centerAdvancedPanel = new TransparentPanel(new BorderLayout()); centerAdvancedPanel.add(centerPanel, BorderLayout.NORTH); centerAdvancedPanel.add(resetButtonPanel, BorderLayout.SOUTH); GridBagConstraints constraints = new GridBagConstraints(); constraints.fill = GridBagConstraints.HORIZONTAL; constraints.anchor = GridBagConstraints.NORTHWEST; constraints.insets = new Insets(5, 5, 0, 0); constraints.gridx = 0; constraints.weightx = 0; constraints.weighty = 0; constraints.gridy = 0; centerPanel.add( new JLabel(resources.getI18NString("impl.media.configform.VIDEO_RESOLUTION")), constraints); constraints.gridy = 1; constraints.insets = new Insets(0, 0, 0, 0); final JCheckBox frameRateCheck = new SIPCommCheckBox(resources.getI18NString("impl.media.configform.VIDEO_FRAME_RATE")); centerPanel.add(frameRateCheck, constraints); constraints.gridy = 2; constraints.insets = new Insets(5, 5, 0, 0); centerPanel.add( new JLabel(resources.getI18NString("impl.media.configform.VIDEO_PACKETS_POLICY")), constraints); constraints.weightx = 1; constraints.gridx = 1; constraints.gridy = 0; constraints.insets = new Insets(5, 0, 0, 5); Object[] resolutionValues = new Object[DeviceConfiguration.SUPPORTED_RESOLUTIONS.length + 1]; System.arraycopy( DeviceConfiguration.SUPPORTED_RESOLUTIONS, 0, resolutionValues, 1, DeviceConfiguration.SUPPORTED_RESOLUTIONS.length); final JComboBox sizeCombo = new JComboBox(resolutionValues); sizeCombo.setRenderer(new ResolutionCellRenderer()); sizeCombo.setEditable(false); centerPanel.add(sizeCombo, constraints); // default value is 20 final JSpinner frameRate = new JSpinner(new SpinnerNumberModel(20, 5, 30, 1)); frameRate.addChangeListener( new ChangeListener() { public void stateChanged(ChangeEvent e) { deviceConfig.setFrameRate( ((SpinnerNumberModel) frameRate.getModel()).getNumber().intValue()); } }); constraints.gridy = 1; constraints.insets = new Insets(0, 0, 0, 5); centerPanel.add(frameRate, constraints); frameRateCheck.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { if (frameRateCheck.isSelected()) { deviceConfig.setFrameRate( ((SpinnerNumberModel) frameRate.getModel()).getNumber().intValue()); } else // unlimited framerate deviceConfig.setFrameRate(-1); frameRate.setEnabled(frameRateCheck.isSelected()); } }); final JSpinner videoMaxBandwidth = new JSpinner( new SpinnerNumberModel(deviceConfig.getVideoMaxBandwidth(), 1, Integer.MAX_VALUE, 1)); videoMaxBandwidth.addChangeListener( new ChangeListener() { public void stateChanged(ChangeEvent e) { deviceConfig.setVideoMaxBandwidth( ((SpinnerNumberModel) videoMaxBandwidth.getModel()).getNumber().intValue()); } }); constraints.gridx = 1; constraints.gridy = 2; constraints.insets = new Insets(0, 0, 5, 5); centerPanel.add(videoMaxBandwidth, constraints); resetDefaultsButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { // reset to defaults sizeCombo.setSelectedIndex(0); frameRateCheck.setSelected(false); frameRate.setEnabled(false); frameRate.setValue(20); // unlimited framerate deviceConfig.setFrameRate(-1); videoMaxBandwidth.setValue(DeviceConfiguration.DEFAULT_VIDEO_MAX_BANDWIDTH); } }); // load selected value or auto Dimension videoSize = deviceConfig.getVideoSize(); if ((videoSize.getHeight() != DeviceConfiguration.DEFAULT_VIDEO_HEIGHT) && (videoSize.getWidth() != DeviceConfiguration.DEFAULT_VIDEO_WIDTH)) sizeCombo.setSelectedItem(deviceConfig.getVideoSize()); else sizeCombo.setSelectedIndex(0); sizeCombo.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { Dimension selectedVideoSize = (Dimension) sizeCombo.getSelectedItem(); if (selectedVideoSize == null) { // the auto value, default one selectedVideoSize = new Dimension( DeviceConfiguration.DEFAULT_VIDEO_WIDTH, DeviceConfiguration.DEFAULT_VIDEO_HEIGHT); } deviceConfig.setVideoSize(selectedVideoSize); } }); frameRateCheck.setSelected( deviceConfig.getFrameRate() != DeviceConfiguration.DEFAULT_VIDEO_FRAMERATE); frameRate.setEnabled(frameRateCheck.isSelected()); if (frameRate.isEnabled()) frameRate.setValue(deviceConfig.getFrameRate()); return centerAdvancedPanel; }
/** * Initializes a new <tt>SRTPTransformer</tt> instance with a specific (negotiated) * <tt>SRTPProtectionProfile</tt> and the keying material specified by a specific * <tt>TlsContext</tt>. * * @param srtpProtectionProfile the (negotiated) <tt>SRTPProtectionProfile</tt> to initialize the * new instance with * @param tlsContext the <tt>TlsContext</tt> which represents the keying material * @return a new <tt>SRTPTransformer</tt> instance initialized with <tt>srtpProtectionProfile</tt> * and <tt>tlsContext</tt> */ private SinglePacketTransformer initializeSRTPTransformer( int srtpProtectionProfile, TlsContext tlsContext) { boolean rtcp; switch (componentID) { case Component.RTCP: rtcp = true; break; case Component.RTP: rtcp = false; break; default: throw new IllegalStateException("componentID"); } int cipher_key_length; int cipher_salt_length; int cipher; int auth_function; int auth_key_length; int RTCP_auth_tag_length, RTP_auth_tag_length; switch (srtpProtectionProfile) { case SRTPProtectionProfile.SRTP_AES128_CM_HMAC_SHA1_32: cipher_key_length = 128 / 8; cipher_salt_length = 112 / 8; cipher = SRTPPolicy.AESCM_ENCRYPTION; auth_function = SRTPPolicy.HMACSHA1_AUTHENTICATION; auth_key_length = 160 / 8; RTCP_auth_tag_length = 80 / 8; RTP_auth_tag_length = 32 / 8; break; case SRTPProtectionProfile.SRTP_AES128_CM_HMAC_SHA1_80: cipher_key_length = 128 / 8; cipher_salt_length = 112 / 8; cipher = SRTPPolicy.AESCM_ENCRYPTION; auth_function = SRTPPolicy.HMACSHA1_AUTHENTICATION; auth_key_length = 160 / 8; RTCP_auth_tag_length = RTP_auth_tag_length = 80 / 8; break; case SRTPProtectionProfile.SRTP_NULL_HMAC_SHA1_32: cipher_key_length = 0; cipher_salt_length = 0; cipher = SRTPPolicy.NULL_ENCRYPTION; auth_function = SRTPPolicy.HMACSHA1_AUTHENTICATION; auth_key_length = 160 / 8; RTCP_auth_tag_length = 80 / 8; RTP_auth_tag_length = 32 / 8; break; case SRTPProtectionProfile.SRTP_NULL_HMAC_SHA1_80: cipher_key_length = 0; cipher_salt_length = 0; cipher = SRTPPolicy.NULL_ENCRYPTION; auth_function = SRTPPolicy.HMACSHA1_AUTHENTICATION; auth_key_length = 160 / 8; RTCP_auth_tag_length = RTP_auth_tag_length = 80 / 8; break; default: throw new IllegalArgumentException("srtpProtectionProfile"); } byte[] keyingMaterial = tlsContext.exportKeyingMaterial( ExporterLabel.dtls_srtp, null, 2 * (cipher_key_length + cipher_salt_length)); byte[] client_write_SRTP_master_key = new byte[cipher_key_length]; byte[] server_write_SRTP_master_key = new byte[cipher_key_length]; byte[] client_write_SRTP_master_salt = new byte[cipher_salt_length]; byte[] server_write_SRTP_master_salt = new byte[cipher_salt_length]; byte[][] keyingMaterialValues = { client_write_SRTP_master_key, server_write_SRTP_master_key, client_write_SRTP_master_salt, server_write_SRTP_master_salt }; for (int i = 0, keyingMaterialOffset = 0; i < keyingMaterialValues.length; i++) { byte[] keyingMaterialValue = keyingMaterialValues[i]; System.arraycopy( keyingMaterial, keyingMaterialOffset, keyingMaterialValue, 0, keyingMaterialValue.length); keyingMaterialOffset += keyingMaterialValue.length; } SRTPPolicy srtcpPolicy = new SRTPPolicy( cipher, cipher_key_length, auth_function, auth_key_length, RTCP_auth_tag_length, cipher_salt_length); SRTPPolicy srtpPolicy = new SRTPPolicy( cipher, cipher_key_length, auth_function, auth_key_length, RTP_auth_tag_length, cipher_salt_length); SRTPContextFactory clientSRTPContextFactory = new SRTPContextFactory( /* sender */ tlsContext instanceof TlsClientContext, client_write_SRTP_master_key, client_write_SRTP_master_salt, srtpPolicy, srtcpPolicy); SRTPContextFactory serverSRTPContextFactory = new SRTPContextFactory( /* sender */ tlsContext instanceof TlsServerContext, server_write_SRTP_master_key, server_write_SRTP_master_salt, srtpPolicy, srtcpPolicy); SRTPContextFactory forwardSRTPContextFactory; SRTPContextFactory reverseSRTPContextFactory; if (tlsContext instanceof TlsClientContext) { forwardSRTPContextFactory = clientSRTPContextFactory; reverseSRTPContextFactory = serverSRTPContextFactory; } else if (tlsContext instanceof TlsServerContext) { forwardSRTPContextFactory = serverSRTPContextFactory; reverseSRTPContextFactory = clientSRTPContextFactory; } else { throw new IllegalArgumentException("tlsContext"); } SinglePacketTransformer srtpTransformer; if (rtcp) { srtpTransformer = new SRTCPTransformer(forwardSRTPContextFactory, reverseSRTPContextFactory); } else { srtpTransformer = new SRTPTransformer(forwardSRTPContextFactory, reverseSRTPContextFactory); } return srtpTransformer; }