[#18629] Add runtime libavcodec dependency for H264 video codec

tools/build-system/launchpad/sflphone-client-gnome-video/debian/control

@@ -9,7 +9,7 @@ Package: sflphone-client-gnome-video
 Priority: optional
 Architecture: any
 Depends: sflphone-common-video (=${source:Version}), ${shlibs:Depends}, ${misc:Depends}
-Replaces: sflphone-client-gnome
+Replaces: sflphone
 Conflicts: sflphone-client-gnome
 Homepage: http://www.sflphone.org
 Description: GNOME client for SFLphone, with video support

tools/build-system/launchpad/sflphone-client-gnome/debian/control

@@ -10,7 +10,7 @@ Priority: optional
 Architecture: any
 Depends: sflphone-common (=${source:Version}), ${shlibs:Depends}, ${misc:Depends}
 Replaces: sflphone
-Conflicts: sflphone
+Conflicts: sflphone-client-gnome-video
 Homepage: http://www.sflphone.org
 Description: GNOME client for SFLphone
  Provide a GNOME client for SFLphone.

tools/build-system/launchpad/sflphone-common-video/debian/control

@@ -8,8 +8,8 @@ Standards-Version: 3.7.3
 Package: sflphone-common-video
 Priority: optional
 Architecture: any
-Depends: ${shlibs:Depends}, ${misc:Depends}
-Replaces: sflphone-common
+Depends: ${shlibs:Depends}, ${misc:Depends}, libavcodec53 | libavcodec-extra-53, libdevice53 | libavdevice-extra-53, libavfilter2 | libavfilter-extra-2, libavformat53 | libavformat-extra-53, libswscale2 | libswscale-extra-2, libavutil51 | libavutil-extra-51
+Replaces: sflphone
 Conflicts: sflphone-common
 Homepage: http://www.sflphone.org
 Description: SIP and IAX2 compatible softphone - Core with video support

tools/build-system/launchpad/sflphone-common/debian/control

@@ -10,7 +10,7 @@ Priority: optional
 Architecture: any
 Depends: ${shlibs:Depends}, ${misc:Depends}
 Replaces: sflphone
-Conflicts: sflphone
+Conflicts: sflphone-common-video
 Homepage: http://www.sflphone.org
 Description: SIP and IAX2 compatible softphone - Core
  SFLphone is meant to be a robust enterprise-class desktop phone.