Travis: Add FFmpeg 3.2 build

Author: ferdnyc

.travis.yml

@@ -37,7 +37,7 @@ matrix:
 
     - name: "Coverage (Ubuntu 18.04 Bionic)"
       env:
-        - BUILD_VERSION=coverage_ffmpeg3
+        - BUILD_VERSION=coverage_ffmpeg34
         - CMAKE_EXTRA_ARGS="-DENABLE_COVERAGE=1"
         - TEST_TARGET=coverage
       os: linux
@@ -80,9 +80,9 @@ matrix:
           - libavresample4
           - libswresample3
 
-    - name: "FFmpeg 3 GCC (Ubuntu 18.04 Bionic)"
+    - name: "FFmpeg 3.4 GCC (Ubuntu 18.04 Bionic)"
       env:
-        - BUILD_VERSION=ffmpeg3
+        - BUILD_VERSION=ffmpeg34
         - CMAKE_EXTRA_ARGS=""
         - TEST_TARGET=test
       os: linux
@@ -97,9 +97,9 @@ matrix:
           - qt5-default
           - libjsoncpp-dev
 
-    - name: "FFmpeg 3 Clang (Ubuntu 18.04 Bionic)"
+    - name: "FFmpeg 3.4 Clang (Ubuntu 18.04 Bionic)"
       env:
-        - BUILD_VERSION=clang_ffmpeg3
+        - BUILD_VERSION=clang_ffmpeg34
         - CMAKE_EXTRA_ARGS=""
         - TEST_TARGET=test
       os: linux
@@ -115,6 +115,31 @@ matrix:
           - qt5-default
           - libomp-dev
 
+    - name: "FFmpeg 3.2 GCC (Ubuntu 16.04 Xenial)"
+      env:
+        - BUILD_VERSION=ffmpeg32
+        - CMAKE_EXTRA_ARGS=""
+        - TEST_TARGET="os_test"
+      os: linux
+      dist: xenial
+      addons:
+        apt:
+          sources:
+          - sourceline: 'ppa:openshot.developers/libopenshot-daily'
+          - sourceline: 'ppa:beineri/opt-qt-5.10.0-xenial'
+          - sourceline: 'ppa:jon-hedgerows/ffmpeg-backports'
+          packages:
+          - *ff_common
+          - libavcodec57
+          - libavdevice57
+          - libavfilter6
+          - libavformat57
+          - libavresample3
+          - libavutil55
+          - libpostproc54
+          - libswresample2
+          - libswscale4
+
     - name: "FFmpeg 2 GCC (Ubuntu 16.04 Xenial)"
       env:
         - BUILD_VERSION=ffmpeg2