change ffmpeg to freeworld

prepopulate.json

@@ -14860,20 +14860,7 @@
         "festival-devel.x86_64"
       ],
       "ffmpeg": [
-        "ffmpeg-free.x86_64",
+        "ffmpeg-devel.x86_64"
-        "ffmpeg-free-devel.x86_64",
-        "libavcodec-free-devel.x86_64",
-        "libavdevice-free.x86_64",
-        "libavdevice-free-devel.x86_64",
-        "libavfilter-free.x86_64",
-        "libavfilter-free-devel.x86_64",
-        "libavformat-free-devel.x86_64",
-        "libavutil-free-devel.x86_64",
-        "libpostproc-free.x86_64",
-        "libpostproc-free-devel.x86_64",
-        "libswresample-free-devel.x86_64",
-        "libswscale-free.x86_64",
-        "libswscale-free-devel.x86_64"
       ],
       "fftw": [
         "fftw-mpich-devel.x86_64",
@@ -17775,9 +17762,10 @@
         "compat-podofo096.x86_64"
       ],
       "ffmpeg": [
-        "libavcodec-free.x86_64",
+        "ffmpeg.x86_64",
-        "libavformat-free.x86_64",
+        "ffmpeg-libs.x86_64",
-        "libavutil-free.x86_64"
+        "libavcodec-freeworld.x86_64",
+        "libavdevice.x86_64"
       ],
       "minizip1.2": [
         "minizip1.2.x86_64"