Trim unused components

build.sh

@@ -16,20 +16,20 @@ run-all() {
     install-deps
     build-zlib
     build-x264
-    build-x265
-    build-libvpx
-    build-wavpack
+    #build-x265
+    #build-libvpx
+    #build-wavpack
     build-lame
-    build-fdk-aac
-    build-ogg
-    build-vorbis
-    build-theora
-    build-opus
-    build-libwebp
-    build-freetype2
-    build-fribidi
-    build-harfbuzz
-    build-libass
+    #build-fdk-aac
+    #build-ogg
+    #build-vorbis
+    #build-theora
+    #build-opus
+    #build-libwebp
+    #build-freetype2
+    #build-fribidi
+    #build-harfbuzz
+    #build-libass
     #build-aom # disabled as it is extremely slow
     configure-ffmpeg
     build-ffmpeg

wasm/build-scripts/build-ffmpeg.sh

@@ -21,7 +21,7 @@ FLAGS=(
   -I. -I./fftools -I$BUILD_DIR/include
   -Llibavcodec -Llibavdevice -Llibavfilter -Llibavformat -Llibavresample -Llibavutil -Lharfbuzz -Llibass -Lfribidi -Llibpostproc -Llibswscale -Llibswresample -L$BUILD_DIR/lib
   -Wno-deprecated-declarations -Wno-pointer-sign -Wno-implicit-int-float-conversion -Wno-switch -Wno-parentheses -Qunused-arguments
-  -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -lpostproc -lm -lharfbuzz -lfribidi -lass -lx264 -lx265 -lvpx -lwavpack -lmp3lame -lfdk-aac -lvorbis -lvorbisenc -lvorbisfile -logg -ltheora -ltheoraenc -ltheoradec -lz -lfreetype -lopus -lwebp
+  -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -lpostproc -lm -lx264 -lmp3lame -lz
   fftools/ffmpeg_opt.c fftools/ffmpeg_filter.c fftools/ffmpeg_hw.c fftools/cmdutils.c fftools/ffmpeg.c
   -s USE_SDL=2                                  # use SDL2
   -s INVOKE_RUN=0                               # not to run the main() in the beginning

wasm/build-scripts/configure-ffmpeg.sh

@@ -5,23 +5,33 @@ source $(dirname $0)/var.sh
 
 FLAGS=(
   "${FFMPEG_CONFIG_FLAGS_BASE[@]}"
+  --disable-everything
+  --disable-network
+  --disable-autodetect
+  --enable-small
+  --enable-decoder=mp3*,h264
+  --enable-demuxer=mp3,mov
+  --enable-muxer=mp3,mp4
+  --enable-protocol=file
+  --enable-encoder=libmp3lame,libx264
+  --enable-filter=abuffer,amix,abuffersink,aresample
   --enable-gpl            # required by x264
   --enable-nonfree        # required by fdk-aac
-  --enable-zlib           # enable zlib
+  #--enable-zlib           # enable zlib
   --enable-libx264        # enable x264
-  --enable-libx265        # enable x265
-  --enable-libvpx         # enable libvpx / webm
-  --enable-libwavpack     # enable libwavpack
+  #--enable-libx265        # enable x265
+  #--enable-libvpx         # enable libvpx / webm
+  #--enable-libwavpack     # enable libwavpack
   --enable-libmp3lame      # enable libmp3lame
-  --enable-libfdk-aac     # enable libfdk-aac
-  --enable-libtheora      # enable libtheora
-  --enable-libvorbis      # enable libvorbis
-  --enable-libfreetype    # enable freetype
-  --enable-libopus        # enable opus
-  --enable-libwebp        # enable libwebp
-  --enable-libass         # enable libass
-  --enable-libfribidi     # enable libfribidi
-  # --enable-libaom         # enable libaom
+  #--enable-libfdk-aac     # enable libfdk-aac
+  #--enable-libtheora      # enable libtheora
+  #--enable-libvorbis      # enable libvorbis
+  #--enable-libfreetype    # enable freetype
+  #--enable-libopus        # enable opus
+  #--enable-libwebp        # enable libwebp
+  #--enable-libass         # enable libass
+  #--enable-libfribidi     # enable libfribidi
+  #--enable-libaom         # enable libaom
 )
 echo "FFMPEG_CONFIG_FLAGS=${FLAGS[@]}"
 emconfigure ./configure "${FLAGS[@]}"