Initial commit of all previous Chrome build scripts.

chromium/scripts/build_ffmpeg.sh

Index: chromium/scripts/build_ffmpeg.sh
diff --git a/chromium/scripts/build_ffmpeg.sh b/chromium/scripts/build_ffmpeg.sh
new file mode 100755
index 0000000000000000000000000000000000000000..1f46aba438db1ca62b7353e629cb9c540ffd9466
--- /dev/null
+++ b/chromium/scripts/build_ffmpeg.sh
@@ -0,0 +1,394 @@
+#!/bin/bash -e
+
+# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Builds Chromium, Google Chrome and *OS FFmpeg binaries.
+#
+# For Windows it assumes being run from a MinGW shell with Visual Studio
+# environment (i.e., lib.exe and editbin.exe are in $PATH).
+#
+# Instructions for setting up a MinGW/MSYS shell can be found here:
+# http://src.chromium.org/viewvc/chrome/trunk/deps/third_party/mingw/README.chromium
+
+if [ "$3" = "" -o "$4" != "" ]; then
+  echo "Usage:"
+  echo "  $0 [TARGET_OS] [TARGET_ARCH] [path/to/third_party/ffmpeg]"
+  echo
+  echo "Valid combinations are linux [ia32|x64|arm|arm-neon]"
+  echo "                       win   [ia32]"
+  echo "                       mac   [ia32]"
+  echo
+  echo " linux ia32/x64 - script can be run on a normal Ubuntu box."
+  echo " linux arm/arm-neon should be run inside of CrOS chroot."
+  echo " mac and win have to be run on Mac and Windows 7 (under mingw)."
+  echo
+  echo "The path should be absolute and point at Chromium's copy of FFmpeg."
+  echo "This corresponds to:"
+  echo "  chrome/trunk/deps/third_party/ffmpeg"
+  echo
+  echo "Resulting binaries will be placed in:"
+  echo "  build.TARGET_ARCH.TARGET_OS/Chromium/out/"
+  echo "  build.TARGET_ARCH.TARGET_OS/Chrome/out/"
+  echo "  build.TARGET_ARCH.TARGET_OS/ChromiumOS/out/"
+  echo "  build.TARGET_ARCH.TARGET_OS/ChromeOS/out/"
+  exit
+fi
+
+TARGET_OS=$1
+TARGET_ARCH=$2
+FFMPEG_PATH=$3
+
+# Check TARGET_OS (TARGET_ARCH is checked during configuration).
+if [[ "$TARGET_OS" != "linux" &&
+      "$TARGET_OS" != "mac" &&
+      "$TARGET_OS" != "win" ]]; then
+  echo "Valid target OSes are: linux, mac, win"
+  exit 1
+fi
+
+# Check FFMPEG_PATH to contain this script.
+if [ ! -f "$FFMPEG_PATH/$(basename $0)" ]; then
+  echo "$FFMPEG_PATH doesn't appear to contain FFmpeg"
+  exit 1
+fi
+
+# If configure & make works but this script doesn't, make sure to grep for these.
+LIBAVCODEC_VERSION_MAJOR=53
+LIBAVFORMAT_VERSION_MAJOR=53
+LIBAVUTIL_VERSION_MAJOR=51
+
+case $(uname -sm) in
+  Linux\ i386)
+    HOST_OS=linux
+    HOST_ARCH=ia32
+    JOBS=$(grep processor /proc/cpuinfo | wc -l)
+    ;;
+  Linux\ x86_64)
+    HOST_OS=linux
+    HOST_ARCH=x64
+    JOBS=$(grep processor /proc/cpuinfo | wc -l)
+    ;;
+  Darwin*)
+    HOST_OS=mac
+    HOST_ARCH=ia32
+    JOBS=$(sysctl -n hw.ncpu)
+    ;;
+  MINGW*)
+    HOST_OS=win
+    HOST_ARCH=ia32
+    JOBS=$NUMBER_OF_PROCESSORS
+    ;;
+  *)
+    echo "Unrecognized HOST_OS: $(uname)"
+    echo "Patches welcome!"
+    exit 1
+    ;;
+esac
+
+# Print out system information.
+echo "System information:"
+echo "HOST_OS     = $HOST_OS"
+echo "TARGET_OS   = $TARGET_OS"
+echo "HOST_ARCH   = $HOST_ARCH"
+echo "TARGET_ARCH = $TARGET_ARCH"
+echo "JOBS        = $JOBS"
+echo "LD          = $(ld --version | head -n1)"
+echo
+
+# As of this writing gold 2.20.1-system.20100303 is unable to link FFmpeg.
+if ld --version | grep -q gold; then
+  echo "gold is unable to link FFmpeg"
+  echo
+  echo "Switch /usr/bin/ld to the regular binutils ld and try again"
+  exit 1
+fi
+
+# Returns the Dynamic Shared Object name given the module name and version.
+function dso_name { dso_name_${TARGET_OS} $1 $2; }
+function dso_name_win { echo "${1}-${2}.dll"; }
+function dso_name_linux { echo "lib${1}.so.${2}"; }
+function dso_name_mac { echo "lib${1}.${2}.dylib"; }
+
+# Appends configure flags.
+FLAGS_COMMON=
+FLAGS_CHROMIUM=
+FLAGS_CHROME=
+FLAGS_CHROMIUMOS=
+FLAGS_CHROMEOS=
+
+# Flags that are used in all of Chrome/Chromium + OS.
+function add_flag_common {
+  FLAGS_COMMON="$FLAGS_COMMON $*"
+}
+# Flags that are used in Chromium and ChromiumOS.
+function add_flag_chromium {
+  FLAGS_CHROMIUM="$FLAGS_CHROMIUM $*"
+}
+# Flags that are used in Chrome and ChromeOS.
+function add_flag_chrome {
+  FLAGS_CHROME="$FLAGS_CHROME $*"
+}
+# Flags that are used only in ChromiumOS (but not Chromium).
+function add_flag_chromiumos {
+  FLAGS_CHROMIUMOS="$FLAGS_CHROMIUMOS $*"
+}
+# Flags that are used only in ChromeOS (but not Chrome).
+function add_flag_chromeos {
+  FLAGS_CHROMEOS="$FLAGS_CHROMEOS $*"
+}
+
+# Builds using $1 as the output directory and all following arguments as
+# configure script arguments.
+function build {
+  CONFIG=$1
+  CONFIG_DIR="build.$TARGET_ARCH.$TARGET_OS/$CONFIG"
+  shift
+
+  # Create our working directory.
+  echo "Creating build directory..."
+  rm -rf $CONFIG_DIR
+  mkdir -p $CONFIG_DIR
+  pushd $CONFIG_DIR
+  mkdir out
+  shift
+
+  # Configure and check for exit status.
+  echo "Configuring $CONFIG..."
+  echo "$FFMPEG_PATH/source/patched-ffmpeg/configure $*"
+  $FFMPEG_PATH/source/patched-ffmpeg/configure $*
+
+  if [ ! -f config.h ]; then
+    echo "Configure failed!"
+    exit 1
+  fi
+
+  if [ $TARGET_ARCH = "ia32" ]; then
+    echo $FFMPEG_PATH/source/munge_config_optimizations.sh config.h
+    $FFMPEG_PATH/source/munge_config_optimizations.sh config.h
+  fi
+
+  # TODO(ihf): Remove munge_config_posix_memalign.sh when
+  # DEPLOYMENT_TARGET >= 10.7. Background: If MACOSX_DEPLOYMENT_TARGET < 10.7
+  # we have to disable posix_memalign by hand, as it was introduced somewhere
+  # in OSX 10.6 (configure finds it) but we can't use it yet. Just check
+  # common.gypi for 'mac_deployment_target%': '10.5'.
+  if [ $TARGET_OS = "mac" ]; then
+    echo $FFMPEG_PATH/source/munge_config_posix_memalign.sh config.h
+    $FFMPEG_PATH/source/munge_config_posix_memalign.sh config.h
+  fi
+
+  if [ "$HOST_OS" = "$TARGET_OS" ]; then
+    # Build!
+    LIBS="libavcodec/$(dso_name avcodec $LIBAVCODEC_VERSION_MAJOR)"
+    LIBS="libavformat/$(dso_name avformat $LIBAVFORMAT_VERSION_MAJOR) $LIBS"
+    LIBS="libavutil/$(dso_name avutil $LIBAVUTIL_VERSION_MAJOR) $LIBS"
+    for lib in $LIBS; do
+      echo "Building $lib for $CONFIG..."
+      echo "make -j$JOBS $lib"
+      make -j$JOBS $lib
+      if [ -f $lib ]; then
+        if [[ "$TARGET_ARCH" = "arm" ||
+              "$TARGET_ARCH" = "arm-neon" ]]; then
+          # Assume we are in chroot for CrOS.
+          /usr/bin/armv7a-cros-linux-gnueabi-strip $lib
+        elif [[ "$TARGET_OS" = "win" ]]; then
+          # Windows doesn't care if global symbols get stripped, saving us a
+          # cool 100KB.
+          strip $lib
+
+          # Windows binaries need /NXCOMPAT and /DYNAMICBASE.
+          editbin -nxcompat -dynamicbase $lib
+        else
+          strip -x $lib
+        fi
+
+        cp $lib out
+      else
+        echo "Build failed!"
+        exit
+      fi
+    done
+  else
+    echo "Skipping compile as host configuration differs from target."
+    echo "Please compare the generated config.h with the previous version."
+    echo "You may also patch the script to properly cross-compile."
+    echo "host   OS  = $HOST_OS"
+    echo "target OS  = $TARGET_OS"
+    echo "host   ARCH= $HOST_ARCH"
+    echo "target ARCH= $TARGET_ARCH"
+  fi
+  popd
+}
+
+# Common configuration.
+add_flag_common --disable-doc
+add_flag_common --disable-everything
+add_flag_common --enable-fft
+add_flag_common --enable-rdft
+add_flag_common --disable-network
+add_flag_common --disable-bzlib
+add_flag_common --disable-zlib
+add_flag_common --disable-swscale
+add_flag_common --disable-amd3dnow
+add_flag_common --disable-amd3dnowext
+add_flag_common --enable-shared
+
+# Common codecs.
+add_flag_common --enable-decoder=theora,vorbis,vp8
+add_flag_common --enable-decoder=pcm_u8,pcm_s16le,pcm_f32le
+add_flag_common --enable-demuxer=ogg,matroska,wav
+add_flag_common --enable-parser=vp8
+
+# Linux only.
+if [ "$TARGET_OS" = "linux" ]; then
+  if [ "$TARGET_ARCH" = "x64" ]; then
+    # Nothing to add for now.
+    add_flag_common ""
+  elif [ "$TARGET_ARCH" = "ia32" ]; then
+    add_flag_common --arch=i686
+    add_flag_common --enable-yasm
+    add_flag_common --extra-cflags=-m32
+    # Adding fPIC since revision 53745.
+    add_flag_common --extra-cflags=-fPIC
+    add_flag_common --extra-ldflags=-m32
+  elif [ "$TARGET_ARCH" = "arm" ]; then
+    # This if-statement essentially is for chroot tegra2.
+    add_flag_common --enable-cross-compile
+
+    # Location is for CrOS chroot. If you want to use this, enter chroot
+    # and copy ffmpeg to a location that is reachable.
+    add_flag_common --cross-prefix=/usr/bin/armv7a-cros-linux-gnueabi-
+    add_flag_common --target-os=linux
+    add_flag_common --arch=arm
+
+    # TODO(ihf): ARM compile flags are tricky. The final options
+    # overriding everything live in chroot /build/*/etc/make.conf.
+    # We try to follow these here closely. In particular we need to
+    # set ffmpeg internal #defines to conform to make.conf.
+    # TODO(ihf): For now it is not clear if thumb or arm settings would be
+    # faster. I ran experiments in other contexts and performance seemed
+    # to be close and compiler version dependent. In practice thumb builds are
+    # much smaller than optimized arm builds, hence we go with the global
+    # CrOS settings.
+    add_flag_common --enable-armv6
+    add_flag_common --enable-armv6t2
+    add_flag_common --enable-armvfp
+    add_flag_common --enable-thumb
+    add_flag_common --disable-neon
+    add_flag_common --extra-cflags=-march=armv7-a
+    add_flag_common --extra-cflags=-mtune=cortex-a8
+    add_flag_common --extra-cflags=-mfpu=vfpv3-d16
+    add_flag_common --extra-cflags=-mfloat-abi=softfp
+    # TODO(ihf): We are probably going to switch the whole tegra2 board soon to
+    # add_flag_common --extra-cflags=-mfloat-abi=hard
+  elif [ "$TARGET_ARCH" = "arm-neon" ]; then
+    # This if-statement is for chroot arm-generic.
+    add_flag_common --enable-cross-compile
+    add_flag_common --cross-prefix=/usr/bin/armv7a-cros-linux-gnueabi-
+    add_flag_common --target-os=linux
+    add_flag_common --arch=arm
+    add_flag_common --enable-armv6
+    add_flag_common --enable-armv6t2
+    add_flag_common --enable-armvfp
+    add_flag_common --enable-thumb
+    add_flag_common --enable-neon
+    add_flag_common --extra-cflags=-march=armv7-a
+    add_flag_common --extra-cflags=-mtune=cortex-a8
+    add_flag_common --extra-cflags=-mfpu=neon
+    add_flag_common --extra-cflags=-mfloat-abi=softfp
+  else
+    echo "Error: Unknown TARGET_ARCH=$TARGET_ARCH for TARGET_OS=$TARGET_OS!"
+    exit
+  fi
+fi
+
+# Should be run on Windows.
+if [ "$TARGET_OS" = "win" ]; then
+  if [ "$HOST_OS" = "win" ]; then
+    if [ "$TARGET_ARCH" = "ia32" ]; then
+      add_flag_common --enable-filter=buffer
+      add_flag_common --enable-memalign-hack
+      add_flag_common --cc=mingw32-gcc
+      add_flag_common --extra-cflags=-mtune=atom
+      add_flag_common --extra-cflags=-U__STRICT_ANSI__
+      add_flag_common --extra-cflags=-I/usr/local/include
+      add_flag_common --extra-ldflags=-L/usr/local/lib
+      add_flag_common --extra-ldflags=-Wl,--enable-auto-import
+      add_flag_common --extra-ldflags=-Wl,--no-seh
+    else
+      echo "Error: Unknown TARGET_ARCH=$TARGET_ARCH for TARGET_OS=$TARGET_OS!"
+      exit
+    fi
+  else
+    echo "Script should be run on Windows host. If this is not possible try a "
+    echo "merge of config files with new linux ia32 config.h by hand."
+    exit
+  fi
+fi
+
+# Should be run on Mac.
+if [ "$TARGET_OS" = "mac" ]; then
+  if [ "$HOST_OS" = "mac" ]; then
+    if [ "$TARGET_ARCH" = "ia32" ]; then
+      add_flag_common --arch=i686
+      add_flag_common --enable-yasm
+      add_flag_common --extra-cflags=-m32
+      add_flag_common --extra-ldflags=-m32
+    else
+      echo "Error: Unknown TARGET_ARCH=$TARGET_ARCH for TARGET_OS=$TARGET_OS!"
+      exit
+    fi
+  else
+    echo "Script should be run on a Mac host. If this is not possible try a "
+    echo "merge of config files with new linux ia32 config.h by hand."
+    exit
+  fi
+fi
+
+# Chromium & ChromiumOS specific configuration.
+# (nothing at the moment)
+
+# Google Chrome & ChromeOS specific configuration.
+add_flag_chrome --enable-decoder=aac,h264,mp3
+add_flag_chrome --enable-demuxer=mp3,mov
+add_flag_chrome --enable-parser=mpegaudio
+add_flag_chrome --enable-bsf=h264_mp4toannexb
+
+# ChromiumOS specific configuration.
+# Warning: do *NOT* add avi, aac, h264, mp3, mp4, amr*
+# Flac support.
+add_flag_chromiumos --enable-demuxer=flac
+add_flag_chromiumos --enable-decoder=flac
+
+# Google ChromeOS specific configuration.
+# We want to make sure to play everything Android generates and plays.
+# http://developer.android.com/guide/appendix/media-formats.html
+# Enable playing avi files.
+add_flag_chromeos --enable-decoder=mpeg4
+add_flag_chromeos --enable-demuxer=avi
+add_flag_chromeos --enable-bsf=mpeg4video_es
+# Enable playing Android 3gp files.
+add_flag_chromeos --enable-demuxer=amr
+add_flag_chromeos --enable-decoder=amrnb,amrwb
+# Flac support.
+add_flag_chromeos --enable-demuxer=flac
+add_flag_chromeos --enable-decoder=flac
+# Wav files for playing phone messages.
+# Maybe later: gsm_ms,adpcm_ima_wav
+add_flag_chromeos --enable-decoder=pcm_mulaw
+
+echo "Chromium configure/build:"
+build Chromium $FLAGS_COMMON $FLAGS_CHROMIUM
+echo "Chrome configure/build:"
+build Chrome $FLAGS_COMMON $FLAGS_CHROME
+
+if [ "$TARGET_OS" = "linux" ]; then
+  echo "ChromiumOS configure/build:"
+  build ChromiumOS $FLAGS_COMMON $FLAGS_CHROMIUM $FLAGS_CHROMIUMOS
+  echo "ChromeOS configure/build:"
+  build ChromeOS $FLAGS_COMMON $FLAGS_CHROME $FLAGS_CHROMEOS
+fi
+
+echo "Done. If desired you may copy config.h/config.asm into the source/config tree using copy_config.sh."