Add build files to support libwebp decoding.

config/external/moz.build

@@ -36,6 +36,8 @@ if not CONFIG['MOZ_SYSTEM_LIBVPX']:
 if not CONFIG['MOZ_SYSTEM_PNG']:
     external_dirs += ['media/libpng']
 
+external_dirs += ['media/libwebp']
+
 if CONFIG['CPU_ARCH'] == 'arm':
     external_dirs += ['media/openmax_dl']
 

media/libwebp/MOZCHANGES

@@ -0,0 +1,3 @@
+Changes made to pristine libwebp source by mozilla.org developers.
+
+2017/01/27  -- Synced with libwebp-0.6.0 (bug #1294490).

media/libwebp/dec/moz.build

@@ -0,0 +1,26 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+with Files('**'):
+    BUG_COMPONENT = ('Core', 'ImageLib')
+
+SOURCES += [
+    'alpha_dec.c',
+    'buffer_dec.c',
+    'frame_dec.c',
+    'idec_dec.c',
+    'io_dec.c',
+    'quant_dec.c',
+    'tree_dec.c',
+    'vp8_dec.c',
+    'vp8l_dec.c',
+    'webp_dec.c',
+]
+
+FINAL_LIBRARY = 'gkmedias'
+
+# We allow warnings for third-party code that can be updated from upstream.
+ALLOW_COMPILER_WARNINGS = True

media/libwebp/demux/moz.build

@@ -0,0 +1,17 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+with Files('**'):
+    BUG_COMPONENT = ('Core', 'ImageLib')
+
+SOURCES += [
+    'demux.c',
+]
+
+FINAL_LIBRARY = 'gkmedias'
+
+# We allow warnings for third-party code that can be updated from upstream.
+ALLOW_COMPILER_WARNINGS = True

media/libwebp/dsp/moz.build

@@ -0,0 +1,53 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+with Files('**'):
+    BUG_COMPONENT = ('Core', 'ImageLib')
+
+SOURCES += [
+    'alpha_processing.c',
+    'alpha_processing_sse2.c',
+    'alpha_processing_sse41.c',
+    'dec.c',
+    'dec_clip_tables.c',
+    'dec_neon.c',
+    'dec_sse2.c',
+    'dec_sse41.c',
+    'filters.c',
+    'filters_sse2.c',
+    'lossless.c',
+    'lossless_neon.c',
+    'lossless_sse2.c',
+    'rescaler.c',
+    'rescaler_neon.c',
+    'rescaler_sse2.c',
+    'upsampling.c',
+    'upsampling_neon.c',
+    'upsampling_sse2.c',
+    'yuv.c',
+    'yuv_sse2.c',
+]
+
+if CONFIG['CPU_ARCH'] == 'arm' and CONFIG['BUILD_ARM_NEON']:
+    SOURCES['dec_neon.c'].flags += CONFIG['NEON_FLAGS']
+    SOURCES['lossless_neon.c'].flags += CONFIG['NEON_FLAGS']
+    SOURCES['rescaler_neon.c'].flags += CONFIG['NEON_FLAGS']
+    SOURCES['upsampling_neon.c'].flags += CONFIG['NEON_FLAGS']
+elif CONFIG['INTEL_ARCHITECTURE']:
+    SOURCES['alpha_processing_sse2.c'].flags += CONFIG['SSE2_FLAGS']
+    SOURCES['alpha_processing_sse41.c'].flags += CONFIG['SSE2_FLAGS']
+    SOURCES['dec_sse2.c'].flags += CONFIG['SSE2_FLAGS']
+    SOURCES['dec_sse41.c'].flags += CONFIG['SSE2_FLAGS']
+    SOURCES['filters_sse2.c'].flags += CONFIG['SSE2_FLAGS']
+    SOURCES['lossless_sse2.c'].flags += CONFIG['SSE2_FLAGS']
+    SOURCES['rescaler_sse2.c'].flags += CONFIG['SSE2_FLAGS']
+    SOURCES['upsampling_sse2.c'].flags += CONFIG['SSE2_FLAGS']
+    SOURCES['yuv_sse2.c'].flags += CONFIG['SSE2_FLAGS']
+
+FINAL_LIBRARY = 'gkmedias'
+
+# We allow warnings for third-party code that can be updated from upstream.
+ALLOW_COMPILER_WARNINGS = True

media/libwebp/moz.build

@@ -0,0 +1,28 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+with Files('**'):
+    BUG_COMPONENT = ('Core', 'ImageLib')
+
+EXPORTS.webp += [
+    'webp/decode.h',
+    'webp/demux.h',
+    'webp/mux_types.h',
+    'webp/types.h',
+]
+
+DIRS += [
+    'dec',
+    'demux',
+    'dsp',
+    'moz',
+    'utils',
+]
+
+FINAL_LIBRARY = 'gkmedias'
+
+# We allow warnings for third-party code that can be updated from upstream.
+ALLOW_COMPILER_WARNINGS = True

media/libwebp/moz/cpu.cpp

@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* This file replaces the CPU info methods originally implemented in
+ * src/dsp/cpu.c, due to missing dependencies for Andriod builds. It
+ * controls if NEON/SSE/etc is used. */
+
+#include "../dsp/dsp.h"
+#include "mozilla/arm.h"
+#include "mozilla/SSE.h"
+
+static int MozCPUInfo(CPUFeature feature)
+{
+  switch (feature) {
+#if defined(__i386__) || defined(__x86_64__) || defined(WEBP_MSC_SSE2)
+    case kSSE2:
+      return mozilla::supports_sse2();
+    case kSSE3:
+      return mozilla::supports_sse3();
+    case kSSE4_1:
+      return mozilla::supports_sse4_1();
+    case kAVX:
+      return mozilla::supports_avx();
+    case kAVX2:
+      return mozilla::supports_avx2();
+#endif
+#if defined(WEBP_USE_NEON) || defined(WEBP_ANDROID_NEON)
+    case kNEON:
+      return mozilla::supports_neon();
+#endif
+#if defined(WEBP_USE_MIPS32) || defined(WEBP_USE_MIPS_DSP_R2) || defined(WEBP_USE_MSA)
+    case kMIPS32:
+    case kMIPSdspR2:
+    case kMSA:
+      return 1;
+#endif
+    default:
+      return 0;
+  }
+}
+
+VP8CPUInfo VP8GetCPUInfo = MozCPUInfo;

media/libwebp/moz/moz.build

@@ -0,0 +1,17 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+with Files('**'):
+    BUG_COMPONENT = ('Core', 'ImageLib')
+
+SOURCES += [
+    'cpu.cpp',
+]
+
+FINAL_LIBRARY = 'gkmedias'
+
+# We allow warnings for third-party code that can be updated from upstream.
+ALLOW_COMPILER_WARNINGS = True

media/libwebp/update.sh

@@ -0,0 +1,76 @@
+#!/bin/sh
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# Usage: ./update.sh <libwebp_directory>
+#
+# Copies the needed files from a directory containing the original
+# libwebp source.
+
+cp $1/AUTHORS .
+cp $1/COPYING .
+cp $1/NEWS .
+cp $1/PATENTS .
+cp $1/README .
+cp $1/README.mux .
+
+mkdir -p webp
+cp $1/src/webp/*.h webp
+
+mkdir -p dec
+cp $1/src/dec/*.h dec
+cp $1/src/dec/alpha_dec.c dec
+cp $1/src/dec/buffer_dec.c dec
+cp $1/src/dec/frame_dec.c dec
+cp $1/src/dec/idec_dec.c dec
+cp $1/src/dec/io_dec.c dec
+cp $1/src/dec/quant_dec.c dec
+cp $1/src/dec/tree_dec.c dec
+cp $1/src/dec/vp8_dec.c dec
+cp $1/src/dec/vp8l_dec.c dec
+cp $1/src/dec/webp_dec.c dec
+
+mkdir -p demux
+cp $1/src/demux/demux.c demux
+
+mkdir -p dsp
+cp $1/src/dsp/*.h dsp
+cp $1/src/dsp/alpha_processing.c dsp
+cp $1/src/dsp/alpha_processing_sse2.c dsp
+cp $1/src/dsp/alpha_processing_sse41.c dsp
+cp $1/src/dsp/dec.c dsp
+cp $1/src/dsp/dec_clip_tables.c dsp
+cp $1/src/dsp/dec_neon.c dsp
+cp $1/src/dsp/dec_sse2.c dsp
+cp $1/src/dsp/dec_sse41.c dsp
+cp $1/src/dsp/filters.c dsp
+cp $1/src/dsp/filters_sse2.c dsp
+cp $1/src/dsp/lossless.c dsp
+cp $1/src/dsp/lossless_neon.c dsp
+cp $1/src/dsp/lossless_sse2.c dsp
+cp $1/src/dsp/rescaler.c dsp
+cp $1/src/dsp/rescaler_neon.c dsp
+cp $1/src/dsp/rescaler_sse2.c dsp
+cp $1/src/dsp/upsampling.c dsp
+cp $1/src/dsp/upsampling_neon.c dsp
+cp $1/src/dsp/upsampling_sse2.c dsp
+cp $1/src/dsp/yuv.c dsp
+cp $1/src/dsp/yuv_sse2.c dsp
+
+mkdir -p enc
+cp $1/src/enc/*.h enc
+
+mkdir -p utils
+cp $1/src/utils/*.h utils
+cp $1/src/utils/bit_reader_utils.c utils
+cp $1/src/utils/color_cache_utils.c utils
+cp $1/src/utils/filters_utils.c utils
+cp $1/src/utils/huffman_utils.c utils
+cp $1/src/utils/quant_levels_dec_utils.c utils
+cp $1/src/utils/quant_levels_utils.c utils
+cp $1/src/utils/random_utils.c utils
+cp $1/src/utils/rescaler_utils.c utils
+cp $1/src/utils/thread_utils.c utils
+cp $1/src/utils/utils.c utils

media/libwebp/utils/moz.build

@@ -0,0 +1,26 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+with Files('**'):
+    BUG_COMPONENT = ('Core', 'ImageLib')
+
+SOURCES += [
+    'bit_reader_utils.c',
+    'color_cache_utils.c',
+    'filters_utils.c',
+    'huffman_utils.c',
+    'quant_levels_dec_utils.c',
+    'quant_levels_utils.c',
+    'random_utils.c',
+    'rescaler_utils.c',
+    'thread_utils.c',
+    'utils.c',
+]
+
+FINAL_LIBRARY = 'gkmedias'
+
+# We allow warnings for third-party code that can be updated from upstream.
+ALLOW_COMPILER_WARNINGS = True