Build for Windows with libusb support

Fixes Genymobile#2773 <Genymobile#2773>
PR Genymobile#3011 <Genymobile#3011>

Author: rom1v

BUILD.md

@@ -161,7 +161,8 @@ install the required packages:
 ```bash
 # runtime dependencies
 pacman -S mingw-w64-x86_64-SDL2 \
-          mingw-w64-x86_64-ffmpeg
+          mingw-w64-x86_64-ffmpeg \
+          mingw-w64-x86_64-libusb
 
 # client build dependencies
 pacman -S mingw-w64-x86_64-make \
@@ -175,7 +176,8 @@ For a 32 bits version, replace `x86_64` by `i686`:
 ```bash
 # runtime dependencies
 pacman -S mingw-w64-i686-SDL2 \
-          mingw-w64-i686-ffmpeg
+          mingw-w64-i686-ffmpeg \
+          mingw-w64-i686-libusb
 
 # client build dependencies
 pacman -S mingw-w64-i686-make \

app/meson.build

@@ -74,7 +74,7 @@ if v4l2_support
     src += [ 'src/v4l2_sink.c' ]
 endif
 
-usb_support = get_option('usb') and host_machine.system() != 'windows'
+usb_support = get_option('usb')
 if usb_support
     src += [
         'src/usb/aoa_hid.c',
@@ -141,9 +141,22 @@ else
         include_directories: include_directories(ffmpeg_include_dir)
     )
 
+    prebuilt_libusb = meson.get_cross_property('prebuilt_libusb')
+    prebuilt_libusb_root = meson.get_cross_property('prebuilt_libusb_root')
+    libusb_bin_dir = meson.current_source_dir() + '/prebuilt-deps/data/' + prebuilt_libusb + '/dll'
+    libusb_include_dir = 'prebuilt-deps/data/' + prebuilt_libusb_root + '/include'
+
+    libusb = declare_dependency(
+        dependencies: [
+            cc.find_library('libusb-1.0', dirs: libusb_bin_dir),
+        ],
+        include_directories: include_directories(libusb_include_dir)
+    )
+
     dependencies = [
         ffmpeg,
         sdl2,
+        libusb,
         cc.find_library('mingw32')
     ]
 

app/prebuilt-deps/prepare-libusb.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+set -e
+DIR=$(dirname ${BASH_SOURCE[0]})
+cd "$DIR"
+. common
+mkdir -p "$PREBUILT_DATA_DIR"
+cd "$PREBUILT_DATA_DIR"
+
+DEP_DIR=libusb-1.0.25
+
+FILENAME=libusb-1.0.25.7z
+SHA256SUM=3d1c98416f454026034b2b5d67f8a294053898cb70a8b489874e75b136c6674d
+
+if [[ -d "$DEP_DIR" ]]
+then
+    echo "$DEP_DIR" found
+    exit 0
+fi
+
+get_file "https://github.com/libusb/libusb/releases/download/v1.0.25/$FILENAME" "$FILENAME" "$SHA256SUM"
+
+mkdir "$DEP_DIR"
+cd "$DEP_DIR"
+
+7z x "../$FILENAME" \
+    MinGW32/dll/libusb-1.0.dll \
+    MinGW64/dll/libusb-1.0.dll \
+    include /

cross_win32.txt

@@ -21,3 +21,5 @@ ffmpeg_avformat = 'avformat-58'
 ffmpeg_avutil = 'avutil-56'
 prebuilt_ffmpeg = 'ffmpeg-win32-4.3.1'
 prebuilt_sdl2 = 'SDL2-2.0.20/i686-w64-mingw32'
+prebuilt_libusb_root = 'libusb-1.0.25'
+prebuilt_libusb = prebuilt_libusb_root + '/MinGW32'

cross_win64.txt

@@ -21,3 +21,5 @@ ffmpeg_avformat = 'avformat-59'
 ffmpeg_avutil = 'avutil-57'
 prebuilt_ffmpeg = 'ffmpeg-win64-5.0'
 prebuilt_sdl2 = 'SDL2-2.0.20/x86_64-w64-mingw32'
+prebuilt_libusb_root = 'libusb-1.0.25'
+prebuilt_libusb = prebuilt_libusb_root + '/MinGW64'

release.mk

@@ -66,11 +66,13 @@ prepare-deps-win32:
 	@app/prebuilt-deps/prepare-adb.sh
 	@app/prebuilt-deps/prepare-sdl.sh
 	@app/prebuilt-deps/prepare-ffmpeg-win32.sh
+	@app/prebuilt-deps/prepare-libusb.sh
 
 prepare-deps-win64:
 	@app/prebuilt-deps/prepare-adb.sh
 	@app/prebuilt-deps/prepare-sdl.sh
 	@app/prebuilt-deps/prepare-ffmpeg-win64.sh
+	@app/prebuilt-deps/prepare-libusb.sh
 
 build-win32: prepare-deps-win32
 	[ -d "$(WIN32_BUILD_DIR)" ] || ( mkdir "$(WIN32_BUILD_DIR)" && \
@@ -107,6 +109,7 @@ dist-win32: build-server build-win32
 	cp app/prebuilt-deps/data/platform-tools-31.0.3/AdbWinApi.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
 	cp app/prebuilt-deps/data/platform-tools-31.0.3/AdbWinUsbApi.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
 	cp app/prebuilt-deps/data/SDL2-2.0.20/i686-w64-mingw32/bin/SDL2.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/libusb-1.0.25/MinGW32/dll/libusb-1.0.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
 
 dist-win64: build-server build-win64
 	mkdir -p "$(DIST)/$(WIN64_TARGET_DIR)"
@@ -125,6 +128,7 @@ dist-win64: build-server build-win64
 	cp app/prebuilt-deps/data/platform-tools-31.0.3/AdbWinApi.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
 	cp app/prebuilt-deps/data/platform-tools-31.0.3/AdbWinUsbApi.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
 	cp app/prebuilt-deps/data/SDL2-2.0.20/x86_64-w64-mingw32/bin/SDL2.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/libusb-1.0.25/MinGW64/dll/libusb-1.0.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
 
 zip-win32: dist-win32
 	cd "$(DIST)/$(WIN32_TARGET_DIR)"; \