wip linux webview

Fixes #6423.

.appveyor/install.bat

@@ -1,86 +0,0 @@
-@echo off
-
-IF "%BUILD_DIR%"=="" SET BUILD_DIR=C:\TBuild
-SET LIB_DIR=%BUILD_DIR%\Libraries
-SET SRC_DIR=%BUILD_DIR%\tdesktop
-SET QT_VERSION=5_6_2
-
-call:configureBuild
-call:getDependencies
-call:setupGYP
-cd %SRC_DIR%
-
-echo Finished!
-
-GOTO:EOF
-
-:: FUNCTIONS
-:logInfo
-    echo [INFO] %~1
-GOTO:EOF
-
-:logError
-    echo [ERROR] %~1
-GOTO:EOF
-
-:getDependencies
-    call:logInfo "Clone dependencies repository"
-    git clone -q --depth 1 --branch master https://github.com/telegramdesktop/dependencies_windows.git %LIB_DIR%
-    cd %LIB_DIR%
-
-    git clone --depth 1 --branch 0.10.0 https://github.com/ericniebler/range-v3
-
-    if exist prepare.bat (
-        call prepare.bat
-    ) else (
-        call:logError "Error cloning dependencies, trying again"
-        rmdir %LIB_DIR% /S /Q
-        call:getDependencies
-    )
-GOTO:EOF
-
-:setupGYP
-    call:logInfo "Setup GYP/Ninja and generate VS solution"
-    cd %LIB_DIR%
-    git clone https://github.com/telegramdesktop/gyp.git
-    cd gyp
-    git checkout tdesktop
-    SET PATH=%PATH%;%BUILD_DIR%\Libraries\gyp;%BUILD_DIR%\Libraries\ninja;
-    cd %SRC_DIR%
-    git submodule init
-    git submodule update
-    cd %SRC_DIR%\Telegram
-    call gyp\refresh.bat --api-id 17349 --api-hash 344583e45741c457fe1862106095a5eb --ci-build
- GOTO:EOF
-
-:configureBuild
-    call:logInfo "Configuring build"
-    call:logInfo "Build version: %BUILD_VERSION%"
-    set TDESKTOP_BUILD_DEFINES=
-
-    echo %BUILD_VERSION% | findstr /C:"disable_register_custom_scheme">nul && (
-        set TDESKTOP_BUILD_DEFINES=%TDESKTOP_BUILD_DEFINES%,TDESKTOP_DISABLE_REGISTER_CUSTOM_SCHEME
-    )
-
-    echo %BUILD_VERSION% | findstr /C:"disable_crash_reports">nul && (
-        set TDESKTOP_BUILD_DEFINES=%TDESKTOP_BUILD_DEFINES%,DESKTOP_APP_DISABLE_CRASH_REPORTS
-    )
-
-    echo %BUILD_VERSION% | findstr /C:"disable_network_proxy">nul && (
-        set TDESKTOP_BUILD_DEFINES=%TDESKTOP_BUILD_DEFINES%,TDESKTOP_DISABLE_NETWORK_PROXY
-    )
-
-    echo %BUILD_VERSION% | findstr /C:"disable_desktop_file_generation">nul && (
-        set TDESKTOP_BUILD_DEFINES=%TDESKTOP_BUILD_DEFINES%,TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION
-    )
-
-    echo %BUILD_VERSION% | findstr /C:"disable_gtk_integration">nul && (
-        set TDESKTOP_BUILD_DEFINES=%TDESKTOP_BUILD_DEFINES%,TDESKTOP_DISABLE_GTK_INTEGRATION
-    )
-
-    if not "%TDESKTOP_BUILD_DEFINES%" == "" (
-        set "TDESKTOP_BUILD_DEFINES=%TDESKTOP_BUILD_DEFINES:~1%"
-    )
-
-    call:logInfo "Build Defines: %TDESKTOP_BUILD_DEFINES%"
-GOTO:EOF

.github/ISSUE_TEMPLATE/BUG_REPORT.md

@@ -25,6 +25,8 @@ Tell us what happens instead
 
 **Version of Telegram Desktop:**
 
+**Installation source (Linux Only)** - the official website / GitHub releases / flatpak / snap / distribution package:
+
 **Used theme**:
 
 <details><summary><b>Logs</b>:</summary>

.github/no-response.yml

@@ -0,0 +1,11 @@
+# Number of days of inactivity before an Issue is closed for lack of response
+daysUntilClose: 30
+# Label requiring a response
+responseRequiredLabel: waiting for answer
+# Comment to post when closing an Issue for lack of response. Set to `false` to disable
+closeComment: >
+  This issue has been automatically closed because there has been no response
+  to our request for more information from the original author. With only the
+  information that is currently in the issue, we don't have enough information
+  to take action. Please reach out if you have or find the answers we need so
+  that we can investigate further.

.github/stale.yml

@@ -0,0 +1,21 @@
+# Number of days of inactivity before an issue becomes stale
+daysUntilStale: 180
+# Number of days of inactivity before a stale issue is closed
+daysUntilClose: 30
+# Issues with these labels will never be considered stale
+exemptLabels: []
+# Label to use when marking an issue as stale
+staleLabel: stale
+# Comment to post when marking an issue as stale. Set to `false` to disable
+markComment: |
+  Hey there!
+
+  This issue was inactive for a long time and will be automatically closed in 30 days if there isn't any further activity. We therefore assume that the user has lost interest or resolved the problem on their own.
+
+  Don't worry though; if this is an error, let us know with a comment and we'll be happy to reopen the issue.
+
+  Thanks!
+# Comment to post when closing a stale issue. Set to `false` to disable
+closeComment: false
+# Process only issues
+only: issues

.github/workflows/copyright_year_updater.yml

@@ -0,0 +1,16 @@
+name: Copyright year updater.
+
+on:
+  repository_dispatch:
+    types: ["Restart copyright_year_updater workflow."]
+  schedule:
+    # At 03:00 on January 1.
+    - cron: "0 3 1 1 *"
+
+jobs:
+  Copyright-year:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: desktop-app/action_code_updater@master
+        with:
+          type: "license-year"

.github/workflows/docker.yml

@@ -0,0 +1,25 @@
+name: Docker.
+
+on:
+  push:
+    paths:
+      - '.github/workflows/docker.yml'
+      - 'Telegram/build/docker/centos_env/**'
+  pull_request:
+    paths:
+      - '.github/workflows/docker.yml'
+      - 'Telegram/build/docker/centos_env/**'
+
+jobs:
+  docker:
+    name: Ubuntu
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Clone.
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+
+      - name: Docker image build.
+        run: docker build -t telegram_desktop Telegram/build/docker/centos_env

.github/workflows/issue_closer.yml

@@ -8,96 +8,7 @@ jobs:
   comment:
     runs-on: ubuntu-latest
     steps:
-      - name: Get the latest version.
-        run: |
-          tag=$(git ls-remote --tags git://github.com/$GITHUB_REPOSITORY | cut -f 2 | tail -n1)
-          echo $tag
-          echo ::set-env name=LATEST_TAG::$tag
-
-      - name: Check a version from an issue.
-        uses: actions/github-script@0.4.0
+      - name: Process an issue.
+        uses: desktop-app/action_issue_closer@master
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            let errorStr = "Version not found.";
-
-            let item1 = "Version of Telegram Desktop";
-            let item2 = "Used theme";
-            let body = context.payload.issue.body;
-
-            console.log("Body of issue:\n" + body);
-            let index1 = body.indexOf(item1) + item1.length;
-            let index2 = body.indexOf(item2);
-            index2 = (index2 == -1) ? Number.MAX_SAFE_INTEGER : index2;
-
-            console.log("Index 1: " + index1);
-            console.log("Index 2: " + index2);
-
-            if (index1 == -1) {
-              console.log(errorStr);
-              return;
-            }
-
-            function parseVersion(str) {
-              let pattern = /[0-9]\.[0-9][0-9.]{0,}/g;
-              return str.match(pattern);
-            }
-            function firstNum(version) {
-              return version[0].split(".")[0];
-            }
-
-            let issueVer = parseVersion(body.substring(index1, index2));
-
-            if (issueVer == undefined) {
-              console.log(errorStr);
-              return;
-            }
-            console.log("Version from issue: " + issueVer[0]);
-
-            let latestVer = parseVersion(process.env.LATEST_TAG);
-
-            if (latestVer == undefined) {
-              console.log(errorStr);
-              return;
-            }
-            console.log("Version from tags: " + latestVer[0]);
-
-            let issueNum = firstNum(issueVer);
-            let latestNum = firstNum(latestVer);
-
-            if (issueNum <= latestNum && issueNum < 5) {
-              console.log("Seems the version of this issue is fine!");
-              return;
-            }
-
-            let message = `
-            Sorry, but according to the version you specify in this issue, \
-            you are using the [Telegram for macOS](https://macos.telegram.org), \
-            not the [Telegram Desktop](https://desktop.telegram.org).
-            You can report your issue to [the group](https://t.me/macswift) \
-            or to [the repository of Telegram for macOS](https://github.com/overtake/TelegramSwift).
-
-            If I made a mistake and closed your issue wrongly, please reopen it. Thanks!
-            `;
-
-            let params = {
-              owner: context.issue.owner,
-              repo: context.issue.repo,
-              issue_number: context.issue.number
-            };
-
-            github.issues.createComment({
-              ...params,
-              body: message
-            });
-
-            github.issues.addLabels({
-              ...params,
-              labels: ['TG macOS Swift']
-            });
-
-            github.issues.update({
-              ...params,
-              state: 'closed'
-            });
-
+          token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/linux.yml

@@ -0,0 +1,138 @@
+name: Linux.
+
+on:
+  push:
+    paths-ignore:
+      - 'docs/**'
+      - '**.md'
+      - '!docs/building-cmake.md'
+      - 'changelog.txt'
+      - 'LEGAL'
+      - 'LICENSE'
+      - '.github/**'
+      - '!.github/workflows/linux.yml'
+      - 'snap/**'
+      - 'Telegram/build/**'
+      - 'Telegram/Patches/**'
+      - 'Telegram/Resources/uwp/**'
+      - 'Telegram/Resources/winrc/**'
+      - 'Telegram/SourceFiles/platform/win/**'
+      - 'Telegram/SourceFiles/platform/mac/**'
+      - 'Telegram/Telegram/**'
+      - 'Telegram/configure.bat'
+      - 'Telegram/Telegram.plist'
+  pull_request:
+    paths-ignore:
+      - 'docs/**'
+      - '**.md'
+      - '!docs/building-cmake.md'
+      - 'changelog.txt'
+      - 'LEGAL'
+      - 'LICENSE'
+      - '.github/**'
+      - '!.github/workflows/linux.yml'
+      - 'snap/**'
+      - 'Telegram/build/**'
+      - 'Telegram/Patches/**'
+      - 'Telegram/Resources/uwp/**'
+      - 'Telegram/Resources/winrc/**'
+      - 'Telegram/SourceFiles/platform/win/**'
+      - 'Telegram/SourceFiles/platform/mac/**'
+      - 'Telegram/Telegram/**'
+      - 'Telegram/configure.bat'
+      - 'Telegram/Telegram.plist'
+
+jobs:
+
+  linux:
+    name: CentOS 7
+    runs-on: ubuntu-latest
+    container:
+      image: docker.pkg.github.com/telegramdesktop/tdesktop/centos_env
+      credentials:
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    defaults:
+      run:
+        shell: scl enable devtoolset-9 -- bash --noprofile --norc -eo pipefail {0}
+
+    strategy:
+      matrix:
+        defines:
+          - ""
+          - "DESKTOP_APP_DISABLE_DBUS_INTEGRATION"
+          - "DESKTOP_APP_DISABLE_X11_INTEGRATION"
+          - "DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION"
+          - "DESKTOP_APP_DISABLE_GTK_INTEGRATION"
+          - "LIBTGVOIP_DISABLE_ALSA"
+          - "LIBTGVOIP_DISABLE_PULSEAUDIO"
+
+    env:
+      UPLOAD_ARTIFACT: "false"
+
+    steps:
+      - name: Get repository name.
+        run: echo "REPO_NAME=${GITHUB_REPOSITORY##*/}" >> $GITHUB_ENV
+
+      - name: Clone.
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+          path: ${{ env.REPO_NAME }}
+
+      - name: First set up.
+        run: |
+          gcc --version
+          ln -s $LibrariesPath Libraries
+
+      - name: Telegram Desktop build.
+        run: |
+          cd $REPO_NAME/Telegram
+
+          DEFINE=""
+          if [ -n "${{ matrix.defines }}" ]; then
+            DEFINE="-D ${{ matrix.defines }}=ON"
+            echo Define from matrix: $DEFINE
+            echo "ARTIFACT_NAME=Telegram_${{ matrix.defines }}" >> $GITHUB_ENV
+          else
+            echo "ARTIFACT_NAME=Telegram" >> $GITHUB_ENV
+          fi
+
+          ./configure.sh \
+          -D CMAKE_C_FLAGS="-Werror" \
+          -D CMAKE_CXX_FLAGS="-Werror" \
+          -D CMAKE_EXE_LINKER_FLAGS="-s" \
+          -D TDESKTOP_API_TEST=ON \
+          -D DESKTOP_APP_USE_PACKAGED=OFF \
+          -D DESKTOP_APP_DISABLE_CRASH_REPORTS=OFF \
+          $DEFINE
+
+          cd ../out/Debug
+          make -j$(nproc)
+
+      - name: Check.
+        run: |
+          filePath="$REPO_NAME/out/Debug/bin/Telegram"
+          if test -f "$filePath"; then
+            echo "Build successfully done! :)"
+
+            size=$(stat -c %s "$filePath")
+            echo "File size of ${filePath}: ${size} Bytes."
+          else
+            echo "Build error, output file does not exist."
+            exit 1
+          fi
+
+      - name: Move artifact.
+        if: env.UPLOAD_ARTIFACT == 'true'
+        run: |
+          cd $REPO_NAME/out/Debug/bin
+          mkdir artifact
+          mv Telegram artifact/
+      - uses: actions/upload-artifact@master
+        if: env.UPLOAD_ARTIFACT == 'true'
+        name: Upload artifact.
+        with:
+          name: ${{ env.ARTIFACT_NAME }}
+          path: ${{ env.REPO_NAME }}/out/Debug/bin/artifact/

.github/workflows/lock.yml

@@ -0,0 +1,23 @@
+name: 'Lock Threads'
+
+on:
+  schedule:
+    - cron: '0 * * * *'
+
+jobs:
+  lock:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dessant/lock-threads@v2
+        with:
+          github-token: ${{ github.token }}
+          issue-lock-inactive-days: 45
+          pr-lock-inactive-days: 45
+          issue-lock-comment: >
+            This issue has been automatically locked since there
+            has not been any recent activity after it was closed.
+            Please open a new issue for related bugs.
+          pr-lock-comment: >
+            This pull request has been automatically locked since there
+            has not been any recent activity after it was closed.
+            Please open a new issue for related bugs.

.github/workflows/mac.yml

@@ -4,11 +4,41 @@ on:
   push:
     paths-ignore:
       - 'docs/**'
-      - '*.md'
+      - '**.md'
+      - '!docs/building-xcode.md'
+      - 'changelog.txt'
+      - 'LEGAL'
+      - 'LICENSE'
+      - '.github/**'
+      - '!.github/workflows/mac.yml'
+      - 'lib/xdg/**'
+      - 'snap/**'
+      - 'Telegram/build/**'
+      - 'Telegram/Patches/**'
+      - 'Telegram/Resources/uwp/**'
+      - 'Telegram/Resources/winrc/**'
+      - 'Telegram/SourceFiles/platform/win/**'
+      - 'Telegram/SourceFiles/platform/linux/**'
+      - 'Telegram/configure.bat'
   pull_request:
     paths-ignore:
       - 'docs/**'
-      - '*.md'
+      - '**.md'
+      - '!docs/building-xcode.md'
+      - 'changelog.txt'
+      - 'LEGAL'
+      - 'LICENSE'
+      - '.github/**'
+      - '!.github/workflows/mac.yml'
+      - 'lib/xdg/**'
+      - 'snap/**'
+      - 'Telegram/build/**'
+      - 'Telegram/Patches/**'
+      - 'Telegram/Resources/uwp/**'
+      - 'Telegram/Resources/winrc/**'
+      - 'Telegram/SourceFiles/platform/win/**'
+      - 'Telegram/SourceFiles/platform/linux/**'
+      - 'Telegram/configure.bat'
 
 jobs:
 
@@ -26,55 +56,56 @@ jobs:
       GIT: "https://github.com"
       PREFIX: "/usr/local/macos"
       MACOSX_DEPLOYMENT_TARGET: "10.12"
-      XZ: "xz-5.0.5"
-      QT: "5_12_5"
+      XZ: "xz-5.2.5"
+      QT: "5_15_2"
       OPENSSL_VER: "1_1_1"
-      QT_PREFIX: "/usr/local/desktop-app/Qt-5.12.5"
-      LIBICONV_VER: "libiconv-1.15"
+      QT_PREFIX: "/usr/local/desktop-app/Qt-5.15.2"
+      LIBICONV_VER: "libiconv-1.16"
       UPLOAD_ARTIFACT: "false"
-      MANUAL_CACHING: "1"
+      ONLY_CACHE: "false"
+      MANUAL_CACHING: "2"
       DOC_PATH: "docs/building-xcode.md"
+      AUTO_CACHING: "1"
+
     steps:
       - name: Get repository name.
-        run: echo ::set-env name=REPO_NAME::${GITHUB_REPOSITORY##*/}
+        run: echo "REPO_NAME=${GITHUB_REPOSITORY##*/}" >> $GITHUB_ENV
 
       - name: Clone.
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
         with:
           submodules: recursive
+          path: ${{ env.REPO_NAME }}
 
       - name: First set up.
         run: |
-          cd ..
-          mv $REPO_NAME temp
-          mkdir $REPO_NAME
-          mv temp $REPO_NAME/$REPO_NAME
-          cd $REPO_NAME
-
+          sudo chown -R `whoami`:admin /usr/local/share
           brew install automake fdk-aac lame libass libtool libvorbis libvpx \
           ninja opus sdl shtool texi2html theora x264 xvid yasm pkg-config
 
+          # Disable spotlight.
+          sudo mdutil -a -i off
+
           sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
 
           xcodebuild -version > CACHE_KEY.txt
           echo $MIN_MAC >> CACHE_KEY.txt
           echo $PREFIX >> CACHE_KEY.txt
           echo $MANUAL_CACHING >> CACHE_KEY.txt
-          echo ::set-env name=CACHE_KEY::`md5 -q CACHE_KEY.txt`
+          echo "$GITHUB_WORKSPACE" >> CACHE_KEY.txt
+          if [ "$AUTO_CACHING" == "1" ]; then
+            thisFile=$REPO_NAME/.github/workflows/mac.yml
+            echo `md5 -q $thisFile` >> CACHE_KEY.txt
+          fi
+          echo "CACHE_KEY=`md5 -q CACHE_KEY.txt`" >> $GITHUB_ENV
 
-          echo ::add-path::$PWD/Libraries/depot_tools
+          echo "$PWD/Libraries/depot_tools" >> $GITHUB_PATH
 
           mkdir -p Libraries/macos
           cd Libraries/macos
-          echo ::set-env name=LibrariesPath::`pwd`
+          echo "LibrariesPath=`pwd`" >> $GITHUB_ENV
 
-      - name: Range-v3.
-        run: |
-          echo "Find necessary branch from doc."
-          cloneRange=$(grep -A 1 "range-v3" $REPO_NAME/$DOC_PATH | sed -n 1p)
-          cd $LibrariesPath
-          echo $cloneRange
-          eval $cloneRange
+          curl -o tg_owt-version.json https://api.github.com/repos/desktop-app/tg_owt/git/refs/heads/master
 
       - name: Patches.
         run: |
@@ -106,9 +137,23 @@ jobs:
           make -j$(nproc)
           sudo make install
 
+      - name: MozJPEG.
+        run: |
+          cd $LibrariesPath
+
+          git clone -b v4.0.1-rc2 $GIT/mozilla/mozjpeg.git
+          cd mozjpeg
+          cmake -B build . \
+          -DCMAKE_BUILD_TYPE=Release \
+          -DCMAKE_INSTALL_PREFIX=$PREFIX \
+          -DWITH_JPEG8=ON \
+          -DPNG_SUPPORTED=OFF
+          cmake --build build -j$(nproc)
+          sudo cmake --install build
+
       - name: OpenSSL cache.
         id: cache-openssl
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ${{ env.LibrariesPath }}/openssl_${{ env.OPENSSL_VER }}
           key: ${{ runner.OS }}-${{ env.OPENSSL_VER }}-${{ env.CACHE_KEY }}
@@ -117,21 +162,31 @@ jobs:
         run: |
           cd $LibrariesPath
 
-          git clone $GIT/openssl/openssl openssl_$OPENSSL_VER
-          cd openssl_$OPENSSL_VER
+          git clone $GIT/openssl/openssl openssl
+          cd openssl
           git checkout OpenSSL_"$OPENSSL_VER"-stable
           ./Configure \
           --prefix=$PREFIX \
+          no-tests \
           darwin64-x86_64-cc \
           -static \
           $MIN_MAC
           make build_libs -j$(nproc)
 
+          SSL_DIR=$LibrariesPath/openssl_$OPENSSL_VER
+          mkdir -p $SSL_DIR/include
+          copyLib() {
+            cp $1.a $SSL_DIR/$1.a
+          }
+          copyLib libssl
+          copyLib libcrypto
+          sudo cp -R include/. $SSL_DIR/include/
+
       - name: Opus cache.
         id: cache-opus
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
-          path: ${{ env.LibrariesPath }}/opus
+          path: ${{ env.LibrariesPath }}/opus-cache
           key: ${{ runner.OS }}-opus-${{ env.CACHE_KEY }}
       - name: Opus.
         if: steps.cache-opus.outputs.cache-hit != 'true'
@@ -144,16 +199,17 @@ jobs:
           ./autogen.sh
           CFLAGS="$MIN_MAC $UNGUARDED" CPPFLAGS="$MIN_MAC $UNGUARDED" LDFLAGS="$MIN_MAC" ./configure --prefix=$PREFIX
           make -j$(nproc)
+          sudo make DESTDIR="$LibrariesPath/opus-cache" install
       - name: Opus install.
         run: |
-          cd $LibrariesPath/opus
-          sudo make install
+          cd $LibrariesPath
+          sudo cp -R opus-cache/. /
 
       - name: Libiconv cache.
         id: cache-libiconv
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
-          path: ${{ env.LibrariesPath }}/${{ env.LIBICONV_VER }}
+          path: ${{ env.LibrariesPath }}/libiconv-cache
           key: ${{ runner.OS }}-${{ env.LIBICONV_VER }}-${{ env.CACHE_KEY }}
       - name: Libiconv.
         if: steps.cache-libiconv.outputs.cache-hit != 'true'
@@ -165,16 +221,17 @@ jobs:
           cd $LIBICONV_VER
           CFLAGS="$MIN_MAC $UNGUARDED" CPPFLAGS="$MIN_MAC $UNGUARDED" LDFLAGS="$MIN_MAC" ./configure --enable-static --prefix=$PREFIX
           make -j$(nproc)
+          sudo make DESTDIR="$LibrariesPath/libiconv-cache" install
       - name: Libiconv install.
         run: |
-          cd $LibrariesPath/$LIBICONV_VER
-          sudo make install
+          cd $LibrariesPath
+          sudo cp -R libiconv-cache/. /
 
       - name: FFmpeg cache.
         id: cache-ffmpeg
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
-          path: ${{ env.LibrariesPath }}/ffmpeg
+          path: ${{ env.LibrariesPath }}/ffmpeg-cache
           key: ${{ runner.OS }}-ffmpeg-${{ env.CACHE_KEY }}
       - name: FFmpeg.
         if: steps.cache-ffmpeg.outputs.cache-hit != 'true'
@@ -183,16 +240,18 @@ jobs:
 
           git clone $GIT/FFmpeg/FFmpeg.git ffmpeg
           cd ffmpeg
-          git checkout release/3.4
+          git checkout release/4.2
           CFLAGS=`freetype-config --cflags`
           LDFLAGS=`freetype-config --libs`
           PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig:/usr/lib/pkgconfig:/usr/X11/lib/pkgconfig
 
-          ./configure --prefix=/usr/local \
+          ./configure --prefix=$LibrariesPath/ffmpeg-cache \
           --extra-cflags="$MIN_MAC $UNGUARDED" \
           --extra-cxxflags="$MIN_MAC $UNGUARDED" \
           --extra-ldflags="$MIN_MAC" \
-          --enable-protocol=file --enable-libopus \
+          --x86asmexe=`pwd`/macos_yasm_wrap.sh \
+          --enable-protocol=file \
+          --enable-libopus \
           --disable-programs \
           --disable-doc \
           --disable-network \
@@ -290,19 +349,30 @@ jobs:
           --enable-muxer=opus
 
           make -j$(nproc)
+          sudo make install
       - name: FFmpeg install.
         run: |
-          cd $LibrariesPath/ffmpeg
-          sudo make install
+          cd $LibrariesPath
+          # List of files from cmake/external/ffmpeg/CMakeLists.txt.
+          copyLib() {
+            mkdir -p ffmpeg/$1
+            \cp -fR ffmpeg-cache/lib/$1.a ffmpeg/$1/$1.a
+          }
+          copyLib libavformat
+          copyLib libavcodec
+          copyLib libswresample
+          copyLib libswscale
+          copyLib libavutil
+
+          sudo cp -R ffmpeg-cache/. $PREFIX
+          sudo cp -R ffmpeg-cache/include/. ffmpeg/
 
       - name: OpenAL Soft.
         run: |
           cd $LibrariesPath
 
-          git clone $GIT/kcat/openal-soft.git
-          cd openal-soft
-          git checkout openal-soft-1.19.1
-          cd build
+          git clone --branch capture_with_webrtc $GIT/telegramdesktop/openal-soft.git
+          cd openal-soft/build
 
           CFLAGS="$UNGUARDED" CPPFLAGS="$UNGUARDED" cmake \
           -D CMAKE_INSTALL_PREFIX:PATH=$PREFIX \
@@ -315,7 +385,7 @@ jobs:
 
       - name: Crashpad cache.
         id: cache-crashpad
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ${{ env.LibrariesPath }}/crashpad
           key: ${{ runner.OS }}-crashpad-${{ env.CACHE_KEY }}-${{ hashFiles('**/crashpad.diff') }}-${{ hashFiles('**/mini_chromium.diff') }}
@@ -352,32 +422,32 @@ jobs:
           build/gyp_crashpad.py -Dmac_deployment_target=10.10
           ninja -C out/Debug
 
-      - name: Qt 5.12.5 cache.
+      - name: Qt 5.15.2 cache.
         id: cache-qt
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ${{ env.LibrariesPath }}/qt-cache
-          key: ${{ runner.OS }}-qt-${{ env.CACHE_KEY }}-${{ hashFiles('**/qtbase_5_12_5.diff') }}
-      - name: Use cached Qt 5.12.5.
+          key: ${{ runner.OS }}-qt-${{ env.CACHE_KEY }}-${{ hashFiles('**/qtbase_5_15_2/*') }}
+      - name: Use cached Qt 5.15.2.
         if: steps.cache-qt.outputs.cache-hit == 'true'
         run: |
           cd $LibrariesPath
-          mv qt-cache Qt-5.12.5
+          mv qt-cache Qt-5.15.2
           sudo mkdir -p $QT_PREFIX
-          sudo mv -f Qt-5.12.5 /usr/local/desktop-app/
-      - name: Build Qt 5.12.5.
+          sudo mv -f Qt-5.15.2 "$(dirname "$QT_PREFIX")"/
+      - name: Qt 5.15.2 build.
         if: steps.cache-qt.outputs.cache-hit != 'true'
         run: |
           cd $LibrariesPath
 
-          git clone git://code.qt.io/qt/qt5.git qt$QT
-          cd qt$QT
+          git clone git://code.qt.io/qt/qt5.git qt_$QT
+          cd qt_$QT
           perl init-repository --module-subset=qtbase,qtimageformats
-          git checkout v5.12.5
+          git checkout v5.15.2
           git submodule update qtbase
           git submodule update qtimageformats
           cd qtbase
-          git apply ../../patches/qtbase_$QT.diff
+          find ../../patches/qtbase_$QT -type f -print0 | sort -z | xargs -0 git apply
           cd ..
 
           ./configure \
@@ -392,7 +462,10 @@ jobs:
           -securetransport \
           -nomake examples \
           -nomake tests \
-          -platform macx-clang
+          -platform macx-clang \
+          -I "$PREFIX/include" \
+          LIBJPEG_LIBS="$PREFIX/lib/libjpeg.a" \
+          ZLIB_LIBS="$PREFIX/lib/libz.a"
 
           make -j$(nproc)
           sudo make install
@@ -400,7 +473,39 @@ jobs:
           make clean
           cp -r $QT_PREFIX $LibrariesPath/qt-cache
 
-      - name: Build Telegram Desktop.
+      - name: WebRTC cache.
+        id: cache-webrtc
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.LibrariesPath }}/tg_owt
+          key: ${{ runner.OS }}-webrtc-${{ env.CACHE_KEY }}-${{ hashFiles('**/tg_owt-version.json') }}
+      - name: WebRTC.
+        if: steps.cache-webrtc.outputs.cache-hit != 'true'
+        run: |
+          cd $LibrariesPath
+
+          git clone --recursive $GIT/desktop-app/tg_owt.git
+          mkdir -p tg_owt/out/Debug
+          cd tg_owt/out/Debug
+          cmake -G Ninja \
+          -DCMAKE_BUILD_TYPE=Debug \
+          -DTG_OWT_SPECIAL_TARGET=mac \
+          -DTG_OWT_LIBJPEG_INCLUDE_PATH=$PREFIX/include \
+          -DTG_OWT_OPENSSL_INCLUDE_PATH=`pwd`/../../../openssl_$OPENSSL_VER/include \
+          -DTG_OWT_OPUS_INCLUDE_PATH=$PREFIX/include/opus \
+          -DTG_OWT_FFMPEG_INCLUDE_PATH=$PREFIX/include \
+          ../..
+          ninja
+
+          # Cleanup.
+          cd $LibrariesPath/tg_owt
+          mv out/Debug/libtg_owt.a libtg_owt.a
+          rm -rf out
+          mkdir -p out/Debug
+          mv libtg_owt.a out/Debug/libtg_owt.a
+
+      - name: Telegram Desktop build.
+        if: env.ONLY_CACHE == 'false'
         run: |
           cd $REPO_NAME/Telegram
 
@@ -408,9 +513,18 @@ jobs:
           if [ -n "${{ matrix.defines }}" ]; then
             DEFINE="-D ${{ matrix.defines }}=ON"
             echo Define from matrix: $DEFINE
+            echo "ARTIFACT_NAME=Telegram_${{ matrix.defines }}" >> $GITHUB_ENV
+          else
+            echo "ARTIFACT_NAME=Telegram" >> $GITHUB_ENV
           fi
 
-          ./configure.sh -D TDESKTOP_API_TEST=ON -D DESKTOP_APP_USE_PACKAGED=OFF $DEFINE
+          ./configure.sh \
+          -D CMAKE_C_FLAGS="-Werror" \
+          -D CMAKE_CXX_FLAGS="-Werror" \
+          -D TDESKTOP_API_TEST=ON \
+          -D DESKTOP_APP_USE_PACKAGED=OFF \
+          -D DESKTOP_APP_DISABLE_CRASH_REPORTS=OFF \
+          $DEFINE
 
           cd ../out
 
@@ -428,5 +542,5 @@ jobs:
         if: env.UPLOAD_ARTIFACT == 'true'
         name: Upload artifact.
         with:
-          name: Telegram
+          name: ${{ env.ARTIFACT_NAME }}
           path: ${{ env.REPO_NAME }}/out/Debug/artifact/

.github/workflows/master_updater.yml

@@ -0,0 +1,35 @@
+name: Master branch updater.
+
+on:
+  release:
+    types: released
+
+jobs:
+  updater:
+    runs-on: ubuntu-latest
+    env:
+      SKIP: "0"
+      to_branch: "master"
+    steps:
+      - uses: actions/checkout@v1
+        if: env.SKIP == '0'
+      - name: Push the code to the master branch.
+        if: env.SKIP == '0'
+        run: |
+          token=${{ secrets.TOKEN_FOR_MASTER_UPDATER }}
+          if [ -z "${token}" ]; then
+              echo "Token is unset. Nothing to do."
+              exit 0
+          fi
+
+          url=https://x-access-token:$token@github.com/$GITHUB_REPOSITORY
+          latest_tag=$(git describe --tags --abbrev=0)
+          echo "Latest tag: $latest_tag"
+
+          git remote set-url origin $url
+          git remote -v
+          git checkout master
+          git merge $latest_tag
+
+          git push origin HEAD:refs/heads/$to_branch
+          echo "Done!"

.github/workflows/snap.yml

@@ -0,0 +1,90 @@
+name: Snap.
+
+on:
+  push:
+    paths-ignore:
+      - 'docs/**'
+      - '**.md'
+      - 'changelog.txt'
+      - 'LEGAL'
+      - 'LICENSE'
+      - '.github/**'
+      - '!.github/workflows/snap.yml'
+      - 'Telegram/build/**'
+      - 'Telegram/Patches/**'
+      - 'Telegram/Resources/uwp/**'
+      - 'Telegram/Resources/winrc/**'
+      - 'Telegram/SourceFiles/platform/win/**'
+      - 'Telegram/SourceFiles/platform/mac/**'
+      - 'Telegram/Telegram/**'
+      - 'Telegram/configure.bat'
+      - 'Telegram/Telegram.plist'
+  pull_request:
+    paths-ignore:
+      - 'docs/**'
+      - '**.md'
+      - 'changelog.txt'
+      - 'LEGAL'
+      - 'LICENSE'
+      - '.github/**'
+      - '!.github/workflows/snap.yml'
+      - 'Telegram/build/**'
+      - 'Telegram/Patches/**'
+      - 'Telegram/Resources/uwp/**'
+      - 'Telegram/Resources/winrc/**'
+      - 'Telegram/SourceFiles/platform/win/**'
+      - 'Telegram/SourceFiles/platform/mac/**'
+      - 'Telegram/Telegram/**'
+      - 'Telegram/configure.bat'
+      - 'Telegram/Telegram.plist'
+
+jobs:
+
+  linux:
+    name: Ubuntu
+    runs-on: ubuntu-latest
+
+    env:
+      UPLOAD_ARTIFACT: "false"
+
+    steps:
+      - name: Clone.
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: First set up.
+        run: |
+          sudo apt-get purge --autoremove lxd
+
+          sudo snap install --classic snapcraft
+          sudo snap install lxd
+
+          # Workaround for snapcraft
+          # See https://forum.snapcraft.io/t/13258
+          sudo chown root:root /
+
+          sudo usermod -aG lxd $USER
+
+          sudo snap run lxd init --auto
+          sudo snap run lxd waitready
+
+      - name: Telegram Desktop snap build.
+        run: sg lxd -c 'snap run snapcraft --use-lxd'
+
+      - name: Move artifact.
+        if: env.UPLOAD_ARTIFACT == 'true'
+        run: |
+          artifact_name=$(echo telegram-desktop_*.snap)
+          echo "ARTIFACT_NAME=$artifact_name" >> $GITHUB_ENV
+
+          mkdir artifact
+          mv $artifact_name artifact
+
+      - uses: actions/upload-artifact@master
+        if: env.UPLOAD_ARTIFACT == 'true'
+        name: Upload artifact.
+        with:
+          name: ${{ env.ARTIFACT_NAME }}
+          path: artifact

.github/workflows/user_agent_updater.yml

@@ -0,0 +1,18 @@
+name: User-agent updater.
+
+on:
+  repository_dispatch:
+    types: ["Restart user_agent_updater workflow."]
+  schedule:
+    # At 00:00 on day-of-month 1.
+    - cron: "0 0 1 * *"
+  pull_request_target:
+    types: [closed]
+
+jobs:
+  User-agent:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: desktop-app/action_code_updater@master
+        with:
+          type: "user-agent"

.github/workflows/win.yml

@@ -4,11 +4,46 @@ on:
   push:
     paths-ignore:
       - 'docs/**'
-      - '*.md'
+      - '**.md'
+      - '!docs/building-msvc.md'
+      - 'changelog.txt'
+      - 'LEGAL'
+      - 'LICENSE'
+      - '.github/**'
+      - '!.github/workflows/win.yml'
+      - 'lib/xdg/**'
+      - 'snap/**'
+      - 'Telegram/build/**'
+      - 'Telegram/Patches/**'
+      - '!Telegram/Patches/build_ffmpeg_win.sh'
+      - 'Telegram/Resources/uwp/**'
+      - 'Telegram/SourceFiles/platform/linux/**'
+      - 'Telegram/SourceFiles/platform/mac/**'
+      - 'Telegram/Telegram/**'
+      - 'Telegram/configure.sh'
+      - 'Telegram/Telegram.plist'
   pull_request:
     paths-ignore:
       - 'docs/**'
-      - '*.md'
+      - '**.md'
+      - '!docs/building-msvc.md'
+      - 'changelog.txt'
+      - 'LEGAL'
+      - 'LICENSE'
+      - '.github/**'
+      - '!.github/workflows/win.yml'
+      - 'lib/xdg/**'
+      - 'snap/**'
+      - 'Telegram/build/**'
+      - 'Telegram/Patches/**'
+      - '!Telegram/Patches/build_ffmpeg_win.sh'
+      - 'Telegram/Resources/uwp/**'
+      - 'Telegram/SourceFiles/platform/linux/**'
+      - 'Telegram/SourceFiles/platform/mac/**'
+      - '!Telegram/Patches/breakpad.diff'
+      - 'Telegram/Telegram/**'
+      - 'Telegram/configure.sh'
+      - 'Telegram/Telegram.plist'
 
 jobs:
 
@@ -24,64 +59,60 @@ jobs:
       SDK: "10.0.18362.0"
       VC: "call vcvars32.bat && cd Libraries"
       GIT: "https://github.com"
-      QT: "5_12_5"
+      QT: "5_15_2"
+      QT_VER: "5.15.2"
       OPENSSL_VER: "1_1_1"
       UPLOAD_ARTIFACT: "false"
-      MANUAL_CACHING: "1"
+      ONLY_CACHE: "false"
+      MANUAL_CACHING: "2"
       DOC_PATH: "docs/building-msvc.md"
+      AUTO_CACHING: "1"
+
+    defaults:
+      run:
+        shell: cmd
+
     steps:
       - name: Get repository name.
         shell: bash
-        run: echo ::set-env name=REPO_NAME::${GITHUB_REPOSITORY##*/}
+        run: echo "REPO_NAME=${GITHUB_REPOSITORY##*/}" >> $GITHUB_ENV
+
+      - name: Set up environment paths.
+        shell: bash
+        run: |
+          echo "C:\\Strawberry\\perl\\bin\\" >> $GITHUB_PATH
+          echo "C:\\Program Files\\NASM\\" >> $GITHUB_PATH
+          echo "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\VC\\Auxiliary\\Build\\" >> $GITHUB_PATH
+
+          mkdir Libraries && cd Libraries
+          echo "Convert unix path to win path."
+          p=`pwd | sed 's#^/[d]#d:#g' |sed 's#/#\\\\#g'`
+          echo "LibrariesPath=$p" >> $GITHUB_ENV
+
+      - name: Save msbuild version.
+        run: |
+          call vcvars32.bat
+          msbuild -version > CACHE_KEY.txt
 
       - name: Clone.
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
         with:
           submodules: recursive
-
-      - name: Set up environment variables.
-        shell: cmd
-        run: |
-          cd ..
-          move %REPO_NAME% temp
-          mkdir %REPO_NAME%
-          move temp %REPO_NAME%/%REPO_NAME%
-          cd %REPO_NAME%
-
-          echo ::add-path::C:\Strawberry\perl\bin\
-          echo ::add-path::"%programfiles%\NASM"
-
-          C:
-          cd "%programfiles(x86)%\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\"
-          echo ::add-path::%cd%
-
-          call vcvars32.bat
-          D:
-          cd %GITHUB_WORKSPACE%
-          msbuild -version > CACHE_KEY.txt
-          echo %MANUAL_CACHING% >> CACHE_KEY.txt
-
-          mkdir Libraries
-          cd Libraries
-          echo ::set-env name=LibrariesPath::%cd%
+          path: ${{ env.REPO_NAME }}
 
       - name: Generate cache key.
         shell: bash
         run: |
-          echo ::set-env name=CACHE_KEY::`md5sum CACHE_KEY.txt | awk '{ print $1 }'`
+          curl -o $LibrariesPath/tg_owt-version.json https://api.github.com/repos/desktop-app/tg_owt/git/refs/heads/master
+          echo $MANUAL_CACHING >> CACHE_KEY.txt
+          if [ "$AUTO_CACHING" == "1" ]; then
+            thisFile=$REPO_NAME/.github/workflows/win.yml
+            echo `md5sum $thisFile | awk '{ print $1 }'` >> CACHE_KEY.txt
+          fi
+          echo "CACHE_KEY=`md5sum CACHE_KEY.txt | awk '{ print $1 }'`" >> $GITHUB_ENV
 
       - name: Choco installs.
-        run: |
-          choco install --no-progress -y nasm yasm jom ninja
-
-      - name: Range-v3.
-        shell: bash
-        run: |
-          echo "Find necessary branch from doc."
-          cloneRange=$(grep -A 1 "range-v3" $REPO_NAME/$DOC_PATH | sed -n 1p)
-          cd $LibrariesPath
-          echo $cloneRange
-          eval $cloneRange
+        run: choco install --no-progress -y nasm yasm jom ninja
 
       - name: Patches.
         shell: bash
@@ -93,8 +124,19 @@ jobs:
           cd Patches
           eval $checkoutCommit
 
+      - name: Find any version of Python 2.
+        shell: bash
+        run: |
+          echo "Find any version of Python 2."
+          p=`ls /c/hostedtoolcache/windows/python | grep "^2" | tail -1`
+          if [ -z "$p" ]; then
+            echo "Python 2 is not found."
+            exit 1
+          fi
+          echo "PY2=C:\\hostedtoolcache\\windows\\Python\\$p\\x64" >> $GITHUB_ENV
+          echo "Found $p."
+
       - name: LZMA.
-        shell: cmd
         run: |
           %VC%
 
@@ -105,20 +147,19 @@ jobs:
 
       - name: OpenSSL cache.
         id: cache-openssl
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ${{ env.LibrariesPath }}/openssl_${{ env.OPENSSL_VER }}
           key: ${{ runner.OS }}-${{ env.CACHE_KEY }}-${{ env.OPENSSL_VER }}
       - name: OpenSSL.
         if: steps.cache-openssl.outputs.cache-hit != 'true'
-        shell: cmd
         run: |
           %VC%
 
           git clone %GIT%/openssl/openssl.git openssl_%OPENSSL_VER%
           cd openssl_%OPENSSL_VER%
           git checkout OpenSSL_%OPENSSL_VER%-stable
-          perl Configure no-shared debug-VC-WIN32
+          perl Configure no-shared no-tests debug-VC-WIN32
           nmake
           mkdir out32.dbg
           move libcrypto.lib out32.dbg
@@ -126,7 +167,7 @@ jobs:
           move ossl_static.pdb out32.dbg\ossl_static
           nmake clean
           move out32.dbg\ossl_static out32.dbg\ossl_static.pdb
-          perl Configure no-shared VC-WIN32
+          perl Configure no-shared no-tests VC-WIN32
           nmake
           mkdir out32
           move libcrypto.lib out32
@@ -134,9 +175,9 @@ jobs:
           move ossl_static.pdb out32
 
           rmdir /S /Q test
+          rmdir /S /Q .git
 
       - name: Zlib.
-        shell: cmd
         run: |
           %VC%
 
@@ -146,33 +187,45 @@ jobs:
           cd contrib\vstudio\vc14
           msbuild -m zlibstat.vcxproj /property:Configuration=Debug
 
+      - name: MozJPEG.
+        shell: cmd
+        run: |
+          %VC%
+
+          git clone -b v4.0.1-rc2 %GIT%/mozilla/mozjpeg.git
+          cd mozjpeg
+          cmake . ^
+          -G "Visual Studio 16 2019" ^
+          -A Win32 ^
+          -DWITH_JPEG8=ON ^
+          -DPNG_SUPPORTED=OFF
+          cmake --build . --config Debug
+
       - name: OpenAL Soft cache.
         id: cache-openal
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ${{ env.LibrariesPath }}/openal-soft
           key: ${{ runner.OS }}-openal-soft-${{ env.CACHE_KEY }}
       - name: OpenAL Soft.
-        shell: cmd
         if: steps.cache-openal.outputs.cache-hit != 'true'
         run: |
           %VC%
 
-          git clone %GIT%/telegramdesktop/openal-soft.git
-          cd openal-soft
-          git checkout fix_capture
-          cd build
-          cmake ^
+          git clone -b openal-soft-1.21.0 --depth=1 %GIT%/kcat/openal-soft.git
+          cd openal-soft\build
+          cmake .. ^
           -G "Visual Studio 16 2019" ^
           -A Win32 ^
           -D LIBTYPE:STRING=STATIC ^
-          -D FORCE_STATIC_VCRT:STRING=ON ..
+          -D FORCE_STATIC_VCRT=ON ^
+          -D ALSOFT_BACKEND_DSOUND=OFF
 
           msbuild -m OpenAL.vcxproj /property:Configuration=Debug
 
       - name: Breakpad cache.
         id: cache-breakpad
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ${{ env.LibrariesPath }}/breakpad
           key: ${{ runner.OS }}-breakpad-${{ env.CACHE_KEY }}-${{ hashFiles('**/breakpad.diff') }}
@@ -180,21 +233,10 @@ jobs:
         env:
           GYP_MSVS_OVERRIDE_PATH: 'C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\'
           GYP_MSVS_VERSION: 2019
-        shell: cmd
         if: steps.cache-breakpad.outputs.cache-hit != 'true'
         run: |
           cd %LibrariesPath%
 
-          echo Find any version of Python 2.
-          for /D %%a in (C:\hostedtoolcache\windows\Python\2.*) do (
-            SET PY2=%%a\x64
-          )
-          IF [%PY2%] == [] (
-            echo Python 2 is not found.
-            exit 1
-          )
-          echo Found %PY2%.
-
           git clone %GIT%/telegramdesktop/gyp.git
           cd gyp
           SET PATH=%PY2%;%cd%;%PATH%
@@ -221,12 +263,12 @@ jobs:
 
       - name: Opus cache.
         id: cache-opus
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ${{ env.LibrariesPath }}/opus
           key: ${{ runner.OS }}-opus-${{ env.CACHE_KEY }}
       - name: Opus.
-        shell: cmd
+        if: steps.cache-opus.outputs.cache-hit != 'true'
         run: |
           %VC%
 
@@ -239,51 +281,51 @@ jobs:
 
       - name: FFmpeg cache.
         id: cache-ffmpeg
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ${{ env.LibrariesPath }}/ffmpeg
-          key: ${{ runner.OS }}-ffmpeg-${{ env.CACHE_KEY }}-${{ hashFiles('**/build_ffmpeg_win.sh') }}
+          key: ${{ runner.OS }}-ffmpeg-${{ env.CACHE_KEY }}-2-${{ hashFiles('**/build_ffmpeg_win.sh') }}
       - name: FFmpeg.
         if: steps.cache-ffmpeg.outputs.cache-hit != 'true'
-        shell: cmd
         run: |
           %VC%
           choco install --no-progress -y msys2
 
           git clone %GIT%/FFmpeg/FFmpeg.git ffmpeg
           cd ffmpeg
-          git checkout release/3.4
+          git checkout release/4.2
           set CHERE_INVOKING=enabled_from_arguments
           set MSYS2_PATH_TYPE=inherit
-          call c:\tools\msys64\usr\bin\bash --login ../../%REPO_NAME%/Telegram/Patches/build_ffmpeg_win.sh
+          call c:\tools\msys64\usr\bin\bash --login ../patches/build_ffmpeg_win.sh
 
-      - name: Qt 5.12.5 cache.
+          rmdir /S /Q .git
+
+      - name: Qt 5.15.2 cache.
         id: cache-qt
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
-          path: ${{ env.LibrariesPath }}/Qt-5.12.5
-          key: ${{ runner.OS }}-qt-${{ env.CACHE_KEY }}-${{ hashFiles('**/qtbase_5_12_5.diff') }}
-      - name: Configure Qt 5.12.5.
+          path: ${{ env.LibrariesPath }}/Qt-${{ env.QT_VER }}
+          key: ${{ runner.OS }}-qt-${{ env.CACHE_KEY }}-${{ hashFiles('**/qtbase_5_15_2/*') }}
+      - name: Configure Qt 5.15.2.
         if: steps.cache-qt.outputs.cache-hit != 'true'
-        shell: cmd
         run: |
           %VC%
 
           git clone git://code.qt.io/qt/qt5.git qt_%QT%
           cd qt_%QT%
           perl init-repository --module-subset=qtbase,qtimageformats
-          git checkout v5.12.5
+          git checkout v%QT_VER%
           git submodule update qtbase
           git submodule update qtimageformats
           cd qtbase
-          git apply ../../patches/qtbase_%QT%.diff
+          for /r %%i in (..\..\patches\qtbase_%QT%\*) do git apply %%i
           cd ..
 
-          SET SSL=%LibrariesPath%\openssl_1_1_1
+          SET SSL=%LibrariesPath%\openssl_%OPENSSL_VER%
           SET LIBS=libcrypto.lib Ws2_32.lib Gdi32.lib Advapi32.lib Crypt32.lib User32.lib
 
           configure ^
-          -prefix "%LibrariesPath%\Qt-5.12.5" ^
+          -prefix "%LibrariesPath%\Qt-%QT_VER%" ^
           -debug ^
           -force-debug-info ^
           -opensource ^
@@ -297,10 +339,12 @@ jobs:
           -mp ^
           -nomake examples ^
           -nomake tests ^
-          -platform win32-msvc
-      - name: Build Qt 5.12.5.
+          -platform win32-msvc ^
+          -I "%LibrariesPath%\mozjpeg" ^
+          LIBJPEG_LIBS_DEBUG="%LibrariesPath%\mozjpeg\Debug\jpeg-static.lib" ^
+          LIBJPEG_LIBS_RELEASE="%LibrariesPath%\mozjpeg\Release\jpeg-static.lib"
+      - name: Qt 5.15.2 build.
         if: steps.cache-qt.outputs.cache-hit != 'true'
-        shell: cmd
         run: |
           %VC%
           cd qt_%QT%
@@ -311,6 +355,38 @@ jobs:
           cd ..
           rmdir /S /Q qt_%QT%
 
+      - name: WebRTC cache.
+        id: cache-webrtc
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.LibrariesPath }}/tg_owt
+          key: ${{ runner.OS }}-webrtc-${{ env.CACHE_KEY }}-${{ hashFiles('**/tg_owt-version.json') }}
+      - name: WebRTC.
+        if: steps.cache-webrtc.outputs.cache-hit != 'true'
+        run: |
+          %VC%
+
+          git clone --recursive %GIT%/desktop-app/tg_owt.git
+          mkdir tg_owt\out\Debug
+          cd tg_owt\out\Debug
+          cmake -G Ninja ^
+          -DCMAKE_BUILD_TYPE=Debug ^
+          -DTG_OWT_SPECIAL_TARGET=win ^
+          -DTG_OWT_LIBJPEG_INCLUDE_PATH=%cd%/../../../mozjpeg ^
+          -DTG_OWT_OPENSSL_INCLUDE_PATH=%cd%/../../../openssl_%OPENSSL_VER%/include ^
+          -DTG_OWT_OPUS_INCLUDE_PATH=%cd%/../../../opus/include ^
+          -DTG_OWT_FFMPEG_INCLUDE_PATH=%cd%/../../../ffmpeg ^
+          ../..
+
+          ninja
+
+          :: Cleanup.
+          cd %LibrariesPath%\tg_owt
+          move out\Debug\tg_owt.lib tg_owt.lib
+          rmdir /S /Q out
+          mkdir out\Debug
+          move tg_owt.lib out\Debug\tg_owt.lib
+
       - name: Read defines.
         shell: bash
         run: |
@@ -318,17 +394,22 @@ jobs:
           if [ -n "${{ matrix.defines }}" ]; then
             DEFINE="-D ${{ matrix.defines }}=ON"
             echo Define from matrix: $DEFINE
+            echo "ARTIFACT_NAME=Telegram_${{ matrix.defines }}" >> $GITHUB_ENV
+          else
+            echo "ARTIFACT_NAME=Telegram" >> $GITHUB_ENV
           fi
-          echo "::set-env name=TDESKTOP_BUILD_DEFINE::$DEFINE"
+          echo "TDESKTOP_BUILD_DEFINE=$DEFINE" >> $GITHUB_ENV
 
-      - name: Build Telegram Desktop.
-        shell: cmd
+      - name: Telegram Desktop build.
+        if: env.ONLY_CACHE == 'false'
         run: |
           cd %REPO_NAME%\Telegram
 
           call configure.bat ^
           -D TDESKTOP_API_TEST=ON ^
           -D DESKTOP_APP_USE_PACKAGED=OFF ^
+          -D DESKTOP_APP_DISABLE_CRASH_REPORTS=OFF ^
+          -D DESKTOP_APP_NO_PDB=ON ^
           %TDESKTOP_BUILD_DEFINE% ^
           -DCMAKE_SYSTEM_VERSION=%SDK%
 
@@ -342,10 +423,9 @@ jobs:
           cd %REPO_NAME%\out\Debug
           mkdir artifact
           move Telegram.exe artifact/
-          move Updater.exe artifact/
       - uses: actions/upload-artifact@master
         name: Upload artifact.
         if: env.UPLOAD_ARTIFACT == 'true'
         with:
-          name: Telegram
-          path: ${{ env.REPO_NAME }}\out\Debug\artifact\
+          name: ${{ env.ARTIFACT_NAME }}
+          path: ${{ env.REPO_NAME }}\out\Debug\artifact\

.gitmodules

@@ -1,9 +1,6 @@
 [submodule "Telegram/ThirdParty/libtgvoip"]
 	path = Telegram/ThirdParty/libtgvoip
 	url = https://github.com/telegramdesktop/libtgvoip
-[submodule "Telegram/ThirdParty/variant"]
-	path = Telegram/ThirdParty/variant
-	url = https://github.com/mapbox/variant
 [submodule "Telegram/ThirdParty/GSL"]
 	path = Telegram/ThirdParty/GSL
 	url = https://github.com/Microsoft/GSL.git
@@ -61,3 +58,36 @@
 [submodule "Telegram/lib_qr"]
 	path = Telegram/lib_qr
 	url = https://github.com/desktop-app/lib_qr.git
+[submodule "Telegram/ThirdParty/libdbusmenu-qt"]
+	path = Telegram/ThirdParty/libdbusmenu-qt
+	url = https://github.com/desktop-app/libdbusmenu-qt.git
+[submodule "Telegram/ThirdParty/hunspell"]
+	path = Telegram/ThirdParty/hunspell
+	url = https://github.com/hunspell/hunspell
+[submodule "Telegram/ThirdParty/range-v3"]
+	path = Telegram/ThirdParty/range-v3
+	url = https://github.com/ericniebler/range-v3.git
+[submodule "Telegram/ThirdParty/fcitx-qt5"]
+	path = Telegram/ThirdParty/fcitx-qt5
+	url = https://github.com/fcitx/fcitx-qt5.git
+[submodule "Telegram/ThirdParty/nimf"]
+	path = Telegram/ThirdParty/nimf
+	url = https://github.com/hamonikr/nimf.git
+[submodule "Telegram/ThirdParty/hime"]
+	path = Telegram/ThirdParty/hime
+	url = https://github.com/hime-ime/hime.git
+[submodule "Telegram/ThirdParty/qt5ct"]
+	path = Telegram/ThirdParty/qt5ct
+	url = https://github.com/desktop-app/qt5ct.git
+[submodule "Telegram/ThirdParty/fcitx5-qt"]
+	path = Telegram/ThirdParty/fcitx5-qt
+	url = https://github.com/fcitx/fcitx5-qt.git
+[submodule "Telegram/lib_webrtc"]
+	path = Telegram/lib_webrtc
+	url = https://github.com/desktop-app/lib_webrtc.git
+[submodule "Telegram/ThirdParty/tgcalls"]
+	path = Telegram/ThirdParty/tgcalls
+	url = https://github.com/TelegramMessenger/tgcalls.git
+[submodule "Telegram/lib_webview"]
+	path = Telegram/lib_webview
+	url = https://github.com/desktop-app/lib_webview.git

.travis.yml

@@ -1,67 +0,0 @@
-sudo: required
-dist: trusty
-
-language: cpp
-
-cache:
-  directories:
-    - $HOME/travisCacheDir
-
-env:
-  matrix:
-   - BUILD_VERSION=""
-   - BUILD_VERSION="disable_register_custom_scheme"
-   - BUILD_VERSION="disable_crash_reports"
-   - BUILD_VERSION="disable_network_proxy"
-   - BUILD_VERSION="disable_desktop_file_generation"
-   - BUILD_VERSION="disable_gtk_integration"
-
-matrix:
-  fast_finish: true
-
-addons:
-  apt:
-    sources:
-      - ubuntu-toolchain-r-test
-    packages:
-      - bison
-      - build-essential
-      - cmake
-      - devscripts
-      - dpatch
-      - equivs
-      - fakeroot
-      - g++-8
-      - gcc-8
-      - git
-      - gnome-common
-      - gobject-introspection
-      - gtk-doc-tools
-      - libappindicator-dev
-      - libasound2-dev
-      - libdbusmenu-glib-dev
-      - liblzma-dev
-      - libopus-dev
-      - libpulse-dev
-      - libenchant-dev
-      - libssl-dev
-      - libdee-dev
-      - libva-dev
-      - libvdpau-dev
-      - libxcb-xkb-dev
-      - libxkbcommon-dev
-      - libatspi2.0-dev
-      - lintian
-      - quilt
-      - valac
-      - xutils-dev
-      - yasm
-
-before_install:
-  - export CXX="g++-8" CC="gcc-8"
-  - sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 60 --slave /usr/bin/g++ g++ /usr/bin/g++-8
-  - sudo update-alternatives --config gcc
-  - g++ --version
-
-script:
-  - .travis/build.sh

.travis/build.sh

@@ -1,725 +0,0 @@
-#!/bin/bash
-
-set -e
-
-REPO="$PWD"
-
-BUILD="$REPO/build"
-UPSTREAM="$REPO/upstream"
-EXTERNAL="$REPO/external"
-CACHE="$HOME/travisCacheDir"
-
-QT_WAS_BUILT="0"
-
-QT_VERSION=5.12.5
-
-XKB_PATH="$BUILD/libxkbcommon"
-XKB_CACHE_VERSION="3"
-
-QT_PATH="$BUILD/qt"
-QT_CACHE_VERSION="5"
-QT_PATCH="$EXTERNAL/patches/qtbase_${QT_VERSION//\./_}.diff"
-
-BREAKPAD_PATH="$BUILD/breakpad"
-BREAKPAD_CACHE_VERSION="3"
-
-GYP_PATH="$BUILD/gyp"
-GYP_CACHE_VERSION="3"
-GYP_PATCH="$EXTERNAL/patches/gyp.diff"
-
-RANGE_PATH="$BUILD/range-v3"
-RANGE_CACHE_VERSION="3"
-
-VA_PATH="$BUILD/libva"
-VA_CACHE_VERSION="3"
-
-VDPAU_PATH="$BUILD/libvdpau"
-VDPAU_CACHE_VERSION="3"
-
-FFMPEG_PATH="$BUILD/ffmpeg"
-FFMPEG_CACHE_VERSION="3"
-
-OPENAL_PATH="$BUILD/openal-soft"
-OPENAL_CACHE_VERSION="4"
-
-GYP_DEFINES=""
-
-[[ ! $MAKE_ARGS ]] && MAKE_ARGS="--silent -j4"
-
-run() {
-  # Move files to subdir
-  cd ..
-  mv tdesktop tdesktop2
-  mkdir tdesktop
-  mv tdesktop2 "$UPSTREAM"
-
-  mkdir "$BUILD"
-
-  build
-  check
-}
-
-build() {
-  mkdir -p "$EXTERNAL"
-
-  BUILD_VERSION_DATA=$(echo $BUILD_VERSION | cut -d'-' -f 1)
-
-  getPatches
-
-  # libxkbcommon
-  getXkbCommon
-
-  # libva
-  getVa
-
-  # libvdpau
-  getVdpau
-
-  # ffmpeg
-  getFFmpeg
-
-  # openal_soft
-  getOpenAL
-
-  # Patched Qt
-  getCustomQt
-
-  # Breakpad
-  getBreakpad
-
-  # Patched GYP (supports cmake precompiled headers)
-  getGYP
-
-  # Range v3
-  getRange
-
-  # Guideline Support Library
-  getGSL
-
-  if [ "$QT_WAS_BUILT" == "1" ]; then
-    error_msg "Qt was built, please restart the job :("
-    exit 1
-  fi
-
-  # Configure the build
-  if [[ $BUILD_VERSION == *"disable_register_custom_scheme"* ]]; then
-    GYP_DEFINES+=",TDESKTOP_DISABLE_REGISTER_CUSTOM_SCHEME"
-  fi
-
-  if [[ $BUILD_VERSION == *"disable_crash_reports"* ]]; then
-    GYP_DEFINES+=",DESKTOP_APP_DISABLE_CRASH_REPORTS"
-  fi
-
-  if [[ $BUILD_VERSION == *"disable_network_proxy"* ]]; then
-    GYP_DEFINES+=",TDESKTOP_DISABLE_NETWORK_PROXY"
-  fi
-
-  if [[ $BUILD_VERSION == *"disable_desktop_file_generation"* ]]; then
-    GYP_DEFINES+=",TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION"
-  fi
-
-  if [[ $BUILD_VERSION == *"disable_gtk_integration"* ]]; then
-    GYP_DEFINES+=",TDESKTOP_DISABLE_GTK_INTEGRATION"
-  fi
-
-  info_msg "Build defines: ${GYP_DEFINES}"
-
-  buildTelegram
-
-  travisEndFold
-}
-
-getPatches() {
-  cd "$EXTERNAL"
-  git clone --depth 1 https://github.com/desktop-app/patches
-}
-
-getXkbCommon() {
-  travisStartFold "Getting xkbcommon"
-
-  local XKB_CACHE="$CACHE/libxkbcommon"
-  local XKB_CACHE_FILE="$XKB_CACHE/.cache.txt"
-  local XKB_CACHE_KEY="${XKB_CACHE_VERSION}"
-  local XKB_CACHE_OUTDATED="1"
-
-  if [ ! -d "$XKB_CACHE" ]; then
-    mkdir -p "$XKB_CACHE"
-  fi
-
-  ln -sf "$XKB_CACHE" "$XKB_PATH"
-
-  if [ -f "$XKB_CACHE_FILE" ]; then
-    local XKB_CACHE_KEY_FOUND=`tail -n 1 $XKB_CACHE_FILE`
-    if [ "$XKB_CACHE_KEY" == "$XKB_CACHE_KEY_FOUND" ]; then
-      XKB_CACHE_OUTDATED="0"
-    else
-      info_msg "Cache key '$XKB_CACHE_KEY_FOUND' does not match '$XKB_CACHE_KEY', rebuilding libxkbcommon"
-    fi
-  fi
-  if [ "$XKB_CACHE_OUTDATED" == "1" ]; then
-    buildXkbCommon
-    sudo echo $XKB_CACHE_KEY > "$XKB_CACHE_FILE"
-  else
-    info_msg "Using cached libxkbcommon"
-  fi
-}
-
-buildXkbCommon() {
-  info_msg "Downloading and building libxkbcommon"
-
-  if [ -d "$EXTERNAL/libxkbcommon" ]; then
-    rm -rf "$EXTERNAL/libxkbcommon"
-  fi
-  cd $XKB_PATH
-  rm -rf *
-
-  cd "$EXTERNAL"
-  git clone https://github.com/xkbcommon/libxkbcommon.git
-
-  cd "$EXTERNAL/libxkbcommon"
-  git checkout xkbcommon-0.8.4
-  ./autogen.sh --prefix=$XKB_PATH
-  make $MAKE_ARGS
-  sudo make install
-  sudo ldconfig
-}
-
-getRange() {
-  travisStartFold "Getting range-v3"
-
-  local RANGE_CACHE="$CACHE/range-v3"
-  local RANGE_CACHE_FILE="$RANGE_CACHE/.cache.txt"
-  local RANGE_CACHE_KEY="${RANGE_CACHE_VERSION}"
-  local RANGE_CACHE_OUTDATED="1"
-
-  if [ ! -d "$RANGE_CACHE" ]; then
-    mkdir -p "$RANGE_CACHE"
-  fi
-
-  ln -sf "$RANGE_CACHE" "$RANGE_PATH"
-
-  if [ -f "$RANGE_CACHE_FILE" ]; then
-    local RANGE_CACHE_KEY_FOUND=`tail -n 1 $RANGE_CACHE_FILE`
-    if [ "$RANGE_CACHE_KEY" == "$RANGE_CACHE_KEY_FOUND" ]; then
-      RANGE_CACHE_OUTDATED="0"
-    else
-      info_msg "Cache key '$RANGE_CACHE_KEY_FOUND' does not match '$RANGE_CACHE_KEY', getting range-v3"
-    fi
-  fi
-  if [ "$RANGE_CACHE_OUTDATED" == "1" ]; then
-    buildRange
-    sudo echo $RANGE_CACHE_KEY > "$RANGE_CACHE_FILE"
-  else
-    info_msg "Using cached range-v3"
-  fi
-}
-
-buildRange() {
-  info_msg "Downloading range-v3"
-
-  if [ -d "$EXTERNAL/range-v3" ]; then
-    rm -rf "$EXTERNAL/range-v3"
-  fi
-  cd $RANGE_PATH
-  rm -rf *
-
-  cd "$EXTERNAL"
-  git clone --depth 1 --branch 0.10.0 https://github.com/ericniebler/range-v3
-
-  cd "$EXTERNAL/range-v3"
-  cp -r * "$RANGE_PATH/"
-}
-
-getVa() {
-  travisStartFold "Getting libva"
-
-  local VA_CACHE="$CACHE/libva"
-  local VA_CACHE_FILE="$VA_CACHE/.cache.txt"
-  local VA_CACHE_KEY="${VA_CACHE_VERSION}"
-  local VA_CACHE_OUTDATED="1"
-
-  if [ ! -d "$VA_CACHE" ]; then
-    mkdir -p "$VA_CACHE"
-  fi
-
-  ln -sf "$VA_CACHE" "$VA_PATH"
-
-  if [ -f "$VA_CACHE_FILE" ]; then
-    local VA_CACHE_KEY_FOUND=`tail -n 1 $VA_CACHE_FILE`
-    if [ "$VA_CACHE_KEY" == "$VA_CACHE_KEY_FOUND" ]; then
-      VA_CACHE_OUTDATED="0"
-    else
-      info_msg "Cache key '$VA_CACHE_KEY_FOUND' does not match '$VA_CACHE_KEY', rebuilding libva"
-    fi
-  fi
-  if [ "$VA_CACHE_OUTDATED" == "1" ]; then
-    buildVa
-    sudo echo $VA_CACHE_KEY > "$VA_CACHE_FILE"
-  else
-    info_msg "Using cached libva"
-  fi
-}
-
-buildVa() {
-  info_msg "Downloading and building libva"
-
-  if [ -d "$EXTERNAL/libva" ]; then
-    rm -rf "$EXTERNAL/libva"
-  fi
-  cd $VA_PATH
-  rm -rf *
-
-  cd "$EXTERNAL"
-  git clone https://github.com/01org/libva
-
-  cd "$EXTERNAL/libva"
-  ./autogen.sh --prefix=$VA_PATH --enable-static
-  make $MAKE_ARGS
-  sudo make install
-  sudo ldconfig
-}
-
-getVdpau() {
-  travisStartFold "Getting libvdpau"
-
-  local VDPAU_CACHE="$CACHE/libvdpau"
-  local VDPAU_CACHE_FILE="$VDPAU_CACHE/.cache.txt"
-  local VDPAU_CACHE_KEY="${VDPAU_CACHE_VERSION}"
-  local VDPAU_CACHE_OUTDATED="1"
-
-  if [ ! -d "$VDPAU_CACHE" ]; then
-    mkdir -p "$VDPAU_CACHE"
-  fi
-
-  ln -sf "$VDPAU_CACHE" "$VDPAU_PATH"
-
-  if [ -f "$VDPAU_CACHE_FILE" ]; then
-    local VDPAU_CACHE_KEY_FOUND=`tail -n 1 $VDPAU_CACHE_FILE`
-    if [ "$VDPAU_CACHE_KEY" == "$VDPAU_CACHE_KEY_FOUND" ]; then
-      VDPAU_CACHE_OUTDATED="0"
-    else
-      info_msg "Cache key '$VDPAU_CACHE_KEY_FOUND' does not match '$VDPAU_CACHE_KEY', rebuilding libvdpau"
-    fi
-  fi
-  if [ "$VDPAU_CACHE_OUTDATED" == "1" ]; then
-    buildVdpau
-    sudo echo $VDPAU_CACHE_KEY > "$VDPAU_CACHE_FILE"
-  else
-    info_msg "Using cached libvdpau"
-  fi
-}
-
-buildVdpau() {
-  info_msg "Downloading and building libvdpau"
-
-  if [ -d "$EXTERNAL/libvdpau" ]; then
-    rm -rf "$EXTERNAL/libvdpau"
-  fi
-  cd $VDPAU_PATH
-  rm -rf *
-
-  cd "$EXTERNAL"
-  git clone git://anongit.freedesktop.org/vdpau/libvdpau
-
-  cd "$EXTERNAL/libvdpau"
-  git checkout libvdpau-1.2
-  ./autogen.sh --prefix=$VDPAU_PATH --enable-static
-  make $MAKE_ARGS
-  sudo make install
-  sudo ldconfig
-}
-
-getFFmpeg() {
-  travisStartFold "Getting ffmpeg"
-
-  local FFMPEG_CACHE="$CACHE/ffmpeg"
-  local FFMPEG_CACHE_FILE="$FFMPEG_CACHE/.cache.txt"
-  local FFMPEG_CACHE_KEY="${FFMPEG_CACHE_VERSION}"
-  local FFMPEG_CACHE_OUTDATED="1"
-
-  if [ ! -d "$FFMPEG_CACHE" ]; then
-    mkdir -p "$FFMPEG_CACHE"
-  fi
-
-  ln -sf "$FFMPEG_CACHE" "$FFMPEG_PATH"
-
-  if [ -f "$FFMPEG_CACHE_FILE" ]; then
-    local FFMPEG_CACHE_KEY_FOUND=`tail -n 1 $FFMPEG_CACHE_FILE`
-    if [ "$FFMPEG_CACHE_KEY" == "$FFMPEG_CACHE_KEY_FOUND" ]; then
-      FFMPEG_CACHE_OUTDATED="0"
-    else
-      info_msg "Cache key '$FFMPEG_CACHE_KEY_FOUND' does not match '$FFMPEG_CACHE_KEY', rebuilding ffmpeg"
-    fi
-  fi
-  if [ "$FFMPEG_CACHE_OUTDATED" == "1" ]; then
-    buildFFmpeg
-    sudo echo $FFMPEG_CACHE_KEY > "$FFMPEG_CACHE_FILE"
-  else
-    info_msg "Using cached ffmpeg"
-  fi
-}
-
-buildFFmpeg() {
-  info_msg "Downloading and building ffmpeg"
-
-  if [ -d "$EXTERNAL/ffmpeg" ]; then
-    rm -rf "$EXTERNAL/ffmpeg"
-  fi
-  cd $FFMPEG_PATH
-  rm -rf *
-
-  cd "$EXTERNAL"
-  git clone https://git.ffmpeg.org/ffmpeg.git
-
-  cd "$EXTERNAL/ffmpeg"
-  git checkout release/3.4
-
-  ./configure \
-      --prefix=$FFMPEG_PATH \
-      --disable-debug \
-      --disable-programs \
-      --disable-doc \
-      --disable-everything \
-      --enable-gpl \
-      --enable-version3 \
-      --enable-libopus \
-      --enable-decoder=aac \
-      --enable-decoder=aac_latm \
-      --enable-decoder=aasc \
-      --enable-decoder=flac \
-      --enable-decoder=gif \
-      --enable-decoder=h264 \
-      --enable-decoder=h264_vdpau \
-      --enable-decoder=mp1 \
-      --enable-decoder=mp1float \
-      --enable-decoder=mp2 \
-      --enable-decoder=mp2float \
-      --enable-decoder=mp3 \
-      --enable-decoder=mp3adu \
-      --enable-decoder=mp3adufloat \
-      --enable-decoder=mp3float \
-      --enable-decoder=mp3on4 \
-      --enable-decoder=mp3on4float \
-      --enable-decoder=mpeg4 \
-      --enable-decoder=mpeg4_vdpau \
-      --enable-decoder=msmpeg4v2 \
-      --enable-decoder=msmpeg4v3 \
-      --enable-decoder=opus \
-      --enable-decoder=vorbis \
-      --enable-decoder=wavpack \
-      --enable-decoder=wmalossless \
-      --enable-decoder=wmapro \
-      --enable-decoder=wmav1 \
-      --enable-decoder=wmav2 \
-      --enable-decoder=wmavoice \
-      --enable-encoder=libopus \
-      --enable-hwaccel=h264_vaapi \
-      --enable-hwaccel=h264_vdpau \
-      --enable-hwaccel=mpeg4_vaapi \
-      --enable-hwaccel=mpeg4_vdpau \
-      --enable-parser=aac \
-      --enable-parser=aac_latm \
-      --enable-parser=flac \
-      --enable-parser=h264 \
-      --enable-parser=mpeg4video \
-      --enable-parser=mpegaudio \
-      --enable-parser=opus \
-      --enable-parser=vorbis \
-      --enable-demuxer=aac \
-      --enable-demuxer=flac \
-      --enable-demuxer=gif \
-      --enable-demuxer=h264 \
-      --enable-demuxer=mov \
-      --enable-demuxer=mp3 \
-      --enable-demuxer=ogg \
-      --enable-demuxer=wav \
-      --enable-muxer=ogg \
-      --enable-muxer=opus
-  make $MAKE_ARGS
-  sudo make install
-  sudo ldconfig
-}
-
-getOpenAL() {
-  travisStartFold "Getting openal-soft"
-
-  local OPENAL_CACHE="$CACHE/openal-soft"
-  local OPENAL_CACHE_FILE="$OPENAL_CACHE/.cache.txt"
-  local OPENAL_CACHE_KEY="${OPENAL_CACHE_VERSION}"
-  local OPENAL_CACHE_OUTDATED="1"
-
-  if [ ! -d "$OPENAL_CACHE" ]; then
-    mkdir -p "$OPENAL_CACHE"
-  fi
-
-  ln -sf "$OPENAL_CACHE" "$OPENAL_PATH"
-
-  if [ -f "$OPENAL_CACHE_FILE" ]; then
-    local OPENAL_CACHE_KEY_FOUND=`tail -n 1 $OPENAL_CACHE_FILE`
-    if [ "$OPENAL_CACHE_KEY" == "$OPENAL_CACHE_KEY_FOUND" ]; then
-      OPENAL_CACHE_OUTDATED="0"
-    else
-      info_msg "Cache key '$OPENAL_CACHE_KEY_FOUND' does not match '$OPENAL_CACHE_KEY', rebuilding openal-soft"
-    fi
-  fi
-  if [ "$OPENAL_CACHE_OUTDATED" == "1" ]; then
-    buildOpenAL
-    sudo echo $OPENAL_CACHE_KEY > "$OPENAL_CACHE_FILE"
-  else
-    info_msg "Using cached openal-soft"
-  fi
-}
-
-buildOpenAL() {
-  info_msg "Downloading and building openal-soft"
-
-  if [ -d "$EXTERNAL/openal-soft" ]; then
-    rm -rf "$EXTERNAL/openal-soft"
-  fi
-  cd $OPENAL_PATH
-  sudo rm -rf *
-
-  cd "$EXTERNAL"
-  git clone https://github.com/kcat/openal-soft.git
-  cd openal-soft
-  git checkout openal-soft-1.19.1
-
-  cd "$EXTERNAL/openal-soft/build"
-  cmake \
-      -D CMAKE_INSTALL_PREFIX=$OPENAL_PATH \
-      -D CMAKE_BUILD_TYPE=Release \
-      -D LIBTYPE=STATIC \
-      -D ALSOFT_EXAMPLES=OFF \
-      -D ALSOFT_TESTS=OFF \
-      -D ALSOFT_UTILS=OFF \
-      ..
-  make $MAKE_ARGS
-  sudo make install
-  sudo ldconfig
-}
-
-getBreakpad() {
-  travisStartFold "Getting breakpad"
-
-  local BREAKPAD_CACHE="$CACHE/breakpad"
-  local BREAKPAD_CACHE_FILE="$BREAKPAD_CACHE/.cache.txt"
-  local BREAKPAD_CACHE_KEY="${BREAKPAD_CACHE_VERSION}"
-  local BREAKPAD_CACHE_OUTDATED="1"
-
-  if [ ! -d "$BREAKPAD_CACHE" ]; then
-    mkdir -p "$BREAKPAD_CACHE"
-  fi
-
-  ln -sf "$BREAKPAD_CACHE" "$BREAKPAD_PATH"
-
-  if [ -f "$BREAKPAD_CACHE_FILE" ]; then
-    local BREAKPAD_CACHE_KEY_FOUND=`tail -n 1 $BREAKPAD_CACHE_FILE`
-    if [ "$BREAKPAD_CACHE_KEY" == "$BREAKPAD_CACHE_KEY_FOUND" ]; then
-      BREAKPAD_CACHE_OUTDATED="0"
-    else
-      info_msg "Cache key '$BREAKPAD_CACHE_KEY_FOUND' does not match '$BREAKPAD_CACHE_KEY', rebuilding breakpad"
-    fi
-  fi
-  if [ "$BREAKPAD_CACHE_OUTDATED" == "1" ]; then
-    buildBreakpad
-    sudo echo $BREAKPAD_CACHE_KEY > "$BREAKPAD_CACHE_FILE"
-  else
-    info_msg "Using cached breakpad"
-  fi
-}
-
-buildBreakpad() {
-  info_msg "Downloading and building breakpad"
-
-  if [ -d "$EXTERNAL/breakpad" ]; then
-    rm -rf "$EXTERNAL/breakpad"
-  fi
-  cd $BREAKPAD_PATH
-  rm -rf *
-
-  cd "$EXTERNAL"
-  git clone https://chromium.googlesource.com/breakpad/breakpad
-
-  cd "$EXTERNAL/breakpad/src/third_party"
-  git clone https://chromium.googlesource.com/linux-syscall-support lss
-
-  cd "$EXTERNAL/breakpad"
-  ./configure --prefix=$BREAKPAD_PATH
-  make $MAKE_ARGS
-  sudo make install
-  sudo ldconfig
-}
-
-getCustomQt() {
-  travisStartFold "Getting patched Qt"
-
-  local QT_CACHE="$CACHE/qtPatched"
-  local QT_CACHE_FILE="$QT_CACHE/.cache.txt"
-  local QT_PATCH_CHECKSUM=`sha1sum $QT_PATCH`
-  local QT_CACHE_KEY="${QT_VERSION}_${QT_CACHE_VERSION}_${QT_PATCH_CHECKSUM:0:32}"
-  local QT_CACHE_OUTDATED="1"
-
-  if [ ! -d "$QT_CACHE" ]; then
-    mkdir -p "$QT_CACHE"
-  fi
-
-  ln -sf "$QT_CACHE" "$QT_PATH"
-
-  if [ -f "$QT_CACHE_FILE" ]; then
-    local QT_CACHE_KEY_FOUND=`tail -n 1 $QT_CACHE_FILE`
-    if [ "$QT_CACHE_KEY" == "$QT_CACHE_KEY_FOUND" ]; then
-      QT_CACHE_OUTDATED="0"
-    else
-      info_msg "Cache key '$QT_CACHE_KEY_FOUND' does not match '$QT_CACHE_KEY', rebuilding patched Qt"
-    fi
-  fi
-  if [ "$QT_CACHE_OUTDATED" == "1" ]; then
-    buildCustomQt
-    sudo echo $QT_CACHE_KEY > "$QT_CACHE_FILE"
-  else
-    info_msg "Using cached patched Qt"
-  fi
-
-  export PATH="$QT_PATH/bin:$PATH"
-}
-
-buildCustomQt() {
-  QT_WAS_BUILT="1"
-  info_msg "Downloading and building patched qt"
-
-  if [ -d "$EXTERNAL/qt_${QT_VERSION}" ]; then
-    sudo rm -rf "$EXTERNAL/qt_${QT_VERSION}"
-  fi
-  cd $QT_PATH
-  sudo rm -rf *
-
-  cd "$EXTERNAL"
-  git clone git://code.qt.io/qt/qt5.git qt${QT_VERSION}
-
-  cd "$EXTERNAL/qt${QT_VERSION}"
-  perl init-repository --branch --module-subset=qtbase,qtimageformats
-  git checkout v${QT_VERSION}
-  git submodule update qtbase
-  git submodule update qtimageformats
-
-  cd "$EXTERNAL/qt${QT_VERSION}/qtbase"
-  git apply "$QT_PATCH"
-  cd ..
-
-  cd "$EXTERNAL/qt${QT_VERSION}/qtbase/src/plugins/platforminputcontexts"
-  git clone https://github.com/telegramdesktop/fcitx.git
-  git clone https://github.com/telegramdesktop/hime.git
-  git clone https://github.com/telegramdesktop/nimf.git
-  cd ../../../..
-
-  ./configure -prefix $QT_PATH -release -opensource -confirm-license -qt-zlib \
-              -qt-libpng -qt-libjpeg -qt-harfbuzz -qt-pcre -qt-xcb \
-              -system-freetype -fontconfig -no-opengl -no-gtk -static \
-              -nomake examples -nomake tests -no-mirclient \
-              -dbus-runtime -no-mtdev # <- Not sure about these
-  make $MAKE_ARGS
-  sudo make install
-}
-
-getGSL() {
-  cd "$UPSTREAM"
-  git submodule init
-  git submodule update
-}
-
-getGYP() {
-  travisStartFold "Getting patched GYP"
-
-  local GYP_CACHE="$CACHE/gyp"
-  local GYP_CACHE_FILE="$GYP_CACHE/.cache.txt"
-  local GYP_PATCH_CHECKSUM=`sha1sum $GYP_PATCH`
-  local GYP_CACHE_KEY="${GYP_CACHE_VERSION}_${GYP_PATCH_CHECKSUM:0:32}"
-  local GYP_CACHE_OUTDATED="1"
-
-  if [ ! -d "$GYP_CACHE" ]; then
-    mkdir -p "$GYP_CACHE"
-  fi
-
-  ln -sf "$GYP_CACHE" "$GYP_PATH"
-
-  if [ -f "$GYP_CACHE_FILE" ]; then
-    local GYP_CACHE_KEY_FOUND=`tail -n 1 $GYP_CACHE_FILE`
-    if [ "$GYP_CACHE_KEY" == "$GYP_CACHE_KEY_FOUND" ]; then
-      GYP_CACHE_OUTDATED="0"
-    else
-      info_msg "Cache key '$GYP_CACHE_KEY_FOUND' does not match '$GYP_CACHE_KEY', rebuilding patched GYP"
-    fi
-  fi
-  if [ "$GYP_CACHE_OUTDATED" == "1" ]; then
-    buildGYP
-    sudo echo $GYP_CACHE_KEY > "$GYP_CACHE_FILE"
-  else
-    info_msg "Using cached patched GYP"
-  fi
-}
-
-buildGYP() {
-  info_msg "Downloading and building patched GYP"
-
-  if [ -d "$EXTERNAL/gyp" ]; then
-    rm -rf "$EXTERNAL/gyp"
-  fi
-  cd $GYP_PATH
-  rm -rf *
-
-  cd "$EXTERNAL"
-  git clone https://chromium.googlesource.com/external/gyp
-
-  cd "$EXTERNAL/gyp"
-  git checkout 9f2a7bb1
-  git apply "$GYP_PATCH"
-  cp -r * "$GYP_PATH/"
-}
-
-buildTelegram() {
-  travisStartFold "Build tdesktop"
-
-  cd "$UPSTREAM/Telegram/gyp"
-  "$GYP_PATH/gyp" \
-      -Dapi_id=17349 \
-      -Dapi_hash=344583e45741c457fe1862106095a5eb \
-      -Dspecial_build_target= \
-      -Dbuild_defines=${GYP_DEFINES:1} \
-      -Dlinux_path_xkbcommon=$XKB_PATH \
-      -Dlinux_path_va=$VA_PATH \
-      -Dlinux_path_vdpau=$VDPAU_PATH \
-      -Dlinux_path_ffmpeg=$FFMPEG_PATH \
-      -Dlinux_path_openal=$OPENAL_PATH \
-      -Dlinux_path_range=$RANGE_PATH \
-      -Dlinux_path_qt=$QT_PATH \
-      -Dlinux_path_breakpad=$BREAKPAD_PATH \
-      -Dlinux_path_libexif_lib=/usr/local/lib \
-      -Dlinux_lib_ssl=-lssl \
-      -Dlinux_lib_crypto=-lcrypto \
-      -Dlinux_lib_icu=-licuuc\ -licutu\ -licui18n \
-      --depth=. --generator-output=.. --format=cmake -Goutput_dir=../out \
-      Telegram.gyp
-  cd "$UPSTREAM/out/Debug"
-
-  export ASM="gcc"
-  cmake .
-  make $MAKE_ARGS
-}
-
-check() {
-  local filePath="$UPSTREAM/out/Debug/Telegram"
-  if test -f "$filePath"; then
-    success_msg "Build successfully done! :)"
-
-    local size;
-    size=$(stat -c %s "$filePath")
-    success_msg "File size of ${filePath}: ${size} Bytes"
-  else
-    error_msg "Build error, output file does not exist"
-    exit 1
-  fi
-}
-
-source ./.travis/common.sh
-
-run

.travis/common.sh

@@ -1,64 +0,0 @@
-#!/usr/bin/env bash
-# set colors
-RCol='\e[0m'    # Text Reset
-
-# Regular           Bold                Underline           High Intensity      BoldHigh Intens     Background          High Intensity Backgrounds
-Bla='\e[0;30m';     BBla='\e[1;30m';    UBla='\e[4;30m';    IBla='\e[0;90m';    BIBla='\e[1;90m';   On_Bla='\e[40m';    On_IBla='\e[0;100m';
-Red='\e[0;31m';     BRed='\e[1;31m';    URed='\e[4;31m';    IRed='\e[0;91m';    BIRed='\e[1;91m';   On_Red='\e[41m';    On_IRed='\e[0;101m';
-Gre='\e[0;32m';     BGre='\e[1;32m';    UGre='\e[4;32m';    IGre='\e[0;92m';    BIGre='\e[1;92m';   On_Gre='\e[42m';    On_IGre='\e[0;102m';
-Yel='\e[0;33m';     BYel='\e[1;33m';    UYel='\e[4;33m';    IYel='\e[0;93m';    BIYel='\e[1;93m';   On_Yel='\e[43m';    On_IYel='\e[0;103m';
-Blu='\e[0;34m';     BBlu='\e[1;34m';    UBlu='\e[4;34m';    IBlu='\e[0;94m';    BIBlu='\e[1;94m';   On_Blu='\e[44m';    On_IBlu='\e[0;104m';
-Pur='\e[0;35m';     BPur='\e[1;35m';    UPur='\e[4;35m';    IPur='\e[0;95m';    BIPur='\e[1;95m';   On_Pur='\e[45m';    On_IPur='\e[0;105m';
-Cya='\e[0;36m';     BCya='\e[1;36m';    UCya='\e[4;36m';    ICya='\e[0;96m';    BICya='\e[1;96m';   On_Cya='\e[46m';    On_ICya='\e[0;106m';
-Whi='\e[0;37m';     BWhi='\e[1;37m';    UWhi='\e[4;37m';    IWhi='\e[0;97m';    BIWhi='\e[1;97m';   On_Whi='\e[47m';    On_IWhi='\e[0;107m';
-
-start_msg() {
-    echo -e "\n${Gre}$*${RCol}"
-}
-
-info_msg() {
-    sameLineInfoMessage "\n$1"
-}
-
-error_msg() {
-    echo -e "\n${BRed}$*${RCol}"
-}
-
-success_msg() {
-    echo -e "\n${BGre}$*${RCol}"
-}
-
-sameLineInfoMessage() {
-    echo -e "${Cya}$*${RCol}"
-}
-
-TRAVIS_LAST_FOLD=""
-
-travisStartFold() {
-    local TITLE="$1"
-    local NAME=$(sanitizeName "$TITLE")
-
-    if [ "$TRAVIS_LAST_FOLD" != "" ]; then
-        travisEndFold
-    fi
-
-    echo "travis_fold:start:$NAME"
-    sameLineInfoMessage "$TITLE"
-
-    TRAVIS_LAST_FOLD="$NAME"
-}
-
-travisEndFold() {
-    if [ "$TRAVIS_LAST_FOLD" == "" ]; then
-        return
-    fi
-
-    echo "travis_fold:end:$TRAVIS_LAST_FOLD"
-    TRAVIS_LAST_FOLD=""
-}
-
-sanitizeName() {
-    local NAME="${1// /_}"
-    local NAME="${NAME,,}"
-    echo "$NAME"
-}

CMakeLists.txt

@@ -22,6 +22,9 @@ project(Telegram
 )
 set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT Telegram)
 
+get_filename_component(third_party_loc "Telegram/ThirdParty" REALPATH)
+get_filename_component(submodules_loc "Telegram" REALPATH)
+
 include(cmake/variables.cmake)
 include(cmake/nice_target_sources.cmake)
 include(cmake/target_link_static_libraries.cmake)
@@ -33,5 +36,9 @@ include(cmake/options.cmake)
 
 include(cmake/external/qt/package.cmake)
 
+set(desktop_app_skip_libs
+    variant
+)
+
 add_subdirectory(cmake)
 add_subdirectory(Telegram)

LEGAL

@@ -1,7 +1,7 @@
 This file is part of Telegram Desktop,
 the official desktop application for the Telegram messaging service.
 
-Copyright (c) 2014-2020 The Telegram Desktop Authors.
+Copyright (c) 2014-2021 The Telegram Desktop Authors.
 
 Telegram Desktop is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

README.md

@@ -5,8 +5,7 @@ This is the complete source code and the build instructions for the alpha versio
 [![Version](https://badge.fury.io/gh/telegramdesktop%2Ftdesktop.svg)](https://github.com/telegramdesktop/tdesktop/releases)
 [![Build Status](https://github.com/telegramdesktop/tdesktop/workflows/Windows./badge.svg)](https://github.com/telegramdesktop/tdesktop/actions)
 [![Build Status](https://github.com/telegramdesktop/tdesktop/workflows/MacOS./badge.svg)](https://github.com/telegramdesktop/tdesktop/actions)
-[![Build Status](https://travis-ci.org/telegramdesktop/tdesktop.svg?branch=dev)](https://travis-ci.org/telegramdesktop/tdesktop)
-[![Build status](https://ci.appveyor.com/api/projects/status/uiw2y768iy4i5bu8/branch/dev?svg=true)](https://ci.appveyor.com/project/telegramdesktop/tdesktop)
+[![Build Status](https://github.com/telegramdesktop/tdesktop/workflows/Linux./badge.svg)](https://github.com/telegramdesktop/tdesktop/actions)
 
 [![Preview of Telegram Desktop][preview_image]][preview_image_url]
 
@@ -14,18 +13,32 @@ The source code is published under GPLv3 with OpenSSL exception, the license is
 
 ## Supported systems
 
-* Windows XP - Windows 10 (**not** RT)
-* Mac OS X 10.8 - Mac OS X 10.15
-* Mac OS X 10.6 - Mac OS X 10.7 (separate build)
-* Ubuntu 12.04 - Ubuntu 19.10
-* Fedora 22 - Fedora 31
-* [Snappy](https://snapcraft.io/telegram-desktop)
-* [Flathub](https://flathub.org/apps/details/org.telegram.desktop)
+The latest version is available for
+
+* [Windows 7 and above](https://telegram.org/dl/desktop/win) ([portable](https://telegram.org/dl/desktop/win_portable))
+* [macOS 10.12 and above](https://telegram.org/dl/desktop/mac)
+* [Linux static build for 64 bit](https://telegram.org/dl/desktop/linux)
+* [Snap](https://snapcraft.io/telegram-desktop)
+* [Flatpak](https://flathub.org/apps/details/org.telegram.desktop)
+
+## Old system versions
+
+Version **2.4.4** was the last that supports older systems
+
+* [OS X 10.10 and 10.11](https://updates.tdesktop.com/tosx/tsetup-osx.2.4.4.dmg)
+* [Linux static build for 32 bit](https://updates.tdesktop.com/tlinux32/tsetup32.2.4.4.tar.xz)
+
+Version **1.8.15** was the last that supports older systems
+
+* [Windows XP and Vista](https://updates.tdesktop.com/tsetup/tsetup.1.8.15.exe) ([portable](https://updates.tdesktop.com/tsetup/tportable.1.8.15.zip))
+* [OS X 10.8 and 10.9](https://updates.tdesktop.com/tmac/tsetup.1.8.15.dmg)
+* [OS X 10.6 and 10.7](https://updates.tdesktop.com/tmac32/tsetup32.1.8.15.dmg)
 
 ## Third-party
 
-* Qt 5.12.5 and 5.6.2, slightly patched ([LGPL](http://doc.qt.io/qt-5/lgpl.html))
-* OpenSSL 1.1.1 ([OpenSSL License](https://www.openssl.org/source/license.html))
+* Qt 5.15.2, 5.6.2 and 5.3.2 slightly patched ([LGPL](http://doc.qt.io/qt-5/lgpl.html))
+* OpenSSL 1.1.1 and 1.0.1 ([OpenSSL License](https://www.openssl.org/source/license.html))
+* WebRTC ([New BSD License](https://github.com/desktop-app/tg_owt/blob/master/LICENSE))
 * zlib 1.2.11 ([zlib License](http://www.zlib.net/zlib_license.html))
 * LZMA SDK 9.20 ([public domain](http://www.7-zip.org/sdk.html))
 * liblzma ([public domain](http://tukaani.org/xz/))
@@ -37,20 +50,21 @@ The source code is published under GPLv3 with OpenSSL exception, the license is
 * Opus codec ([BSD License](http://www.opus-codec.org/license/))
 * FFmpeg ([LGPL](https://www.ffmpeg.org/legal.html))
 * Guideline Support Library ([MIT License](https://github.com/Microsoft/GSL/blob/master/LICENSE))
-* Mapbox Variant ([BSD License](https://github.com/mapbox/variant/blob/master/LICENSE))
 * Range-v3 ([Boost License](https://github.com/ericniebler/range-v3/blob/master/LICENSE.txt))
 * Open Sans font ([Apache License 2.0](http://www.apache.org/licenses/LICENSE-2.0.html))
+* Vazir font ([License](https://github.com/rastikerdar/vazir-font/blob/master/LICENSE))
 * Emoji alpha codes ([MIT License](https://github.com/emojione/emojione/blob/master/extras/alpha-codes/LICENSE.md))
 * Catch test framework ([Boost License](https://github.com/philsquared/Catch/blob/master/LICENSE.txt))
 * xxHash ([BSD License](https://github.com/Cyan4973/xxHash/blob/dev/LICENSE))
 * QR Code generator ([MIT License](https://github.com/nayuki/QR-Code-generator#license))
 * CMake ([New BSD License](https://github.com/Kitware/CMake/blob/master/Copyright.txt))
+* Hunspell ([GPL](https://github.com/hunspell/hunspell/blob/master/COPYING))
 
 ## Build instructions
 
 * [Visual Studio 2019][msvc]
-* [Xcode 10][xcode]
-* [GYP/CMake on GNU/Linux][cmake]
+* [Xcode 12][xcode]
+* [CMake on GNU/Linux][cmake]
 
 [//]: # (LINKS)
 [telegram]: https://telegram.org

Telegram/Patches/build_ffmpeg_win.sh

@@ -13,6 +13,8 @@ pacman --noconfirm -S pkg-config
 PKG_CONFIG_PATH="/mingw64/lib/pkgconfig:$PKG_CONFIG_PATH"
 
 ./configure --toolchain=msvc \
+--extra-cflags="-DCONFIG_SAFE_BITSTREAM_READER=1" \
+--extra-cxxflags="-DCONFIG_SAFE_BITSTREAM_READER=1" \
 --extra-ldflags="-libpath:$FullExecPath/../opus/win32/VS2015/Win32/Release" \
 --disable-programs \
 --disable-doc \