%global debug_package %{nil}
%global legacy_ffmpeg 1
%global legacy_openssl 1

%global commit0 5098730b9eb6173f0b52068fe2555b7c1015123a
%global shortcommit0 %(c=%{commit0}; echo ${c:0:7})
%global date 20230105

# Git revision of libyuv...
%global commit1 00950840d1c9bcbb3eb6ebc5aac5793e71166c8b
%global shortcommit1 %(c=%{commit1}; echo ${c:0:7})

# Git revision of crc32c...
%global commit2 21fc8ef30415a635e7351ffa0e5d5367943d4a94
%global shortcommit2 %(c=%{commit2}; echo ${c:0:7})

# Git revision of abseil-cpp...
%global commit3 8c0b94e793a66495e0b1f34a5eb26bd7dc672db0
%global shortcommit3 %(c=%{commit3}; echo ${c:0:7})

Name: tg_owt
Version: 0
Release: %mkrel 1

# Library and 3rd-party bundled modules licensing:
# * tg_owt - BSD-3-Clause -- main tarball;
# * abseil-cpp - Apache-2.0 -- static dependency;
# * base64 - LicenseRef-Fedora-Public-Domain -- static dependency;
# * crc32c - BSD-3-Clause -- static dependency;
# * libsrtp - BSD-3-Clause -- static dependency;
# * libyuv - BSD-3-Clause -- static dependency;
# * openh264 - BSD-2-Clause -- static dependency;
# * pffft - BSD-3-Clause -- static dependency;
# * portaudio - MIT -- static dependency;
# * rnnoise - BSD-3-Clause -- static dependency;
# * sigslot - LicenseRef-Fedora-Public-Domain -- static dependency;
# * spl_sqrt_floor - LicenseRef-Fedora-Public-Domain -- static dependency.
License: BSD-3-Clause AND BSD-2-Clause AND Apache-2.0 AND MIT AND LicenseRef-Fedora-Public-Domain
Summary: WebRTC library for the Telegram messenger
URL: https://github.com/desktop-app/%{name}

Source0: %{url}/archive/%{commit0}/%{name}-%{shortcommit0}.tar.gz
Source1: https://gitlab.com/chromiumsrc/libyuv/-/archive/%{commit1}/libyuv-%{shortcommit1}.tar.gz
Source2: https://github.com/google/crc32c/archive/%{commit2}/crc32c-%{shortcommit2}.tar.gz
Source3: https://github.com/abseil/abseil-cpp/archive/%{commit3}/abseil-cpp-%{shortcommit3}.tar.gz
BuildRequires: pkgconfig(alsa)
BuildRequires: pkgconfig(epoxy)
BuildRequires: pkgconfig(gbm)
BuildRequires: pkgconfig(libdrm)
BuildRequires: pkgconfig(libjpeg)
BuildRequires: pkgconfig(libpipewire-0.3)
BuildRequires: pkgconfig(libpulse)
BuildRequires: pkgconfig(opus)
BuildRequires: pkgconfig(vpx)
BuildRequires: pkgconfig(x11)
BuildRequires: pkgconfig(xcomposite)
BuildRequires: pkgconfig(xdamage)
BuildRequires: pkgconfig(xext)
BuildRequires: pkgconfig(xfixes)
BuildRequires: pkgconfig(xrandr)
BuildRequires: pkgconfig(xrender)
BuildRequires: pkgconfig(xtst)
BuildRequires: cmake
BuildRequires: gcc
BuildRequires: gcc-c++
BuildRequires: ninja
BuildRequires: yasm
BuildRequires: libffmpeg-devel
BuildRequires: libopenssl-devel

# Telegram Desktop has major issues when built against ffmpeg 5.x:
# https://bugzilla.rpmfusion.org/show_bug.cgi?id=6273
# Upstream refuses to fix this issue:
# https://github.com/telegramdesktop/tdesktop/issues/24855
# https://github.com/telegramdesktop/tdesktop/issues/23899
# Video calls doesn't work when built against openssl 3.0:
# https://github.com/telegramdesktop/tdesktop/issues/24698

# Disabling all low-memory architectures.
ExclusiveArch: x86_64 aarch64

%description
Special fork of the OpenWebRTC library for the Telegram messenger.

%package devel
Summary: Development files for %{name}
Provides: %{name}-static = %{?epoch:%{epoch}:}%{version}-%{release}
Provides: bundled(abseil-cpp) = 20220623.1~git%{shortcommit3}
Provides: bundled(crc32c) = 1.1.0~git%{shortcommit2}
Provides: bundled(base64) = 0~git
Provides: bundled(fft) = 0~git
Provides: bundled(g711) = 1.1~git
Provides: bundled(g722) = 1.14~git
Provides: bundled(libsrtp) = 2.2.0~git94ac00d
Provides: bundled(libyuv) = 1845~git%{shortcommit1}
Provides: bundled(ooura) = 0~git
Provides: bundled(openh264) = 1.10.0~git6f26bce
Provides: bundled(pffft) = 0~git483453d
Provides: bundled(portaudio) = 0~git
Provides: bundled(rnnoise) = 0~git91ef40
Provides: bundled(sigslot) = 0~git
Provides: bundled(spl_sqrt_floor) = 0~git
Requires: pkgconfig(alsa)
Requires: pkgconfig(epoxy)
Requires: pkgconfig(gbm)
Requires: pkgconfig(libdrm)
Requires: pkgconfig(libjpeg)
Requires: pkgconfig(libpipewire-0.3)
Requires: pkgconfig(libpulse)
Requires: pkgconfig(opus)
Requires: pkgconfig(vpx)
Requires: pkgconfig(x11)
Requires: pkgconfig(xcomposite)
Requires: pkgconfig(xdamage)
Requires: pkgconfig(xext)
Requires: pkgconfig(xfixes)
Requires: pkgconfig(xrandr)
Requires: pkgconfig(xrender)
Requires: pkgconfig(xtst)
Requires: pkgconfig(libavcodec)
Requires: pkgconfig(libavformat)
Requires: pkgconfig(libavutil)
Requires: pkgconfig(libswresample)
Requires: pkgconfig(libswscale)
Requires: libffmpeg-devel
Requires: libopenssl-devel
Requires: openssl

%description devel
%{summary}.

%prep
%autosetup -n %{name}-%{commit0} -p1
tar -xf %{SOURCE1} -C src/third_party/libyuv --strip=1
tar -xf %{SOURCE2} -C src/third_party/crc32c/src --strip=1
tar -xf %{SOURCE3} -C src/third_party/abseil-cpp --strip=1

mkdir legal
cp -f -p src/third_party/abseil-cpp/LICENSE legal/LICENSE.abseil-cpp
cp -f -p src/third_party/abseil-cpp/README.md legal/README.abseil-cpp
cp -f -p src/third_party/crc32c/src/LICENSE legal/LICENSE.crc32c
cp -f -p src/third_party/crc32c/src/README.md legal/README.crc32c
cp -f -p src/third_party/libsrtp/LICENSE legal/LICENSE.libsrtp
cp -f -p src/third_party/libsrtp/README.chromium legal/README.libsrtp
cp -f -p src/third_party/libyuv/LICENSE legal/LICENSE.libyuv
cp -f -p src/third_party/libyuv/PATENTS legal/PATENTS.libyuv
cp -f -p src/third_party/libyuv/README.chromium legal/README.libyuv
cp -f -p src/third_party/openh264/src/LICENSE legal/LICENSE.openh264
cp -f -p src/third_party/openh264/README.chromium legal/README.openh264
cp -f -p src/third_party/pffft/LICENSE legal/LICENSE.pffft
cp -f -p src/third_party/pffft/README.chromium legal/README.pffft
cp -f -p src/third_party/rnnoise/COPYING legal/LICENSE.rnnoise
cp -f -p src/third_party/rnnoise/README.chromium legal/README.rnnoise
cp -f -p src/common_audio/third_party/ooura/LICENSE legal/LICENSE.ooura
cp -f -p src/common_audio/third_party/ooura/README.chromium legal/README.ooura
cp -f -p src/common_audio/third_party/spl_sqrt_floor/LICENSE legal/LICENSE.spl_sqrt_floor
cp -f -p src/common_audio/third_party/spl_sqrt_floor/README.chromium legal/README.spl_sqrt_floor
cp -f -p src/modules/third_party/fft/LICENSE legal/LICENSE.fft
cp -f -p src/modules/third_party/fft/README.chromium legal/README.fft
cp -f -p src/modules/third_party/g711/LICENSE legal/LICENSE.g711
cp -f -p src/modules/third_party/g711/README.chromium legal/README.g711
cp -f -p src/modules/third_party/g722/LICENSE legal/LICENSE.g722
cp -f -p src/modules/third_party/g722/README.chromium legal/README.g722
cp -f -p src/modules/third_party/portaudio/LICENSE legal/LICENSE.portaudio
cp -f -p src/modules/third_party/portaudio/README.chromium legal/README.portaudio
cp -f -p src/rtc_base/third_party/base64/LICENSE legal/LICENSE.base64
cp -f -p src/rtc_base/third_party/base64/README.chromium legal/README.base64
cp -f -p src/rtc_base/third_party/sigslot/LICENSE legal/LICENSE.sigslot
cp -f -p src/rtc_base/third_party/sigslot/README.chromium legal/README.sigslot

%build
# CMAKE_BUILD_TYPE should always be Release due to some hardcoded checks.
# Warning: Building as a shared library is not supported by upstream.
%cmake -G Ninja \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=ON \
    -DBUILD_SHARED_LIBS:BOOL=OFF \
    -DTG_OWT_USE_PROTOBUF:BOOL=OFF \
    -DTG_OWT_PACKAGED_BUILD:BOOL=ON
%cmake_build

%install
%cmake_install

%files devel
%doc src/AUTHORS src/OWNERS legal/README.*
%license LICENSE src/PATENTS legal/LICENSE.* legal/PATENTS.*
%{_includedir}/%{name}
%{_libdir}/cmake/%{name}
%{_libdir}/lib%{name}.a