1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
#!/bin/sh
# Builds ffmpeg, or one of the libraries that ffmpeg depends on, from source as a
# static library with lto. Only the components that gpu-screen-recorder uses are enabled.
# This is run by meson when the "ffmpeg_static" option is enabled.
set -eu
if [ $# -ne 5 ]; then
echo "usage: $0 <library> <source-dir> <build-dir> <install-prefix> <c-compiler>" >&2
exit 1
fi
library=$1
source_dir=$2
build_dir=$3
prefix=$4
compiler=$5
log_file=$build_dir/build.log
stamp_file=$prefix/$library.stamp
jobs=$(nproc 2>/dev/null || echo 4)
export CC=$compiler
export PKG_CONFIG_PATH=$prefix/lib/pkgconfig${PKG_CONFIG_PATH:+:$PKG_CONFIG_PATH}
require_program() {
if ! command -v "$1" >/dev/null 2>&1; then
echo "error: $1 is required to build $library from source" >&2
exit 1
fi
}
require_program pkg-config
require_program make
case $library in
nv-codec-headers)
set -- PREFIX="$prefix"
build() {
make -C "$source_dir" "$@" install
}
;;
x264)
require_program nasm
set -- --prefix="$prefix" \
--enable-static \
--enable-pic \
--enable-lto \
--disable-cli \
--disable-opencl
build() {
"$source_dir/configure" "$@"
make -j"$jobs"
make install
}
;;
opus)
set -- --prefix="$prefix" \
--disable-shared \
--enable-static \
--with-pic \
--disable-doc \
--disable-extra-programs \
CFLAGS="-O3 -flto -fPIC" \
LDFLAGS="-flto"
build() {
"$source_dir/configure" "$@"
make -j"$jobs"
make install
}
;;
openssl)
require_program perl
# The certificate directory of the system openssl is used so that certificate
# verification keeps working the same way as it does with the system openssl.
openssl_dir=$(openssl version -d 2>/dev/null | sed -n 's/^OPENSSLDIR: "\(.*\)"$/\1/p')
if [ -z "$openssl_dir" ]; then
openssl_dir=/etc/ssl
fi
set -- --prefix="$prefix" \
--libdir=lib \
--openssldir="$openssl_dir" \
no-shared \
no-apps \
no-docs \
no-tests \
no-legacy \
no-engine \
no-comp \
no-quic \
no-ssl3 \
no-weak-ssl-ciphers \
no-cms \
no-ct \
no-ts \
no-ocsp \
no-srp \
no-psk \
no-dsa \
no-ec2m \
no-gost \
no-idea \
no-md2 \
no-md4 \
no-mdc2 \
no-rc2 \
no-rc4 \
no-rc5 \
no-bf \
no-cast \
no-seed \
no-camellia \
no-whirlpool \
no-rmd160 \
no-sm2 \
no-sm3 \
no-sm4 \
no-siphash \
-O3 -flto -fPIC
build() {
"$source_dir/Configure" "$@"
make -j"$jobs"
make install_sw
}
;;
srt)
require_program cmake
set -- -DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX="$prefix" \
-DCMAKE_INSTALL_LIBDIR=lib \
-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON \
-DCMAKE_POSITION_INDEPENDENT_CODE=ON \
-DENABLE_SHARED=OFF \
-DENABLE_STATIC=ON \
-DENABLE_APPS=OFF \
-DENABLE_EXAMPLES=OFF \
-DENABLE_TESTING=OFF \
-DENABLE_UNITTESTS=OFF \
-DUSE_ENCLIB=openssl \
-DOPENSSL_ROOT_DIR="$prefix" \
-DOPENSSL_USE_STATIC_LIBS=ON
build() {
cmake -S "$source_dir" -B "$build_dir" "$@"
cmake --build "$build_dir" -j"$jobs"
cmake --install "$build_dir"
}
;;
ffmpeg)
require_program nasm
encoders=aac,flac,libx264,libopus,h264_nvenc,hevc_nvenc,av1_nvenc,h264_vaapi,hevc_vaapi,vp8_vaapi,vp9_vaapi,h264_vulkan,hevc_vulkan
muxers=mp4,mov,matroska,webm,flv,mpegts,hls,whip
protocols=file,pipe,tcp,udp,http,https,tls,rtmp,rtmps,libsrt
filters=abuffer,abuffersink,amix,aresample,aformat,anull
if pkg-config --atleast-version=1.16 libva; then
encoders=$encoders,av1_vaapi
else
echo "warning: libva is too old for av1 vaapi encoding" >&2
fi
if pkg-config --atleast-version=1.4.317 vulkan; then
encoders=$encoders,av1_vulkan
else
echo "warning: the vulkan headers are too old for av1 vulkan encoding" >&2
fi
# ffmpeg ignores $CC and the same compiler as gpu-screen-recorder has to be
# used because lto objects are not compatible between compilers.
set -- --prefix="$prefix" \
--cc="$compiler" \
--pkg-config-flags=--static \
--disable-debug \
--disable-everything \
--disable-autodetect \
--disable-programs \
--disable-doc \
--disable-avdevice \
--disable-swscale \
--disable-shared \
--enable-static \
--enable-pic \
--enable-lto \
--enable-gpl \
--enable-version3 \
--enable-network \
--enable-encoder="$encoders" \
--enable-muxer="$muxers" \
--enable-protocol="$protocols" \
--enable-filter="$filters" \
--enable-bsf=extract_extradata \
--enable-libx264 \
--enable-libopus \
--enable-libsrt \
--enable-openssl \
--enable-ffnvcodec \
--enable-nvenc \
--enable-cuda \
--enable-vaapi \
--enable-vulkan
build() {
"$source_dir/configure" "$@"
make -j"$jobs"
make install
}
;;
*)
echo "error: unknown library $library" >&2
exit 1
;;
esac
# Rebuilding takes a long time, only do it when the source or the configuration changed.
stamp="$source_dir $compiler $*"
if [ -f "$stamp_file" ] && [ "$(cat "$stamp_file")" = "$stamp" ]; then
exit 0
fi
rm -rf "$build_dir"
mkdir -p "$build_dir"
echo "Building $library, this takes a while. Output is written to $log_file" >&2
(
cd "$build_dir"
build "$@"
) >"$log_file" 2>&1 || {
echo "error: failed to build $library, see $log_file for details:" >&2
tail -n 30 "$log_file" >&2
exit 1
}
printf '%s' "$stamp" > "$stamp_file"
|
