add(main): new package pipewire

closes #10786

Signed-off-by: Aditya Alok <dev.aditya.alok@gmail.com>

packages/pipewire/build.sh

@@ -0,0 +1,35 @@
+TERMUX_PKG_HOMEPAGE=https://pipewire.org/
+TERMUX_PKG_DESCRIPTION="A server and user space API to deal with multimedia pipelines"
+TERMUX_PKG_LICENSE="MIT, LGPL-2.1, LGPL-3.0, GPL-2.0"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION=0.3.51
+TERMUX_PKG_SRCURL="https://gitlab.freedesktop.org/pipewire/pipewire/-/archive/${TERMUX_PKG_VERSION}/pipewire-${TERMUX_PKG_VERSION}.tar.bz2"
+TERMUX_PKG_SHA256=1820bfd524805ef3e4e4dcb368f26efa5f43ca90f8c3c67731e502268c34245e
+TERMUX_PKG_DEPENDS="avahi, ffmpeg, libfdk-aac, liblua54, lilv, libsndfile, libusb, libwebrtc-audio-processing, pulseaudio"
+
+# 'media-session' session-managers is disabled as it requires alsa.
+# Since we are building without x11, dbus is disabled.
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
+-Dtests=disabled
+-Dexamples=disabled
+-Dpipewire-alsa=disabled
+-Dalsa=disabled
+-Dpipewire-jack=disabled
+-Djack=disabled
+-Ddbus=disabled
+-Dsession-managers=['wireplumber']
+-Dffmpeg=enabled
+-Dwireplumber:system-lua=true
+-Dwireplumber:system-lua-version=54
+"
+
+termux_step_pre_configure() {
+	CFLAGS+=" -Dindex=strchr -Drindex=strrchr"
+	sed "s|@TERMUX_PKG_BUILDER_DIR@|${TERMUX_PKG_BUILDER_DIR}|g" \
+		"${TERMUX_PKG_BUILDER_DIR}"/reallocarray.diff | patch -p1
+}
+
+termux_step_install_license() {
+	install -Dm600 -t "${TERMUX_PREFIX}/share/doc/${TERMUX_PKG_NAME}" \
+		"${TERMUX_PKG_SRCDIR}"/LICENSE "${TERMUX_PKG_SRCDIR}"/COPYING
+}

packages/pipewire/pthread_cancel.patch

@@ -0,0 +1,13 @@
+--- ./data-loop.c.orig	2022-05-23 23:10:06.894402311 +0530
++++ ./src/pipewire/data-loop.c	2022-05-23 23:13:31.814402233 +0530
+@@ -230,8 +230,8 @@
+ 	if (loop->running) {
+ 		struct spa_thread_utils *utils;
+ 		if (loop->cancel) {
+-			pw_log_debug("%p cancel", loop);
+-			pthread_cancel(loop->thread);
++			pw_log_debug("%p cancel (used pthread_kill as cancel not available on android)", loop);
++			pthread_kill(loop->thread, 0);
+ 		} else {
+ 			pw_log_debug("%p signal", loop);
+ 			pw_loop_invoke(loop->loop, do_stop, 1, NULL, 0, false, loop);

packages/pipewire/reallocarray.c

@@ -0,0 +1,39 @@
+/*	$OpenBSD: reallocarray.c,v 1.2 2014/12/08 03:45:00 bcook Exp $	*/
+/*
+ * Copyright (c) 2008 Otto Moerbeek <otto@drijf.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/cdefs.h>
+
+#include <errno.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+/*
+ * This is sqrt(SIZE_MAX+1), as s1*s2 <= SIZE_MAX
+ * if both s1 < MUL_NO_OVERFLOW and s2 < MUL_NO_OVERFLOW
+ */
+#define MUL_NO_OVERFLOW ((size_t)1 << (sizeof(size_t) * 4))
+
+void *reallocarray(void *optr, size_t nmemb, size_t size) {
+
+  if ((nmemb >= MUL_NO_OVERFLOW || size >= MUL_NO_OVERFLOW) && nmemb > 0 &&
+      SIZE_MAX / nmemb < size) {
+    errno = ENOMEM;
+    return (NULL);
+  }
+  return (realloc(optr, size * nmemb));
+}

packages/pipewire/reallocarray.diff

@@ -0,0 +1,35 @@
+# Use reallocarray from BSD, its available in bionic with __ANDROID_API__ >= 29.
+
+--- meson.build.orig	2022-05-24 11:10:00.415154895 +0530
++++ ./src/pipewire/meson.build	2022-05-24 11:10:28.705154884 +0530
+@@ -47,6 +47,7 @@
+ ]
+
+ pipewire_sources = [
++  '@TERMUX_PKG_BUILDER_DIR@/reallocarray.c',
+   'buffers.c',
+   'impl-core.c',
+   'impl-client.c',
+
+--- meson.build.orig	2022-05-24 12:11:59.965153476 +0530
++++ ./src/modules/meson.build	2022-05-24 12:13:02.385153453 +0530
+@@ -326,7 +326,8 @@
+ )
+
+ pipewire_module_client_node = shared_library('pipewire-module-client-node',
+-  [ 'module-client-node.c',
++  [ '@TERMUX_PKG_BUILDER_DIR@/reallocarray.c',
++    'module-client-node.c',
+     'module-client-node/remote-node.c',
+     'module-client-node/client-node.c',
+     'module-client-node/protocol-native.c',
+@@ -395,7 +396,8 @@
+ )
+
+ pipewire_module_session_manager = shared_library('pipewire-module-session-manager',
+-  [ 'module-session-manager.c',
++  [ '@TERMUX_PKG_BUILDER_DIR@/reallocarray.c',
++    'module-session-manager.c',
+     'module-session-manager/client-endpoint/client-endpoint.c',
+     'module-session-manager/client-endpoint/endpoint-stream.c',
+     'module-session-manager/client-endpoint/endpoint.c',

packages/pipewire/runtime_dir.patch

@@ -0,0 +1,38 @@
+# Default to temporary folder for runtime_dir.
+
+--- module-protocol-native.c.orig	2022-05-25 11:10:34.812429150 +0530
++++ ./src/modules/module-protocol-native.c	2022-05-25 11:22:50.862428869 +0530
+@@ -660,5 +661,8 @@
+ 		runtime_dir = getenv("XDG_RUNTIME_DIR");
+ 	if (runtime_dir == NULL)
+ 		runtime_dir = getenv("USERPROFILE");
++	if (runtime_dir == NULL) {
++		runtime_dir = "@TERMUX_PREFIX@/tmp";
++	}
+ 	return runtime_dir;
+ }
+
+--- utils.c.orig	2022-05-25 11:10:14.722429157 +0530
++++ ./src/modules/module-protocol-pulse/utils.c	2022-05-25 11:21:28.562428900 +0530
+@@ -59,7 +59,10 @@
+ 	runtime_dir = getenv("PULSE_RUNTIME_PATH");
+ 	if (runtime_dir == NULL)
+ 		runtime_dir = getenv("XDG_RUNTIME_DIR");
++	if (runtime_dir == NULL) {
++		runtime_dir = "@TERMUX_PREFIX@/tmp";
++	}
+
+ 	if (runtime_dir == NULL) {
+ 		pw_log_error("could not find a suitable runtime directory in"
+
+--- local-socket.c.orig	2022-05-25 11:10:47.232429145 +0530
++++ ./src/modules/module-protocol-native/local-socket.c	2022-05-25 11:19:02.752428956 +0530
+@@ -70,5 +71,8 @@
+ 		runtime_dir = getenv("XDG_RUNTIME_DIR");
+ 	if (runtime_dir == NULL)
+ 		runtime_dir = getenv("USERPROFILE");
++	if (runtime_dir == NULL){
++		runtime_dir = "@TERMUX_PREFIX@/tmp";
++	}
+ 	return runtime_dir;
+ }