diff --git a/sesman/chansrv/Makefile.am b/sesman/chansrv/Makefile.am index b46fa63d..35273283 100644 --- a/sesman/chansrv/Makefile.am +++ b/sesman/chansrv/Makefile.am @@ -1,7 +1,6 @@ EXTRA_DIST = \ clipboard-notes.txt \ pcsc \ - pulse \ wave-format-server.txt AM_CPPFLAGS = \ diff --git a/sesman/chansrv/pulse/.gitignore b/sesman/chansrv/pulse/.gitignore deleted file mode 100644 index 24600083..00000000 --- a/sesman/chansrv/pulse/.gitignore +++ /dev/null @@ -1 +0,0 @@ -!Makefile diff --git a/sesman/chansrv/pulse/Makefile b/sesman/chansrv/pulse/Makefile deleted file mode 100644 index de53ff69..00000000 --- a/sesman/chansrv/pulse/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -# -# build xrdp pulseaudio modules -# - -# change this to your pulseaudio source directory -PULSE_DIR = /tmp/pulseaudio-10.0 -CFLAGS = -Wall -O2 -I $(PULSE_DIR) -I $(PULSE_DIR)/src -DHAVE_CONFIG_H -fPIC - -all: module-xrdp-sink.so module-xrdp-source.so - -module-xrdp-sink.so: module-xrdp-sink.o - $(CC) $(LDFLAGS) -shared -o module-xrdp-sink.so module-xrdp-sink.o - -module-xrdp-source.so: module-xrdp-source.o - $(CC) $(LDFLAGS) -shared -o module-xrdp-source.so module-xrdp-source.o - -clean: - rm -f module-xrdp-sink.o module-xrdp-sink.so module-xrdp-source.o module-xrdp-source.so diff --git a/sesman/chansrv/pulse/README.md b/sesman/chansrv/pulse/README.md deleted file mode 100644 index dbc89242..00000000 --- a/sesman/chansrv/pulse/README.md +++ /dev/null @@ -1,117 +0,0 @@ -The latest version of this document can be found at wiki. - -* https://github.com/neutrinolabs/xrdp/wiki/How-to-set-up-audio-redirection - - -# Overview -xrdp supports audio redirection using PulseAudio, which is a sound system for -POSIX operating systems. Server to client redirection is compliant to Remote -Desktop Procol standard [[MS-RDPEA]](https://msdn.microsoft.com/en-us/library/cc240933.aspx) -but client to server redirection implementation is proprietary. Accordingly, -server to client redirection is available with many of RDP clients including -Microsoft client but client to server redirection requires NeutrinoRDP client, -not available with other clients. - -Here is how to build pulseaudio modules for your distro, so you can have audio -support through xrdp. - -# Prerequisites -Prepare xrdp source in your home directory. Of course, you can choose another -directory. - - cd ~ - git clone https://github.com/neutrinolabs/xrdp.git - -In this instruction, pulseaudio version is **10.0**. Replace the version number -in this instruction if your environment has different versions. You can find -out your pulseaudio version executing the following command: - - pulseaudio --version - -# How to build - -## Debian 9 / Ubuntu - -This instruction also should be applicable to Ubuntu family. - -### Prerequisites - -Some build tools and package development tools are required. Make sure install -the tools. - - apt install build-essential dpkg-dev - -### Prepare & build - -Install pulseaudio and requisite packages to build pulseaudio. - - apt install pulseaudio - apt build-dep pulseaudio - -Fetch the pulseaudio source . You'll see `pulseaudio-10.0` directory in your -current directory. - - apt source pulseaudio - -Enter into the directory and build the pulseaudio package. - - cd pulseaudio-10.0 - ./configure - -Finally, let's make. You'll have two .so files `module-xrdp-sink.so` and -`module-xrdp-source.so`. - - cd ~/xrdp/sesman/chansrv/pulse - make PULSE_DIR="~/pulseaudio-10.0" - -## Other distro - -First off, find out your pulseaudio version using `pulseaudio --version` -command. Download the tarball of the pulseaudio version that you have. - -* https://freedesktop.org/software/pulseaudio/releases/ - -After downloading the tarball, extact the tarball and `cd` into the source -directory, then run `./configure`. - - wget https://freedesktop.org/software/pulseaudio/releases/pulseaudio-10.0.tar.xz - tar xf pulseaudio-10.0.tar.gz - cd pulseaudio-10.0 - ./configure - -If additional packages are required to run `./configure`, install requisite -packages depending on your environment. - -Finally, let's make. You'll have two .so files `module-xrdp-sink.so` and -`module-xrdp-source.so`. - - cd ~/xrdp/sesman/chansrv/pulse - make PULSE_DIR="~/pulseaudio-10.0" - -# Install - -Install process is not distro specific except for install destination. Install -built two .so files into the pulseaudio modules directory. Typically, -`/usr/lib/pulse-10.0/modules` for Debian, `/usr/lib64/pulse-10.0/modules` for -CentOS 7. Other distro might have different path. Find out the right path for -your distro. - -Look into the directory with `ls` command. You'll see lots of `module-*.so` -files. There's the place! - - cd ~/xrdp/sesman/chansrv/pulse - for f in *.so; do install -s -m 644 $f /usr/lib/pulse-10.0/modules; done - -This command is equivalent to following: - - install -s -m 644 module-xrdp-sink.so /usr/lib/pulse-10.0/modules - install -s -m 644 module-xrdp-source.so /usr/lib/pulse-10.0/modules - -Well done! Pulseaudio modules should be properly built and installed. - - -# See if it works - -To see if it works, run `pavumeter` in the xrdp session. Playback any YouTube -video in Firefox. You'll see "Showing signal levels of **xrdp sink**" and -volume meter moving. diff --git a/sesman/chansrv/pulse/module-xrdp-sink-symdef.h b/sesman/chansrv/pulse/module-xrdp-sink-symdef.h deleted file mode 100644 index 7001ba51..00000000 --- a/sesman/chansrv/pulse/module-xrdp-sink-symdef.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef MODULE_XRDP_SINK_SYMDEF_H -#define MODULE_XRDP_SINK_SYMDEF_H - -#include -#include -#include - -#define pa__init module_xrdp_sink_LTX_pa__init -#define pa__done module_xrdp_sink_LTX_pa__done -#define pa__get_author module_xrdp_sink_LTX_pa__get_author -#define pa__get_description module_xrdp_sink_LTX_pa__get_description -#define pa__get_usage module_xrdp_sink_LTX_pa__get_usage -#define pa__get_version module_xrdp_sink_LTX_pa__get_version -#define pa__get_deprecated module_xrdp_sink_LTX_pa__get_deprecated -#define pa__load_once module_xrdp_sink_LTX_pa__load_once -#define pa__get_n_used module_xrdp_sink_LTX_pa__get_n_used - -int pa__init(pa_module*m); -void pa__done(pa_module*m); -int pa__get_n_used(pa_module*m); - -const char* pa__get_author(void); -const char* pa__get_description(void); -const char* pa__get_usage(void); -const char* pa__get_version(void); -const char* pa__get_deprecated(void); -pa_bool_t pa__load_once(void); - -#endif diff --git a/sesman/chansrv/pulse/module-xrdp-sink.c b/sesman/chansrv/pulse/module-xrdp-sink.c deleted file mode 100644 index 768b0795..00000000 --- a/sesman/chansrv/pulse/module-xrdp-sink.c +++ /dev/null @@ -1,613 +0,0 @@ -/** - * xrdp: A Remote Desktop Protocol server. - * pulse sink - * - * Copyright (C) Jay Sorg 2013 - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* - * see pulse-notes.txt -*/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* defined in pulse/version.h */ -#if PA_PROTOCOL_VERSION > 28 -/* these used to be defined in pulsecore/macro.h */ -typedef bool pa_bool_t; -#define FALSE ((pa_bool_t) 0) -#define TRUE (!FALSE) -#else -#endif - -#include "module-xrdp-sink-symdef.h" -#include "../../../common/xrdp_sockets.h" - -PA_MODULE_AUTHOR("Jay Sorg"); -PA_MODULE_DESCRIPTION("xrdp sink"); -PA_MODULE_VERSION(PACKAGE_VERSION); -PA_MODULE_LOAD_ONCE(FALSE); -PA_MODULE_USAGE( - "sink_name= " - "sink_properties= " - "format= " - "rate= " - "channels= " - "channel_map="); - -#define DEFAULT_SINK_NAME "xrdp-sink" -#define BLOCK_USEC 30000 -//#define BLOCK_USEC (PA_USEC_PER_SEC * 2) - -struct userdata { - pa_core *core; - pa_module *module; - pa_sink *sink; - - pa_thread *thread; - pa_thread_mq thread_mq; - pa_rtpoll *rtpoll; - - pa_usec_t block_usec; - pa_usec_t timestamp; - pa_usec_t failed_connect_time; - pa_usec_t last_send_time; - - int fd; /* unix domain socket connection to xrdp chansrv */ - int display_num; - int skip_bytes; - int got_max_latency; - -}; - -static const char* const valid_modargs[] = { - "sink_name", - "sink_properties", - "format", - "rate", - "channels", - "channel_map", - NULL -}; - -static int close_send(struct userdata *u); - -static int sink_process_msg(pa_msgobject *o, int code, void *data, - int64_t offset, pa_memchunk *chunk) { - - struct userdata *u = PA_SINK(o)->userdata; - pa_usec_t now; - long lat; - - pa_log_debug("sink_process_msg: code %d", code); - - switch (code) { - - case PA_SINK_MESSAGE_SET_VOLUME: /* 3 */ - break; - - case PA_SINK_MESSAGE_SET_MUTE: /* 6 */ - break; - - case PA_SINK_MESSAGE_GET_LATENCY: /* 7 */ - now = pa_rtclock_now(); - lat = u->timestamp > now ? u->timestamp - now : 0ULL; - pa_log_debug("sink_process_msg: lat %ld", lat); - *((pa_usec_t*) data) = lat; - return 0; - - case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: /* 8 */ - break; - - case PA_SINK_MESSAGE_SET_STATE: /* 9 */ - if (PA_PTR_TO_UINT(data) == PA_SINK_RUNNING) /* 0 */ { - pa_log("sink_process_msg: running"); - - u->timestamp = pa_rtclock_now(); - } else { - pa_log("sink_process_msg: not running"); - close_send(u); - } - break; - - } - - return pa_sink_process_msg(o, code, data, offset, chunk); -} - -static void sink_update_requested_latency_cb(pa_sink *s) { - struct userdata *u; - size_t nbytes; - - pa_sink_assert_ref(s); - pa_assert_se(u = s->userdata); - - u->block_usec = BLOCK_USEC; - //u->block_usec = pa_sink_get_requested_latency_within_thread(s); - pa_log("1 block_usec %llu", (unsigned long long) u->block_usec); - - u->got_max_latency = 0; - if (u->block_usec == (pa_usec_t) -1) { - u->block_usec = s->thread_info.max_latency; - pa_log_debug("2 block_usec %llu", (unsigned long long) u->block_usec); - u->got_max_latency = 1; - } - - nbytes = pa_usec_to_bytes(u->block_usec, &s->sample_spec); - pa_sink_set_max_rewind_within_thread(s, nbytes); - pa_sink_set_max_request_within_thread(s, nbytes); -} - -static void process_rewind(struct userdata *u, pa_usec_t now) { - size_t rewind_nbytes, in_buffer; - pa_usec_t delay; - - pa_assert(u); - - /* Figure out how much we shall rewind and reset the counter */ - rewind_nbytes = u->sink->thread_info.rewind_nbytes; - u->sink->thread_info.rewind_nbytes = 0; - - pa_assert(rewind_nbytes > 0); - pa_log_debug("Requested to rewind %lu bytes.", - (unsigned long) rewind_nbytes); - - if (u->timestamp <= now) - goto do_nothing; - - delay = u->timestamp - now; - in_buffer = pa_usec_to_bytes(delay, &u->sink->sample_spec); - - if (in_buffer <= 0) - goto do_nothing; - - if (rewind_nbytes > in_buffer) - rewind_nbytes = in_buffer; - - pa_sink_process_rewind(u->sink, rewind_nbytes); - u->timestamp -= pa_bytes_to_usec(rewind_nbytes, &u->sink->sample_spec); - u->skip_bytes += rewind_nbytes; - - pa_log_debug("Rewound %lu bytes.", (unsigned long) rewind_nbytes); - return; - -do_nothing: - - pa_sink_process_rewind(u->sink, 0); -} - -struct header { - int code; - int bytes; -}; - -static int get_display_num_from_display(char *display_text) { - int index; - int mode; - int host_index; - int disp_index; - int scre_index; - int display_num; - char host[256]; - char disp[256]; - char scre[256]; - - if (display_text == NULL) { - return 0; - } - memset(host, 0, 256); - memset(disp, 0, 256); - memset(scre, 0, 256); - - index = 0; - host_index = 0; - disp_index = 0; - scre_index = 0; - mode = 0; - - while (display_text[index] != 0) { - if (display_text[index] == ':') { - mode = 1; - } else if (display_text[index] == '.') { - mode = 2; - } else if (mode == 0) { - host[host_index] = display_text[index]; - host_index++; - } else if (mode == 1) { - disp[disp_index] = display_text[index]; - disp_index++; - } else if (mode == 2) { - scre[scre_index] = display_text[index]; - scre_index++; - } - index++; - } - - host[host_index] = 0; - disp[disp_index] = 0; - scre[scre_index] = 0; - display_num = atoi(disp); - return display_num; -} - -static int lsend(int fd, char *data, int bytes) { - int sent = 0; - int error; - while (sent < bytes) { - error = send(fd, data + sent, bytes - sent, 0); - if (error < 1) { - return error; - } - sent += error; - } - return sent; -} - -static int data_send(struct userdata *u, pa_memchunk *chunk) { - char *data; - char *socket_dir; - int bytes; - int sent; - int fd; - struct header h; - struct sockaddr_un s; - - if (u->fd == 0) { - if (u->failed_connect_time != 0) { - if (pa_rtclock_now() - u->failed_connect_time < 1000000) { - return 0; - } - } - fd = socket(PF_LOCAL, SOCK_STREAM, 0); - memset(&s, 0, sizeof(s)); - s.sun_family = AF_UNIX; - bytes = sizeof(s.sun_path) - 1; - socket_dir = getenv("XRDP_SOCKET_PATH"); - if (socket_dir == NULL || socket_dir[0] == '\0') - { - socket_dir = "/tmp/.xrdp"; - } - snprintf(s.sun_path, bytes, "%s/" CHANSRV_PORT_OUT_BASE_STR, - socket_dir, u->display_num); - pa_log_debug("trying to connect to %s", s.sun_path); - if (connect(fd, (struct sockaddr *)&s, - sizeof(struct sockaddr_un)) != 0) { - u->failed_connect_time = pa_rtclock_now(); - pa_log_debug("Connected failed"); - close(fd); - return 0; - } - u->failed_connect_time = 0; - pa_log("Connected ok fd %d", fd); - u->fd = fd; - } - - bytes = chunk->length; - pa_log_debug("bytes %d", bytes); - - /* from rewind */ - if (u->skip_bytes > 0) { - if (bytes > u->skip_bytes) { - bytes -= u->skip_bytes; - u->skip_bytes = 0; - } else { - u->skip_bytes -= bytes; - return bytes; - } - } - - h.code = 0; - h.bytes = bytes + 8; - if (lsend(u->fd, (char*)(&h), 8) != 8) { - pa_log("data_send: send failed"); - close(u->fd); - u->fd = 0; - return 0; - } else { - pa_log_debug("data_send: sent header ok bytes %d", bytes); - } - - data = (char*)pa_memblock_acquire(chunk->memblock); - data += chunk->index; - sent = lsend(u->fd, data, bytes); - pa_memblock_release(chunk->memblock); - - if (sent != bytes) { - pa_log("data_send: send failed sent %d bytes %d", sent, bytes); - close(u->fd); - u->fd = 0; - return 0; - } - - return sent; -} - -static int close_send(struct userdata *u) { - struct header h; - - pa_log("close_send:"); - if (u->fd == 0) { - return 0; - } - h.code = 1; - h.bytes = 8; - if (lsend(u->fd, (char*)(&h), 8) != 8) { - pa_log("close_send: send failed"); - close(u->fd); - u->fd = 0; - return 0; - } else { - pa_log_debug("close_send: sent header ok"); - } - return 8; -} - -static void process_render(struct userdata *u, pa_usec_t now) { - pa_memchunk chunk; - int request_bytes; - - pa_assert(u); - if (u->got_max_latency) { - return; - } - pa_log_debug("process_render: u->block_usec %llu", (unsigned long long) u->block_usec); - while (u->timestamp < now + u->block_usec) { - request_bytes = u->sink->thread_info.max_request; - request_bytes = MIN(request_bytes, 16 * 1024); - pa_sink_render(u->sink, request_bytes, &chunk); - data_send(u, &chunk); - pa_memblock_unref(chunk.memblock); - u->timestamp += pa_bytes_to_usec(chunk.length, &u->sink->sample_spec); - } -} - -static void thread_func(void *userdata) { - - struct userdata *u = userdata; - int ret; - pa_usec_t now; - - pa_assert(u); - - pa_log_debug("Thread starting up"); - - pa_thread_mq_install(&u->thread_mq); - - u->timestamp = pa_rtclock_now(); - - for (;;) { - - if (u->sink->thread_info.state == PA_SINK_RUNNING) { - - now = pa_rtclock_now(); - - if (u->sink->thread_info.rewind_requested) { - if (u->sink->thread_info.rewind_nbytes > 0) { - process_rewind(u, now); - } else { - pa_sink_process_rewind(u->sink, 0); - } - } - - if (u->timestamp <= now) { - pa_log_debug("thread_func: calling process_render"); - process_render(u, now); - } - - pa_rtpoll_set_timer_absolute(u->rtpoll, u->timestamp); - - } else { - pa_rtpoll_set_timer_disabled(u->rtpoll); - } - -#if defined(PA_CHECK_VERSION) && PA_CHECK_VERSION(6, 0, 0) - if ((ret = pa_rtpoll_run(u->rtpoll)) < 0) { -#else - if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0) { -#endif - goto fail; - } - - if (ret == 0) { - goto finish; - } - } - -fail: - /* If this was no regular exit from the loop we have to continue - * processing messages until we received PA_MESSAGE_SHUTDOWN */ - pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), - PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, - NULL, NULL); - pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN); - -finish: - pa_log_debug("Thread shutting down"); -} - -int pa__init(pa_module*m) { - struct userdata *u = NULL; - pa_sample_spec ss; - pa_channel_map map; - pa_modargs *ma = NULL; - pa_sink_new_data data; - size_t nbytes; - - pa_assert(m); - - if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { - pa_log("Failed to parse module arguments."); - goto fail; - } - - ss = m->core->default_sample_spec; - map = m->core->default_channel_map; - if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, - PA_CHANNEL_MAP_DEFAULT) < 0) { - pa_log("Invalid sample format specification or channel map"); - goto fail; - } - - m->userdata = u = pa_xnew0(struct userdata, 1); - u->core = m->core; - u->module = m; - u->rtpoll = pa_rtpoll_new(); - pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll); - - pa_sink_new_data_init(&data); - data.driver = __FILE__; - data.module = m; - pa_sink_new_data_set_name(&data, - pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME)); - pa_sink_new_data_set_sample_spec(&data, &ss); - pa_sink_new_data_set_channel_map(&data, &map); - pa_proplist_sets(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "xrdp sink"); - pa_proplist_sets(data.proplist, PA_PROP_DEVICE_CLASS, "abstract"); - - if (pa_modargs_get_proplist(ma, "sink_properties", data.proplist, - PA_UPDATE_REPLACE) < 0) { - pa_log("Invalid properties"); - pa_sink_new_data_done(&data); - goto fail; - } - - u->sink = pa_sink_new(m->core, &data, - PA_SINK_LATENCY | PA_SINK_DYNAMIC_LATENCY); - pa_sink_new_data_done(&data); - - if (!u->sink) { - pa_log("Failed to create sink object."); - goto fail; - } - - u->sink->parent.process_msg = sink_process_msg; - u->sink->update_requested_latency = sink_update_requested_latency_cb; - u->sink->userdata = u; - - pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq); - pa_sink_set_rtpoll(u->sink, u->rtpoll); - - u->block_usec = BLOCK_USEC; - pa_log_debug("3 block_usec %llu", (unsigned long long) u->block_usec); - nbytes = pa_usec_to_bytes(u->block_usec, &u->sink->sample_spec); - pa_sink_set_max_rewind(u->sink, nbytes); - pa_sink_set_max_request(u->sink, nbytes); - - u->display_num = get_display_num_from_display(getenv("DISPLAY")); - -#if defined(PA_CHECK_VERSION) -#if PA_CHECK_VERSION(0, 9, 22) - if (!(u->thread = pa_thread_new("xrdp-sink", thread_func, u))) { -#else - if (!(u->thread = pa_thread_new(thread_func, u))) { -#endif -#else - if (!(u->thread = pa_thread_new(thread_func, u))) { -#endif - pa_log("Failed to create thread."); - goto fail; - } - - pa_sink_put(u->sink); - - pa_modargs_free(ma); - - return 0; - -fail: - if (ma) { - pa_modargs_free(ma); - } - - pa__done(m); - - return -1; -} - -int pa__get_n_used(pa_module *m) { - struct userdata *u; - - pa_assert(m); - pa_assert_se(u = m->userdata); - - return pa_sink_linked_by(u->sink); -} - -void pa__done(pa_module*m) { - struct userdata *u; - - pa_assert(m); - - if (!(u = m->userdata)) { - return; - } - - if (u->sink) { - pa_sink_unlink(u->sink); - } - - if (u->thread) { - pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, - NULL, 0, NULL); - pa_thread_free(u->thread); - } - - pa_thread_mq_done(&u->thread_mq); - - if (u->sink) { - pa_sink_unref(u->sink); - } - - if (u->rtpoll) { - pa_rtpoll_free(u->rtpoll); - } - - pa_xfree(u); -} diff --git a/sesman/chansrv/pulse/module-xrdp-source-symdef.h b/sesman/chansrv/pulse/module-xrdp-source-symdef.h deleted file mode 100644 index 41e364ce..00000000 --- a/sesman/chansrv/pulse/module-xrdp-source-symdef.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef MODULE_XRDP_SOURCE_SYMDEF_H -#define MODULE_XRDP_SOURCE_SYMDEF_H - -#include -#include -#include - -#define pa__init module_xrdp_source_LTX_pa__init -#define pa__done module_xrdp_source_LTX_pa__done -#define pa__get_author module_xrdp_source_LTX_pa__get_author -#define pa__get_description module_xrdp_source_LTX_pa__get_description -#define pa__get_usage module_xrdp_source_LTX_pa__get_usage -#define pa__get_version module_xrdp_source_LTX_pa__get_version -#define pa__get_deprecated module_xrdp_source_LTX_pa__get_deprecated -#define pa__load_once module_xrdp_source_LTX_pa__load_once -#define pa__get_n_used module_xrdp_source_LTX_pa__get_n_used - -int pa__init(pa_module*m); -void pa__done(pa_module*m); -int pa__get_n_used(pa_module*m); - -const char* pa__get_author(void); -const char* pa__get_description(void); -const char* pa__get_usage(void); -const char* pa__get_version(void); -const char* pa__get_deprecated(void); -pa_bool_t pa__load_once(void); - -#endif diff --git a/sesman/chansrv/pulse/module-xrdp-source.c b/sesman/chansrv/pulse/module-xrdp-source.c deleted file mode 100644 index a7dd19c9..00000000 --- a/sesman/chansrv/pulse/module-xrdp-source.c +++ /dev/null @@ -1,547 +0,0 @@ -/*** - This file is part of PulseAudio. - - Copyright 2004-2008 Lennart Poettering - Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). - - PulseAudio is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published - by the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - PulseAudio is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with PulseAudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* defined in pulse/version.h */ -#if PA_PROTOCOL_VERSION > 28 -/* these used to be defined in pulsecore/macro.h */ -typedef bool pa_bool_t; -#define FALSE ((pa_bool_t) 0) -#define TRUE (!FALSE) -#else -#endif - -#include "module-xrdp-source-symdef.h" -#include "../../../common/xrdp_sockets.h" - -PA_MODULE_AUTHOR("Laxmikant Rashinkar"); -PA_MODULE_DESCRIPTION("xrdp source"); -PA_MODULE_VERSION(PACKAGE_VERSION); -PA_MODULE_LOAD_ONCE(FALSE); -PA_MODULE_USAGE( - "format= " - "channels= " - "rate= " - "source_name= " - "channel_map= " - "description= " - "latency_time="); - -#define DEFAULT_SOURCE_NAME "xrdp-source" -#define DEFAULT_LATENCY_TIME 10 -#define MAX_LATENCY_USEC 1000 - -struct userdata { - pa_core *core; - pa_module *module; - pa_source *source; - - pa_thread *thread; - pa_thread_mq thread_mq; - pa_rtpoll *rtpoll; - - size_t block_size; - - pa_usec_t block_usec; - pa_usec_t timestamp; - pa_usec_t latency_time; - - /* xrdp stuff */ - int fd; /* UDS connection to xrdp chansrv */ - int display_num; /* X display number */ - int want_src_data; -}; - -static const char* const valid_modargs[] = { - "rate", - "format", - "channels", - "source_name", - "channel_map", - "description", - "latency_time", - NULL -}; - -static int get_display_num_from_display(char *display_text) ; - -static int source_process_msg(pa_msgobject *o, int code, void *data, - int64_t offset, pa_memchunk *chunk) { - - struct userdata *u = PA_SOURCE(o)->userdata; - - switch (code) { - case PA_SOURCE_MESSAGE_SET_STATE: - - if (PA_PTR_TO_UINT(data) == PA_SOURCE_RUNNING) - u->timestamp = pa_rtclock_now(); - - break; - - case PA_SOURCE_MESSAGE_GET_LATENCY: { - pa_usec_t now; - - now = pa_rtclock_now(); - *((pa_usec_t*) data) = u->timestamp > now ? u->timestamp - now : 0; - - return 0; - } - } - - return pa_source_process_msg(o, code, data, offset, chunk); -} - -static void source_update_requested_latency_cb(pa_source *s) { - struct userdata *u; - - pa_source_assert_ref(s); - u = s->userdata; - pa_assert(u); - - u->block_usec = pa_source_get_requested_latency_within_thread(s); -} - -static int lsend(int fd, char *data, int bytes) { - int sent = 0; - int error; - while (sent < bytes) { - error = send(fd, data + sent, bytes - sent, 0); - if (error < 1) { - return error; - } - sent += error; - } - return sent; -} - -static int lrecv(int fd, char *data, int bytes) { - int recved = 0; - int error; - while (recved < bytes) { - error = recv(fd, data + recved, bytes - recved, 0); - if (error < 1) { - return error; - } - recved += error; - } - return recved; -} - -static int data_get(struct userdata *u, pa_memchunk *chunk) { - - int fd; - int bytes; - int read_bytes; - struct sockaddr_un s; - char *data; - char *socket_dir; - char buf[11]; - unsigned char ubuf[10]; - - if (u->fd == 0) { - /* connect to xrdp unix domain socket */ - fd = socket(PF_LOCAL, SOCK_STREAM, 0); - memset(&s, 0, sizeof(s)); - s.sun_family = AF_UNIX; - bytes = sizeof(s.sun_path) - 1; - socket_dir = getenv("XRDP_SOCKET_PATH"); - if (socket_dir == NULL || socket_dir[0] == '\0') - { - socket_dir = "/tmp/.xrdp"; - } - snprintf(s.sun_path, bytes, "%s/" CHANSRV_PORT_IN_BASE_STR, - socket_dir, u->display_num); - pa_log_debug("Trying to connect to %s", s.sun_path); - - if (connect(fd, (struct sockaddr *) &s, sizeof(struct sockaddr_un)) != 0) { - pa_log_debug("Connect failed"); - close(fd); - return -1; - } - - pa_log("Connected ok, fd=%d", fd); - pa_log_debug("###### connected to xrdp audio_in socket"); - u->fd = fd; - } - - data = (char *) pa_memblock_acquire(chunk->memblock); - - if (!u->want_src_data) { - char buf[12]; - - buf[0] = 0; - buf[1] = 0; - buf[2] = 0; - buf[3] = 0; - buf[4] = 11; - buf[5] = 0; - buf[6] = 0; - buf[7] = 0; - buf[8] = 1; - buf[9] = 0; - buf[10] = 0; - - if (lsend(u->fd, buf, 11) != 11) { - close(u->fd); - u->fd = 0; - pa_memblock_release(chunk->memblock); - return -1; - } - u->want_src_data = 1; - pa_log_debug("###### started recording"); - } - - /* ask for more data */ - buf[0] = 0; - buf[1] = 0; - buf[2] = 0; - buf[3] = 0; - buf[4] = 11; - buf[5] = 0; - buf[6] = 0; - buf[7] = 0; - buf[8] = 3; - buf[9] = (unsigned char) chunk->length; - buf[10] = (unsigned char) ((chunk->length >> 8) & 0xff); - - if (lsend(u->fd, buf, 11) != 11) { - close(u->fd); - u->fd = 0; - pa_memblock_release(chunk->memblock); - u->want_src_data = 0; - return -1; - } - - /* read length of data available */ - if (lrecv(u->fd, (char *) ubuf, 2) != 2) { - close(u->fd); - u->fd = 0; - pa_memblock_release(chunk->memblock); - u->want_src_data = 0; - return -1; - } - bytes = ((ubuf[1] << 8) & 0xff00) | (ubuf[0] & 0xff); - - if (bytes == 0) { - pa_memblock_release(chunk->memblock); - return 0; - } - - /* get data */ - read_bytes = lrecv(u->fd, data, bytes); - if (read_bytes != bytes) { - close(u->fd); - u->fd = 0; - pa_memblock_release(chunk->memblock); - u->want_src_data = 0; - return -1; - } - pa_memblock_release(chunk->memblock); - - return read_bytes; -} - -static void thread_func(void *userdata) { - struct userdata *u = userdata; - int bytes; - - pa_assert(u); - pa_thread_mq_install(&u->thread_mq); - u->timestamp = pa_rtclock_now(); - - for (;;) { - int ret; - - /* Generate some null data */ - if (u->source->thread_info.state == PA_SOURCE_RUNNING) { - pa_usec_t now; - pa_memchunk chunk; - - now = pa_rtclock_now(); - - if ((chunk.length = pa_usec_to_bytes(now - u->timestamp, &u->source->sample_spec)) > 0) { - chunk.length *= 4; - chunk.memblock = pa_memblock_new(u->core->mempool, chunk.length); - chunk.index = 0; - bytes = data_get(u, &chunk); - if (bytes > 0) - { - chunk.length = bytes; - pa_source_post(u->source, &chunk); - } - pa_memblock_unref(chunk.memblock); - u->timestamp = now; - } - - pa_rtpoll_set_timer_absolute(u->rtpoll, u->timestamp + u->latency_time * PA_USEC_PER_MSEC); - } else { - if (u->want_src_data) - { - /* we don't want source data anymore */ - char buf[12]; - - buf[0] = 0; - buf[1] = 0; - buf[2] = 0; - buf[3] = 0; - buf[4] = 11; - buf[5] = 0; - buf[6] = 0; - buf[7] = 0; - buf[8] = 2; - buf[9] = 0; - buf[10] = 0; - - if (lsend(u->fd, buf, 11) != 11) { - close(u->fd); - u->fd = 0; - } - u->want_src_data = 0; - pa_log_debug("###### stopped recording"); - } - pa_rtpoll_set_timer_disabled(u->rtpoll); - } - - /* Hmm, nothing to do. Let's sleep */ -#if defined(PA_CHECK_VERSION) && PA_CHECK_VERSION(6, 0, 0) - if ((ret = pa_rtpoll_run(u->rtpoll)) < 0) { -#else - if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0) { -#endif - goto fail; - } - - if (ret == 0) - goto finish; - } - -fail: - /* If this was no regular exit from the loop we have to continue - * processing messages until we received PA_MESSAGE_SHUTDOWN */ - pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL); - pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN); - -finish: - pa_log_debug("###### thread shutting down"); -} - -int pa__init(pa_module *m) { - struct userdata *u = NULL; - pa_sample_spec ss; - pa_channel_map map; - pa_modargs *ma = NULL; - pa_source_new_data data; - uint32_t latency_time = DEFAULT_LATENCY_TIME; - - pa_assert(m); - - if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { - pa_log("Failed to parse module arguments."); - goto fail; - } - -#if 1 - ss = m->core->default_sample_spec; -#else - ss.format = PA_SAMPLE_S16LE; - ss.rate = 22050; - ss.channels = 2; -#endif - - map = m->core->default_channel_map; - if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) { - pa_log("Invalid sample format specification or channel map"); - goto fail; - } - - m->userdata = u = pa_xnew0(struct userdata, 1); - u->core = m->core; - u->module = m; - u->rtpoll = pa_rtpoll_new(); - pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll); - - pa_source_new_data_init(&data); - data.driver = __FILE__; - data.module = m; - pa_source_new_data_set_name(&data, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME)); - pa_source_new_data_set_sample_spec(&data, &ss); - pa_source_new_data_set_channel_map(&data, &map); - pa_proplist_sets(data.proplist, PA_PROP_DEVICE_DESCRIPTION, pa_modargs_get_value(ma, "description", "xrdp source")); - pa_proplist_sets(data.proplist, PA_PROP_DEVICE_CLASS, "abstract"); - - u->source = pa_source_new(m->core, &data, PA_SOURCE_LATENCY | PA_SOURCE_DYNAMIC_LATENCY); - pa_source_new_data_done(&data); - - if (!u->source) { - pa_log("Failed to create source object."); - goto fail; - } - - u->latency_time = DEFAULT_LATENCY_TIME; - if (pa_modargs_get_value_u32(ma, "latency_time", &latency_time) < 0) { - pa_log("Failed to parse latency_time value."); - goto fail; - } - u->latency_time = latency_time; - - u->source->parent.process_msg = source_process_msg; - u->source->update_requested_latency = source_update_requested_latency_cb; - u->source->userdata = u; - - pa_source_set_asyncmsgq(u->source, u->thread_mq.inq); - pa_source_set_rtpoll(u->source, u->rtpoll); - - pa_source_set_latency_range(u->source, 0, MAX_LATENCY_USEC); - u->block_usec = u->source->thread_info.max_latency; - - u->source->thread_info.max_rewind = - pa_usec_to_bytes(u->block_usec, &u->source->sample_spec); - - #if defined(PA_CHECK_VERSION) - #if PA_CHECK_VERSION(0, 9, 22) - if (!(u->thread = pa_thread_new("xrdp-source", thread_func, u))) { - #else - if (!(u->thread = pa_thread_new(thread_func, u))) { - #endif - #else - if (!(u->thread = pa_thread_new(thread_func, u))) - #endif - pa_log("Failed to create thread."); - goto fail; - } - - pa_source_put(u->source); - - pa_modargs_free(ma); - - u->display_num = get_display_num_from_display(getenv("DISPLAY")); - - return 0; - -fail: - if (ma) - pa_modargs_free(ma); - - pa__done(m); - - return -1; -} - -void pa__done(pa_module*m) { - struct userdata *u; - - pa_assert(m); - - if (!(u = m->userdata)) - return; - - if (u->source) - pa_source_unlink(u->source); - - if (u->thread) { - pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL); - pa_thread_free(u->thread); - } - - pa_thread_mq_done(&u->thread_mq); - - if (u->source) - pa_source_unref(u->source); - - if (u->rtpoll) - pa_rtpoll_free(u->rtpoll); - - pa_xfree(u); -} - -static int get_display_num_from_display(char *display_text) { - int index; - int mode; - int host_index; - int disp_index; - int scre_index; - int display_num; - char host[256]; - char disp[256]; - char scre[256]; - - if (display_text == NULL) { - return 0; - } - memset(host, 0, 256); - memset(disp, 0, 256); - memset(scre, 0, 256); - - index = 0; - host_index = 0; - disp_index = 0; - scre_index = 0; - mode = 0; - - while (display_text[index] != 0) { - if (display_text[index] == ':') { - mode = 1; - } else if (display_text[index] == '.') { - mode = 2; - } else if (mode == 0) { - host[host_index] = display_text[index]; - host_index++; - } else if (mode == 1) { - disp[disp_index] = display_text[index]; - disp_index++; - } else if (mode == 2) { - scre[scre_index] = display_text[index]; - scre_index++; - } - index++; - } - - host[host_index] = 0; - disp[disp_index] = 0; - scre[scre_index] = 0; - display_num = atoi(disp); - return display_num; -}