diff options
| -rw-r--r-- | sesman/chansrv/Makefile.am | 1 | ||||
| -rw-r--r-- | sesman/chansrv/pulse/.gitignore | 1 | ||||
| -rw-r--r-- | sesman/chansrv/pulse/Makefile | 18 | ||||
| -rw-r--r-- | sesman/chansrv/pulse/README.md | 117 | ||||
| -rw-r--r-- | sesman/chansrv/pulse/module-xrdp-sink-symdef.h | 29 | ||||
| -rw-r--r-- | sesman/chansrv/pulse/module-xrdp-sink.c | 613 | ||||
| -rw-r--r-- | sesman/chansrv/pulse/module-xrdp-source-symdef.h | 29 | ||||
| -rw-r--r-- | sesman/chansrv/pulse/module-xrdp-source.c | 547 | 
8 files changed, 0 insertions, 1355 deletions
| 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 <pulsecore/core.h> -#include <pulsecore/module.h> -#include <pulsecore/macro.h> - -#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 <config.h> -#endif - -#include <unistd.h> -#include <errno.h> -#include <netinet/in.h> -#include <netinet/tcp.h> -#include <sys/socket.h> -#include <sys/un.h> -#include <sys/types.h> - -#include <stdlib.h> -#include <sys/stat.h> -#include <stdio.h> -#include <errno.h> -#include <string.h> -#include <fcntl.h> -#include <unistd.h> -#include <limits.h> -#include <sys/ioctl.h> -#include <poll.h> - -#include <pulse/rtclock.h> -#include <pulse/timeval.h> -#include <pulse/xmalloc.h> - -#include <pulsecore/core-error.h> -#include <pulsecore/sink.h> -#include <pulsecore/module.h> -#include <pulsecore/core-util.h> -#include <pulsecore/modargs.h> -#include <pulsecore/log.h> -#include <pulsecore/thread.h> -#include <pulsecore/thread-mq.h> -#include <pulsecore/rtpoll.h> - -/* 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=<name for the sink> " -        "sink_properties=<properties for the sink> " -        "format=<sample format> " -        "rate=<sample rate> " -        "channels=<number of channels> " -        "channel_map=<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 <pulsecore/core.h> -#include <pulsecore/module.h> -#include <pulsecore/macro.h> - -#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 <config.h> -#endif - -#include <stdlib.h> -#include <stdio.h> -#include <errno.h> -#include <unistd.h> -#include <sys/socket.h> -#include <sys/un.h> - -#include <pulse/rtclock.h> -#include <pulse/timeval.h> -#include <pulse/xmalloc.h> - -#include <pulsecore/core-util.h> -#include <pulsecore/log.h> -#include <pulsecore/macro.h> -#include <pulsecore/modargs.h> -#include <pulsecore/module.h> -#include <pulsecore/rtpoll.h> -#include <pulsecore/source.h> -#include <pulsecore/thread-mq.h> -#include <pulsecore/thread.h> - -/* 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=<sample format> " -        "channels=<number of channels> " -        "rate=<sample rate> " -        "source_name=<name of source> " -        "channel_map=<channel map> " -        "description=<description for the source> " -        "latency_time=<latency time in ms>"); - -#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; -} | 
