Jay Sorg
11 years ago
commit
44642a01d9
@ -1,18 +1,17 @@
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#
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# build xrdp pulseaudio modules
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#
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PULSE_DIR = /home/lk/pulseaudio-1.1
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CFLAGS = -Wall -O2 -I$(PULSE_DIR) -I$(PULSE_DIR)/src -DHAVE_CONFIG_H -fPIC
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#PULSE_DIR=/home/jay/temp/pulseaudio-0.9.21
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#PULSE_DIR=/home/jay/pulseaudio-0.9.22
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#PULSE_DIR=/home/jay/pulseaudio-0.9.21
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PULSE_DIR=/home/jay/pulseaudio-2.0
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all: module-xrdp-sink.so module-xrdp-source.so
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OBJS = module-xrdp-sink.o
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module-xrdp-sink.so: module-xrdp-sink.o
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$(CC) $(LDFLAGS) -shared -o module-xrdp-sink.so module-xrdp-sink.o
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CFLAGS = -Wall -O2 -I$(PULSE_DIR) -I$(PULSE_DIR)/src -DHAVE_CONFIG_H -fPIC
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all: module-xrdp-sink.so
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module-xrdp-sink.so: $(OBJS)
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$(CC) $(LDFLAGS) -shared -o module-xrdp-sink.so $(OBJS)
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module-xrdp-source.so: module-xrdp-source.o
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$(CC) $(LDFLAGS) -shared -o module-xrdp-source.so module-xrdp-source.o
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clean:
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rm -f $(OBJS) module-xrdp-sink.so
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rm -f module-xrdp-sink.o module-xrdp-sink.so module-xrdp-source.o module-xrdp-source.so
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@ -0,0 +1,29 @@
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#ifndef foomodulenullsourcesymdeffoo
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#define foomodulenullsourcesymdeffoo
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#include <pulsecore/core.h>
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#include <pulsecore/module.h>
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#include <pulsecore/macro.h>
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#define pa__init module_xrdp_source_LTX_pa__init
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#define pa__done module_xrdp_source_LTX_pa__done
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#define pa__get_author module_xrdp_source_LTX_pa__get_author
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#define pa__get_description module_xrdp_source_LTX_pa__get_description
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#define pa__get_usage module_xrdp_source_LTX_pa__get_usage
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#define pa__get_version module_xrdp_source_LTX_pa__get_version
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#define pa__get_deprecated module_xrdp_source_LTX_pa__get_deprecated
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#define pa__load_once module_xrdp_source_LTX_pa__load_once
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#define pa__get_n_used module_xrdp_source_LTX_pa__get_n_used
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int pa__init(pa_module*m);
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void pa__done(pa_module*m);
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int pa__get_n_used(pa_module*m);
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const char* pa__get_author(void);
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const char* pa__get_description(void);
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const char* pa__get_usage(void);
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const char* pa__get_version(void);
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const char* pa__get_deprecated(void);
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pa_bool_t pa__load_once(void);
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#endif
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@ -0,0 +1,460 @@
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/***
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This file is part of PulseAudio.
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Copyright 2004-2008 Lennart Poettering
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Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <pulse/rtclock.h>
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#include <pulse/timeval.h>
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#include <pulse/xmalloc.h>
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#include <pulsecore/core-util.h>
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#include <pulsecore/log.h>
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#include <pulsecore/macro.h>
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#include <pulsecore/modargs.h>
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#include <pulsecore/module.h>
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#include <pulsecore/rtpoll.h>
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#include <pulsecore/source.h>
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#include <pulsecore/thread-mq.h>
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#include <pulsecore/thread.h>
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#include "module-xrdp-source-symdef.h"
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PA_MODULE_AUTHOR("Laxmikant Rashinkar");
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PA_MODULE_DESCRIPTION("xrdp source");
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PA_MODULE_VERSION(PACKAGE_VERSION);
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PA_MODULE_LOAD_ONCE(FALSE);
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PA_MODULE_USAGE(
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"format=<sample format> "
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"channels=<number of channels> "
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"rate=<sample rate> "
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"source_name=<name of source> "
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"channel_map=<channel map> "
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"description=<description for the source> "
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"latency_time=<latency time in ms>");
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#define DEFAULT_SOURCE_NAME "xrdp-source"
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#define DEFAULT_LATENCY_TIME 10
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#define MAX_LATENCY_USEC (PA_USEC_PER_SEC * 2)
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#define CHANSRV_PORT_STR "/tmp/.xrdp/xrdp_chansrv_audio_in_socket_%d"
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struct userdata {
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pa_core *core;
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pa_module *module;
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pa_source *source;
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pa_thread *thread;
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pa_thread_mq thread_mq;
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pa_rtpoll *rtpoll;
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size_t block_size;
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pa_usec_t block_usec;
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pa_usec_t timestamp;
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pa_usec_t latency_time;
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/* xrdp stuff */
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int fd; /* UDS connection to xrdp chansrv */
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int display_num; /* X display number */
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int want_src_data;
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};
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static const char* const valid_modargs[] = {
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"rate",
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"format",
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"channels",
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"source_name",
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"channel_map",
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"description",
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"latency_time",
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NULL
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};
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static int get_display_num_from_display(char *display_text) ;
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static int source_process_msg(pa_msgobject *o, int code, void *data,
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int64_t offset, pa_memchunk *chunk) {
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struct userdata *u = PA_SOURCE(o)->userdata;
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switch (code) {
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case PA_SOURCE_MESSAGE_SET_STATE:
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if (PA_PTR_TO_UINT(data) == PA_SOURCE_RUNNING)
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u->timestamp = pa_rtclock_now();
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break;
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case PA_SOURCE_MESSAGE_GET_LATENCY: {
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pa_usec_t now;
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now = pa_rtclock_now();
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*((pa_usec_t*) data) = u->timestamp > now ? u->timestamp - now : 0;
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return 0;
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}
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}
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return pa_source_process_msg(o, code, data, offset, chunk);
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}
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static void source_update_requested_latency_cb(pa_source *s) {
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struct userdata *u;
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pa_source_assert_ref(s);
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u = s->userdata;
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pa_assert(u);
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u->block_usec = pa_source_get_requested_latency_within_thread(s);
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}
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static int data_get(struct userdata *u, pa_memchunk *chunk) {
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int fd;
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int bytes;
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struct sockaddr_un s;
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char *data;
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char buf[11];
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unsigned char ubuf[10];
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if (u->fd == 0) {
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/* connect to xrdp unix domain socket */
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fd = socket(PF_LOCAL, SOCK_STREAM, 0);
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memset(&s, 0, sizeof(s));
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s.sun_family = AF_UNIX;
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bytes = sizeof(s.sun_path) - 1;
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snprintf(s.sun_path, bytes, CHANSRV_PORT_STR, u->display_num);
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pa_log_debug("Trying to connect to %s", s.sun_path);
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if (connect(fd, (struct sockaddr *) &s, sizeof(struct sockaddr_un)) != 0) {
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pa_log_debug("Connect failed");
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close(fd);
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return -1;
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}
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pa_log("Connected ok, fd=%d", fd);
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pa_log_debug("###### connected to xrdp audio_in socket");
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u->fd = fd;
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}
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data = (char *) pa_memblock_acquire(chunk->memblock);
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if (!u->want_src_data) {
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char buf[12];
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buf[0] = 0;
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buf[1] = 0;
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buf[2] = 0;
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buf[3] = 0;
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buf[4] = 11;
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buf[5] = 0;
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buf[6] = 0;
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buf[7] = 0;
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buf[8] = 1;
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buf[9] = 0;
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buf[10] = 0;
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send(u->fd, buf, 11, 0);
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u->want_src_data = 1;
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pa_log_debug("###### started recording");
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}
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/* ask for more data */
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buf[0] = 0;
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buf[1] = 0;
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buf[2] = 0;
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buf[3] = 0;
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buf[4] = 11;
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buf[5] = 0;
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buf[6] = 0;
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buf[7] = 0;
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buf[8] = 3;
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buf[9] = (unsigned char) chunk->length;
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buf[10] = (unsigned char) ((chunk->length >> 8) & 0xff);
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send(u->fd, buf, 11, 0);
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/* read length of data available */
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recv(u->fd, ubuf, 2, 0);
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bytes = ((ubuf[1] << 8) & 0xff00) | (ubuf[0] & 0xff);
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if (bytes == 0) {
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pa_memblock_release(chunk->memblock);
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return 0;
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}
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/* get data */
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bytes = recv(u->fd, data, bytes, 0);
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pa_memblock_release(chunk->memblock);
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return bytes;
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}
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static void thread_func(void *userdata) {
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struct userdata *u = userdata;
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pa_assert(u);
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pa_thread_mq_install(&u->thread_mq);
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u->timestamp = pa_rtclock_now();
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for (;;) {
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int ret;
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/* Generate some null data */
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if (u->source->thread_info.state == PA_SOURCE_RUNNING) {
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pa_usec_t now;
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pa_memchunk chunk;
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now = pa_rtclock_now();
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if ((chunk.length = pa_usec_to_bytes(now - u->timestamp, &u->source->sample_spec)) > 0) {
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chunk.memblock = pa_memblock_new(u->core->mempool, (size_t) -1); /* or chunk.length? */
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chunk.index = 0;
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data_get(u, &chunk);
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pa_source_post(u->source, &chunk);
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pa_memblock_unref(chunk.memblock);
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u->timestamp = now;
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}
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pa_rtpoll_set_timer_absolute(u->rtpoll, u->timestamp + u->latency_time * PA_USEC_PER_MSEC);
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} else {
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if (u->want_src_data)
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{
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/* we dont want source data anymore */
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char buf[12];
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buf[0] = 0;
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buf[1] = 0;
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buf[2] = 0;
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buf[3] = 0;
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buf[4] = 11;
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buf[5] = 0;
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buf[6] = 0;
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buf[7] = 0;
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buf[8] = 2;
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buf[9] = 0;
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buf[10] = 0;
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send(u->fd, buf, 11, 0);
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u->want_src_data = 0;
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pa_log_debug("###### stopped recording");
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||||
}
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pa_rtpoll_set_timer_disabled(u->rtpoll);
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||||
}
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||||
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||||
/* Hmm, nothing to do. Let's sleep */
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if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0)
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goto fail;
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||||
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||||
if (ret == 0)
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||||
goto finish;
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||||
}
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||||
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||||
fail:
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||||
/* If this was no regular exit from the loop we have to continue
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||||
* processing messages until we received PA_MESSAGE_SHUTDOWN */
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||||
pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
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||||
pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
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||||
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||||
finish:
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||||
pa_log_debug("###### thread shutting down");
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||||
}
|
||||
|
||||
int pa__init(pa_module *m) {
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||||
struct userdata *u = NULL;
|
||||
pa_sample_spec ss;
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||||
pa_channel_map map;
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||||
pa_modargs *ma = NULL;
|
||||
pa_source_new_data data;
|
||||
uint32_t latency_time = DEFAULT_LATENCY_TIME;
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||||
|
||||
pa_assert(m);
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||||
|
||||
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
|
||||
pa_log("Failed to parse module arguments.");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
#if 0
|
||||
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", "Null Input"));
|
||||
pa_proplist_sets(data.proplist, PA_PROP_DEVICE_DESCRIPTION, pa_modargs_get_value(ma, "description", "xrdp Input"));
|
||||
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 (!(u->thread = pa_thread_new("null-source", thread_func, u))) {
|
||||
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;
|
||||
}
|
||||
@ -1,34 +1,69 @@
|
||||
|
||||
this is /etc/apt/sources.list
|
||||
I added the deb-src line
|
||||
--------------------------------------
|
||||
Building pulseaudio modules for xrdp
|
||||
--------------------------------------
|
||||
|
||||
----------------------
|
||||
deb http://packages.linuxmint.com/ maya main upstream import
|
||||
deb http://archive.ubuntu.com/ubuntu/ precise main restricted universe multiverse
|
||||
deb http://archive.ubuntu.com/ubuntu/ precise-updates main restricted universe multiverse
|
||||
deb-src http://archive.ubuntu.com/ubuntu/ precise-updates main restricted universe multiverse
|
||||
deb http://security.ubuntu.com/ubuntu/ precise-security main restricted universe multiverse
|
||||
deb http://archive.canonical.com/ubuntu/ precise partner
|
||||
deb http://packages.medibuntu.org/ precise free non-free
|
||||
o append the following line to /etc/apt/sources.list
|
||||
|
||||
#deb http://archive.getdeb.net/ubuntu precise-getdeb apps
|
||||
#deb http://archive.getdeb.net/ubuntu precise-getdeb games
|
||||
deb http://drbl.sourceforge.net/drbl-core drbl stable
|
||||
----------------------
|
||||
deb-src http://archive.ubuntu.com/ubuntu/ precise-updates main restricted universe multiverse
|
||||
|
||||
do all this in a new directory
|
||||
this is what my /etc/apt/sources.list looks like
|
||||
|
||||
root
|
||||
sudo apt-get install dpkg-dev
|
||||
deb http://packages.linuxmint.com/ maya main upstream import
|
||||
deb http://archive.ubuntu.com/ubuntu/ precise main restricted universe multiverse
|
||||
deb http://archive.ubuntu.com/ubuntu/ precise-updates main restricted universe multiverse
|
||||
deb http://security.ubuntu.com/ubuntu/ precise-security main restricted universe multiverse
|
||||
deb http://archive.canonical.com/ubuntu/ precise partner
|
||||
deb http://packages.medibuntu.org/ precise free non-free
|
||||
|
||||
non root
|
||||
apt-get source pulseaudio
|
||||
#deb http://archive.getdeb.net/ubuntu precise-getdeb apps
|
||||
#deb http://archive.getdeb.net/ubuntu precise-getdeb games
|
||||
deb http://drbl.sourceforge.net/drbl-core drbl stable
|
||||
deb-src http://archive.ubuntu.com/ubuntu/ precise-updates main restricted universe multiverse
|
||||
|
||||
NOTE: If you get an error message that goes something like this:
|
||||
|
||||
root
|
||||
sudo apt-get build-dep pulseaudio
|
||||
E: You must put some 'source' URIs in your sources.list
|
||||
|
||||
cd pulseaudio-1.1
|
||||
try running the following command first:
|
||||
|
||||
non root
|
||||
dpkg-buildpackage -rfakeroot -uc -b
|
||||
apt-get source pulseaudio
|
||||
|
||||
o run these commands in your home directory
|
||||
|
||||
cd
|
||||
sudo apt-get install dpkg-dev
|
||||
apt-get source pulseaudio
|
||||
sudo apt-get build-dep pulseaudio
|
||||
|
||||
cd pulseaudio-1.1
|
||||
dpkg-buildpackage -rfakeroot -uc -b
|
||||
|
||||
o edit Makefile and point PULSE_DIR to ~/pulseaudio<version> dir
|
||||
|
||||
o run make; the outputs will be
|
||||
module-xrdp-sink.so
|
||||
module-xrdp-source.so
|
||||
|
||||
o sudo cp module-xrdp-sink.so /usr/lib/pulse-<version>/modules
|
||||
sudo cp module-xrdp-source.so /usr/lib/pulse-<version>/modules
|
||||
note: on a 64bit machine use lib64 instead of lib
|
||||
|
||||
--------------------------------------
|
||||
To test sound/microphone redirection
|
||||
--------------------------------------
|
||||
|
||||
o install gnome sound recorder or your favorite sound recorder
|
||||
|
||||
o mplayer -ao pulse <audio file>
|
||||
|
||||
o sudo apt-get install pavucontrol
|
||||
|
||||
o in another window run pavucontrol and you should see xrdp-sink in use
|
||||
|
||||
o to enable pulseaudio log
|
||||
o edit /etc/pulse/daemon.conf and set
|
||||
log-target = syslog
|
||||
log-level = notice
|
||||
o pulseaudio --kill
|
||||
o log output will be in /var/log/syslog or /var/log/messages
|
||||
|
||||
File diff suppressed because it is too large
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Reference in new issue