int cmtspeech_create_source_output(struct userdata *u) { pa_source_output_new_data data; char t[256]; pa_assert(u); pa_assert(!u->source); ENTER(); if (u->source_output) { pa_log_info("Create called but output already exists"); return 1; } if (!(u->source = pa_namereg_get(u->core, u->source_name, PA_NAMEREG_SOURCE))) { pa_log_error("Couldn't find source %s", u->source_name); return 2; } if (cmtspeech_check_source_api(u->source)) return 3; pa_source_output_new_data_init(&data); data.driver = __FILE__; data.module = u->module; data.source = u->source; snprintf(t, sizeof(t), "Cellular call up link"); pa_proplist_sets(data.proplist, PA_PROP_MEDIA_NAME, t); snprintf(t, sizeof(t), "phone"); pa_proplist_sets(data.proplist, PA_PROP_MEDIA_ROLE, t); snprintf(t, sizeof(t), "cmtspeech module"); pa_proplist_sets(data.proplist, PA_PROP_APPLICATION_NAME, t); pa_source_output_new_data_set_sample_spec(&data, &u->ss); pa_source_output_new_data_set_channel_map(&data, &u->map); data.flags = PA_SOURCE_OUTPUT_DONT_MOVE|PA_SOURCE_OUTPUT_START_CORKED; pa_source_output_new(&u->source_output, u->core, &data); pa_source_output_new_data_done(&data); if (!u->source_output) { pa_log("Creating cmtspeech source output failed"); return -1; } u->source_output->push = cmtspeech_source_output_push_cb; u->source_output->kill = cmtspeech_source_output_kill_cb; u->source_output->attach = cmtspeech_source_output_attach_cb; u->source_output->detach = cmtspeech_source_output_detach_cb; u->source_output->moving = cmtspeech_source_output_moving_cb; u->source_output->state_change = cmtspeech_source_output_state_change_cb; u->source_output->may_move_to = cmtspeech_source_output_may_move_to_cb; u->source_output->userdata = u; pa_source_output_put(u->source_output); pa_log_info("cmtspeech source-output created"); return 0; }
int pa__init(pa_module *m) { pa_modargs *ma = NULL; struct userdata *u; pa_sink *sink = NULL; pa_sink_input_new_data sink_input_data; pa_bool_t sink_dont_move; pa_source *source = NULL; pa_source_output_new_data source_output_data; pa_bool_t source_dont_move; uint32_t latency_msec; pa_sample_spec ss; pa_channel_map map; bool format_set = false; bool rate_set = false; bool channels_set = false; pa_memchunk silence; uint32_t adjust_time_sec; const char *n; pa_bool_t remix = TRUE; pa_assert(m); if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { pa_log("Failed to parse module arguments"); goto fail; } n = pa_modargs_get_value(ma, "source", NULL); if (n && !(source = pa_namereg_get(m->core, n, PA_NAMEREG_SOURCE))) { pa_log("No such source."); goto fail; } n = pa_modargs_get_value(ma, "sink", NULL); if (n && !(sink = pa_namereg_get(m->core, n, PA_NAMEREG_SINK))) { pa_log("No such sink."); goto fail; } if (pa_modargs_get_value_boolean(ma, "remix", &remix) < 0) { pa_log("Invalid boolean remix parameter"); goto fail; } if (sink) { ss = sink->sample_spec; map = sink->channel_map; format_set = true; rate_set = true; channels_set = true; } else if (source) { ss = source->sample_spec; map = source->channel_map; format_set = true; rate_set = true; channels_set = true; } else { /* FIXME: Dummy stream format, needed because pa_sink_input_new() * requires valid sample spec and channel map even when all the FIX_* * stream flags are specified. pa_sink_input_new() should be changed * to ignore the sample spec and channel map when the FIX_* flags are * present. */ ss.format = PA_SAMPLE_U8; ss.rate = 8000; ss.channels = 1; map.channels = 1; map.map[0] = PA_CHANNEL_POSITION_MONO; } 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; } if (pa_modargs_get_value(ma, "format", NULL)) format_set = true; if (pa_modargs_get_value(ma, "rate", NULL)) rate_set = true; if (pa_modargs_get_value(ma, "channels", NULL) || pa_modargs_get_value(ma, "channel_map", NULL)) channels_set = true; latency_msec = DEFAULT_LATENCY_MSEC; if (pa_modargs_get_value_u32(ma, "latency_msec", &latency_msec) < 0 || latency_msec < 1 || latency_msec > 2000) { pa_log("Invalid latency specification"); goto fail; } m->userdata = u = pa_xnew0(struct userdata, 1); u->core = m->core; u->module = m; u->latency = (pa_usec_t) latency_msec * PA_USEC_PER_MSEC; adjust_time_sec = DEFAULT_ADJUST_TIME_USEC / PA_USEC_PER_SEC; if (pa_modargs_get_value_u32(ma, "adjust_time", &adjust_time_sec) < 0) { pa_log("Failed to parse adjust_time value"); goto fail; } if (adjust_time_sec != DEFAULT_ADJUST_TIME_USEC / PA_USEC_PER_SEC) u->adjust_time = adjust_time_sec * PA_USEC_PER_SEC; else u->adjust_time = DEFAULT_ADJUST_TIME_USEC; pa_sink_input_new_data_init(&sink_input_data); sink_input_data.driver = __FILE__; sink_input_data.module = m; if (sink) pa_sink_input_new_data_set_sink(&sink_input_data, sink, FALSE); if (pa_modargs_get_proplist(ma, "sink_input_properties", sink_input_data.proplist, PA_UPDATE_REPLACE) < 0) { pa_log("Failed to parse the sink_input_properties value."); pa_sink_input_new_data_done(&sink_input_data); goto fail; } if (!pa_proplist_contains(sink_input_data.proplist, PA_PROP_MEDIA_ROLE)) pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, "abstract"); pa_sink_input_new_data_set_sample_spec(&sink_input_data, &ss); pa_sink_input_new_data_set_channel_map(&sink_input_data, &map); sink_input_data.flags = PA_SINK_INPUT_VARIABLE_RATE | PA_SINK_INPUT_START_CORKED; if (!remix) sink_input_data.flags |= PA_SINK_INPUT_NO_REMIX; if (!format_set) sink_input_data.flags |= PA_SINK_INPUT_FIX_FORMAT; if (!rate_set) sink_input_data.flags |= PA_SINK_INPUT_FIX_RATE; if (!channels_set) sink_input_data.flags |= PA_SINK_INPUT_FIX_CHANNELS; sink_dont_move = FALSE; if (pa_modargs_get_value_boolean(ma, "sink_dont_move", &sink_dont_move) < 0) { pa_log("sink_dont_move= expects a boolean argument."); goto fail; } if (sink_dont_move) sink_input_data.flags |= PA_SINK_INPUT_DONT_MOVE; pa_sink_input_new(&u->sink_input, m->core, &sink_input_data); pa_sink_input_new_data_done(&sink_input_data); if (!u->sink_input) goto fail; /* If format, rate or channels were originally unset, they are set now * after the pa_sink_input_new() call. */ ss = u->sink_input->sample_spec; map = u->sink_input->channel_map; u->sink_input->parent.process_msg = sink_input_process_msg_cb; u->sink_input->pop = sink_input_pop_cb; u->sink_input->process_rewind = sink_input_process_rewind_cb; u->sink_input->kill = sink_input_kill_cb; u->sink_input->state_change = sink_input_state_change_cb; u->sink_input->attach = sink_input_attach_cb; u->sink_input->detach = sink_input_detach_cb; u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb; u->sink_input->update_max_request = sink_input_update_max_request_cb; u->sink_input->may_move_to = sink_input_may_move_to_cb; u->sink_input->moving = sink_input_moving_cb; u->sink_input->suspend = sink_input_suspend_cb; u->sink_input->userdata = u; pa_sink_input_set_requested_latency(u->sink_input, u->latency/3); pa_source_output_new_data_init(&source_output_data); source_output_data.driver = __FILE__; source_output_data.module = m; if (source) pa_source_output_new_data_set_source(&source_output_data, source, FALSE); if (pa_modargs_get_proplist(ma, "source_output_properties", source_output_data.proplist, PA_UPDATE_REPLACE) < 0) { pa_log("Failed to parse the source_output_properties value."); pa_source_output_new_data_done(&source_output_data); goto fail; } if (!pa_proplist_contains(source_output_data.proplist, PA_PROP_MEDIA_ROLE)) pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_ROLE, "abstract"); pa_source_output_new_data_set_sample_spec(&source_output_data, &ss); pa_source_output_new_data_set_channel_map(&source_output_data, &map); source_output_data.flags = PA_SOURCE_OUTPUT_START_CORKED; if (!remix) source_output_data.flags |= PA_SOURCE_OUTPUT_NO_REMIX; source_dont_move = FALSE; if (pa_modargs_get_value_boolean(ma, "source_dont_move", &source_dont_move) < 0) { pa_log("source_dont_move= expects a boolean argument."); goto fail; } if (source_dont_move) source_output_data.flags |= PA_SOURCE_OUTPUT_DONT_MOVE; pa_source_output_new(&u->source_output, m->core, &source_output_data); pa_source_output_new_data_done(&source_output_data); if (!u->source_output) goto fail; u->source_output->parent.process_msg = source_output_process_msg_cb; u->source_output->push = source_output_push_cb; u->source_output->process_rewind = source_output_process_rewind_cb; u->source_output->kill = source_output_kill_cb; u->source_output->attach = source_output_attach_cb; u->source_output->detach = source_output_detach_cb; u->source_output->state_change = source_output_state_change_cb; u->source_output->may_move_to = source_output_may_move_to_cb; u->source_output->moving = source_output_moving_cb; u->source_output->suspend = source_output_suspend_cb; u->source_output->userdata = u; pa_source_output_set_requested_latency(u->source_output, u->latency/3); pa_sink_input_get_silence(u->sink_input, &silence); u->memblockq = pa_memblockq_new( "module-loopback memblockq", 0, /* idx */ MEMBLOCKQ_MAXLENGTH, /* maxlength */ MEMBLOCKQ_MAXLENGTH, /* tlength */ &ss, /* sample_spec */ 0, /* prebuf */ 0, /* minreq */ 0, /* maxrewind */ &silence); /* silence frame */ pa_memblock_unref(silence.memblock); u->asyncmsgq = pa_asyncmsgq_new(0); if (!pa_proplist_contains(u->source_output->proplist, PA_PROP_MEDIA_NAME)) pa_proplist_setf(u->source_output->proplist, PA_PROP_MEDIA_NAME, "Loopback to %s", pa_strnull(pa_proplist_gets(u->sink_input->sink->proplist, PA_PROP_DEVICE_DESCRIPTION))); if (!pa_proplist_contains(u->source_output->proplist, PA_PROP_MEDIA_ICON_NAME) && (n = pa_proplist_gets(u->sink_input->sink->proplist, PA_PROP_DEVICE_ICON_NAME))) pa_proplist_sets(u->source_output->proplist, PA_PROP_MEDIA_ICON_NAME, n); if (!pa_proplist_contains(u->sink_input->proplist, PA_PROP_MEDIA_NAME)) pa_proplist_setf(u->sink_input->proplist, PA_PROP_MEDIA_NAME, "Loopback from %s", pa_strnull(pa_proplist_gets(u->source_output->source->proplist, PA_PROP_DEVICE_DESCRIPTION))); if (source && !pa_proplist_contains(u->sink_input->proplist, PA_PROP_MEDIA_ICON_NAME) && (n = pa_proplist_gets(u->source_output->source->proplist, PA_PROP_DEVICE_ICON_NAME))) pa_proplist_sets(u->sink_input->proplist, PA_PROP_MEDIA_ICON_NAME, n); pa_sink_input_put(u->sink_input); pa_source_output_put(u->source_output); if (pa_source_get_state(u->source_output->source) != PA_SOURCE_SUSPENDED) pa_sink_input_cork(u->sink_input, FALSE); if (pa_sink_get_state(u->sink_input->sink) != PA_SINK_SUSPENDED) pa_source_output_cork(u->source_output, FALSE); update_adjust_timer(u); pa_modargs_free(ma); return 0; fail: if (ma) pa_modargs_free(ma); pa__done(m); return -1; }
int pa__init(pa_module*m) { struct userdata *u; pa_sample_spec ss; pa_channel_map source_map, stream_map; pa_modargs *ma; pa_source *master; pa_source_output_new_data source_output_data; pa_source_new_data source_data; bool remix = true; pa_assert(m); if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { pa_log("Failed to parse module arguments."); goto fail; } if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "master", NULL), PA_NAMEREG_SOURCE))) { pa_log("Master source not found."); goto fail; } ss = master->sample_spec; source_map = master->channel_map; if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &source_map, PA_CHANNEL_MAP_DEFAULT) < 0) { pa_log("Invalid sample format specification or channel map."); goto fail; } stream_map = source_map; if (pa_modargs_get_channel_map(ma, "master_channel_map", &stream_map) < 0) { pa_log("Invalid master channel map."); goto fail; } if (stream_map.channels != ss.channels) { pa_log("Number of channels doesn't match."); goto fail; } if (pa_channel_map_equal(&stream_map, &master->channel_map)) pa_log_warn("No remapping configured, proceeding nonetheless!"); if (pa_modargs_get_value_boolean(ma, "remix", &remix) < 0) { pa_log("Invalid boolean remix parameter."); goto fail; } u = pa_xnew0(struct userdata, 1); u->module = m; m->userdata = u; /* Create source */ pa_source_new_data_init(&source_data); source_data.driver = __FILE__; source_data.module = m; if (!(source_data.name = pa_xstrdup(pa_modargs_get_value(ma, "source_name", NULL)))) source_data.name = pa_sprintf_malloc("%s.remapped", master->name); pa_source_new_data_set_sample_spec(&source_data, &ss); pa_source_new_data_set_channel_map(&source_data, &source_map); pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_MASTER_DEVICE, master->name); pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "filter"); if (pa_modargs_get_proplist(ma, "source_properties", source_data.proplist, PA_UPDATE_REPLACE) < 0) { pa_log("Invalid properties."); pa_source_new_data_done(&source_data); goto fail; } if ((u->auto_desc = !pa_proplist_contains(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION))) { const char *k; k = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION); pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Remapped %s", k ? k : master->name); } u->source = pa_source_new(m->core, &source_data, master->flags & (PA_SOURCE_LATENCY|PA_SOURCE_DYNAMIC_LATENCY)); pa_source_new_data_done(&source_data); if (!u->source) { pa_log("Failed to create source."); goto fail; } u->source->parent.process_msg = source_process_msg_cb; u->source->set_state = source_set_state_cb; u->source->update_requested_latency = source_update_requested_latency_cb; u->source->userdata = u; pa_source_set_asyncmsgq(u->source, master->asyncmsgq); /* Create source output */ pa_source_output_new_data_init(&source_output_data); source_output_data.driver = __FILE__; source_output_data.module = m; pa_source_output_new_data_set_source(&source_output_data, master, false); source_output_data.destination_source = u->source; pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_NAME, "Remapped Stream"); pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_ROLE, "filter"); pa_source_output_new_data_set_sample_spec(&source_output_data, &ss); pa_source_output_new_data_set_channel_map(&source_output_data, &stream_map); source_output_data.flags = remix ? 0 : PA_SOURCE_OUTPUT_NO_REMIX; pa_source_output_new(&u->source_output, m->core, &source_output_data); pa_source_output_new_data_done(&source_output_data); if (!u->source_output) goto fail; u->source_output->push = source_output_push_cb; u->source_output->process_rewind = source_output_process_rewind_cb; u->source_output->kill = source_output_kill_cb; u->source_output->attach = source_output_attach_cb; u->source_output->detach = source_output_detach_cb; u->source_output->state_change = source_output_state_change_cb; u->source_output->moving = source_output_moving_cb; u->source_output->userdata = u; u->source->output_from_master = u->source_output; pa_source_put(u->source); pa_source_output_put(u->source_output); pa_modargs_free(ma); return 0; fail: if (ma) pa_modargs_free(ma); pa__done(m); return -1; }
int pa__init(pa_module*m) { struct userdata *u; pa_modargs *ma = NULL; const char *dst_addr; const char *src_addr; uint32_t port = DEFAULT_PORT, mtu; uint32_t ttl = DEFAULT_TTL; sa_family_t af; int fd = -1, sap_fd = -1; pa_source *s; pa_sample_spec ss; pa_channel_map cm; struct sockaddr_in dst_sa4, dst_sap_sa4, src_sa4, src_sap_sa4; #ifdef HAVE_IPV6 struct sockaddr_in6 dst_sa6, dst_sap_sa6, src_sa6, src_sap_sa6; #endif struct sockaddr_storage sa_dst; pa_source_output *o = NULL; uint8_t payload; char *p; int r, j; socklen_t k; char hn[128], *n; bool loop = false; enum inhibit_auto_suspend inhibit_auto_suspend = INHIBIT_AUTO_SUSPEND_ONLY_WITH_NON_MONITOR_SOURCES; const char *inhibit_auto_suspend_str; pa_source_output_new_data data; pa_assert(m); if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { pa_log("Failed to parse module arguments"); goto fail; } if (!(s = pa_namereg_get(m->core, pa_modargs_get_value(ma, "source", NULL), PA_NAMEREG_SOURCE))) { pa_log("Source does not exist."); goto fail; } if (pa_modargs_get_value_boolean(ma, "loop", &loop) < 0) { pa_log("Failed to parse \"loop\" parameter."); goto fail; } if ((inhibit_auto_suspend_str = pa_modargs_get_value(ma, "inhibit_auto_suspend", NULL))) { if (pa_streq(inhibit_auto_suspend_str, "always")) inhibit_auto_suspend = INHIBIT_AUTO_SUSPEND_ALWAYS; else if (pa_streq(inhibit_auto_suspend_str, "never")) inhibit_auto_suspend = INHIBIT_AUTO_SUSPEND_NEVER; else if (pa_streq(inhibit_auto_suspend_str, "only_with_non_monitor_sources")) inhibit_auto_suspend = INHIBIT_AUTO_SUSPEND_ONLY_WITH_NON_MONITOR_SOURCES; else { pa_log("Failed to parse the \"inhibit_auto_suspend\" parameter."); goto fail; } } ss = s->sample_spec; pa_rtp_sample_spec_fixup(&ss); cm = s->channel_map; if (pa_modargs_get_sample_spec(ma, &ss) < 0) { pa_log("Failed to parse sample specification"); goto fail; } if (!pa_rtp_sample_spec_valid(&ss)) { pa_log("Specified sample type not compatible with RTP"); goto fail; } if (ss.channels != cm.channels) pa_channel_map_init_auto(&cm, ss.channels, PA_CHANNEL_MAP_AIFF); payload = pa_rtp_payload_from_sample_spec(&ss); mtu = (uint32_t) pa_frame_align(DEFAULT_MTU, &ss); if (pa_modargs_get_value_u32(ma, "mtu", &mtu) < 0 || mtu < 1 || mtu % pa_frame_size(&ss) != 0) { pa_log("Invalid MTU."); goto fail; } port = DEFAULT_PORT + ((uint32_t) (rand() % 512) << 1); if (pa_modargs_get_value_u32(ma, "port", &port) < 0 || port < 1 || port > 0xFFFF) { pa_log("port= expects a numerical argument between 1 and 65535."); goto fail; } if (port & 1) pa_log_warn("Port number not even as suggested in RFC3550!"); if (pa_modargs_get_value_u32(ma, "ttl", &ttl) < 0 || ttl < 1 || ttl > 0xFF) { pa_log("ttl= expects a numerical argument between 1 and 255."); goto fail; } src_addr = pa_modargs_get_value(ma, "source_ip", DEFAULT_SOURCE_IP); if (inet_pton(AF_INET, src_addr, &src_sa4.sin_addr) > 0) { src_sa4.sin_family = af = AF_INET; src_sa4.sin_port = htons(0); memset(&src_sa4.sin_zero, 0, sizeof(src_sa4.sin_zero)); src_sap_sa4 = src_sa4; #ifdef HAVE_IPV6 } else if (inet_pton(AF_INET6, src_addr, &src_sa6.sin6_addr) > 0) { src_sa6.sin6_family = af = AF_INET6; src_sa6.sin6_port = htons(0); src_sa6.sin6_flowinfo = 0; src_sa6.sin6_scope_id = 0; src_sap_sa6 = src_sa6; #endif } else { pa_log("Invalid source address '%s'", src_addr); goto fail; } dst_addr = pa_modargs_get_value(ma, "destination", NULL); if (dst_addr == NULL) dst_addr = pa_modargs_get_value(ma, "destination_ip", DEFAULT_DESTINATION_IP); if (inet_pton(AF_INET, dst_addr, &dst_sa4.sin_addr) > 0) { dst_sa4.sin_family = af = AF_INET; dst_sa4.sin_port = htons((uint16_t) port); memset(&dst_sa4.sin_zero, 0, sizeof(dst_sa4.sin_zero)); dst_sap_sa4 = dst_sa4; dst_sap_sa4.sin_port = htons(SAP_PORT); #ifdef HAVE_IPV6 } else if (inet_pton(AF_INET6, dst_addr, &dst_sa6.sin6_addr) > 0) { dst_sa6.sin6_family = af = AF_INET6; dst_sa6.sin6_port = htons((uint16_t) port); dst_sa6.sin6_flowinfo = 0; dst_sa6.sin6_scope_id = 0; dst_sap_sa6 = dst_sa6; dst_sap_sa6.sin6_port = htons(SAP_PORT); #endif } else { pa_log("Invalid destination '%s'", dst_addr); goto fail; } if ((fd = pa_socket_cloexec(af, SOCK_DGRAM, 0)) < 0) { pa_log("socket() failed: %s", pa_cstrerror(errno)); goto fail; } if (af == AF_INET && bind(fd, (struct sockaddr*) &src_sa4, sizeof(src_sa4)) < 0) { pa_log("bind() failed: %s", pa_cstrerror(errno)); goto fail; #ifdef HAVE_IPV6 } else if (af == AF_INET6 && bind(fd, (struct sockaddr*) &src_sa6, sizeof(src_sa6)) < 0) { pa_log("bind() failed: %s", pa_cstrerror(errno)); goto fail; #endif } if (af == AF_INET && connect(fd, (struct sockaddr*) &dst_sa4, sizeof(dst_sa4)) < 0) { pa_log("connect() failed: %s", pa_cstrerror(errno)); goto fail; #ifdef HAVE_IPV6 } else if (af == AF_INET6 && connect(fd, (struct sockaddr*) &dst_sa6, sizeof(dst_sa6)) < 0) { pa_log("connect() failed: %s", pa_cstrerror(errno)); goto fail; #endif } if ((sap_fd = pa_socket_cloexec(af, SOCK_DGRAM, 0)) < 0) { pa_log("socket() failed: %s", pa_cstrerror(errno)); goto fail; } if (af == AF_INET && bind(sap_fd, (struct sockaddr*) &src_sap_sa4, sizeof(src_sap_sa4)) < 0) { pa_log("bind() failed: %s", pa_cstrerror(errno)); goto fail; #ifdef HAVE_IPV6 } else if (af == AF_INET6 && bind(sap_fd, (struct sockaddr*) &src_sap_sa6, sizeof(src_sap_sa6)) < 0) { pa_log("bind() failed: %s", pa_cstrerror(errno)); goto fail; #endif } if (af == AF_INET && connect(sap_fd, (struct sockaddr*) &dst_sap_sa4, sizeof(dst_sap_sa4)) < 0) { pa_log("connect() failed: %s", pa_cstrerror(errno)); goto fail; #ifdef HAVE_IPV6 } else if (af == AF_INET6 && connect(sap_fd, (struct sockaddr*) &dst_sap_sa6, sizeof(dst_sap_sa6)) < 0) { pa_log("connect() failed: %s", pa_cstrerror(errno)); goto fail; #endif } j = loop; if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, &j, sizeof(j)) < 0 || setsockopt(sap_fd, IPPROTO_IP, IP_MULTICAST_LOOP, &j, sizeof(j)) < 0) { pa_log("IP_MULTICAST_LOOP failed: %s", pa_cstrerror(errno)); goto fail; } if (ttl != DEFAULT_TTL) { int _ttl = (int) ttl; if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_TTL, &_ttl, sizeof(_ttl)) < 0) { pa_log("IP_MULTICAST_TTL failed: %s", pa_cstrerror(errno)); goto fail; } if (setsockopt(sap_fd, IPPROTO_IP, IP_MULTICAST_TTL, &_ttl, sizeof(_ttl)) < 0) { pa_log("IP_MULTICAST_TTL (sap) failed: %s", pa_cstrerror(errno)); goto fail; } } /* If the socket queue is full, let's drop packets */ pa_make_fd_nonblock(fd); pa_make_udp_socket_low_delay(fd); pa_source_output_new_data_init(&data); pa_proplist_sets(data.proplist, PA_PROP_MEDIA_NAME, "RTP Monitor Stream"); pa_proplist_sets(data.proplist, "rtp.source", src_addr); pa_proplist_sets(data.proplist, "rtp.destination", dst_addr); pa_proplist_setf(data.proplist, "rtp.mtu", "%lu", (unsigned long) mtu); pa_proplist_setf(data.proplist, "rtp.port", "%lu", (unsigned long) port); pa_proplist_setf(data.proplist, "rtp.ttl", "%lu", (unsigned long) ttl); data.driver = __FILE__; data.module = m; pa_source_output_new_data_set_source(&data, s, false, true); pa_source_output_new_data_set_sample_spec(&data, &ss); pa_source_output_new_data_set_channel_map(&data, &cm); data.flags |= get_dont_inhibit_auto_suspend_flag(s, inhibit_auto_suspend); pa_source_output_new(&o, m->core, &data); pa_source_output_new_data_done(&data); if (!o) { pa_log("failed to create source output."); goto fail; } o->parent.process_msg = source_output_process_msg; o->push = source_output_push_cb; o->moving = source_output_moving_cb; o->kill = source_output_kill_cb; pa_log_info("Configured source latency of %llu ms.", (unsigned long long) pa_source_output_set_requested_latency(o, pa_bytes_to_usec(mtu, &o->sample_spec)) / PA_USEC_PER_MSEC); m->userdata = o->userdata = u = pa_xnew(struct userdata, 1); u->module = m; u->source_output = o; u->memblockq = pa_memblockq_new( "module-rtp-send memblockq", 0, MEMBLOCKQ_MAXLENGTH, MEMBLOCKQ_MAXLENGTH, &ss, 1, 0, 0, NULL); u->mtu = mtu; k = sizeof(sa_dst); pa_assert_se((r = getsockname(fd, (struct sockaddr*) &sa_dst, &k)) >= 0); n = pa_xstrdup(pa_modargs_get_value(ma, "stream_name", NULL)); if (n == NULL) n = pa_sprintf_malloc("PulseAudio RTP Stream on %s", pa_get_fqdn(hn, sizeof(hn))); if (af == AF_INET) { p = pa_sdp_build(af, (void*) &((struct sockaddr_in*) &sa_dst)->sin_addr, (void*) &dst_sa4.sin_addr, n, (uint16_t) port, payload, &ss); #ifdef HAVE_IPV6 } else { p = pa_sdp_build(af, (void*) &((struct sockaddr_in6*) &sa_dst)->sin6_addr, (void*) &dst_sa6.sin6_addr, n, (uint16_t) port, payload, &ss); #endif } pa_xfree(n); pa_rtp_context_init_send(&u->rtp_context, fd, m->core->cookie, payload, pa_frame_size(&ss)); pa_sap_context_init_send(&u->sap_context, sap_fd, p); pa_log_info("RTP stream initialized with mtu %u on %s:%u from %s ttl=%u, SSRC=0x%08x, payload=%u, initial sequence #%u", mtu, dst_addr, port, src_addr, ttl, u->rtp_context.ssrc, payload, u->rtp_context.sequence); pa_log_info("SDP-Data:\n%s\nEOF", p); pa_sap_send(&u->sap_context, 0); u->sap_event = pa_core_rttime_new(m->core, pa_rtclock_now() + SAP_INTERVAL, sap_event_cb, u); u->inhibit_auto_suspend = inhibit_auto_suspend; pa_source_output_put(u->source_output); pa_modargs_free(ma); return 0; fail: if (ma) pa_modargs_free(ma); if (fd >= 0) pa_close(fd); if (sap_fd >= 0) pa_close(sap_fd); return -1; }
int pa__init(pa_module*m) { struct userdata *u; pa_sample_spec ss; pa_channel_map map; pa_modargs *ma; pa_source *master=NULL; pa_source_output_new_data source_output_data; pa_source_new_data source_data; pa_bool_t *use_default = NULL; /* optional for uplink_sink */ pa_sink_new_data sink_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; } if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "master", NULL), PA_NAMEREG_SOURCE))) { pa_log("Master source not found"); goto fail; } pa_assert(master); ss = master->sample_spec; ss.format = PA_SAMPLE_FLOAT32; map = master->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; } u = pa_xnew0(struct userdata, 1); if (!u) { pa_log("Failed to alloc userdata"); goto fail; } u->module = m; m->userdata = u; u->memblockq = pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&ss), 1, 1, 0, NULL); if (!u->memblockq) { pa_log("Failed to create source memblockq."); goto fail; } u->channels = ss.channels; /* Create source */ pa_source_new_data_init(&source_data); source_data.driver = __FILE__; source_data.module = m; if (!(source_data.name = pa_xstrdup(pa_modargs_get_value(ma, "source_name", NULL)))) source_data.name = pa_sprintf_malloc("%s.vsource", master->name); pa_source_new_data_set_sample_spec(&source_data, &ss); pa_source_new_data_set_channel_map(&source_data, &map); pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_MASTER_DEVICE, master->name); pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "filter"); pa_proplist_sets(source_data.proplist, "device.vsource.name", source_data.name); if (pa_modargs_get_proplist(ma, "source_properties", source_data.proplist, PA_UPDATE_REPLACE) < 0) { pa_log("Invalid properties"); pa_source_new_data_done(&source_data); goto fail; } if ((u->auto_desc = !pa_proplist_contains(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION))) { const char *z; z = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION); pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Virtual Source %s on %s", source_data.name, z ? z : master->name); } u->source = pa_source_new(m->core, &source_data, PA_SOURCE_HW_MUTE_CTRL|PA_SOURCE_HW_VOLUME_CTRL|PA_SOURCE_DECIBEL_VOLUME| (master->flags & (PA_SOURCE_LATENCY|PA_SOURCE_DYNAMIC_LATENCY))); pa_source_new_data_done(&source_data); if (!u->source) { pa_log("Failed to create source."); goto fail; } u->source->parent.process_msg = source_process_msg_cb; u->source->set_state = source_set_state_cb; u->source->update_requested_latency = source_update_requested_latency_cb; u->source->set_volume = source_set_volume_cb; u->source->set_mute = source_set_mute_cb; u->source->get_volume = source_get_volume_cb; u->source->get_mute = source_get_mute_cb; u->source->userdata = u; pa_source_set_asyncmsgq(u->source, master->asyncmsgq); /* Create source output */ pa_source_output_new_data_init(&source_output_data); source_output_data.driver = __FILE__; source_output_data.module = m; source_output_data.source = master; /* FIXME source_output_data.flags = PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND; */ pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_NAME, "Virtual Source Stream"); pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_ROLE, "filter"); pa_source_output_new_data_set_sample_spec(&source_output_data, &ss); pa_source_output_new_data_set_channel_map(&source_output_data, &map); pa_source_output_new(&u->source_output, m->core, &source_output_data); pa_source_output_new_data_done(&source_output_data); if (!u->source_output) goto fail; u->source_output->parent.process_msg = source_output_process_msg_cb; u->source_output->push = source_output_push_cb; u->source_output->process_rewind = source_output_process_rewind_cb; u->source_output->kill = source_output_kill_cb; u->source_output->attach = source_output_attach_cb; u->source_output->detach = source_output_detach_cb; u->source_output->state_change = source_output_state_change_cb; u->source_output->may_move_to = source_output_may_move_to_cb; u->source_output->moving = source_output_moving_cb; u->source_output->userdata = u; pa_source_put(u->source); pa_source_output_put(u->source_output); /* Create optional uplink sink */ pa_sink_new_data_init(&sink_data); sink_data.driver = __FILE__; sink_data.module = m; if ((sink_data.name = pa_xstrdup(pa_modargs_get_value(ma, "uplink_sink", NULL)))) { pa_sink_new_data_set_sample_spec(&sink_data, &ss); pa_sink_new_data_set_channel_map(&sink_data, &map); pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_MASTER_DEVICE, master->name); pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_CLASS, "uplink sink"); pa_proplist_sets(sink_data.proplist, "device.uplink_sink.name", sink_data.name); if ((u->auto_desc = !pa_proplist_contains(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION))) { const char *z; z = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION); pa_proplist_setf(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Uplink Sink %s on %s", sink_data.name, z ? z : master->name); } u->sink_memblockq = pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&ss), 1, 1, 0, NULL); if (!u->sink_memblockq) { pa_log("Failed to create sink memblockq."); goto fail; } u->sink = pa_sink_new(m->core, &sink_data, 0); /* FIXME, sink has no capabilities */ pa_sink_new_data_done(&sink_data); if (!u->sink) { pa_log("Failed to create sink."); goto fail; } u->sink->parent.process_msg = sink_process_msg_cb; u->sink->update_requested_latency = sink_update_requested_latency_cb; u->sink->request_rewind = sink_request_rewind_cb; u->sink->set_state = sink_set_state_cb; u->sink->userdata = u; pa_sink_set_asyncmsgq(u->sink, master->asyncmsgq); /* FIXME: no idea what I am doing here */ u->block_usec = 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); pa_sink_put(u->sink); } else { /* optional uplink sink not enabled */ u->sink = NULL; } pa_modargs_free(ma); pa_xfree(use_default); return 0; fail: if (ma) pa_modargs_free(ma); pa_xfree(use_default); pa__done(m); return -1; }
void pa_simple_protocol_connect(pa_simple_protocol *p, pa_iochannel *io, pa_simple_options *o) { connection *c = NULL; char pname[128]; pa_client_new_data client_data; pa_assert(p); pa_assert(io); pa_assert(o); if (pa_idxset_size(p->connections)+1 > MAX_CONNECTIONS) { pa_log("Warning! Too many connections (%u), dropping incoming connection.", MAX_CONNECTIONS); pa_iochannel_free(io); return; } c = pa_msgobject_new(connection); c->parent.parent.free = connection_free; c->parent.process_msg = connection_process_msg; c->io = io; pa_iochannel_set_callback(c->io, io_callback, c); c->sink_input = NULL; c->source_output = NULL; c->input_memblockq = c->output_memblockq = NULL; c->protocol = p; c->options = pa_simple_options_ref(o); c->playback.current_memblock = NULL; c->playback.memblock_index = 0; c->dead = false; c->playback.underrun = true; pa_atomic_store(&c->playback.missing, 0); pa_client_new_data_init(&client_data); client_data.module = o->module; client_data.driver = __FILE__; pa_iochannel_socket_peer_to_string(io, pname, sizeof(pname)); pa_proplist_setf(client_data.proplist, PA_PROP_APPLICATION_NAME, "Simple client (%s)", pname); pa_proplist_sets(client_data.proplist, "simple-protocol.peer", pname); c->client = pa_client_new(p->core, &client_data); pa_client_new_data_done(&client_data); if (!c->client) goto fail; c->client->kill = client_kill_cb; c->client->userdata = c; if (o->playback) { pa_sink_input_new_data data; pa_memchunk silence; size_t l; pa_sink *sink; if (!(sink = pa_namereg_get(c->protocol->core, o->default_sink, PA_NAMEREG_SINK))) { pa_log("Failed to get sink."); goto fail; } pa_sink_input_new_data_init(&data); data.driver = __FILE__; data.module = o->module; data.client = c->client; pa_sink_input_new_data_set_sink(&data, sink, false); pa_proplist_update(data.proplist, PA_UPDATE_MERGE, c->client->proplist); pa_sink_input_new_data_set_sample_spec(&data, &o->sample_spec); pa_sink_input_new(&c->sink_input, p->core, &data); pa_sink_input_new_data_done(&data); if (!c->sink_input) { pa_log("Failed to create sink input."); goto fail; } c->sink_input->parent.process_msg = sink_input_process_msg; c->sink_input->pop = sink_input_pop_cb; c->sink_input->process_rewind = sink_input_process_rewind_cb; c->sink_input->update_max_rewind = sink_input_update_max_rewind_cb; c->sink_input->kill = sink_input_kill_cb; c->sink_input->userdata = c; pa_sink_input_set_requested_latency(c->sink_input, DEFAULT_SINK_LATENCY); l = (size_t) ((double) pa_bytes_per_second(&o->sample_spec)*PLAYBACK_BUFFER_SECONDS); pa_sink_input_get_silence(c->sink_input, &silence); c->input_memblockq = pa_memblockq_new( "simple protocol connection input_memblockq", 0, l, l, &o->sample_spec, (size_t) -1, l/PLAYBACK_BUFFER_FRAGMENTS, 0, &silence); pa_memblock_unref(silence.memblock); pa_iochannel_socket_set_rcvbuf(io, l); pa_atomic_store(&c->playback.missing, (int) pa_memblockq_pop_missing(c->input_memblockq)); pa_sink_input_put(c->sink_input); } if (o->record) { pa_source_output_new_data data; size_t l; pa_source *source; if (!(source = pa_namereg_get(c->protocol->core, o->default_source, PA_NAMEREG_SOURCE))) { pa_log("Failed to get source."); goto fail; } pa_source_output_new_data_init(&data); data.driver = __FILE__; data.module = o->module; data.client = c->client; pa_source_output_new_data_set_source(&data, source, false); pa_proplist_update(data.proplist, PA_UPDATE_MERGE, c->client->proplist); pa_source_output_new_data_set_sample_spec(&data, &o->sample_spec); pa_source_output_new(&c->source_output, p->core, &data); pa_source_output_new_data_done(&data); if (!c->source_output) { pa_log("Failed to create source output."); goto fail; } c->source_output->push = source_output_push_cb; c->source_output->kill = source_output_kill_cb; c->source_output->get_latency = source_output_get_latency_cb; c->source_output->userdata = c; pa_source_output_set_requested_latency(c->source_output, DEFAULT_SOURCE_LATENCY); l = (size_t) (pa_bytes_per_second(&o->sample_spec)*RECORD_BUFFER_SECONDS); c->output_memblockq = pa_memblockq_new( "simple protocol connection output_memblockq", 0, l, 0, &o->sample_spec, 1, 0, 0, NULL); pa_iochannel_socket_set_sndbuf(io, l); pa_source_output_put(c->source_output); } pa_idxset_put(p->connections, c, NULL); return; fail: connection_unlink(c); }
int pa__init(pa_module *m) { pa_modargs *ma = NULL; struct userdata *u; pa_sink *sink; pa_sink_input_new_data sink_input_data; pa_source *source; pa_source_output_new_data source_output_data; uint32_t latency_msec; pa_sample_spec ss; pa_channel_map map; pa_memchunk silence; uint32_t adjust_time_sec; const char *n; pa_assert(m); if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { pa_log("Failed to parse module arguments"); goto fail; } if (!(source = pa_namereg_get(m->core, pa_modargs_get_value(ma, "source", NULL), PA_NAMEREG_SOURCE))) { pa_log("No such source."); goto fail; } if (!(sink = pa_namereg_get(m->core, pa_modargs_get_value(ma, "sink", NULL), PA_NAMEREG_SINK))) { pa_log("No such sink."); goto fail; } ss = sink->sample_spec; map = sink->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; } latency_msec = DEFAULT_LATENCY_MSEC; if (pa_modargs_get_value_u32(ma, "latency_msec", &latency_msec) < 0 || latency_msec < 1 || latency_msec > 2000) { pa_log("Invalid latency specification"); goto fail; } m->userdata = u = pa_xnew0(struct userdata, 1); u->core = m->core; u->module = m; u->latency = (pa_usec_t) latency_msec * PA_USEC_PER_MSEC; adjust_time_sec = DEFAULT_ADJUST_TIME_USEC / PA_USEC_PER_SEC; if (pa_modargs_get_value_u32(ma, "adjust_time", &adjust_time_sec) < 0) { pa_log("Failed to parse adjust_time value"); goto fail; } if (adjust_time_sec != DEFAULT_ADJUST_TIME_USEC / PA_USEC_PER_SEC) u->adjust_time = adjust_time_sec * PA_USEC_PER_SEC; else u->adjust_time = DEFAULT_ADJUST_TIME_USEC; pa_sink_input_new_data_init(&sink_input_data); sink_input_data.driver = __FILE__; sink_input_data.module = m; sink_input_data.sink = sink; if ((n = pa_modargs_get_value(ma, "sink_input_name", NULL))) pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_NAME, n); else pa_proplist_setf(sink_input_data.proplist, PA_PROP_MEDIA_NAME, "Loopback from %s", pa_strnull(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_DESCRIPTION))); if ((n = pa_modargs_get_value(ma, "sink_input_role", NULL))) pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, n); else pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, "abstract"); if ((n = pa_proplist_gets(source->proplist, PA_PROP_DEVICE_ICON_NAME))) pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ICON_NAME, n); pa_sink_input_new_data_set_sample_spec(&sink_input_data, &ss); pa_sink_input_new_data_set_channel_map(&sink_input_data, &map); sink_input_data.flags = PA_SINK_INPUT_VARIABLE_RATE; pa_sink_input_new(&u->sink_input, m->core, &sink_input_data); pa_sink_input_new_data_done(&sink_input_data); if (!u->sink_input) goto fail; u->sink_input->parent.process_msg = sink_input_process_msg_cb; u->sink_input->pop = sink_input_pop_cb; u->sink_input->process_rewind = sink_input_process_rewind_cb; u->sink_input->kill = sink_input_kill_cb; u->sink_input->attach = sink_input_attach_cb; u->sink_input->detach = sink_input_detach_cb; u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb; u->sink_input->update_max_request = sink_input_update_max_request_cb; u->sink_input->may_move_to = sink_input_may_move_to_cb; u->sink_input->moving = sink_input_moving_cb; u->sink_input->userdata = u; pa_sink_input_set_requested_latency(u->sink_input, u->latency/3); pa_source_output_new_data_init(&source_output_data); source_output_data.driver = __FILE__; source_output_data.module = m; source_output_data.source = source; if ((n = pa_modargs_get_value(ma, "source_output_name", NULL))) pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_NAME, n); else pa_proplist_setf(source_output_data.proplist, PA_PROP_MEDIA_NAME, "Loopback to %s", pa_strnull(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_DESCRIPTION))); if ((n = pa_modargs_get_value(ma, "source_output_role", NULL))) pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_ROLE, n); else pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_ROLE, "abstract"); if ((n = pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_ICON_NAME))) pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_ICON_NAME, n); pa_source_output_new_data_set_sample_spec(&source_output_data, &ss); pa_sink_input_new_data_set_channel_map(&sink_input_data, &map); pa_source_output_new(&u->source_output, m->core, &source_output_data); pa_source_output_new_data_done(&source_output_data); if (!u->source_output) goto fail; u->source_output->parent.process_msg = source_output_process_msg_cb; u->source_output->push = source_output_push_cb; u->source_output->process_rewind = source_output_process_rewind_cb; u->source_output->kill = source_output_kill_cb; u->source_output->attach = source_output_attach_cb; u->source_output->detach = source_output_detach_cb; u->source_output->state_change = source_output_state_change_cb; u->source_output->may_move_to = source_output_may_move_to_cb; u->source_output->moving = source_output_moving_cb; u->source_output->userdata = u; pa_source_output_set_requested_latency(u->source_output, u->latency/3); pa_sink_input_get_silence(u->sink_input, &silence); u->memblockq = pa_memblockq_new( 0, /* idx */ MEMBLOCKQ_MAXLENGTH, /* maxlength */ MEMBLOCKQ_MAXLENGTH, /* tlength */ pa_frame_size(&ss), /* base */ 0, /* prebuf */ 0, /* minreq */ 0, /* maxrewind */ &silence); /* silence frame */ pa_memblock_unref(silence.memblock); u->asyncmsgq = pa_asyncmsgq_new(0); pa_sink_input_put(u->sink_input); pa_source_output_put(u->source_output); if (u->adjust_time > 0) u->time_event = pa_core_rttime_new(m->core, pa_rtclock_now() + u->adjust_time, time_callback, u); pa_modargs_free(ma); return 0; fail: if (ma) pa_modargs_free(ma); pa__done(m); return -1; }