X-Git-Url: https://code.delx.au/pulseaudio/blobdiff_plain/e313fe1b3d0d9f9945c41c151d72edbe9cf1ec54..454ca62b235a2f9089e3780b14ae01397515081e:/src/modules/module-combine.c diff --git a/src/modules/module-combine.c b/src/modules/module-combine.c index dd81653c..bd48bf44 100644 --- a/src/modules/module-combine.c +++ b/src/modules/module-combine.c @@ -1,13 +1,12 @@ -/* $Id$ */ - /*** This file is part of PulseAudio. - Copyright 2004-2006 Lennart Poettering + Copyright 2009 Lennart Poettering + Copyright 2011 Colin Guthrie 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, + by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. PulseAudio is distributed in the hope that it will be useful, but @@ -25,1167 +24,48 @@ #include #endif -#include -#include - -#include #include -#include #include -#include -#include -#include -#include #include -#include -#include -#include -#include -#include -#include -#include -#include -#include #include "module-combine-symdef.h" -PA_MODULE_AUTHOR("Lennart Poettering"); -PA_MODULE_DESCRIPTION("Combine multiple sinks to one"); +PA_MODULE_AUTHOR("Colin Guthrie"); +PA_MODULE_DESCRIPTION("Compatibility module (module-combine rename)"); PA_MODULE_VERSION(PACKAGE_VERSION); -PA_MODULE_LOAD_ONCE(FALSE); -PA_MODULE_USAGE( - "sink_name= " - "master= " - "slaves= " - "adjust_time= " - "resample_method= " - "format= " - "channels= " - "rate= " - "channel_map="); - -#define DEFAULT_SINK_NAME "combined" -#define MEMBLOCKQ_MAXLENGTH (1024*170) - -#define DEFAULT_ADJUST_TIME 10 - -static const char* const valid_modargs[] = { - "sink_name", - "master", - "slaves", - "adjust_time", - "resample_method", - "format", - "channels", - "rate", - "channel_map", - NULL -}; - -struct output { - struct userdata *userdata; - - pa_sink *sink; - pa_sink_input *sink_input; - - pa_asyncmsgq *inq, /* Message queue from the sink thread to this sink input */ - *outq; /* Message queue from this sink input to the sink thread */ - pa_rtpoll_item *inq_rtpoll_item, *outq_rtpoll_item; - - pa_memblockq *memblockq; - - pa_usec_t total_latency; - - PA_LLIST_FIELDS(struct output); -}; +PA_MODULE_LOAD_ONCE(false); +PA_MODULE_DEPRECATED("Please use module-combine-sink instead of module-combine!"); struct userdata { - pa_core *core; - pa_module *module; - pa_sink *sink; - - pa_thread *thread; - pa_thread_mq thread_mq; - pa_rtpoll *rtpoll; - - pa_time_event *time_event; - uint32_t adjust_time; - - pa_bool_t automatic; - size_t block_size; - - pa_hook_slot *sink_new_slot, *sink_unlink_slot, *sink_state_changed_slot; - - pa_resample_method_t resample_method; - - struct timeval adjust_timestamp; - - struct output *master; - pa_idxset* outputs; /* managed in main context */ - - struct { - PA_LLIST_HEAD(struct output, active_outputs); /* managed in IO thread context */ - pa_atomic_t running; /* we cache that value here, so that every thread can query it cheaply */ - struct timeval timestamp; - pa_bool_t in_null_mode; - } thread_info; -}; - -enum { - SINK_MESSAGE_ADD_OUTPUT = PA_SINK_MESSAGE_MAX, - SINK_MESSAGE_REMOVE_OUTPUT, - SINK_MESSAGE_NEED + uint32_t module_index; }; -enum { - SINK_INPUT_MESSAGE_POST = PA_SINK_INPUT_MESSAGE_MAX -}; - -static void output_free(struct output *o); -static int output_create_sink_input(struct output *o); -static void update_master(struct userdata *u, struct output *o); -static void pick_master(struct userdata *u, struct output *except); - -static void adjust_rates(struct userdata *u) { - struct output *o; - pa_usec_t max_sink_latency = 0, min_total_latency = (pa_usec_t) -1, target_latency; - uint32_t base_rate; - uint32_t idx; - - pa_assert(u); - pa_sink_assert_ref(u->sink); - - if (pa_idxset_size(u->outputs) <= 0) - return; - - if (!u->master) - return; - - if (!PA_SINK_OPENED(pa_sink_get_state(u->sink))) - return; - - for (o = pa_idxset_first(u->outputs, &idx); o; o = pa_idxset_next(u->outputs, &idx)) { - pa_usec_t sink_latency; - - if (!o->sink_input || !PA_SINK_OPENED(pa_sink_get_state(o->sink))) - continue; - - sink_latency = pa_sink_get_latency(o->sink); - o->total_latency = sink_latency + pa_sink_input_get_latency(o->sink_input); - - if (sink_latency > max_sink_latency) - max_sink_latency = sink_latency; - - if (min_total_latency == (pa_usec_t) -1 || o->total_latency < min_total_latency) - min_total_latency = o->total_latency; - } - - if (min_total_latency == (pa_usec_t) -1) - return; - - target_latency = max_sink_latency > min_total_latency ? max_sink_latency : min_total_latency; - - pa_log_info("[%s] target latency is %0.0f usec.", u->sink->name, (float) target_latency); - pa_log_info("[%s] master %s latency %0.0f usec.", u->sink->name, u->master->sink->name, (float) u->master->total_latency); - - base_rate = u->sink->sample_spec.rate; - - for (o = pa_idxset_first(u->outputs, &idx); o; o = pa_idxset_next(u->outputs, &idx)) { - uint32_t r = base_rate; - - if (!o->sink_input || !PA_SINK_OPENED(pa_sink_get_state(o->sink))) - continue; - - if (o->total_latency < target_latency) - r -= (uint32_t) (((((double) target_latency - o->total_latency))/u->adjust_time)*r/PA_USEC_PER_SEC); - else if (o->total_latency > target_latency) - r += (uint32_t) (((((double) o->total_latency - target_latency))/u->adjust_time)*r/PA_USEC_PER_SEC); - - if (r < (uint32_t) (base_rate*0.9) || r > (uint32_t) (base_rate*1.1)) { - pa_log_warn("[%s] sample rates too different, not adjusting (%u vs. %u).", o->sink_input->name, base_rate, r); - pa_sink_input_set_rate(o->sink_input, base_rate); - } else { - pa_log_info("[%s] new rate is %u Hz; ratio is %0.3f; latency is %0.0f usec.", o->sink_input->name, r, (double) r / base_rate, (float) o->total_latency); - pa_sink_input_set_rate(o->sink_input, r); - } - } -} - -static void time_callback(pa_mainloop_api*a, pa_time_event* e, const struct timeval *tv, void *userdata) { - struct userdata *u = userdata; - struct timeval n; - - pa_assert(u); - pa_assert(a); - pa_assert(u->time_event == e); - - adjust_rates(u); - - pa_gettimeofday(&n); - n.tv_sec += u->adjust_time; - u->sink->core->mainloop->time_restart(e, &n); -} - -static void thread_func(void *userdata) { - struct userdata *u = userdata; - - pa_assert(u); - - pa_log_debug("Thread starting up"); - - if (u->core->realtime_scheduling) - pa_make_realtime(u->core->realtime_priority+1); - - pa_thread_mq_install(&u->thread_mq); - pa_rtpoll_install(u->rtpoll); - - pa_rtclock_get(&u->thread_info.timestamp); - u->thread_info.in_null_mode = FALSE; - - for (;;) { - int ret; - - /* If no outputs are connected, render some data and drop it immediately. */ - if (u->sink->thread_info.state == PA_SINK_RUNNING && !u->thread_info.active_outputs) { - struct timeval now; - - pa_rtclock_get(&now); - - if (!u->thread_info.in_null_mode || pa_timeval_cmp(&u->thread_info.timestamp, &now) <= 0) { - pa_sink_skip(u->sink, u->block_size); - - if (!u->thread_info.in_null_mode) - u->thread_info.timestamp = now; - - pa_timeval_add(&u->thread_info.timestamp, pa_bytes_to_usec(u->block_size, &u->sink->sample_spec)); - } - - pa_rtpoll_set_timer_absolute(u->rtpoll, &u->thread_info.timestamp); - u->thread_info.in_null_mode = TRUE; - - } else { - pa_rtpoll_set_timer_disabled(u->rtpoll); - u->thread_info.in_null_mode = FALSE; - } - - /* Hmm, nothing to do. Let's sleep */ - if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0) { - pa_log_info("pa_rtpoll_run() = %i", ret); - 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"); -} - -/* Called from I/O thread context */ -static void render_memblock(struct userdata *u, struct output *o, size_t length) { - pa_assert(u); - pa_assert(o); - - /* We are run by the sink thread, on behalf of an output (o). The - * other output is waiting for us, hence it is safe to access its - * mainblockq and asyncmsgq directly. */ - - /* If we are not running, we cannot produce any data */ - if (!pa_atomic_load(&u->thread_info.running)) - return; - - /* Maybe there's some data in the requesting output's queue - * now? */ - while (pa_asyncmsgq_process_one(o->inq) > 0) - ; - - /* Ok, now let's prepare some data if we really have to */ - while (!pa_memblockq_is_readable(o->memblockq)) { - struct output *j; - pa_memchunk chunk; - - /* Render data! */ - pa_sink_render(u->sink, length, &chunk); - - /* OK, let's send this data to the other threads */ - for (j = u->thread_info.active_outputs; j; j = j->next) - - /* Send to other outputs, which are not the requesting - * one */ - - if (j != o) - pa_asyncmsgq_post(j->inq, PA_MSGOBJECT(j->sink_input), SINK_INPUT_MESSAGE_POST, NULL, 0, &chunk, NULL); - - /* And place it directly into the requesting output's queue */ - if (o) - pa_memblockq_push_align(o->memblockq, &chunk); - - pa_memblock_unref(chunk.memblock); - } -} - -/* Called from I/O thread context */ -static void request_memblock(struct output *o, size_t length) { - pa_assert(o); - pa_sink_input_assert_ref(o->sink_input); - pa_sink_assert_ref(o->userdata->sink); - - /* If another thread already prepared some data we received - * the data over the asyncmsgq, hence let's first process - * it. */ - while (pa_asyncmsgq_process_one(o->inq) > 0) - ; - - /* Check whether we're now readable */ - if (pa_memblockq_is_readable(o->memblockq)) - return; - - /* OK, we need to prepare new data, but only if the sink is actually running */ - if (pa_atomic_load(&o->userdata->thread_info.running)) - pa_asyncmsgq_send(o->outq, PA_MSGOBJECT(o->userdata->sink), SINK_MESSAGE_NEED, o, length, NULL); -} - -/* Called from I/O thread context */ -static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) { - struct output *o; - - pa_sink_input_assert_ref(i); - pa_assert_se(o = i->userdata); - - /* If necessary, get some new data */ - request_memblock(o, length); - - return pa_memblockq_peek(o->memblockq, chunk); -} - -/* Called from I/O thread context */ -static void sink_input_drop_cb(pa_sink_input *i, size_t length) { - struct output *o; - - pa_sink_input_assert_ref(i); - pa_assert(length > 0); - pa_assert_se(o = i->userdata); - - pa_memblockq_drop(o->memblockq, length); -} - -/* Called from I/O thread context */ -static void sink_input_attach_cb(pa_sink_input *i) { - struct output *o; - - pa_sink_input_assert_ref(i); - pa_assert_se(o = i->userdata); - - /* Set up the queue from the sink thread to us */ - pa_assert(!o->inq_rtpoll_item); - o->inq_rtpoll_item = pa_rtpoll_item_new_asyncmsgq( - i->sink->rtpoll, - PA_RTPOLL_LATE, /* This one is not that important, since we check for data in _peek() anyway. */ - o->inq); -} - -/* Called from I/O thread context */ -static void sink_input_detach_cb(pa_sink_input *i) { - struct output *o; - - pa_sink_input_assert_ref(i); - pa_assert_se(o = i->userdata); - - /* Shut down the queue from the sink thread to us */ - pa_assert(o->inq_rtpoll_item); - pa_rtpoll_item_free(o->inq_rtpoll_item); - o->inq_rtpoll_item = NULL; -} - -/* Called from main context */ -static void sink_input_kill_cb(pa_sink_input *i) { - struct output *o; - - pa_sink_input_assert_ref(i); - pa_assert(o = i->userdata); - - pa_module_unload_request(o->userdata->module); - output_free(o); -} - -/* Called from thread context */ -static int sink_input_process_msg(pa_msgobject *obj, int code, void *data, int64_t offset, pa_memchunk *chunk) { - struct output *o = PA_SINK_INPUT(obj)->userdata; - - switch (code) { - - case PA_SINK_INPUT_MESSAGE_GET_LATENCY: { - pa_usec_t *r = data; - - *r = pa_bytes_to_usec(pa_memblockq_get_length(o->memblockq), &o->sink_input->sample_spec); - - /* Fall through, the default handler will add in the extra - * latency added by the resampler */ - break; - } - - case SINK_INPUT_MESSAGE_POST: - - if (PA_SINK_OPENED(o->sink_input->sink->thread_info.state)) - pa_memblockq_push_align(o->memblockq, chunk); - else - pa_memblockq_flush(o->memblockq); - - break; - } - - return pa_sink_input_process_msg(obj, code, data, offset, chunk); -} - -/* Called from main context */ -static void disable_output(struct output *o) { - pa_assert(o); - - if (!o->sink_input) - return; - - pa_asyncmsgq_send(o->userdata->sink->asyncmsgq, PA_MSGOBJECT(o->userdata->sink), SINK_MESSAGE_REMOVE_OUTPUT, o, 0, NULL); - pa_sink_input_unlink(o->sink_input); - pa_sink_input_unref(o->sink_input); - o->sink_input = NULL; - -} - -/* Called from main context */ -static void enable_output(struct output *o) { - pa_assert(o); - - if (o->sink_input) - return; - - if (output_create_sink_input(o) >= 0) { - - pa_memblockq_flush(o->memblockq); - - pa_sink_input_put(o->sink_input); - - if (o->userdata->sink && PA_SINK_LINKED(pa_sink_get_state(o->userdata->sink))) - pa_asyncmsgq_send(o->userdata->sink->asyncmsgq, PA_MSGOBJECT(o->userdata->sink), SINK_MESSAGE_ADD_OUTPUT, o, 0, NULL); - } -} - -/* Called from main context */ -static void suspend(struct userdata *u) { - struct output *o; - uint32_t idx; - - pa_assert(u); - - /* Let's suspend by unlinking all streams */ - for (o = pa_idxset_first(u->outputs, &idx); o; o = pa_idxset_next(u->outputs, &idx)) - disable_output(o); - - pick_master(u, NULL); - - pa_log_info("Device suspended..."); -} - -/* Called from main context */ -static void unsuspend(struct userdata *u) { - struct output *o; - uint32_t idx; - - pa_assert(u); - - /* Let's resume */ - for (o = pa_idxset_first(u->outputs, &idx); o; o = pa_idxset_next(u->outputs, &idx)) { - - pa_sink_suspend(o->sink, FALSE); - - if (PA_SINK_OPENED(pa_sink_get_state(o->sink))) - enable_output(o); - } - - pick_master(u, NULL); - - pa_log_info("Resumed successfully..."); -} - -/* Called from main context */ -static int sink_set_state(pa_sink *sink, pa_sink_state_t state) { - struct userdata *u; - - pa_sink_assert_ref(sink); - pa_assert_se(u = sink->userdata); - - /* Please note that in contrast to the ALSA modules we call - * suspend/unsuspend from main context here! */ - - switch (state) { - case PA_SINK_SUSPENDED: - pa_assert(PA_SINK_OPENED(pa_sink_get_state(u->sink))); - - suspend(u); - break; - - case PA_SINK_IDLE: - case PA_SINK_RUNNING: - - if (pa_sink_get_state(u->sink) == PA_SINK_SUSPENDED) - unsuspend(u); - - break; - - case PA_SINK_UNLINKED: - case PA_SINK_INIT: - ; - } - - return 0; -} - -/* Called from thread context of the master */ -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; - - switch (code) { - - case PA_SINK_MESSAGE_SET_STATE: - pa_atomic_store(&u->thread_info.running, PA_PTR_TO_UINT(data) == PA_SINK_RUNNING); - break; - - case PA_SINK_MESSAGE_GET_LATENCY: - - /* This code will only be called when running in NULL - * mode, i.e. when no output is attached. See - * sink_get_latency_cb() below */ - - if (u->thread_info.in_null_mode) { - struct timeval now; - - if (pa_timeval_cmp(&u->thread_info.timestamp, pa_rtclock_get(&now)) > 0) { - *((pa_usec_t*) data) = pa_timeval_diff(&u->thread_info.timestamp, &now); - break; - } - } - - *((pa_usec_t*) data) = 0; - - break; - - case SINK_MESSAGE_ADD_OUTPUT: { - struct output *op = data; - - PA_LLIST_PREPEND(struct output, u->thread_info.active_outputs, op); - - pa_assert(!op->outq_rtpoll_item); - - /* Create pa_asyncmsgq to the sink thread */ - - op->outq_rtpoll_item = pa_rtpoll_item_new_asyncmsgq( - u->rtpoll, - PA_RTPOLL_EARLY-1, /* This item is very important */ - op->outq); - - return 0; - } - - case SINK_MESSAGE_REMOVE_OUTPUT: { - struct output *op = data; - - PA_LLIST_REMOVE(struct output, u->thread_info.active_outputs, op); - - /* Remove the q that leads from this output to the sink thread */ - - pa_assert(op->outq_rtpoll_item); - pa_rtpoll_item_free(op->outq_rtpoll_item); - op->outq_rtpoll_item = NULL; - - return 0; - } - - case SINK_MESSAGE_NEED: - render_memblock(u, data, (size_t) offset); - return 0; - } - - return pa_sink_process_msg(o, code, data, offset, chunk); -} - -/* Called from main context */ -static pa_usec_t sink_get_latency_cb(pa_sink *s) { - struct userdata *u; - - pa_sink_assert_ref(s); - pa_assert_se(u = s->userdata); - - if (u->master) { - /* If we have a master sink, we just return the latency of it - * and add our own buffering on top */ - - if (!u->master->sink_input) - return 0; - - return - pa_sink_input_get_latency(u->master->sink_input) + - pa_sink_get_latency(u->master->sink); - - } else { - pa_usec_t usec = 0; - - /* We have no master, hence let's ask our own thread which - * implements the NULL sink */ - - if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0) - return 0; - - return usec; - } -} - -static void update_description(struct userdata *u) { - int first = 1; - char *t; - struct output *o; - uint32_t idx; - - pa_assert(u); - - if (pa_idxset_isempty(u->outputs)) { - pa_sink_set_description(u->sink, "Simultaneous output"); - return; - } - - t = pa_xstrdup("Simultaneous output to"); - - for (o = pa_idxset_first(u->outputs, &idx); o; o = pa_idxset_next(u->outputs, &idx)) { - char *e; - - if (first) { - e = pa_sprintf_malloc("%s %s", t, o->sink->description); - first = 0; - } else - e = pa_sprintf_malloc("%s, %s", t, o->sink->description); - - pa_xfree(t); - t = e; - } - - pa_sink_set_description(u->sink, t); - pa_xfree(t); -} - -static void update_master(struct userdata *u, struct output *o) { - pa_assert(u); - - if (u->master == o) - return; - - if ((u->master = o)) - pa_log_info("Master sink is now '%s'", o->sink_input->sink->name); - else - pa_log_info("No master selected, lacking suitable outputs."); -} - -static void pick_master(struct userdata *u, struct output *except) { - struct output *o; - uint32_t idx; - pa_assert(u); - - if (u->master && - u->master != except && - u->master->sink_input && - PA_SINK_OPENED(pa_sink_get_state(u->master->sink))) { - update_master(u, u->master); - return; - } - - for (o = pa_idxset_first(u->outputs, &idx); o; o = pa_idxset_next(u->outputs, &idx)) - if (o != except && - o->sink_input && - PA_SINK_OPENED(pa_sink_get_state(o->sink))) { - update_master(u, o); - return; - } - - update_master(u, NULL); -} - -static int output_create_sink_input(struct output *o) { - pa_sink_input_new_data data; - char *t; - - pa_assert(o); - - if (o->sink_input) - return 0; - - t = pa_sprintf_malloc("Simultaneous output on %s", o->sink->description); - - pa_sink_input_new_data_init(&data); - data.sink = o->sink; - data.driver = __FILE__; - data.name = t; - pa_sink_input_new_data_set_sample_spec(&data, &o->userdata->sink->sample_spec); - pa_sink_input_new_data_set_channel_map(&data, &o->userdata->sink->channel_map); - data.module = o->userdata->module; - data.resample_method = o->userdata->resample_method; - - o->sink_input = pa_sink_input_new(o->userdata->core, &data, PA_SINK_INPUT_VARIABLE_RATE|PA_SINK_INPUT_DONT_MOVE); - - pa_xfree(t); - - if (!o->sink_input) - return -1; - - o->sink_input->parent.process_msg = sink_input_process_msg; - o->sink_input->peek = sink_input_peek_cb; - o->sink_input->drop = sink_input_drop_cb; - o->sink_input->attach = sink_input_attach_cb; - o->sink_input->detach = sink_input_detach_cb; - o->sink_input->kill = sink_input_kill_cb; - o->sink_input->userdata = o; - - - return 0; -} - -static struct output *output_new(struct userdata *u, pa_sink *sink) { - struct output *o; - - pa_assert(u); - pa_assert(sink); - pa_assert(u->sink); - - o = pa_xnew(struct output, 1); - o->userdata = u; - o->inq = pa_asyncmsgq_new(0); - o->outq = pa_asyncmsgq_new(0); - o->inq_rtpoll_item = NULL; - o->outq_rtpoll_item = NULL; - o->sink = sink; - o->sink_input = NULL; - o->memblockq = pa_memblockq_new( - 0, - MEMBLOCKQ_MAXLENGTH, - MEMBLOCKQ_MAXLENGTH, - pa_frame_size(&u->sink->sample_spec), - 1, - 0, - NULL); - - pa_assert_se(pa_idxset_put(u->outputs, o, NULL) == 0); - - if (u->sink && PA_SINK_LINKED(pa_sink_get_state(u->sink))) - pa_asyncmsgq_send(u->sink->asyncmsgq, PA_MSGOBJECT(u->sink), SINK_MESSAGE_ADD_OUTPUT, o, 0, NULL); - else { - /* If the sink is not yet started, we need to do the activation ourselves */ - PA_LLIST_PREPEND(struct output, u->thread_info.active_outputs, o); - - o->outq_rtpoll_item = pa_rtpoll_item_new_asyncmsgq( - u->rtpoll, - PA_RTPOLL_EARLY-1, /* This item is very important */ - o->outq); - } - - if (PA_SINK_OPENED(pa_sink_get_state(u->sink)) || pa_sink_get_state(u->sink) == PA_SINK_INIT) { - pa_sink_suspend(sink, FALSE); - - if (PA_SINK_OPENED(pa_sink_get_state(sink))) - if (output_create_sink_input(o) < 0) - goto fail; - } - - - update_description(u); - - return o; - -fail: - - if (o) { - pa_idxset_remove_by_data(u->outputs, o, NULL); - - if (o->sink_input) { - pa_sink_input_unlink(o->sink_input); - pa_sink_input_unref(o->sink_input); - } - - if (o->memblockq) - pa_memblockq_free(o->memblockq); - - if (o->inq) - pa_asyncmsgq_unref(o->inq); - - if (o->outq) - pa_asyncmsgq_unref(o->outq); - - pa_xfree(o); - } - - return NULL; -} - -static pa_hook_result_t sink_new_hook_cb(pa_core *c, pa_sink *s, struct userdata* u) { - struct output *o; - - pa_core_assert_ref(c); - pa_sink_assert_ref(s); - pa_assert(u); - pa_assert(u->automatic); - - if (!(s->flags & PA_SINK_HARDWARE) || s == u->sink) - return PA_HOOK_OK; - - pa_log_info("Configuring new sink: %s", s->name); - - if (!(o = output_new(u, s))) { - pa_log("Failed to create sink input on sink '%s'.", s->name); - return PA_HOOK_OK; - } - - if (o->sink_input) - pa_sink_input_put(o->sink_input); - - pick_master(u, NULL); - - return PA_HOOK_OK; -} - -static pa_hook_result_t sink_unlink_hook_cb(pa_core *c, pa_sink *s, struct userdata* u) { - struct output *o; - uint32_t idx; - - pa_assert(c); - pa_sink_assert_ref(s); - pa_assert(u); - - if (s == u->sink) - return PA_HOOK_OK; - - for (o = pa_idxset_first(u->outputs, &idx); o; o = pa_idxset_next(u->outputs, &idx)) - if (o->sink == s) - break; - - if (!o) - return PA_HOOK_OK; - - pa_log_info("Unconfiguring sink: %s", s->name); - - output_free(o); - - return PA_HOOK_OK; -} - -static pa_hook_result_t sink_state_changed_hook_cb(pa_core *c, pa_sink *s, struct userdata* u) { - struct output *o; - uint32_t idx; - pa_sink_state_t state; - - if (s == u->sink) - return PA_HOOK_OK; - - for (o = pa_idxset_first(u->outputs, &idx); o; o = pa_idxset_next(u->outputs, &idx)) - if (o->sink == s) - break; - - if (!o) - return PA_HOOK_OK; - - state = pa_sink_get_state(s); - - if (PA_SINK_OPENED(state) && PA_SINK_OPENED(pa_sink_get_state(u->sink)) && !o->sink_input) { - enable_output(o); - pick_master(u, NULL); - } - - if (state == PA_SINK_SUSPENDED && o->sink_input) { - disable_output(o); - pick_master(u, o); - } - - return PA_HOOK_OK; -} - int pa__init(pa_module*m) { struct userdata *u; - pa_modargs *ma = NULL; - const char *master_name, *slaves, *rm; - pa_sink *master_sink = NULL; - int resample_method = PA_RESAMPLER_TRIVIAL; - pa_sample_spec ss; - pa_channel_map map; - struct output *o; - uint32_t idx; + pa_module *module; pa_assert(m); + pa_assert_se(m->userdata = u = pa_xnew0(struct userdata, 1)); - if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { - pa_log("failed to parse module arguments"); - goto fail; - } - - if ((rm = pa_modargs_get_value(ma, "resample_method", NULL))) { - if ((resample_method = pa_parse_resample_method(rm)) < 0) { - pa_log("invalid resample method '%s'", rm); - goto fail; - } - } - - u = pa_xnew(struct userdata, 1); - u->core = m->core; - u->module = m; - m->userdata = u; - u->sink = NULL; - u->master = NULL; - u->time_event = NULL; - u->adjust_time = DEFAULT_ADJUST_TIME; - pa_thread_mq_init(&u->thread_mq, m->core->mainloop); - u->rtpoll = pa_rtpoll_new(); - u->thread = NULL; - u->resample_method = resample_method; - u->outputs = pa_idxset_new(NULL, NULL); - memset(&u->adjust_timestamp, 0, sizeof(u->adjust_timestamp)); - u->sink_new_slot = u->sink_unlink_slot = u->sink_state_changed_slot = NULL; - PA_LLIST_HEAD_INIT(struct output, u->thread_info.active_outputs); - pa_atomic_store(&u->thread_info.running, FALSE); - u->thread_info.in_null_mode = FALSE; - pa_rtpoll_item_new_asyncmsgq(u->rtpoll, PA_RTPOLL_EARLY, u->thread_mq.inq); - - if (pa_modargs_get_value_u32(ma, "adjust_time", &u->adjust_time) < 0) { - pa_log("Failed to parse adjust_time value"); - goto fail; - } - - master_name = pa_modargs_get_value(ma, "master", NULL); - slaves = pa_modargs_get_value(ma, "slaves", NULL); - if (!master_name != !slaves) { - pa_log("No master or slave sinks specified"); - goto fail; - } - - if (master_name) { - if (!(master_sink = pa_namereg_get(m->core, master_name, PA_NAMEREG_SINK, 1))) { - pa_log("Invalid master sink '%s'", master_name); - goto fail; - } - - ss = master_sink->sample_spec; - u->automatic = FALSE; - } else { - master_sink = NULL; - ss = m->core->default_sample_spec; - u->automatic = TRUE; - } - - if ((pa_modargs_get_sample_spec(ma, &ss) < 0)) { - pa_log("Invalid sample specification."); - goto fail; - } - - if (master_sink && ss.channels == master_sink->sample_spec.channels) - map = master_sink->channel_map; - else - pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_DEFAULT); - - if ((pa_modargs_get_channel_map(ma, NULL, &map) < 0)) { - pa_log("Invalid channel map."); - goto fail; - } - - if (ss.channels != map.channels) { - pa_log("Channel map and sample specification don't match."); - goto fail; - } - - if (!(u->sink = pa_sink_new(m->core, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, &map))) { - pa_log("Failed to create sink"); - goto fail; - } - - u->sink->parent.process_msg = sink_process_msg; - u->sink->get_latency = sink_get_latency_cb; - u->sink->set_state = sink_set_state; - u->sink->userdata = u; - - u->sink->flags = PA_SINK_LATENCY; - pa_sink_set_module(u->sink, m); - pa_sink_set_description(u->sink, "Simultaneous output"); - pa_sink_set_rtpoll(u->sink, u->rtpoll); - pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq); - - u->block_size = pa_bytes_per_second(&ss) / 20; /* 50 ms */ - if (u->block_size <= 0) - u->block_size = pa_frame_size(&ss); - - if (!u->automatic) { - const char*split_state; - char *n = NULL; - pa_assert(slaves); - - /* The master and slaves have been specified manually */ - - if (!(u->master = output_new(u, master_sink))) { - pa_log("Failed to create master sink input on sink '%s'.", master_sink->name); - goto fail; - } - - split_state = NULL; - while ((n = pa_split(slaves, ",", &split_state))) { - pa_sink *slave_sink; - - if (!(slave_sink = pa_namereg_get(m->core, n, PA_NAMEREG_SINK, 1)) || slave_sink == u->sink) { - pa_log("Invalid slave sink '%s'", n); - pa_xfree(n); - goto fail; - } - - pa_xfree(n); + pa_log_warn("We will now load module-combine-sink. Please make sure to remove module-combine from your configuration."); - if (!output_new(u, slave_sink)) { - pa_log("Failed to create slave sink input on sink '%s'.", slave_sink->name); - goto fail; - } - } + module = pa_module_load(m->core, "module-combine-sink", m->argument); + u->module_index = module ? module->index : PA_INVALID_INDEX; - if (pa_idxset_size(u->outputs) <= 1) - pa_log_warn("No slave sinks specified."); - - u->sink_new_slot = NULL; - - } else { - pa_sink *s; - - /* We're in automatic mode, we elect one hw sink to the master - * and attach all other hw sinks as slaves to it */ - - for (s = pa_idxset_first(m->core->sinks, &idx); s; s = pa_idxset_next(m->core->sinks, &idx)) { - - if (!(s->flags & PA_SINK_HARDWARE) || s == u->sink) - continue; - - if (!output_new(u, s)) { - pa_log("Failed to create sink input on sink '%s'.", s->name); - goto fail; - } - } - - u->sink_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_NEW_POST], (pa_hook_cb_t) sink_new_hook_cb, u); - } - - u->sink_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_UNLINK], (pa_hook_cb_t) sink_unlink_hook_cb, u); - u->sink_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], (pa_hook_cb_t) sink_state_changed_hook_cb, u); - - pick_master(u, NULL); - - if (!(u->thread = pa_thread_new(thread_func, u))) { - pa_log("Failed to create thread."); - goto fail; - } - - /* Activate the sink and the sink inputs */ - pa_sink_put(u->sink); - - for (o = pa_idxset_first(u->outputs, &idx); o; o = pa_idxset_next(u->outputs, &idx)) - if (o->sink_input) - pa_sink_input_put(o->sink_input); - - if (u->adjust_time > 0) { - struct timeval tv; - pa_gettimeofday(&tv); - tv.tv_sec += u->adjust_time; - u->time_event = m->core->mainloop->time_new(m->core->mainloop, &tv, time_callback, u); - } - - pa_modargs_free(ma); - - return 0; - -fail: - - if (ma) - pa_modargs_free(ma); - - pa__done(m); - - return -1; -} - -static void output_free(struct output *o) { - pa_assert(o); - - pick_master(o->userdata, o); - - disable_output(o); - - pa_assert_se(pa_idxset_remove_by_data(o->userdata->outputs, o, NULL)); - - update_description(o->userdata); - - if (o->inq_rtpoll_item) - pa_rtpoll_item_free(o->inq_rtpoll_item); - - if (o->outq_rtpoll_item) - pa_rtpoll_item_free(o->outq_rtpoll_item); - - if (o->inq) - pa_asyncmsgq_unref(o->inq); - - if (o->outq) - pa_asyncmsgq_unref(o->outq); - - if (o->memblockq) - pa_memblockq_free(o->memblockq); - - pa_xfree(o); + return module ? 0 : -1; } void pa__done(pa_module*m) { struct userdata *u; - struct output *o; pa_assert(m); + pa_assert(m->userdata); - if (!(u = m->userdata)) - return; - - if (u->sink_new_slot) - pa_hook_slot_free(u->sink_new_slot); - - if (u->sink_unlink_slot) - pa_hook_slot_free(u->sink_unlink_slot); - - if (u->sink_state_changed_slot) - pa_hook_slot_free(u->sink_state_changed_slot); - - if (u->outputs) { - while ((o = pa_idxset_first(u->outputs, NULL))) - output_free(o); - - pa_idxset_free(u->outputs, NULL, NULL); - } - - 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); + u = m->userdata; - if (u->time_event) - u->core->mainloop->time_free(u->time_event); + if (u && PA_INVALID_INDEX != u->module_index) + pa_module_unload_by_index(m->core, u->module_index, true); pa_xfree(u); }