/***
This file is part of PulseAudio.
- Copyright 2004-2008 Lennart Poettering
+ Copyright 2004-2009 Lennart Poettering
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
#include <pulse/xmalloc.h>
-#include <pulsecore/core-error.h>
#include <pulsecore/namereg.h>
#include <pulsecore/sink.h>
#include <pulsecore/module.h>
#include <pulsecore/core-util.h>
#include <pulsecore/modargs.h>
#include <pulsecore/log.h>
-#include <pulsecore/thread.h>
-#include <pulsecore/thread-mq.h>
#include <pulsecore/rtpoll.h>
#include "module-remap-sink-symdef.h"
PA_MODULE_LOAD_ONCE(FALSE);
PA_MODULE_USAGE(
"sink_name=<name for the sink> "
+ "sink_properties=<properties for the sink> "
"master=<name of sink to remap> "
"master_channel_map=<channel map> "
"format=<sample format> "
- "channels=<number of channels> "
"rate=<sample rate> "
+ "channels=<number of channels> "
"channel_map=<channel map> "
"remix=<remix channels?>");
struct userdata {
- pa_core *core;
pa_module *module;
- pa_sink *sink, *master;
+ pa_sink *sink;
pa_sink_input *sink_input;
+
+ pa_bool_t auto_desc;
};
static const char* const valid_modargs[] = {
"sink_name",
+ "sink_properties",
"master",
"master_channel_map",
- "rate",
"format",
+ "rate",
"channels",
"channel_map",
"remix",
switch (code) {
- case PA_SINK_MESSAGE_GET_LATENCY: {
- pa_usec_t usec = 0;
+ case PA_SINK_MESSAGE_GET_LATENCY:
- /* Get the latency of the master sink */
- if (PA_MSGOBJECT(u->master)->process_msg(PA_MSGOBJECT(u->master), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
- usec = 0;
+ /* The sink is _put() before the sink input is, so let's
+ * make sure we don't access it yet */
+ if (!PA_SINK_IS_LINKED(u->sink->thread_info.state) ||
+ !PA_SINK_INPUT_IS_LINKED(u->sink_input->thread_info.state)) {
+ *((pa_usec_t*) data) = 0;
+ return 0;
+ }
- /* Add the latency internal to our sink input on top */
- usec += pa_bytes_to_usec(pa_memblockq_get_length(u->sink_input->thread_info.render_memblockq), &u->master->sample_spec);
+ *((pa_usec_t*) data) =
+ /* Get the latency of the master sink */
+ pa_sink_get_latency_within_thread(u->sink_input->sink) +
+
+ /* Add the latency internal to our sink input on top */
+ pa_bytes_to_usec(pa_memblockq_get_length(u->sink_input->thread_info.render_memblockq), &u->sink_input->sink->sample_spec);
- *((pa_usec_t*) data) = usec;
return 0;
- }
}
return pa_sink_process_msg(o, code, data, offset, chunk);
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
- if (PA_SINK_IS_LINKED(state) &&
- u->sink_input &&
- PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u->sink_input)))
-
- pa_sink_input_cork(u->sink_input, state == PA_SINK_SUSPENDED);
+ if (!PA_SINK_IS_LINKED(state) ||
+ !PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u->sink_input)))
+ return 0;
+ pa_sink_input_cork(u->sink_input, state == PA_SINK_SUSPENDED);
return 0;
}
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
+ if (!PA_SINK_IS_LINKED(u->sink->thread_info.state) ||
+ !PA_SINK_INPUT_IS_LINKED(u->sink_input->thread_info.state))
+ return;
+
pa_sink_input_request_rewind(u->sink_input, s->thread_info.rewind_nbytes, TRUE, FALSE, FALSE);
}
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
+ if (!PA_SINK_IS_LINKED(u->sink->thread_info.state) ||
+ !PA_SINK_INPUT_IS_LINKED(u->sink_input->thread_info.state))
+ return;
+
/* Just hand this one over to the master sink */
pa_sink_input_set_requested_latency_within_thread(
u->sink_input,
pa_assert(chunk);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_OPENED(u->sink->thread_info.state))
- return -1;
+ /* Hmm, process any rewind request that might be queued up */
+ pa_sink_process_rewind(u->sink, 0);
pa_sink_render(u->sink, nbytes, chunk);
return 0;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_OPENED(u->sink->thread_info.state))
- return;
-
if (u->sink->thread_info.rewind_nbytes > 0) {
amount = PA_MIN(u->sink->thread_info.rewind_nbytes, nbytes);
u->sink->thread_info.rewind_nbytes = 0;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
-
- pa_sink_set_max_rewind(u->sink, nbytes);
+ pa_sink_set_max_rewind_within_thread(u->sink, nbytes);
}
/* Called from I/O thread context */
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
-
- pa_sink_set_max_request(u->sink, nbytes);
+ pa_sink_set_max_request_within_thread(u->sink, nbytes);
}
/* Called from I/O thread context */
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
+ pa_sink_set_latency_range_within_thread(u->sink, i->sink->thread_info.min_latency, i->sink->thread_info.max_latency);
+}
+
+/* Called from I/O thread context */
+static void sink_input_update_sink_fixed_latency_cb(pa_sink_input *i) {
+ struct userdata *u;
- pa_sink_update_latency_range(u->sink, i->sink->thread_info.min_latency, i->sink->thread_info.max_latency);
+ pa_sink_input_assert_ref(i);
+ pa_assert_se(u = i->userdata);
+
+ pa_sink_set_fixed_latency_within_thread(u->sink, i->sink->thread_info.fixed_latency);
}
/* Called from I/O thread context */
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
-
pa_sink_detach_within_thread(u->sink);
- pa_sink_set_asyncmsgq(u->sink, NULL);
+
pa_sink_set_rtpoll(u->sink, NULL);
}
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
+ pa_sink_set_rtpoll(u->sink, i->sink->thread_info.rtpoll);
+ pa_sink_set_latency_range_within_thread(u->sink, i->sink->thread_info.min_latency, i->sink->thread_info.max_latency);
+ pa_sink_set_fixed_latency_within_thread(u->sink, i->sink->thread_info.fixed_latency);
+ pa_sink_set_max_request_within_thread(u->sink, pa_sink_input_get_max_request(i));
+ pa_sink_set_max_rewind_within_thread(u->sink, pa_sink_input_get_max_rewind(i));
- pa_sink_set_asyncmsgq(u->sink, i->sink->asyncmsgq);
- pa_sink_set_rtpoll(u->sink, i->sink->rtpoll);
pa_sink_attach_within_thread(u->sink);
-
- pa_sink_update_latency_range(u->sink, u->master->thread_info.min_latency, u->master->thread_info.max_latency);
}
/* Called from main context */
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- pa_sink_unlink(u->sink);
+ /* The order here matters! We first kill the sink input, followed
+ * by the sink. That means the sink callbacks must be protected
+ * against an unconnected sink input! */
pa_sink_input_unlink(u->sink_input);
+ pa_sink_unlink(u->sink);
- pa_sink_unref(u->sink);
- u->sink = NULL;
pa_sink_input_unref(u->sink_input);
u->sink_input = NULL;
+ pa_sink_unref(u->sink);
+ u->sink = NULL;
+
pa_module_unload_request(u->module, TRUE);
}
return u->sink != dest;
}
+/* Called from main context */
+static void sink_input_moving_cb(pa_sink_input *i, pa_sink *dest) {
+ struct userdata *u;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert_se(u = i->userdata);
+
+ if (dest) {
+ pa_sink_set_asyncmsgq(u->sink, dest->asyncmsgq);
+ pa_sink_update_flags(u->sink, PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY, dest->flags);
+ } else
+ pa_sink_set_asyncmsgq(u->sink, NULL);
+
+ if (u->auto_desc && dest) {
+ const char *k;
+ pa_proplist *pl;
+
+ pl = pa_proplist_new();
+ k = pa_proplist_gets(dest->proplist, PA_PROP_DEVICE_DESCRIPTION);
+ pa_proplist_setf(pl, PA_PROP_DEVICE_DESCRIPTION, "Remapped %s", k ? k : dest->name);
+
+ pa_sink_update_proplist(u->sink, PA_UPDATE_REPLACE, pl);
+ pa_proplist_free(pl);
+ }
+}
+
int pa__init(pa_module*m) {
struct userdata *u;
pa_sample_spec ss;
pa_channel_map sink_map, stream_map;
pa_modargs *ma;
- const char *k;
pa_sink *master;
pa_sink_input_new_data sink_input_data;
pa_sink_new_data sink_data;
}
u = pa_xnew0(struct userdata, 1);
- u->core = m->core;
u->module = m;
m->userdata = u;
- u->master = master;
- u->sink = NULL;
- u->sink_input = NULL;
/* Create sink */
pa_sink_new_data_init(&sink_data);
sink_data.name = pa_sprintf_malloc("%s.remapped", master->name);
pa_sink_new_data_set_sample_spec(&sink_data, &ss);
pa_sink_new_data_set_channel_map(&sink_data, &sink_map);
- k = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION);
- pa_proplist_setf(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Remapped %s", k ? k : master->name);
pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_MASTER_DEVICE, master->name);
pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_CLASS, "filter");
- u->sink = pa_sink_new(m->core, &sink_data, PA_SINK_LATENCY);
+ if (pa_modargs_get_proplist(ma, "sink_properties", sink_data.proplist, PA_UPDATE_REPLACE) < 0) {
+ pa_log("Invalid properties");
+ pa_sink_new_data_done(&sink_data);
+ goto fail;
+ }
+
+ if ((u->auto_desc = !pa_proplist_contains(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION))) {
+ const char *k;
+
+ k = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION);
+ pa_proplist_setf(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Remapped %s", k ? k : master->name);
+ }
+
+ u->sink = pa_sink_new(m->core, &sink_data, master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY));
pa_sink_new_data_done(&sink_data);
if (!u->sink) {
u->sink->userdata = u;
pa_sink_set_asyncmsgq(u->sink, master->asyncmsgq);
- pa_sink_set_rtpoll(u->sink, master->rtpoll);
/* Create sink input */
pa_sink_input_new_data_init(&sink_input_data);
sink_input_data.driver = __FILE__;
sink_input_data.module = m;
- sink_input_data.sink = u->master;
+ pa_sink_input_new_data_set_sink(&sink_input_data, master, FALSE);
+ sink_input_data.origin_sink = u->sink;
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_NAME, "Remapped Stream");
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, "filter");
pa_sink_input_new_data_set_sample_spec(&sink_input_data, &ss);
pa_sink_input_new_data_set_channel_map(&sink_input_data, &stream_map);
+ sink_input_data.flags = (remix ? 0 : PA_SINK_INPUT_NO_REMIX);
- pa_sink_input_new(&u->sink_input, m->core, &sink_input_data, PA_SINK_INPUT_DONT_MOVE | (remix ? 0 : PA_SINK_INPUT_NO_REMIX));
+ 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)
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->update_sink_latency_range = sink_input_update_sink_latency_range_cb;
+ u->sink_input->update_sink_fixed_latency = sink_input_update_sink_fixed_latency_cb;
u->sink_input->attach = sink_input_attach_cb;
u->sink_input->detach = sink_input_detach_cb;
u->sink_input->kill = sink_input_kill_cb;
u->sink_input->state_change = sink_input_state_change_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;
+ u->sink->input_to_master = u->sink_input;
+
pa_sink_put(u->sink);
pa_sink_input_put(u->sink_input);
if (!(u = m->userdata))
return;
- if (u->sink) {
- pa_sink_unlink(u->sink);
- pa_sink_unref(u->sink);
- }
+ /* See comments in sink_input_kill_cb() above regarding
+ * destruction order! */
- if (u->sink_input) {
+ if (u->sink_input)
pa_sink_input_unlink(u->sink_input);
+
+ if (u->sink)
+ pa_sink_unlink(u->sink);
+
+ if (u->sink_input)
pa_sink_input_unref(u->sink_input);
- }
+
+ if (u->sink)
+ pa_sink_unref(u->sink);
pa_xfree(u);
}