diff options
Diffstat (limited to 'src/modules/module-ladspa-sink.c')
-rw-r--r-- | src/modules/module-ladspa-sink.c | 239 |
1 files changed, 169 insertions, 70 deletions
diff --git a/src/modules/module-ladspa-sink.c b/src/modules/module-ladspa-sink.c index 21f4a8f1..994c778f 100644 --- a/src/modules/module-ladspa-sink.c +++ b/src/modules/module-ladspa-sink.c @@ -64,10 +64,9 @@ PA_MODULE_USAGE( #define MEMBLOCKQ_MAXLENGTH (16*1024*1024) struct userdata { - pa_core *core; pa_module *module; - pa_sink *sink, *master; + pa_sink *sink; pa_sink_input *sink_input; const LADSPA_Descriptor *descriptor; @@ -83,6 +82,8 @@ struct userdata { LADSPA_Data control_out; pa_memblockq *memblockq; + + pa_bool_t auto_desc; }; static const char* const valid_modargs[] = { @@ -100,69 +101,111 @@ static const char* const valid_modargs[] = { }; /* Called from I/O thread context */ -static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) { +static int sink_process_msg_cb(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_GET_LATENCY: { - pa_usec_t usec = 0; + case PA_SINK_MESSAGE_GET_LATENCY: + + /* The sink is _put() before the sink input is, so let's + * make sure we don't access it in that time. Also, the + * sink input is first shut down, the sink second. */ + 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; + } + + *((pa_usec_t*) data) = - /* 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; + /* 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 */ - usec += pa_bytes_to_usec(pa_memblockq_get_length(u->sink_input->thread_info.render_memblockq), &u->master->sample_spec); + /* 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); } /* Called from main context */ -static int sink_set_state(pa_sink *s, pa_sink_state_t state) { +static int sink_set_state_cb(pa_sink *s, pa_sink_state_t state) { struct userdata *u; 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; } /* Called from I/O thread context */ -static void sink_request_rewind(pa_sink *s) { +static void sink_request_rewind_cb(pa_sink *s) { struct userdata *u; 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_request_rewind(u->sink_input, s->thread_info.rewind_nbytes + pa_memblockq_get_length(u->memblockq), TRUE, FALSE, FALSE); } /* Called from I/O thread context */ -static void sink_update_requested_latency(pa_sink *s) { +static void sink_update_requested_latency_cb(pa_sink *s) { struct userdata *u; 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_sink_get_requested_latency_within_thread(s)); } +/* Called from main context */ +static void sink_set_volume_cb(pa_sink *s) { + struct userdata *u; + + pa_sink_assert_ref(s); + pa_assert_se(u = s->userdata); + + if (!PA_SINK_IS_LINKED(pa_sink_get_state(s)) || + !PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u->sink_input))) + return; + + pa_sink_input_set_volume(u->sink_input, &s->real_volume, s->save_volume, TRUE); +} + +/* Called from main context */ +static void sink_set_mute_cb(pa_sink *s) { + struct userdata *u; + + pa_sink_assert_ref(s); + pa_assert_se(u = s->userdata); + + if (!PA_SINK_IS_LINKED(pa_sink_get_state(s)) || + !PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u->sink_input))) + return; + + pa_sink_input_set_mute(u->sink_input, s->muted, s->save_muted); +} + /* Called from I/O thread context */ static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk) { struct userdata *u; @@ -175,8 +218,8 @@ static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk 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); while (pa_memblockq_peek(u->memblockq, &tchunk) < 0) { pa_memchunk nchunk; @@ -225,9 +268,6 @@ static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) { 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) { size_t max_rewrite; @@ -263,9 +303,6 @@ static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) { 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_memblockq_set_maxrewind(u->memblockq, nbytes); pa_sink_set_max_rewind_within_thread(u->sink, nbytes); } @@ -277,9 +314,6 @@ static void sink_input_update_max_request_cb(pa_sink_input *i, size_t nbytes) { 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_within_thread(u->sink, nbytes); } @@ -290,24 +324,28 @@ static void sink_input_update_sink_latency_range_cb(pa_sink_input *i) { 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_detach_cb(pa_sink_input *i) { +static void sink_input_update_sink_fixed_latency_cb(pa_sink_input *i) { struct userdata *u; 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_fixed_latency_within_thread(u->sink, i->sink->thread_info.fixed_latency); +} + +/* Called from I/O thread context */ +static void sink_input_detach_cb(pa_sink_input *i) { + struct userdata *u; + + pa_sink_input_assert_ref(i); + pa_assert_se(u = i->userdata); pa_sink_detach_within_thread(u->sink); - pa_sink_set_asyncmsgq(u->sink, NULL); + pa_sink_set_rtpoll(u->sink, NULL); } @@ -318,14 +356,13 @@ static void sink_input_attach_cb(pa_sink_input *i) { 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_set_latency_range_within_thread(u->sink, u->master->thread_info.min_latency, u->master->thread_info.max_latency); } /* Called from main context */ @@ -335,14 +372,18 @@ static void sink_input_kill_cb(pa_sink_input *i) { 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); } @@ -372,13 +413,59 @@ static pa_bool_t sink_input_may_move_to_cb(pa_sink_input *i, pa_sink *dest) { 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 *z; + pa_proplist *pl; + + pl = pa_proplist_new(); + z = pa_proplist_gets(dest->proplist, PA_PROP_DEVICE_DESCRIPTION); + pa_proplist_setf(pl, PA_PROP_DEVICE_DESCRIPTION, "LADSPA Plugin %s on %s", + pa_proplist_gets(u->sink->proplist, "device.ladspa.name"), z ? z : dest->name); + + pa_sink_update_proplist(u->sink, PA_UPDATE_REPLACE, pl); + pa_proplist_free(pl); + } +} + +/* Called from main context */ +static void sink_input_volume_changed_cb(pa_sink_input *i) { + struct userdata *u; + + pa_sink_input_assert_ref(i); + pa_assert_se(u = i->userdata); + + pa_sink_volume_changed(u->sink, &i->volume); +} + +/* Called from main context */ +static void sink_input_mute_changed_cb(pa_sink_input *i) { + struct userdata *u; + + pa_sink_input_assert_ref(i); + pa_assert_se(u = i->userdata); + + pa_sink_mute_changed(u->sink, i->muted); +} + int pa__init(pa_module*m) { struct userdata *u; pa_sample_spec ss; pa_channel_map map; pa_modargs *ma; char *t; - const char *z; pa_sink *master; pa_sink_input_new_data sink_input_data; pa_sink_new_data sink_data; @@ -392,7 +479,7 @@ int pa__init(pa_module*m) { pa_assert(m); - pa_assert(sizeof(LADSPA_Data) == sizeof(float)); + pa_assert_cc(sizeof(LADSPA_Data) == sizeof(float)); if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { pa_log("Failed to parse module arguments."); @@ -425,12 +512,8 @@ int pa__init(pa_module*m) { cdata = pa_modargs_get_value(ma, "control", NULL); 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; u->memblockq = pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&ss), 1, 1, 0, NULL); if (!(e = getenv("LADSPA_PATH"))) @@ -694,11 +777,8 @@ int pa__init(pa_module*m) { sink_data.module = m; if (!(sink_data.name = pa_xstrdup(pa_modargs_get_value(ma, "sink_name", NULL)))) sink_data.name = pa_sprintf_malloc("%s.ladspa", master->name); - sink_data.namereg_fail = FALSE; pa_sink_new_data_set_sample_spec(&sink_data, &ss); pa_sink_new_data_set_channel_map(&sink_data, &map); - z = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION); - pa_proplist_setf(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "LADSPA Plugin %s on %s", label, z ? z : 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"); pa_proplist_sets(sink_data.proplist, "device.ladspa.module", plugin); @@ -714,7 +794,16 @@ int pa__init(pa_module*m) { goto fail; } - u->sink = pa_sink_new(m->core, &sink_data, PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY); + 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, "LADSPA Plugin %s on %s", d->Name, z ? z : master->name); + } + + u->sink = pa_sink_new(m->core, &sink_data, + PA_SINK_HW_MUTE_CTRL|PA_SINK_HW_VOLUME_CTRL|PA_SINK_DECIBEL_VOLUME| + (master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY))); pa_sink_new_data_done(&sink_data); if (!u->sink) { @@ -722,26 +811,27 @@ int pa__init(pa_module*m) { goto fail; } - u->sink->parent.process_msg = sink_process_msg; - u->sink->set_state = sink_set_state; - u->sink->update_requested_latency = sink_update_requested_latency; - u->sink->request_rewind = sink_request_rewind; + u->sink->parent.process_msg = sink_process_msg_cb; + u->sink->set_state = sink_set_state_cb; + u->sink->update_requested_latency = sink_update_requested_latency_cb; + u->sink->request_rewind = sink_request_rewind_cb; + u->sink->set_volume = sink_set_volume_cb; + u->sink->set_mute = sink_set_mute_cb; 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; + sink_input_data.sink = master; pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_NAME, "LADSPA 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, &map); - pa_sink_input_new(&u->sink_input, m->core, &sink_input_data, 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) @@ -752,11 +842,15 @@ int pa__init(pa_module*m) { 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->kill = sink_input_kill_cb; u->sink_input->attach = sink_input_attach_cb; u->sink_input->detach = sink_input_detach_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->volume_changed = sink_input_volume_changed_cb; + u->sink_input->mute_changed = sink_input_mute_changed_cb; u->sink_input->userdata = u; pa_sink_put(u->sink); @@ -797,15 +891,20 @@ void pa__done(pa_module*m) { 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); for (c = 0; c < u->channels; c++) if (u->handle[c]) { |