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
#define MEMBLOCKQ_MAXLENGTH (32*1024*1024)
-static PA_DEFINE_CHECK_TYPE(pa_source_output, pa_msgobject);
+PA_DEFINE_PUBLIC_CLASS(pa_source_output, pa_msgobject);
static void source_output_free(pa_object* mo);
pa_source_output_new_data* pa_source_output_new_data_init(pa_source_output_new_data *data) {
pa_assert(data);
- memset(data, 0, sizeof(*data));
+ pa_zero(*data);
data->resample_method = PA_RESAMPLER_INVALID;
data->proplist = pa_proplist_new();
o->update_max_rewind = NULL;
o->update_source_requested_latency = NULL;
o->update_source_latency_range = NULL;
+ o->update_source_fixed_latency = NULL;
o->attach = NULL;
o->detach = NULL;
o->suspend = NULL;
- o->moved = NULL;
+ o->suspend_within_thread = NULL;
+ o->moving = NULL;
o->kill = NULL;
o->get_latency = NULL;
o->state_change = NULL;
o->may_move_to = NULL;
+ o->send_event = NULL;
}
/* Called from main context */
int pa_source_output_new(
pa_source_output**_o,
pa_core *core,
- pa_source_output_new_data *data,
- pa_source_output_flags_t flags) {
+ pa_source_output_new_data *data) {
pa_source_output *o;
pa_resampler *resampler = NULL;
char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
int r;
+ char *pt;
pa_assert(_o);
pa_assert(core);
pa_assert(data);
+ pa_assert_ctl_context();
if (data->client)
pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->client->proplist);
pa_return_val_if_fail(data->source, -PA_ERR_NOENTITY);
pa_return_val_if_fail(PA_SOURCE_IS_LINKED(pa_source_get_state(data->source)), -PA_ERR_BADSTATE);
pa_return_val_if_fail(!data->direct_on_input || data->direct_on_input->sink == data->source->monitor_of, -PA_ERR_INVALID);
- pa_return_val_if_fail(!(flags & PA_SOURCE_OUTPUT_FAIL_ON_SUSPEND) || pa_source_get_state(data->source) != PA_SOURCE_SUSPENDED, -PA_ERR_BADSTATE);
if (!data->sample_spec_is_set)
data->sample_spec = data->source->sample_spec;
pa_return_val_if_fail(pa_channel_map_valid(&data->channel_map), -PA_ERR_INVALID);
pa_return_val_if_fail(pa_channel_map_compatible(&data->channel_map, &data->sample_spec), -PA_ERR_INVALID);
- if (flags & PA_SOURCE_OUTPUT_FIX_FORMAT)
+ if (data->flags & PA_SOURCE_OUTPUT_FIX_FORMAT)
data->sample_spec.format = data->source->sample_spec.format;
- if (flags & PA_SOURCE_OUTPUT_FIX_RATE)
+ if (data->flags & PA_SOURCE_OUTPUT_FIX_RATE)
data->sample_spec.rate = data->source->sample_spec.rate;
- if (flags & PA_SOURCE_OUTPUT_FIX_CHANNELS) {
+ if (data->flags & PA_SOURCE_OUTPUT_FIX_CHANNELS) {
data->sample_spec.channels = data->source->sample_spec.channels;
data->channel_map = data->source->channel_map;
}
if ((r = pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE], data)) < 0)
return r;
+ if ((data->flags & PA_SOURCE_OUTPUT_NO_CREATE_ON_SUSPEND) &&
+ pa_source_get_state(data->source) == PA_SOURCE_SUSPENDED) {
+ pa_log("Failed to create source output: source is suspended.");
+ return -PA_ERR_BADSTATE;
+ }
+
if (pa_idxset_size(data->source->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) {
pa_log("Failed to create source output: too many outputs per source.");
return -PA_ERR_TOOLARGE;
}
- if ((flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ||
+ if ((data->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ||
!pa_sample_spec_equal(&data->sample_spec, &data->source->sample_spec) ||
!pa_channel_map_equal(&data->channel_map, &data->source->channel_map)) {
&data->source->sample_spec, &data->source->channel_map,
&data->sample_spec, &data->channel_map,
data->resample_method,
- ((flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) |
- ((flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) |
- (core->disable_remixing || (flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0) |
+ ((data->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) |
+ ((data->flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) |
+ (core->disable_remixing || (data->flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0) |
(core->disable_lfe_remixing ? PA_RESAMPLER_NO_LFE : 0)))) {
pa_log_warn("Unsupported resampling operation.");
return -PA_ERR_NOTSUPPORTED;
o->core = core;
o->state = PA_SOURCE_OUTPUT_INIT;
- o->flags = flags;
+ o->flags = data->flags;
o->proplist = pa_proplist_copy(data->proplist);
o->driver = pa_xstrdup(pa_path_get_filename(data->driver));
o->module = data->module;
o->source = data->source;
+ o->destination_source = data->destination_source;
o->client = data->client;
o->actual_resample_method = resampler ? pa_resampler_get_method(resampler) : PA_RESAMPLER_INVALID;
if (o->direct_on_input)
pa_assert_se(pa_idxset_put(o->direct_on_input->direct_outputs, o, NULL) == 0);
- pa_log_info("Created output %u \"%s\" on %s with sample spec %s and channel map %s",
+ pt = pa_proplist_to_string_sep(o->proplist, "\n ");
+ pa_log_info("Created output %u \"%s\" on %s with sample spec %s and channel map %s\n %s",
o->index,
pa_strnull(pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME)),
o->source->name,
pa_sample_spec_snprint(st, sizeof(st), &o->sample_spec),
- pa_channel_map_snprint(cm, sizeof(cm), &o->channel_map));
+ pa_channel_map_snprint(cm, sizeof(cm), &o->channel_map),
+ pt);
+ pa_xfree(pt);
/* Don't forget to call pa_source_output_put! */
/* Called from main context */
static void update_n_corked(pa_source_output *o, pa_source_output_state_t state) {
pa_assert(o);
+ pa_assert_ctl_context();
if (!o->source)
return;
/* Called from main context */
static void source_output_set_state(pa_source_output *o, pa_source_output_state_t state) {
pa_assert(o);
+ pa_assert_ctl_context();
if (o->state == state)
return;
update_n_corked(o, state);
o->state = state;
- if (state != PA_SOURCE_OUTPUT_UNLINKED)
+ if (state != PA_SOURCE_OUTPUT_UNLINKED) {
pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED], o);
+ if (PA_SOURCE_OUTPUT_IS_LINKED(state))
+ pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
+ }
+
pa_source_update_status(o->source);
}
void pa_source_output_unlink(pa_source_output*o) {
pa_bool_t linked;
pa_assert(o);
+ pa_assert_ctl_context();
/* See pa_sink_unlink() for a couple of comments how this function
* works */
o->source = NULL;
}
+ pa_core_maybe_vacuum(o->core);
+
pa_source_output_unref(o);
}
pa_source_output *o = PA_SOURCE_OUTPUT(mo);
pa_assert(o);
+ pa_assert_ctl_context();
pa_assert(pa_source_output_refcnt(o) == 0);
if (PA_SOURCE_OUTPUT_IS_LINKED(o->state))
pa_log_info("Freeing output %u \"%s\"", o->index, pa_strnull(pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME)));
- pa_assert(!o->thread_info.attached);
-
if (o->thread_info.delay_memblockq)
pa_memblockq_free(o->thread_info.delay_memblockq);
/* Called from main context */
void pa_source_output_put(pa_source_output *o) {
pa_source_output_state_t state;
+
pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
pa_assert(o->state == PA_SOURCE_OUTPUT_INIT);
/* Called from main context */
void pa_source_output_kill(pa_source_output*o) {
pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
o->kill(o);
pa_usec_t r[2] = { 0, 0 };
pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY, r, 0, NULL) == 0);
size_t limit, mbs = 0;
pa_source_output_assert_ref(o);
+ pa_source_output_assert_io_context(o);
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state));
pa_assert(chunk);
pa_assert(pa_frame_aligned(chunk->length, &o->source->sample_spec));
if (pa_memblockq_push(o->thread_info.delay_memblockq, chunk) < 0) {
pa_log_debug("Delay queue overflow!");
- pa_memblockq_seek(o->thread_info.delay_memblockq, (int64_t) chunk->length, PA_SEEK_RELATIVE);
+ pa_memblockq_seek(o->thread_info.delay_memblockq, (int64_t) chunk->length, PA_SEEK_RELATIVE, TRUE);
}
limit = o->process_rewind ? 0 : o->source->thread_info.max_rewind;
+ if (limit > 0 && o->source->monitor_of) {
+ pa_usec_t latency;
+ size_t n;
+
+ /* Hmm, check the latency for knowing how much of the buffered
+ * data is actually still unplayed and might hence still
+ * change. This is suboptimal. Ideally we'd have a call like
+ * pa_sink_get_changeable_size() or so that tells us how much
+ * of the queued data is actually still changeable. Hence
+ * FIXME! */
+
+ latency = pa_sink_get_latency_within_thread(o->source->monitor_of);
+
+ n = pa_usec_to_bytes(latency, &o->source->sample_spec);
+
+ if (n < limit)
+ limit = n;
+ }
+
/* Implement the delay queue */
while ((length = pa_memblockq_get_length(o->thread_info.delay_memblockq)) > limit) {
pa_memchunk qchunk;
/* Called from thread context */
void pa_source_output_process_rewind(pa_source_output *o, size_t nbytes /* in source sample spec */) {
- pa_source_output_assert_ref(o);
+ pa_source_output_assert_ref(o);
+ pa_source_output_assert_io_context(o);
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state));
pa_assert(pa_frame_aligned(nbytes, &o->source->sample_spec));
pa_memblockq_rewind(o->thread_info.delay_memblockq, nbytes);
}
+/* Called from thread context */
+size_t pa_source_output_get_max_rewind(pa_source_output *o) {
+ pa_source_output_assert_ref(o);
+ pa_source_output_assert_io_context(o);
+
+ return o->thread_info.resampler ? pa_resampler_request(o->thread_info.resampler, o->source->thread_info.max_rewind) : o->source->thread_info.max_rewind;
+}
+
/* Called from thread context */
void pa_source_output_update_max_rewind(pa_source_output *o, size_t nbytes /* in the source's sample spec */) {
pa_source_output_assert_ref(o);
+ pa_source_output_assert_io_context(o);
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state));
pa_assert(pa_frame_aligned(nbytes, &o->source->sample_spec));
o->update_max_rewind(o, o->thread_info.resampler ? pa_resampler_result(o->thread_info.resampler, nbytes) : nbytes);
}
-/* Called from thread context */
-static pa_usec_t fixup_latency(pa_source *s, pa_usec_t usec) {
- pa_source_assert_ref(s);
-
- if (usec == (pa_usec_t) -1)
- return usec;
-
- if (s->thread_info.max_latency > 0 && usec > s->thread_info.max_latency)
- usec = s->thread_info.max_latency;
-
- if (s->thread_info.min_latency > 0 && usec < s->thread_info.min_latency)
- usec = s->thread_info.min_latency;
-
- return usec;
-}
-
/* Called from thread context */
pa_usec_t pa_source_output_set_requested_latency_within_thread(pa_source_output *o, pa_usec_t usec) {
pa_source_output_assert_ref(o);
+ pa_source_output_assert_io_context(o);
+
+ if (!(o->source->flags & PA_SOURCE_DYNAMIC_LATENCY))
+ usec = o->source->thread_info.fixed_latency;
+
+ if (usec != (pa_usec_t) -1)
+ usec = PA_CLAMP(usec, o->source->thread_info.min_latency, o->source->thread_info.max_latency);
- usec = fixup_latency(o->source, usec);
o->thread_info.requested_source_latency = usec;
- pa_source_invalidate_requested_latency(o->source);
+ pa_source_invalidate_requested_latency(o->source, TRUE);
return usec;
}
/* Called from main context */
pa_usec_t pa_source_output_set_requested_latency(pa_source_output *o, pa_usec_t usec) {
pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
- if (PA_SOURCE_OUTPUT_IS_LINKED(o->state))
+ if (PA_SOURCE_OUTPUT_IS_LINKED(o->state) && o->source) {
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
- else
- /* If this source output is not realized yet, we have to touch
- * the thread info data directly */
+ return usec;
+ }
+
+ /* If this source output is not realized yet or is being moved, we
+ * have to touch the thread info data directly */
+
+ if (o->source) {
+ if (!(o->source->flags & PA_SOURCE_DYNAMIC_LATENCY))
+ usec = pa_source_get_fixed_latency(o->source);
- o->thread_info.requested_source_latency = usec;
+ if (usec != (pa_usec_t) -1) {
+ pa_usec_t min_latency, max_latency;
+ pa_source_get_latency_range(o->source, &min_latency, &max_latency);
+ usec = PA_CLAMP(usec, min_latency, max_latency);
+ }
+ }
+
+ o->thread_info.requested_source_latency = usec;
return usec;
}
/* Called from main context */
pa_usec_t pa_source_output_get_requested_latency(pa_source_output *o) {
- pa_usec_t usec = 0;
-
pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
- if (PA_SOURCE_OUTPUT_IS_LINKED(o->state))
+ if (PA_SOURCE_OUTPUT_IS_LINKED(o->state) && o->source) {
+ pa_usec_t usec = 0;
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
- else
- /* If this source output is not realized yet, we have to touch
- * the thread info data directly */
- usec = o->thread_info.requested_source_latency;
+ return usec;
+ }
- return usec;
+ /* If this source output is not realized yet or is being moved, we
+ * have to touch the thread info data directly */
+
+ return o->thread_info.requested_source_latency;
}
/* Called from main context */
void pa_source_output_cork(pa_source_output *o, pa_bool_t b) {
pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
source_output_set_state(o, b ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING);
/* Called from main context */
int pa_source_output_set_rate(pa_source_output *o, uint32_t rate) {
pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
pa_return_val_if_fail(o->thread_info.resampler, -PA_ERR_BADSTATE);
/* Called from main context */
void pa_source_output_set_name(pa_source_output *o, const char *name) {
const char *old;
+ pa_assert_ctl_context();
pa_source_output_assert_ref(o);
if (!name && !pa_proplist_contains(o->proplist, PA_PROP_MEDIA_NAME))
/* Called from main thread */
void pa_source_output_update_proplist(pa_source_output *o, pa_update_mode_t mode, pa_proplist *p) {
pa_source_output_assert_ref(o);
- pa_assert(p);
+ pa_assert_ctl_context();
- pa_proplist_update(o->proplist, mode, p);
+ if (p)
+ pa_proplist_update(o->proplist, mode, p);
- if (PA_SINK_IS_LINKED(o->state)) {
+ if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) {
pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PROPLIST_CHANGED], o);
pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
}
/* Called from main context */
pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o) {
pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
return o->actual_resample_method;
}
/* Called from main context */
pa_bool_t pa_source_output_may_move(pa_source_output *o) {
pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
if (o->flags & PA_SOURCE_OUTPUT_DONT_MOVE)
int r;
pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
pa_assert(o->source);
pa_source_update_status(o->source);
o->source = NULL;
+ pa_source_output_unref(o);
+
return 0;
}
pa_resampler *new_resampler;
pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
pa_assert(!o->source);
pa_source_assert_ref(dest);
} else
new_resampler = NULL;
+ if (o->moving)
+ o->moving(o, dest);
+
o->source = dest;
o->save_source = save;
- pa_idxset_put(o->source->outputs, o, NULL);
+ pa_idxset_put(o->source->outputs, pa_source_output_ref(o), NULL);
if (pa_source_output_get_state(o) == PA_SOURCE_OUTPUT_CORKED)
o->source->n_corked++;
}
pa_source_update_status(dest);
+
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0);
pa_log_debug("Successfully moved source output %i to %s.", o->index, dest->name);
/* Notify everyone */
- if (o->moved)
- o->moved(o);
-
pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FINISH], o);
pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
return 0;
}
+/* Called from main context */
+void pa_source_output_fail_move(pa_source_output *o) {
+
+ pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
+ pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
+ pa_assert(!o->source);
+
+ /* Check if someone wants this source output? */
+ if (pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FAIL], o) == PA_HOOK_STOP)
+ return;
+
+ if (o->moving)
+ o->moving(o, NULL);
+
+ pa_source_output_kill(o);
+}
+
/* Called from main context */
int pa_source_output_move_to(pa_source_output *o, pa_source *dest, pa_bool_t save) {
int r;
pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
pa_assert(o->source);
pa_source_assert_ref(dest);
if (!pa_source_output_may_move_to(o, dest))
return -PA_ERR_NOTSUPPORTED;
- if ((r = pa_source_output_start_move(o)) < 0)
+ pa_source_output_ref(o);
+
+ if ((r = pa_source_output_start_move(o)) < 0) {
+ pa_source_output_unref(o);
return r;
+ }
- if ((r = pa_source_output_finish_move(o, dest, save)) < 0)
+ if ((r = pa_source_output_finish_move(o, dest, save)) < 0) {
+ pa_source_output_fail_move(o);
+ pa_source_output_unref(o);
return r;
+ }
+
+ pa_source_output_unref(o);
return 0;
}
/* Called from IO thread context */
void pa_source_output_set_state_within_thread(pa_source_output *o, pa_source_output_state_t state) {
pa_source_output_assert_ref(o);
+ pa_source_output_assert_io_context(o);
if (state == o->thread_info.state)
return;
case PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY: {
pa_usec_t *r = userdata;
- pa_usec_t source_usec = 0;
r[0] += pa_bytes_to_usec(pa_memblockq_get_length(o->thread_info.delay_memblockq), &o->source->sample_spec);
-
- if (o->source->parent.process_msg(PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_GET_LATENCY, &source_usec, 0, NULL) >= 0)
- r[1] += source_usec;
+ r[1] += pa_source_get_latency_within_thread(o->source);
return 0;
}
return -PA_ERR_NOTIMPLEMENTED;
}
+
+/* Called from main context */
+void pa_source_output_send_event(pa_source_output *o, const char *event, pa_proplist *data) {
+ pa_proplist *pl = NULL;
+ pa_source_output_send_event_hook_data hook_data;
+
+ pa_source_output_assert_ref(o);
+ pa_assert_ctl_context();
+ pa_assert(event);
+
+ if (!o->send_event)
+ return;
+
+ if (!data)
+ data = pl = pa_proplist_new();
+
+ hook_data.source_output = o;
+ hook_data.data = data;
+ hook_data.event = event;
+
+ if (pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_SEND_EVENT], &hook_data) < 0)
+ goto finish;
+
+ o->send_event(o, event, data);
+
+finish:
+ if (pl)
+ pa_proplist_free(pl);
+}