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/utf8.h>
#include <pulse/xmalloc.h>
+#include <pulse/util.h>
#include <pulsecore/sample-util.h>
#include <pulsecore/core-subscribe.h>
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 */
-pa_source_output* pa_source_output_new(
+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 *o;
pa_resampler *resampler = NULL;
char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
+ int r;
+ pa_assert(_o);
pa_assert(core);
pa_assert(data);
+ pa_assert_ctl_context();
- if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_NEW], data) < 0)
- return NULL;
+ if (data->client)
+ pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->client->proplist);
- pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
+ if ((r = pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_NEW], data)) < 0)
+ return r;
- if (!data->source)
- data->source = pa_namereg_get(core, NULL, PA_NAMEREG_SOURCE, TRUE);
+ pa_return_val_if_fail(!data->driver || pa_utf8_valid(data->driver), -PA_ERR_INVALID);
- pa_return_null_if_fail(data->source);
- pa_return_null_if_fail(pa_source_get_state(data->source) != PA_SOURCE_UNLINKED);
+ if (!data->source) {
+ data->source = pa_namereg_get(core, NULL, PA_NAMEREG_SOURCE);
+ data->save_source = FALSE;
+ }
- pa_return_null_if_fail(!data->direct_on_input || data->direct_on_input->sink == data->source->monitor_of);
+ 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);
if (!data->sample_spec_is_set)
data->sample_spec = data->source->sample_spec;
- pa_return_null_if_fail(pa_sample_spec_valid(&data->sample_spec));
+ pa_return_val_if_fail(pa_sample_spec_valid(&data->sample_spec), -PA_ERR_INVALID);
if (!data->channel_map_is_set) {
if (pa_channel_map_compatible(&data->source->channel_map, &data->sample_spec))
pa_channel_map_init_extend(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT);
}
- pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
- pa_return_null_if_fail(pa_channel_map_compatible(&data->channel_map, &data->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)
data->sample_spec.format = data->source->sample_spec.format;
if (data->resample_method == PA_RESAMPLER_INVALID)
data->resample_method = core->resample_method;
- pa_return_null_if_fail(data->resample_method < PA_RESAMPLER_MAX);
+ pa_return_val_if_fail(data->resample_method < PA_RESAMPLER_MAX, -PA_ERR_INVALID);
+
+ if ((r = pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE], data)) < 0)
+ return r;
- if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE], data) < 0)
- return NULL;
+ if ((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 NULL;
+ return -PA_ERR_TOOLARGE;
}
if ((flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ||
(core->disable_remixing || (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 NULL;
+ return -PA_ERR_NOTSUPPORTED;
}
-
- data->resample_method = pa_resampler_get_method(resampler);
}
o = pa_msgobject_new(pa_source_output);
o->state = PA_SOURCE_OUTPUT_INIT;
o->flags = flags;
o->proplist = pa_proplist_copy(data->proplist);
- o->driver = pa_xstrdup(data->driver);
+ o->driver = pa_xstrdup(pa_path_get_filename(data->driver));
o->module = data->module;
o->source = data->source;
o->client = data->client;
- o->resample_method = data->resample_method;
+ o->actual_resample_method = resampler ? pa_resampler_get_method(resampler) : PA_RESAMPLER_INVALID;
+ o->requested_resample_method = data->resample_method;
o->sample_spec = data->sample_spec;
o->channel_map = data->channel_map;
o->direct_on_input = data->direct_on_input;
+ o->save_source = data->save_source;
+
reset_callbacks(o);
o->userdata = NULL;
pa_assert_se(pa_idxset_put(core->source_outputs, o, &o->index) == 0);
pa_assert_se(pa_idxset_put(o->source->outputs, pa_source_output_ref(o), NULL) == 0);
+ if (o->client)
+ pa_assert_se(pa_idxset_put(o->client->source_outputs, o, NULL) >= 0);
+
if (o->direct_on_input)
pa_assert_se(pa_idxset_put(o->direct_on_input->direct_outputs, o, NULL) == 0);
/* Don't forget to call pa_source_output_put! */
- return o;
+ *_o = o;
+ return 0;
}
/* 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;
if (o->state == PA_SOURCE_OUTPUT_CORKED && state != PA_SOURCE_OUTPUT_CORKED)
pa_assert_se(o->source->n_corked -- >= 1);
else if (o->state != PA_SOURCE_OUTPUT_CORKED && state == PA_SOURCE_OUTPUT_CORKED)
o->source->n_corked++;
-
- pa_source_update_status(o->source);
}
/* Called from main context */
-static int source_output_set_state(pa_source_output *o, pa_source_output_state_t state) {
+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 0;
+ return;
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) == 0);
o->state = state;
if (state != PA_SOURCE_OUTPUT_UNLINKED)
- pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED], o);
+ pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED], o);
- return 0;
+ pa_source_update_status(o->source);
}
/* Called from main context */
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 */
linked = PA_SOURCE_OUTPUT_IS_LINKED(o->state);
if (linked)
- pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK], o);
+ pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK], o);
if (o->direct_on_input)
pa_idxset_remove_by_data(o->direct_on_input->direct_outputs, o, NULL);
- pa_idxset_remove_by_data(o->source->core->source_outputs, o, NULL);
- if (pa_idxset_remove_by_data(o->source->outputs, o, NULL))
- pa_source_output_unref(o);
+
+ pa_idxset_remove_by_data(o->core->source_outputs, o, NULL);
+
+ if (o->source)
+ if (pa_idxset_remove_by_data(o->source->outputs, o, NULL))
+ pa_source_output_unref(o);
+
+ if (o->client)
+ pa_idxset_remove_by_data(o->client->source_outputs, o, NULL);
update_n_corked(o, PA_SOURCE_OUTPUT_UNLINKED);
o->state = PA_SOURCE_OUTPUT_UNLINKED;
- if (linked)
+ if (linked && o->source)
if (o->source->asyncmsgq)
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL) == 0);
reset_callbacks(o);
if (linked) {
- pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index);
- pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST], o);
+ pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index);
+ pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST], o);
}
- o->source = NULL;
+ if (o->source) {
+ pa_source_update_status(o->source);
+ 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))
/* 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);
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0);
- pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_NEW, o->index);
- pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PUT], o);
+ pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_NEW, o->index);
+ pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PUT], o);
+
+ pa_source_update_status(o->source);
}
/* 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 */
- o->thread_info.requested_source_latency = usec;
+ if (o->source) {
+ if (!(o->source->flags & PA_SOURCE_DYNAMIC_LATENCY))
+ usec = pa_source_get_fixed_latency(o->source);
+
+ 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, -1);
+ pa_return_val_if_fail(o->thread_info.resampler, -PA_ERR_BADSTATE);
if (o->sample_spec.rate == rate)
return 0;
pa_asyncmsgq_post(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_RATE, PA_UINT_TO_PTR(rate), 0, NULL, NULL);
- pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
+ 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_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))
pa_proplist_unset(o->proplist, PA_PROP_MEDIA_NAME);
if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) {
- pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PROPLIST_CHANGED], o);
- pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
+ 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 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_ctl_context();
+
+ if (p)
+ pa_proplist_update(o->proplist, mode, p);
+
+ 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->resample_method;
+ return o->actual_resample_method;
}
/* Called from main context */
-int pa_source_output_move_to(pa_source_output *o, pa_source *dest) {
- pa_source *origin;
- pa_resampler *new_resampler;
- pa_source_output_move_hook_data hook_data;
+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)
+ return FALSE;
+
+ if (o->direct_on_input)
+ return FALSE;
+
+ return TRUE;
+}
+
+/* Called from main context */
+pa_bool_t pa_source_output_may_move_to(pa_source_output *o, pa_source *dest) {
pa_source_output_assert_ref(o);
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
pa_source_assert_ref(dest);
+ if (dest == o->source)
+ return TRUE;
+
+ if (!pa_source_output_may_move(o))
+ return FALSE;
+
+ if (pa_idxset_size(dest->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) {
+ pa_log_warn("Failed to move source output: too many outputs per source.");
+ return FALSE;
+ }
+
+ if (o->may_move_to)
+ if (!o->may_move_to(o, dest))
+ return FALSE;
+
+ return TRUE;
+}
+
+/* Called from main context */
+int pa_source_output_start_move(pa_source_output *o) {
+ pa_source *origin;
+ 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);
+
+ if (!pa_source_output_may_move(o))
+ return -PA_ERR_NOTSUPPORTED;
+
+ if ((r = pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_START], o)) < 0)
+ return r;
+
origin = o->source;
- if (dest == origin)
- return 0;
+ pa_idxset_remove_by_data(o->source->outputs, o, NULL);
- if (o->flags & PA_SOURCE_OUTPUT_DONT_MOVE)
- return -1;
+ if (pa_source_output_get_state(o) == PA_SOURCE_OUTPUT_CORKED)
+ pa_assert_se(origin->n_corked-- >= 1);
- if (o->direct_on_input)
- return -1;
+ pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL) == 0);
- if (pa_idxset_size(dest->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) {
- pa_log_warn("Failed to move source output: too many outputs per source.");
+ pa_source_update_status(o->source);
+ o->source = NULL;
+
+ pa_source_output_unref(o);
+
+ return 0;
+}
+
+/* Called from main context */
+int pa_source_output_finish_move(pa_source_output *o, pa_source *dest, pa_bool_t save) {
+ 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);
+
+ if (!pa_source_output_may_move_to(o, dest))
return -1;
- }
if (o->thread_info.resampler &&
- pa_sample_spec_equal(&origin->sample_spec, &dest->sample_spec) &&
- pa_channel_map_equal(&origin->channel_map, &dest->channel_map))
+ pa_sample_spec_equal(pa_resampler_input_sample_spec(o->thread_info.resampler), &dest->sample_spec) &&
+ pa_channel_map_equal(pa_resampler_input_channel_map(o->thread_info.resampler), &dest->channel_map))
/* Try to reuse the old resampler if possible */
new_resampler = o->thread_info.resampler;
/* Okey, we need a new resampler for the new source */
if (!(new_resampler = pa_resampler_new(
- dest->core->mempool,
+ o->core->mempool,
&dest->sample_spec, &dest->channel_map,
&o->sample_spec, &o->channel_map,
- o->resample_method,
+ o->requested_resample_method,
((o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) |
((o->flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) |
(o->core->disable_remixing || (o->flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0)))) {
pa_log_warn("Unsupported resampling operation.");
- return -1;
+ return -PA_ERR_NOTSUPPORTED;
}
} else
new_resampler = NULL;
- hook_data.source_output = o;
- hook_data.destination = dest;
- pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE], &hook_data);
+ if (o->moving)
+ o->moving(o, dest);
- /* Okey, let's move it */
- pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL) == 0);
-
- pa_idxset_remove_by_data(origin->outputs, o, NULL);
- pa_idxset_put(dest->outputs, o, NULL);
o->source = dest;
+ o->save_source = save;
+ pa_idxset_put(o->source->outputs, pa_source_output_ref(o), NULL);
- if (pa_source_output_get_state(o) == PA_SOURCE_OUTPUT_CORKED) {
- pa_assert_se(origin->n_corked-- >= 1);
- dest->n_corked++;
- }
+ if (pa_source_output_get_state(o) == PA_SOURCE_OUTPUT_CORKED)
+ o->source->n_corked++;
/* Replace resampler */
if (new_resampler != o->thread_info.resampler) {
&o->source->silence);
}
- pa_source_update_status(origin);
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);
- if (o->moved)
- o->moved(o);
+ pa_log_debug("Successfully moved source output %i to %s.", o->index, dest->name);
+
+ /* Notify everyone */
+ 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);
- pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_POST], o);
+ return 0;
+}
- pa_log_debug("Successfully moved source output %i from %s to %s.", o->index, origin->name, dest->name);
+/* Called from main context */
+void pa_source_output_fail_move(pa_source_output *o) {
- /* Notify everyone */
- pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
+ 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 (dest == o->source)
+ return 0;
+
+ if (!pa_source_output_may_move_to(o, dest))
+ return -PA_ERR_NOTSUPPORTED;
+
+ 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) {
+ 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 -1;
+ 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);
}