1 /*-*- Mode: C; c-basic-offset: 2 -*-*/
3 /* GStreamer pulseaudio plugin
5 * Copyright (c) 2004-2008 Lennart Poettering
8 * gst-pulse is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU Lesser General Public License as
10 * published by the Free Software Foundation; either version 2.1 of the
11 * License, or (at your option) any later version.
13 * gst-pulse is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with gst-pulse; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
25 * SECTION:element-pulsesink
26 * @see_also: pulsesrc, pulsemixer
28 * This element outputs audio to a
29 * <ulink href="http://www.pulseaudio.org">PulseAudio sound server</ulink>.
32 * <title>Example pipelines</title>
34 * gst-launch -v filesrc location=sine.ogg ! oggdemux ! vorbisdec ! audioconvert ! audioresample ! pulsesink
35 * ]| Play an Ogg/Vorbis file.
37 * gst-launch -v audiotestsrc ! audioconvert ! volume volume=0.4 ! pulsesink
38 * ]| Play a 440Hz sine wave.
40 * gst-launch -v audiotestsrc ! pulsesink stream-properties="props,media.title=test"
41 * ]| Play a sine wave and set a stream property. The property can be checked
53 #include <gst/base/gstbasesink.h>
54 #include <gst/gsttaglist.h>
55 #include <gst/audio/streamvolume.h>
56 #include <gst/gst-i18n-plugin.h>
57 #include <gst/audio/gstaudioiec61937.h>
59 #include <gst/pbutils/pbutils.h> /* only used for GST_PLUGINS_BASE_VERSION_* */
61 #include "pulsesink.h"
62 #include "pulseutil.h"
64 GST_DEBUG_CATEGORY_EXTERN (pulse_debug);
65 #define GST_CAT_DEFAULT pulse_debug
67 #define DEFAULT_SERVER NULL
68 #define DEFAULT_DEVICE NULL
69 #define DEFAULT_DEVICE_NAME NULL
70 #define DEFAULT_VOLUME 1.0
71 #define DEFAULT_MUTE FALSE
72 #define MAX_VOLUME 10.0
83 PROP_STREAM_PROPERTIES,
87 #define GST_TYPE_PULSERING_BUFFER \
88 (gst_pulseringbuffer_get_type())
89 #define GST_PULSERING_BUFFER(obj) \
90 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PULSERING_BUFFER,GstPulseRingBuffer))
91 #define GST_PULSERING_BUFFER_CLASS(klass) \
92 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PULSERING_BUFFER,GstPulseRingBufferClass))
93 #define GST_PULSERING_BUFFER_GET_CLASS(obj) \
94 (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PULSERING_BUFFER, GstPulseRingBufferClass))
95 #define GST_PULSERING_BUFFER_CAST(obj) \
96 ((GstPulseRingBuffer *)obj)
97 #define GST_IS_PULSERING_BUFFER(obj) \
98 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PULSERING_BUFFER))
99 #define GST_IS_PULSERING_BUFFER_CLASS(klass)\
100 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PULSERING_BUFFER))
102 typedef struct _GstPulseRingBuffer GstPulseRingBuffer;
103 typedef struct _GstPulseRingBufferClass GstPulseRingBufferClass;
105 typedef struct _GstPulseContext GstPulseContext;
107 /* Store the PA contexts in a hash table to allow easy sharing among
108 * multiple instances of the sink. Keys are $context_name@$server_name
109 * (strings) and values should be GstPulseContext pointers.
111 struct _GstPulseContext
114 GSList *ring_buffers;
117 static GHashTable *gst_pulse_shared_contexts = NULL;
119 /* use one static main-loop for all instances
120 * this is needed to make the context sharing work as the contexts are
121 * released when releasing their parent main-loop
123 static pa_threaded_mainloop *mainloop = NULL;
124 static guint mainloop_ref_ct = 0;
126 /* lock for access to shared resources */
127 static GMutex *pa_shared_resource_mutex = NULL;
129 /* We keep a custom ringbuffer that is backed up by data allocated by
130 * pulseaudio. We must also overide the commit function to write into
131 * pulseaudio memory instead. */
132 struct _GstPulseRingBuffer
134 GstAudioRingBuffer object;
142 pa_format_info *format;
153 gboolean in_commit:1;
156 struct _GstPulseRingBufferClass
158 GstAudioRingBufferClass parent_class;
161 static GType gst_pulseringbuffer_get_type (void);
162 static void gst_pulseringbuffer_finalize (GObject * object);
164 static GstAudioRingBufferClass *ring_parent_class = NULL;
166 static gboolean gst_pulseringbuffer_open_device (GstAudioRingBuffer * buf);
167 static gboolean gst_pulseringbuffer_close_device (GstAudioRingBuffer * buf);
168 static gboolean gst_pulseringbuffer_acquire (GstAudioRingBuffer * buf,
169 GstAudioRingBufferSpec * spec);
170 static gboolean gst_pulseringbuffer_release (GstAudioRingBuffer * buf);
171 static gboolean gst_pulseringbuffer_start (GstAudioRingBuffer * buf);
172 static gboolean gst_pulseringbuffer_pause (GstAudioRingBuffer * buf);
173 static gboolean gst_pulseringbuffer_stop (GstAudioRingBuffer * buf);
174 static void gst_pulseringbuffer_clear (GstAudioRingBuffer * buf);
175 static guint gst_pulseringbuffer_commit (GstAudioRingBuffer * buf,
176 guint64 * sample, guchar * data, gint in_samples, gint out_samples,
179 G_DEFINE_TYPE (GstPulseRingBuffer, gst_pulseringbuffer,
180 GST_TYPE_AUDIO_RING_BUFFER);
183 gst_pulsesink_init_contexts (void)
185 g_assert (pa_shared_resource_mutex == NULL);
186 pa_shared_resource_mutex = g_mutex_new ();
187 gst_pulse_shared_contexts = g_hash_table_new_full (g_str_hash, g_str_equal,
192 gst_pulseringbuffer_class_init (GstPulseRingBufferClass * klass)
194 GObjectClass *gobject_class;
195 GstAudioRingBufferClass *gstringbuffer_class;
197 gobject_class = (GObjectClass *) klass;
198 gstringbuffer_class = (GstAudioRingBufferClass *) klass;
200 ring_parent_class = g_type_class_peek_parent (klass);
202 gobject_class->finalize = gst_pulseringbuffer_finalize;
204 gstringbuffer_class->open_device =
205 GST_DEBUG_FUNCPTR (gst_pulseringbuffer_open_device);
206 gstringbuffer_class->close_device =
207 GST_DEBUG_FUNCPTR (gst_pulseringbuffer_close_device);
208 gstringbuffer_class->acquire =
209 GST_DEBUG_FUNCPTR (gst_pulseringbuffer_acquire);
210 gstringbuffer_class->release =
211 GST_DEBUG_FUNCPTR (gst_pulseringbuffer_release);
212 gstringbuffer_class->start = GST_DEBUG_FUNCPTR (gst_pulseringbuffer_start);
213 gstringbuffer_class->pause = GST_DEBUG_FUNCPTR (gst_pulseringbuffer_pause);
214 gstringbuffer_class->resume = GST_DEBUG_FUNCPTR (gst_pulseringbuffer_start);
215 gstringbuffer_class->stop = GST_DEBUG_FUNCPTR (gst_pulseringbuffer_stop);
216 gstringbuffer_class->clear_all =
217 GST_DEBUG_FUNCPTR (gst_pulseringbuffer_clear);
219 gstringbuffer_class->commit = GST_DEBUG_FUNCPTR (gst_pulseringbuffer_commit);
223 gst_pulseringbuffer_init (GstPulseRingBuffer * pbuf)
225 pbuf->stream_name = NULL;
226 pbuf->context = NULL;
231 pbuf->is_pcm = FALSE;
235 pbuf->m_writable = 0;
237 pbuf->m_lastoffset = 0;
240 pbuf->in_commit = FALSE;
241 pbuf->paused = FALSE;
245 gst_pulsering_destroy_stream (GstPulseRingBuffer * pbuf)
250 /* drop shm memory buffer */
251 pa_stream_cancel_write (pbuf->stream);
253 /* reset internal variables */
256 pbuf->m_writable = 0;
258 pbuf->m_lastoffset = 0;
261 pa_format_info_free (pbuf->format);
264 pbuf->is_pcm = FALSE;
267 pa_stream_disconnect (pbuf->stream);
269 /* Make sure we don't get any further callbacks */
270 pa_stream_set_state_callback (pbuf->stream, NULL, NULL);
271 pa_stream_set_write_callback (pbuf->stream, NULL, NULL);
272 pa_stream_set_underflow_callback (pbuf->stream, NULL, NULL);
273 pa_stream_set_overflow_callback (pbuf->stream, NULL, NULL);
275 pa_stream_unref (pbuf->stream);
279 g_free (pbuf->stream_name);
280 pbuf->stream_name = NULL;
284 gst_pulsering_destroy_context (GstPulseRingBuffer * pbuf)
286 g_mutex_lock (pa_shared_resource_mutex);
288 GST_DEBUG_OBJECT (pbuf, "destroying ringbuffer %p", pbuf);
290 gst_pulsering_destroy_stream (pbuf);
293 pa_context_unref (pbuf->context);
294 pbuf->context = NULL;
297 if (pbuf->context_name) {
298 GstPulseContext *pctx;
300 pctx = g_hash_table_lookup (gst_pulse_shared_contexts, pbuf->context_name);
302 GST_DEBUG_OBJECT (pbuf, "releasing context with name %s, pbuf=%p, pctx=%p",
303 pbuf->context_name, pbuf, pctx);
306 pctx->ring_buffers = g_slist_remove (pctx->ring_buffers, pbuf);
307 if (pctx->ring_buffers == NULL) {
308 GST_DEBUG_OBJECT (pbuf,
309 "destroying final context with name %s, pbuf=%p, pctx=%p",
310 pbuf->context_name, pbuf, pctx);
312 pa_context_disconnect (pctx->context);
314 /* Make sure we don't get any further callbacks */
315 pa_context_set_state_callback (pctx->context, NULL, NULL);
316 pa_context_set_subscribe_callback (pctx->context, NULL, NULL);
318 g_hash_table_remove (gst_pulse_shared_contexts, pbuf->context_name);
320 pa_context_unref (pctx->context);
321 g_slice_free (GstPulseContext, pctx);
324 g_free (pbuf->context_name);
325 pbuf->context_name = NULL;
327 g_mutex_unlock (pa_shared_resource_mutex);
331 gst_pulseringbuffer_finalize (GObject * object)
333 GstPulseRingBuffer *ringbuffer;
335 ringbuffer = GST_PULSERING_BUFFER_CAST (object);
337 gst_pulsering_destroy_context (ringbuffer);
338 G_OBJECT_CLASS (ring_parent_class)->finalize (object);
342 #define CONTEXT_OK(c) ((c) && PA_CONTEXT_IS_GOOD (pa_context_get_state ((c))))
343 #define STREAM_OK(s) ((s) && PA_STREAM_IS_GOOD (pa_stream_get_state ((s))))
346 gst_pulsering_is_dead (GstPulseSink * psink, GstPulseRingBuffer * pbuf,
347 gboolean check_stream)
349 if (!CONTEXT_OK (pbuf->context))
352 if (check_stream && !STREAM_OK (pbuf->stream))
359 const gchar *err_str =
360 pbuf->context ? pa_strerror (pa_context_errno (pbuf->context)) : NULL;
361 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED, ("Disconnected: %s",
368 gst_pulsering_context_state_cb (pa_context * c, void *userdata)
370 pa_context_state_t state;
371 pa_threaded_mainloop *mainloop = (pa_threaded_mainloop *) userdata;
373 state = pa_context_get_state (c);
375 GST_LOG ("got new context state %d", state);
378 case PA_CONTEXT_READY:
379 case PA_CONTEXT_TERMINATED:
380 case PA_CONTEXT_FAILED:
381 GST_LOG ("signaling");
382 pa_threaded_mainloop_signal (mainloop, 0);
385 case PA_CONTEXT_UNCONNECTED:
386 case PA_CONTEXT_CONNECTING:
387 case PA_CONTEXT_AUTHORIZING:
388 case PA_CONTEXT_SETTING_NAME:
394 gst_pulsering_context_subscribe_cb (pa_context * c,
395 pa_subscription_event_type_t t, uint32_t idx, void *userdata)
398 GstPulseContext *pctx = (GstPulseContext *) userdata;
401 if (t != (PA_SUBSCRIPTION_EVENT_SINK_INPUT | PA_SUBSCRIPTION_EVENT_CHANGE) &&
402 t != (PA_SUBSCRIPTION_EVENT_SINK_INPUT | PA_SUBSCRIPTION_EVENT_NEW))
405 for (walk = pctx->ring_buffers; walk; walk = g_slist_next (walk)) {
406 GstPulseRingBuffer *pbuf = (GstPulseRingBuffer *) walk->data;
407 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
409 GST_LOG_OBJECT (psink, "type %d, idx %u", t, idx);
414 if (idx != pa_stream_get_index (pbuf->stream))
417 if (psink->device && pbuf->is_pcm &&
418 !g_str_equal (psink->device,
419 pa_stream_get_device_name (pbuf->stream))) {
420 /* Underlying sink changed. And this is not a passthrough stream. Let's
421 * see if someone upstream wants to try to renegotiate. */
424 g_free (psink->device);
425 psink->device = g_strdup (pa_stream_get_device_name (pbuf->stream));
427 GST_INFO_OBJECT (psink, "emitting sink-changed");
429 /* FIXME: send reconfigure event instead and let decodebin/playbin
430 * handle that. Also take care of ac3 alignment. See "pulse-format-lost" */
431 renego = gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM,
432 gst_structure_new_empty ("pulse-sink-changed"));
434 if (!gst_pad_push_event (GST_BASE_SINK (psink)->sinkpad, renego))
435 GST_DEBUG_OBJECT (psink, "Emitted sink-changed - nobody was listening");
438 /* Actually this event is also triggered when other properties of
439 * the stream change that are unrelated to the volume. However it is
440 * probably cheaper to signal the change here and check for the
441 * volume when the GObject property is read instead of querying it always. */
443 /* inform streaming thread to notify */
444 g_atomic_int_compare_and_exchange (&psink->notify, 0, 1);
448 /* will be called when the device should be opened. In this case we will connect
449 * to the server. We should not try to open any streams in this state. */
451 gst_pulseringbuffer_open_device (GstAudioRingBuffer * buf)
454 GstPulseRingBuffer *pbuf;
455 GstPulseContext *pctx;
456 pa_mainloop_api *api;
457 gboolean need_unlock_shared;
459 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (buf));
460 pbuf = GST_PULSERING_BUFFER_CAST (buf);
462 g_assert (!pbuf->stream);
463 g_assert (psink->client_name);
466 pbuf->context_name = g_strdup_printf ("%s@%s", psink->client_name,
469 pbuf->context_name = g_strdup (psink->client_name);
471 pa_threaded_mainloop_lock (mainloop);
473 g_mutex_lock (pa_shared_resource_mutex);
474 need_unlock_shared = TRUE;
476 pctx = g_hash_table_lookup (gst_pulse_shared_contexts, pbuf->context_name);
478 pctx = g_slice_new0 (GstPulseContext);
480 /* get the mainloop api and create a context */
481 GST_INFO_OBJECT (psink, "new context with name %s, pbuf=%p, pctx=%p",
482 pbuf->context_name, pbuf, pctx);
483 api = pa_threaded_mainloop_get_api (mainloop);
484 if (!(pctx->context = pa_context_new (api, pbuf->context_name)))
487 pctx->ring_buffers = g_slist_prepend (pctx->ring_buffers, pbuf);
488 g_hash_table_insert (gst_pulse_shared_contexts,
489 g_strdup (pbuf->context_name), (gpointer) pctx);
490 /* register some essential callbacks */
491 pa_context_set_state_callback (pctx->context,
492 gst_pulsering_context_state_cb, mainloop);
493 pa_context_set_subscribe_callback (pctx->context,
494 gst_pulsering_context_subscribe_cb, pctx);
496 /* try to connect to the server and wait for completion, we don't want to
497 * autospawn a deamon */
498 GST_LOG_OBJECT (psink, "connect to server %s",
499 GST_STR_NULL (psink->server));
500 if (pa_context_connect (pctx->context, psink->server,
501 PA_CONTEXT_NOAUTOSPAWN, NULL) < 0)
504 GST_INFO_OBJECT (psink,
505 "reusing shared context with name %s, pbuf=%p, pctx=%p",
506 pbuf->context_name, pbuf, pctx);
507 pctx->ring_buffers = g_slist_prepend (pctx->ring_buffers, pbuf);
510 g_mutex_unlock (pa_shared_resource_mutex);
511 need_unlock_shared = FALSE;
513 /* context created or shared okay */
514 pbuf->context = pa_context_ref (pctx->context);
517 pa_context_state_t state;
519 state = pa_context_get_state (pbuf->context);
521 GST_LOG_OBJECT (psink, "context state is now %d", state);
523 if (!PA_CONTEXT_IS_GOOD (state))
526 if (state == PA_CONTEXT_READY)
529 /* Wait until the context is ready */
530 GST_LOG_OBJECT (psink, "waiting..");
531 pa_threaded_mainloop_wait (mainloop);
534 GST_LOG_OBJECT (psink, "opened the device");
536 pa_threaded_mainloop_unlock (mainloop);
543 if (need_unlock_shared)
544 g_mutex_unlock (pa_shared_resource_mutex);
545 gst_pulsering_destroy_context (pbuf);
546 pa_threaded_mainloop_unlock (mainloop);
551 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
552 ("Failed to create context"), (NULL));
553 g_slice_free (GstPulseContext, pctx);
554 goto unlock_and_fail;
558 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED, ("Failed to connect: %s",
559 pa_strerror (pa_context_errno (pctx->context))), (NULL));
560 goto unlock_and_fail;
564 /* close the device */
566 gst_pulseringbuffer_close_device (GstAudioRingBuffer * buf)
569 GstPulseRingBuffer *pbuf;
571 pbuf = GST_PULSERING_BUFFER_CAST (buf);
572 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (buf));
574 GST_LOG_OBJECT (psink, "closing device");
576 pa_threaded_mainloop_lock (mainloop);
577 gst_pulsering_destroy_context (pbuf);
578 pa_threaded_mainloop_unlock (mainloop);
580 GST_LOG_OBJECT (psink, "closed device");
586 gst_pulsering_stream_state_cb (pa_stream * s, void *userdata)
589 GstPulseRingBuffer *pbuf;
590 pa_stream_state_t state;
592 pbuf = GST_PULSERING_BUFFER_CAST (userdata);
593 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
595 state = pa_stream_get_state (s);
596 GST_LOG_OBJECT (psink, "got new stream state %d", state);
599 case PA_STREAM_READY:
600 case PA_STREAM_FAILED:
601 case PA_STREAM_TERMINATED:
602 GST_LOG_OBJECT (psink, "signaling");
603 pa_threaded_mainloop_signal (mainloop, 0);
605 case PA_STREAM_UNCONNECTED:
606 case PA_STREAM_CREATING:
612 gst_pulsering_stream_request_cb (pa_stream * s, size_t length, void *userdata)
615 GstAudioRingBuffer *rbuf;
616 GstPulseRingBuffer *pbuf;
618 rbuf = GST_AUDIO_RING_BUFFER_CAST (userdata);
619 pbuf = GST_PULSERING_BUFFER_CAST (userdata);
620 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
622 GST_LOG_OBJECT (psink, "got request for length %" G_GSIZE_FORMAT, length);
624 if (pbuf->in_commit && (length >= rbuf->spec.segsize)) {
625 /* only signal when we are waiting in the commit thread
626 * and got request for atleast a segment */
627 pa_threaded_mainloop_signal (mainloop, 0);
632 gst_pulsering_stream_underflow_cb (pa_stream * s, void *userdata)
635 GstPulseRingBuffer *pbuf;
637 pbuf = GST_PULSERING_BUFFER_CAST (userdata);
638 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
640 GST_WARNING_OBJECT (psink, "Got underflow");
644 gst_pulsering_stream_overflow_cb (pa_stream * s, void *userdata)
647 GstPulseRingBuffer *pbuf;
649 pbuf = GST_PULSERING_BUFFER_CAST (userdata);
650 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
652 GST_WARNING_OBJECT (psink, "Got overflow");
656 gst_pulsering_stream_latency_cb (pa_stream * s, void *userdata)
659 GstPulseRingBuffer *pbuf;
660 const pa_timing_info *info;
663 info = pa_stream_get_timing_info (s);
665 pbuf = GST_PULSERING_BUFFER_CAST (userdata);
666 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
669 GST_LOG_OBJECT (psink, "latency update (information unknown)");
672 sink_usec = info->configured_sink_usec;
674 GST_LOG_OBJECT (psink,
675 "latency_update, %" G_GUINT64_FORMAT ", %d:%" G_GINT64_FORMAT ", %d:%"
676 G_GUINT64_FORMAT ", %" G_GUINT64_FORMAT ", %" G_GUINT64_FORMAT,
677 GST_TIMEVAL_TO_TIME (info->timestamp), info->write_index_corrupt,
678 info->write_index, info->read_index_corrupt, info->read_index,
679 info->sink_usec, sink_usec);
683 gst_pulsering_stream_suspended_cb (pa_stream * p, void *userdata)
686 GstPulseRingBuffer *pbuf;
688 pbuf = GST_PULSERING_BUFFER_CAST (userdata);
689 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
691 if (pa_stream_is_suspended (p))
692 GST_DEBUG_OBJECT (psink, "stream suspended");
694 GST_DEBUG_OBJECT (psink, "stream resumed");
698 gst_pulsering_stream_started_cb (pa_stream * p, void *userdata)
701 GstPulseRingBuffer *pbuf;
703 pbuf = GST_PULSERING_BUFFER_CAST (userdata);
704 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
706 GST_DEBUG_OBJECT (psink, "stream started");
710 gst_pulsering_stream_event_cb (pa_stream * p, const char *name,
711 pa_proplist * pl, void *userdata)
714 GstPulseRingBuffer *pbuf;
716 pbuf = GST_PULSERING_BUFFER_CAST (userdata);
717 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
719 if (!strcmp (name, PA_STREAM_EVENT_REQUEST_CORK)) {
720 /* the stream wants to PAUSE, post a message for the application. */
721 GST_DEBUG_OBJECT (psink, "got request for CORK");
722 gst_element_post_message (GST_ELEMENT_CAST (psink),
723 gst_message_new_request_state (GST_OBJECT_CAST (psink),
726 } else if (!strcmp (name, PA_STREAM_EVENT_REQUEST_UNCORK)) {
727 GST_DEBUG_OBJECT (psink, "got request for UNCORK");
728 gst_element_post_message (GST_ELEMENT_CAST (psink),
729 gst_message_new_request_state (GST_OBJECT_CAST (psink),
731 } else if (!strcmp (name, PA_STREAM_EVENT_FORMAT_LOST)) {
734 if (g_atomic_int_get (&psink->format_lost)) {
735 /* Duplicate event before we're done reconfiguring, discard */
739 GST_DEBUG_OBJECT (psink, "got FORMAT LOST");
740 g_atomic_int_set (&psink->format_lost, 1);
741 psink->format_lost_time = g_ascii_strtoull (pa_proplist_gets (pl,
742 "stream-time"), NULL, 0) * 1000;
744 g_free (psink->device);
745 psink->device = g_strdup (pa_proplist_gets (pl, "device"));
747 /* FIXME: send reconfigure event instead and let decodebin/playbin
748 * handle that. Also take care of ac3 alignment */
749 renego = gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM,
750 gst_structure_new_empty ("pulse-format-lost"));
753 if (g_str_equal (gst_structure_get_name (st), "audio/x-eac3")) {
754 GstStructure *event_st = gst_structure_new ("ac3parse-set-alignment",
755 "alignment", G_TYPE_STRING, pbin->dbin ? "frame" : "iec61937", NULL);
757 if (!gst_pad_push_event (pbin->sinkpad,
758 gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM, event_st)))
759 GST_WARNING_OBJECT (pbin->sinkpad, "Could not update alignment");
763 if (!gst_pad_push_event (GST_BASE_SINK (psink)->sinkpad, renego)) {
764 /* Nobody handled the format change - emit an error */
765 GST_ELEMENT_ERROR (psink, STREAM, FORMAT, ("Sink format changed"),
766 ("Sink format changed"));
769 GST_DEBUG_OBJECT (psink, "got unknown event %s", name);
773 /* Called with the mainloop locked */
775 gst_pulsering_wait_for_stream_ready (GstPulseSink * psink, pa_stream * stream)
777 pa_stream_state_t state;
780 state = pa_stream_get_state (stream);
782 GST_LOG_OBJECT (psink, "stream state is now %d", state);
784 if (!PA_STREAM_IS_GOOD (state))
787 if (state == PA_STREAM_READY)
790 /* Wait until the stream is ready */
791 pa_threaded_mainloop_wait (mainloop);
796 /* This method should create a new stream of the given @spec. No playback should
797 * start yet so we start in the corked state. */
799 gst_pulseringbuffer_acquire (GstAudioRingBuffer * buf,
800 GstAudioRingBufferSpec * spec)
803 GstPulseRingBuffer *pbuf;
804 pa_buffer_attr wanted;
805 const pa_buffer_attr *actual;
806 pa_channel_map channel_map;
807 pa_operation *o = NULL;
809 pa_cvolume *pv = NULL;
810 pa_stream_flags_t flags;
812 GstAudioClock *clock;
813 pa_format_info *formats[1];
814 #ifndef GST_DISABLE_GST_DEBUG
815 gchar print_buf[PA_FORMAT_INFO_SNPRINT_MAX];
818 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (buf));
819 pbuf = GST_PULSERING_BUFFER_CAST (buf);
821 GST_LOG_OBJECT (psink, "creating sample spec");
822 /* convert the gstreamer sample spec to the pulseaudio format */
823 if (!gst_pulse_fill_format_info (spec, &pbuf->format, &pbuf->channels))
825 pbuf->is_pcm = pa_format_info_is_pcm (pbuf->format);
827 pa_threaded_mainloop_lock (mainloop);
829 /* we need a context and a no stream */
830 g_assert (pbuf->context);
831 g_assert (!pbuf->stream);
833 /* enable event notifications */
834 GST_LOG_OBJECT (psink, "subscribing to context events");
835 if (!(o = pa_context_subscribe (pbuf->context,
836 PA_SUBSCRIPTION_MASK_SINK_INPUT, NULL, NULL)))
837 goto subscribe_failed;
839 pa_operation_unref (o);
841 /* initialize the channel map */
842 if (pbuf->is_pcm && gst_pulse_gst_to_channel_map (&channel_map, spec))
843 pa_format_info_set_channel_map (pbuf->format, &channel_map);
845 /* find a good name for the stream */
846 if (psink->stream_name)
847 name = psink->stream_name;
849 name = "Playback Stream";
851 /* create a stream */
852 formats[0] = pbuf->format;
853 if (!(pbuf->stream = pa_stream_new_extended (pbuf->context, name, formats, 1,
857 /* install essential callbacks */
858 pa_stream_set_state_callback (pbuf->stream,
859 gst_pulsering_stream_state_cb, pbuf);
860 pa_stream_set_write_callback (pbuf->stream,
861 gst_pulsering_stream_request_cb, pbuf);
862 pa_stream_set_underflow_callback (pbuf->stream,
863 gst_pulsering_stream_underflow_cb, pbuf);
864 pa_stream_set_overflow_callback (pbuf->stream,
865 gst_pulsering_stream_overflow_cb, pbuf);
866 pa_stream_set_latency_update_callback (pbuf->stream,
867 gst_pulsering_stream_latency_cb, pbuf);
868 pa_stream_set_suspended_callback (pbuf->stream,
869 gst_pulsering_stream_suspended_cb, pbuf);
870 pa_stream_set_started_callback (pbuf->stream,
871 gst_pulsering_stream_started_cb, pbuf);
872 pa_stream_set_event_callback (pbuf->stream,
873 gst_pulsering_stream_event_cb, pbuf);
875 /* buffering requirements. When setting prebuf to 0, the stream will not pause
876 * when we cause an underrun, which causes time to continue. */
877 memset (&wanted, 0, sizeof (wanted));
878 wanted.tlength = spec->segtotal * spec->segsize;
879 wanted.maxlength = -1;
881 wanted.minreq = spec->segsize;
883 GST_INFO_OBJECT (psink, "tlength: %d", wanted.tlength);
884 GST_INFO_OBJECT (psink, "maxlength: %d", wanted.maxlength);
885 GST_INFO_OBJECT (psink, "prebuf: %d", wanted.prebuf);
886 GST_INFO_OBJECT (psink, "minreq: %d", wanted.minreq);
888 /* configure volume when we changed it, else we leave the default */
889 if (psink->volume_set) {
890 GST_LOG_OBJECT (psink, "have volume of %f", psink->volume);
893 gst_pulse_cvolume_from_linear (pv, pbuf->channels, psink->volume);
895 GST_DEBUG_OBJECT (psink, "passthrough stream, not setting volume");
902 /* construct the flags */
903 flags = PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE |
904 PA_STREAM_ADJUST_LATENCY | PA_STREAM_START_CORKED;
906 if (psink->mute_set && psink->mute)
907 flags |= PA_STREAM_START_MUTED;
909 /* we always start corked (see flags above) */
912 /* try to connect now */
913 GST_LOG_OBJECT (psink, "connect for playback to device %s",
914 GST_STR_NULL (psink->device));
915 if (pa_stream_connect_playback (pbuf->stream, psink->device,
916 &wanted, flags, pv, NULL) < 0)
919 /* our clock will now start from 0 again */
920 clock = GST_AUDIO_CLOCK (GST_AUDIO_BASE_SINK (psink)->provided_clock);
921 gst_audio_clock_reset (clock, 0);
923 if (!gst_pulsering_wait_for_stream_ready (psink, pbuf->stream))
926 g_free (psink->device);
927 psink->device = g_strdup (pa_stream_get_device_name (pbuf->stream));
929 #ifndef GST_DISABLE_GST_DEBUG
930 pa_format_info_snprint (print_buf, sizeof (print_buf),
931 pa_stream_get_format_info (pbuf->stream));
932 GST_INFO_OBJECT (psink, "negotiated to: %s", print_buf);
935 /* After we passed the volume off of to PA we never want to set it
936 again, since it is PA's job to save/restore volumes. */
937 psink->volume_set = psink->mute_set = FALSE;
939 GST_LOG_OBJECT (psink, "stream is acquired now");
941 /* get the actual buffering properties now */
942 actual = pa_stream_get_buffer_attr (pbuf->stream);
944 GST_INFO_OBJECT (psink, "tlength: %d (wanted: %d)", actual->tlength,
946 GST_INFO_OBJECT (psink, "maxlength: %d", actual->maxlength);
947 GST_INFO_OBJECT (psink, "prebuf: %d", actual->prebuf);
948 GST_INFO_OBJECT (psink, "minreq: %d (wanted %d)", actual->minreq,
951 spec->segsize = actual->minreq;
952 spec->segtotal = actual->tlength / spec->segsize;
954 pa_threaded_mainloop_unlock (mainloop);
961 gst_pulsering_destroy_stream (pbuf);
962 pa_threaded_mainloop_unlock (mainloop);
968 GST_ELEMENT_ERROR (psink, RESOURCE, SETTINGS,
969 ("Invalid sample specification."), (NULL));
974 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
975 ("pa_context_subscribe() failed: %s",
976 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
977 goto unlock_and_fail;
981 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
982 ("Failed to create stream: %s",
983 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
984 goto unlock_and_fail;
988 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
989 ("Failed to connect stream: %s",
990 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
991 goto unlock_and_fail;
995 /* free the stream that we acquired before */
997 gst_pulseringbuffer_release (GstAudioRingBuffer * buf)
999 GstPulseRingBuffer *pbuf;
1001 pbuf = GST_PULSERING_BUFFER_CAST (buf);
1003 pa_threaded_mainloop_lock (mainloop);
1004 gst_pulsering_destroy_stream (pbuf);
1005 pa_threaded_mainloop_unlock (mainloop);
1008 GstPulseSink *psink;
1010 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
1011 g_atomic_int_set (&psink->format_lost, FALSE);
1012 psink->format_lost_time = GST_CLOCK_TIME_NONE;
1019 gst_pulsering_success_cb (pa_stream * s, int success, void *userdata)
1021 pa_threaded_mainloop_signal (mainloop, 0);
1024 /* update the corked state of a stream, must be called with the mainloop
1027 gst_pulsering_set_corked (GstPulseRingBuffer * pbuf, gboolean corked,
1030 pa_operation *o = NULL;
1031 GstPulseSink *psink;
1032 gboolean res = FALSE;
1034 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
1036 if (g_atomic_int_get (&psink->format_lost)) {
1037 /* Sink format changed, stream's gone so fake being paused */
1041 GST_DEBUG_OBJECT (psink, "setting corked state to %d", corked);
1042 if (pbuf->corked != corked) {
1043 if (!(o = pa_stream_cork (pbuf->stream, corked,
1044 gst_pulsering_success_cb, pbuf)))
1047 while (wait && pa_operation_get_state (o) == PA_OPERATION_RUNNING) {
1048 pa_threaded_mainloop_wait (mainloop);
1049 if (gst_pulsering_is_dead (psink, pbuf, TRUE))
1052 pbuf->corked = corked;
1054 GST_DEBUG_OBJECT (psink, "skipping, already in requested state");
1060 pa_operation_unref (o);
1067 GST_DEBUG_OBJECT (psink, "the server is dead");
1072 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
1073 ("pa_stream_cork() failed: %s",
1074 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
1080 gst_pulseringbuffer_clear (GstAudioRingBuffer * buf)
1082 GstPulseSink *psink;
1083 GstPulseRingBuffer *pbuf;
1084 pa_operation *o = NULL;
1086 pbuf = GST_PULSERING_BUFFER_CAST (buf);
1087 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
1089 pa_threaded_mainloop_lock (mainloop);
1090 GST_DEBUG_OBJECT (psink, "clearing");
1092 /* don't wait for the flush to complete */
1093 if ((o = pa_stream_flush (pbuf->stream, NULL, pbuf)))
1094 pa_operation_unref (o);
1096 pa_threaded_mainloop_unlock (mainloop);
1099 /* called from pulse with the mainloop lock */
1101 mainloop_enter_defer_cb (pa_mainloop_api * api, void *userdata)
1103 GstPulseSink *pulsesink = GST_PULSESINK (userdata);
1104 GstMessage *message;
1107 g_value_init (&val, G_TYPE_POINTER);
1108 g_value_set_pointer (&val, g_thread_self ());
1110 GST_DEBUG_OBJECT (pulsesink, "posting ENTER stream status");
1111 message = gst_message_new_stream_status (GST_OBJECT (pulsesink),
1112 GST_STREAM_STATUS_TYPE_ENTER, GST_ELEMENT (pulsesink));
1113 gst_message_set_stream_status_object (message, &val);
1115 gst_element_post_message (GST_ELEMENT (pulsesink), message);
1117 g_return_if_fail (pulsesink->defer_pending);
1118 pulsesink->defer_pending--;
1119 pa_threaded_mainloop_signal (mainloop, 0);
1122 /* start/resume playback ASAP, we don't uncork here but in the commit method */
1124 gst_pulseringbuffer_start (GstAudioRingBuffer * buf)
1126 GstPulseSink *psink;
1127 GstPulseRingBuffer *pbuf;
1129 pbuf = GST_PULSERING_BUFFER_CAST (buf);
1130 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
1132 pa_threaded_mainloop_lock (mainloop);
1134 GST_DEBUG_OBJECT (psink, "scheduling stream status");
1135 psink->defer_pending++;
1136 pa_mainloop_api_once (pa_threaded_mainloop_get_api (mainloop),
1137 mainloop_enter_defer_cb, psink);
1139 GST_DEBUG_OBJECT (psink, "starting");
1140 pbuf->paused = FALSE;
1142 /* EOS needs running clock */
1143 if (GST_BASE_SINK_CAST (psink)->eos ||
1144 g_atomic_int_get (&GST_AUDIO_BASE_SINK (psink)->eos_rendering))
1145 gst_pulsering_set_corked (pbuf, FALSE, FALSE);
1147 pa_threaded_mainloop_unlock (mainloop);
1152 /* pause/stop playback ASAP */
1154 gst_pulseringbuffer_pause (GstAudioRingBuffer * buf)
1156 GstPulseSink *psink;
1157 GstPulseRingBuffer *pbuf;
1160 pbuf = GST_PULSERING_BUFFER_CAST (buf);
1161 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
1163 pa_threaded_mainloop_lock (mainloop);
1164 GST_DEBUG_OBJECT (psink, "pausing and corking");
1165 /* make sure the commit method stops writing */
1166 pbuf->paused = TRUE;
1167 res = gst_pulsering_set_corked (pbuf, TRUE, TRUE);
1168 if (pbuf->in_commit) {
1169 /* we are waiting in a commit, signal */
1170 GST_DEBUG_OBJECT (psink, "signal commit");
1171 pa_threaded_mainloop_signal (mainloop, 0);
1173 pa_threaded_mainloop_unlock (mainloop);
1178 /* called from pulse with the mainloop lock */
1180 mainloop_leave_defer_cb (pa_mainloop_api * api, void *userdata)
1182 GstPulseSink *pulsesink = GST_PULSESINK (userdata);
1183 GstMessage *message;
1186 g_value_init (&val, G_TYPE_POINTER);
1187 g_value_set_pointer (&val, g_thread_self ());
1189 GST_DEBUG_OBJECT (pulsesink, "posting LEAVE stream status");
1190 message = gst_message_new_stream_status (GST_OBJECT (pulsesink),
1191 GST_STREAM_STATUS_TYPE_LEAVE, GST_ELEMENT (pulsesink));
1192 gst_message_set_stream_status_object (message, &val);
1193 gst_element_post_message (GST_ELEMENT (pulsesink), message);
1195 g_return_if_fail (pulsesink->defer_pending);
1196 pulsesink->defer_pending--;
1197 pa_threaded_mainloop_signal (mainloop, 0);
1200 /* stop playback, we flush everything. */
1202 gst_pulseringbuffer_stop (GstAudioRingBuffer * buf)
1204 GstPulseSink *psink;
1205 GstPulseRingBuffer *pbuf;
1206 gboolean res = FALSE;
1207 pa_operation *o = NULL;
1209 pbuf = GST_PULSERING_BUFFER_CAST (buf);
1210 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
1212 pa_threaded_mainloop_lock (mainloop);
1214 pbuf->paused = TRUE;
1215 res = gst_pulsering_set_corked (pbuf, TRUE, TRUE);
1217 /* Inform anyone waiting in _commit() call that it shall wakeup */
1218 if (pbuf->in_commit) {
1219 GST_DEBUG_OBJECT (psink, "signal commit thread");
1220 pa_threaded_mainloop_signal (mainloop, 0);
1222 if (g_atomic_int_get (&psink->format_lost)) {
1223 /* Don't try to flush, the stream's probably gone by now */
1228 /* then try to flush, it's not fatal when this fails */
1229 GST_DEBUG_OBJECT (psink, "flushing");
1230 if ((o = pa_stream_flush (pbuf->stream, gst_pulsering_success_cb, pbuf))) {
1231 while (pa_operation_get_state (o) == PA_OPERATION_RUNNING) {
1232 GST_DEBUG_OBJECT (psink, "wait for completion");
1233 pa_threaded_mainloop_wait (mainloop);
1234 if (gst_pulsering_is_dead (psink, pbuf, TRUE))
1237 GST_DEBUG_OBJECT (psink, "flush completed");
1243 pa_operation_cancel (o);
1244 pa_operation_unref (o);
1247 GST_DEBUG_OBJECT (psink, "scheduling stream status");
1248 psink->defer_pending++;
1249 pa_mainloop_api_once (pa_threaded_mainloop_get_api (mainloop),
1250 mainloop_leave_defer_cb, psink);
1252 pa_threaded_mainloop_unlock (mainloop);
1259 GST_DEBUG_OBJECT (psink, "the server is dead");
1264 /* in_samples >= out_samples, rate > 1.0 */
1265 #define FWD_UP_SAMPLES(s,se,d,de) \
1267 guint8 *sb = s, *db = d; \
1268 while (s <= se && d < de) { \
1269 memcpy (d, s, bpf); \
1272 if ((*accum << 1) >= inr) { \
1277 in_samples -= (s - sb)/bpf; \
1278 out_samples -= (d - db)/bpf; \
1279 GST_DEBUG ("fwd_up end %d/%d",*accum,*toprocess); \
1282 /* out_samples > in_samples, for rates smaller than 1.0 */
1283 #define FWD_DOWN_SAMPLES(s,se,d,de) \
1285 guint8 *sb = s, *db = d; \
1286 while (s <= se && d < de) { \
1287 memcpy (d, s, bpf); \
1290 if ((*accum << 1) >= outr) { \
1295 in_samples -= (s - sb)/bpf; \
1296 out_samples -= (d - db)/bpf; \
1297 GST_DEBUG ("fwd_down end %d/%d",*accum,*toprocess); \
1300 #define REV_UP_SAMPLES(s,se,d,de) \
1302 guint8 *sb = se, *db = d; \
1303 while (s <= se && d < de) { \
1304 memcpy (d, se, bpf); \
1307 while (d < de && (*accum << 1) >= inr) { \
1312 in_samples -= (sb - se)/bpf; \
1313 out_samples -= (d - db)/bpf; \
1314 GST_DEBUG ("rev_up end %d/%d",*accum,*toprocess); \
1317 #define REV_DOWN_SAMPLES(s,se,d,de) \
1319 guint8 *sb = se, *db = d; \
1320 while (s <= se && d < de) { \
1321 memcpy (d, se, bpf); \
1324 while (s <= se && (*accum << 1) >= outr) { \
1329 in_samples -= (sb - se)/bpf; \
1330 out_samples -= (d - db)/bpf; \
1331 GST_DEBUG ("rev_down end %d/%d",*accum,*toprocess); \
1334 /* our custom commit function because we write into the buffer of pulseaudio
1335 * instead of keeping our own buffer */
1337 gst_pulseringbuffer_commit (GstAudioRingBuffer * buf, guint64 * sample,
1338 guchar * data, gint in_samples, gint out_samples, gint * accum)
1340 GstPulseSink *psink;
1341 GstPulseRingBuffer *pbuf;
1346 gint inr, outr, bpf;
1350 pbuf = GST_PULSERING_BUFFER_CAST (buf);
1351 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
1353 /* FIXME post message rather than using a signal (as mixer interface) */
1354 if (g_atomic_int_compare_and_exchange (&psink->notify, 1, 0)) {
1355 g_object_notify (G_OBJECT (psink), "volume");
1356 g_object_notify (G_OBJECT (psink), "mute");
1359 /* make sure the ringbuffer is started */
1360 if (G_UNLIKELY (g_atomic_int_get (&buf->state) !=
1361 GST_AUDIO_RING_BUFFER_STATE_STARTED)) {
1362 /* see if we are allowed to start it */
1363 if (G_UNLIKELY (g_atomic_int_get (&buf->may_start) == FALSE))
1366 GST_DEBUG_OBJECT (buf, "start!");
1367 if (!gst_audio_ring_buffer_start (buf))
1371 pa_threaded_mainloop_lock (mainloop);
1373 GST_DEBUG_OBJECT (psink, "entering commit");
1374 pbuf->in_commit = TRUE;
1376 bpf = GST_AUDIO_INFO_BPF (&buf->spec.info);
1377 bufsize = buf->spec.segsize * buf->spec.segtotal;
1379 /* our toy resampler for trick modes */
1380 reverse = out_samples < 0;
1381 out_samples = ABS (out_samples);
1383 if (in_samples >= out_samples)
1384 toprocess = &in_samples;
1386 toprocess = &out_samples;
1388 inr = in_samples - 1;
1389 outr = out_samples - 1;
1391 GST_DEBUG_OBJECT (psink, "in %d, out %d", inr, outr);
1393 /* data_end points to the last sample we have to write, not past it. This is
1394 * needed to properly handle reverse playback: it points to the last sample. */
1395 data_end = data + (bpf * inr);
1397 if (g_atomic_int_get (&psink->format_lost)) {
1398 /* Sink format changed, drop the data and hope upstream renegotiates */
1405 /* offset is in bytes */
1406 offset = *sample * bpf;
1408 while (*toprocess > 0) {
1412 GST_LOG_OBJECT (psink,
1413 "need to write %d samples at offset %" G_GINT64_FORMAT, *toprocess,
1416 if (offset != pbuf->m_lastoffset)
1417 GST_LOG_OBJECT (psink, "discontinuity, offset is %" G_GINT64_FORMAT ", "
1418 "last offset was %" G_GINT64_FORMAT, offset, pbuf->m_lastoffset);
1420 towrite = out_samples * bpf;
1422 /* Wait for at least segsize bytes to become available */
1423 if (towrite > buf->spec.segsize)
1424 towrite = buf->spec.segsize;
1426 if ((pbuf->m_writable < towrite) || (offset != pbuf->m_lastoffset)) {
1427 /* if no room left or discontinuity in offset,
1428 we need to flush data and get a new buffer */
1430 /* flush the buffer if possible */
1431 if ((pbuf->m_data != NULL) && (pbuf->m_towrite > 0)) {
1433 GST_LOG_OBJECT (psink,
1434 "flushing %u samples at offset %" G_GINT64_FORMAT,
1435 (guint) pbuf->m_towrite / bpf, pbuf->m_offset);
1437 if (pa_stream_write (pbuf->stream, (uint8_t *) pbuf->m_data,
1438 pbuf->m_towrite, NULL, pbuf->m_offset, PA_SEEK_ABSOLUTE) < 0) {
1442 pbuf->m_towrite = 0;
1443 pbuf->m_offset = offset; /* keep track of current offset */
1445 /* get a buffer to write in for now on */
1447 pbuf->m_writable = pa_stream_writable_size (pbuf->stream);
1449 if (g_atomic_int_get (&psink->format_lost)) {
1450 /* Sink format changed, give up and hope upstream renegotiates */
1454 if (pbuf->m_writable == (size_t) - 1)
1455 goto writable_size_failed;
1457 pbuf->m_writable /= bpf;
1458 pbuf->m_writable *= bpf; /* handle only complete samples */
1460 if (pbuf->m_writable >= towrite)
1463 /* see if we need to uncork because we have no free space */
1465 if (!gst_pulsering_set_corked (pbuf, FALSE, FALSE))
1469 /* we can't write segsize bytes, wait a bit */
1470 GST_LOG_OBJECT (psink, "waiting for free space");
1471 pa_threaded_mainloop_wait (mainloop);
1477 /* Recalculate what we can write in the next chunk */
1478 towrite = out_samples * bpf;
1479 if (pbuf->m_writable > towrite)
1480 pbuf->m_writable = towrite;
1482 GST_LOG_OBJECT (psink, "requesting %" G_GSIZE_FORMAT " bytes of "
1483 "shared memory", pbuf->m_writable);
1485 if (pa_stream_begin_write (pbuf->stream, &pbuf->m_data,
1486 &pbuf->m_writable) < 0) {
1487 GST_LOG_OBJECT (psink, "pa_stream_begin_write() failed");
1488 goto writable_size_failed;
1491 GST_LOG_OBJECT (psink, "got %" G_GSIZE_FORMAT " bytes of shared memory",
1496 if (towrite > pbuf->m_writable)
1497 towrite = pbuf->m_writable;
1498 avail = towrite / bpf;
1500 GST_LOG_OBJECT (psink, "writing %u samples at offset %" G_GUINT64_FORMAT,
1501 (guint) avail, offset);
1503 /* No trick modes for passthrough streams */
1504 if (G_UNLIKELY (!pbuf->is_pcm && (inr != outr || reverse))) {
1505 GST_WARNING_OBJECT (psink, "Passthrough stream can't run in trick mode");
1506 goto unlock_and_fail;
1509 if (G_LIKELY (inr == outr && !reverse)) {
1510 /* no rate conversion, simply write out the samples */
1511 /* copy the data into internal buffer */
1513 memcpy ((guint8 *) pbuf->m_data + pbuf->m_towrite, data, towrite);
1514 pbuf->m_towrite += towrite;
1515 pbuf->m_writable -= towrite;
1518 in_samples -= avail;
1519 out_samples -= avail;
1521 guint8 *dest, *d, *d_end;
1523 /* write into the PulseAudio shm buffer */
1524 dest = d = (guint8 *) pbuf->m_data + pbuf->m_towrite;
1525 d_end = d + towrite;
1529 /* forward speed up */
1530 FWD_UP_SAMPLES (data, data_end, d, d_end);
1532 /* forward slow down */
1533 FWD_DOWN_SAMPLES (data, data_end, d, d_end);
1536 /* reverse speed up */
1537 REV_UP_SAMPLES (data, data_end, d, d_end);
1539 /* reverse slow down */
1540 REV_DOWN_SAMPLES (data, data_end, d, d_end);
1542 /* see what we have left to write */
1543 towrite = (d - dest);
1544 pbuf->m_towrite += towrite;
1545 pbuf->m_writable -= towrite;
1547 avail = towrite / bpf;
1550 /* flush the buffer if it's full */
1551 if ((pbuf->m_data != NULL) && (pbuf->m_towrite > 0)
1552 && (pbuf->m_writable == 0)) {
1553 GST_LOG_OBJECT (psink, "flushing %u samples at offset %" G_GINT64_FORMAT,
1554 (guint) pbuf->m_towrite / bpf, pbuf->m_offset);
1556 if (pa_stream_write (pbuf->stream, (uint8_t *) pbuf->m_data,
1557 pbuf->m_towrite, NULL, pbuf->m_offset, PA_SEEK_ABSOLUTE) < 0) {
1560 pbuf->m_towrite = 0;
1561 pbuf->m_offset = offset + towrite; /* keep track of current offset */
1565 offset += avail * bpf;
1566 pbuf->m_lastoffset = offset;
1568 /* check if we need to uncork after writing the samples */
1570 const pa_timing_info *info;
1572 if ((info = pa_stream_get_timing_info (pbuf->stream))) {
1573 GST_LOG_OBJECT (psink,
1574 "read_index at %" G_GUINT64_FORMAT ", offset %" G_GINT64_FORMAT,
1575 info->read_index, offset);
1577 /* we uncork when the read_index is too far behind the offset we need
1579 if (info->read_index + bufsize <= offset) {
1580 if (!gst_pulsering_set_corked (pbuf, FALSE, FALSE))
1584 GST_LOG_OBJECT (psink, "no timing info available yet");
1590 /* we consumed all samples here */
1591 data = data_end + bpf;
1593 pbuf->in_commit = FALSE;
1594 pa_threaded_mainloop_unlock (mainloop);
1597 result = inr - ((data_end - data) / bpf);
1598 GST_LOG_OBJECT (psink, "wrote %d samples", result);
1605 pbuf->in_commit = FALSE;
1606 GST_LOG_OBJECT (psink, "we are reset");
1607 pa_threaded_mainloop_unlock (mainloop);
1612 GST_LOG_OBJECT (psink, "we can not start");
1617 GST_LOG_OBJECT (psink, "failed to start the ringbuffer");
1622 pbuf->in_commit = FALSE;
1623 GST_ERROR_OBJECT (psink, "uncork failed");
1624 pa_threaded_mainloop_unlock (mainloop);
1629 pbuf->in_commit = FALSE;
1630 GST_LOG_OBJECT (psink, "we are paused");
1631 pa_threaded_mainloop_unlock (mainloop);
1634 writable_size_failed:
1636 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
1637 ("pa_stream_writable_size() failed: %s",
1638 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
1639 goto unlock_and_fail;
1643 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
1644 ("pa_stream_write() failed: %s",
1645 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
1646 goto unlock_and_fail;
1650 /* write pending local samples, must be called with the mainloop lock */
1652 gst_pulsering_flush (GstPulseRingBuffer * pbuf)
1654 GstPulseSink *psink;
1656 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
1657 GST_DEBUG_OBJECT (psink, "entering flush");
1659 /* flush the buffer if possible */
1660 if (pbuf->stream && (pbuf->m_data != NULL) && (pbuf->m_towrite > 0)) {
1661 #ifndef GST_DISABLE_GST_DEBUG
1664 bpf = (GST_AUDIO_RING_BUFFER_CAST (pbuf))->spec.info.bpf;
1665 GST_LOG_OBJECT (psink,
1666 "flushing %u samples at offset %" G_GINT64_FORMAT,
1667 (guint) pbuf->m_towrite / bpf, pbuf->m_offset);
1670 if (pa_stream_write (pbuf->stream, (uint8_t *) pbuf->m_data,
1671 pbuf->m_towrite, NULL, pbuf->m_offset, PA_SEEK_ABSOLUTE) < 0) {
1675 pbuf->m_towrite = 0;
1676 pbuf->m_offset += pbuf->m_towrite; /* keep track of current offset */
1685 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
1686 ("pa_stream_write() failed: %s",
1687 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
1692 static void gst_pulsesink_set_property (GObject * object, guint prop_id,
1693 const GValue * value, GParamSpec * pspec);
1694 static void gst_pulsesink_get_property (GObject * object, guint prop_id,
1695 GValue * value, GParamSpec * pspec);
1696 static void gst_pulsesink_finalize (GObject * object);
1698 static gboolean gst_pulsesink_event (GstBaseSink * sink, GstEvent * event);
1699 static gboolean gst_pulsesink_query (GstBaseSink * sink, GstQuery * query);
1701 static GstStateChangeReturn gst_pulsesink_change_state (GstElement * element,
1702 GstStateChange transition);
1704 static GstStaticPadTemplate pad_template = GST_STATIC_PAD_TEMPLATE ("sink",
1707 GST_STATIC_CAPS (PULSE_SINK_TEMPLATE_CAPS));
1709 #define gst_pulsesink_parent_class parent_class
1710 G_DEFINE_TYPE_WITH_CODE (GstPulseSink, gst_pulsesink, GST_TYPE_AUDIO_BASE_SINK,
1711 gst_pulsesink_init_contexts ();
1712 G_IMPLEMENT_INTERFACE (GST_TYPE_STREAM_VOLUME, NULL)
1715 static GstAudioRingBuffer *
1716 gst_pulsesink_create_ringbuffer (GstAudioBaseSink * sink)
1718 GstAudioRingBuffer *buffer;
1720 GST_DEBUG_OBJECT (sink, "creating ringbuffer");
1721 buffer = g_object_new (GST_TYPE_PULSERING_BUFFER, NULL);
1722 GST_DEBUG_OBJECT (sink, "created ringbuffer @%p", buffer);
1728 gst_pulsesink_payload (GstAudioBaseSink * sink, GstBuffer * buf)
1730 switch (sink->ringbuffer->spec.type) {
1731 case GST_AUDIO_RING_BUFFER_FORMAT_TYPE_AC3:
1732 case GST_AUDIO_RING_BUFFER_FORMAT_TYPE_EAC3:
1733 case GST_AUDIO_RING_BUFFER_FORMAT_TYPE_DTS:
1734 case GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG:
1736 /* FIXME: alloc memory from PA if possible */
1737 gint framesize = gst_audio_iec61937_frame_size (&sink->ringbuffer->spec);
1739 guint8 *indata, *outdata;
1740 gsize insize, outsize;
1746 out = gst_buffer_new_and_alloc (framesize);
1748 indata = gst_buffer_map (buf, &insize, NULL, GST_MAP_READ);
1749 outdata = gst_buffer_map (out, &outsize, NULL, GST_MAP_WRITE);
1751 res = gst_audio_iec61937_payload (indata, insize,
1752 outdata, outsize, &sink->ringbuffer->spec);
1754 gst_buffer_unmap (buf, indata, insize);
1755 gst_buffer_unmap (out, outdata, outsize);
1758 gst_buffer_unref (out);
1762 gst_buffer_copy_into (out, buf, GST_BUFFER_COPY_METADATA, 0, -1);
1767 return gst_buffer_ref (buf);
1772 gst_pulsesink_class_init (GstPulseSinkClass * klass)
1774 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
1775 GstBaseSinkClass *gstbasesink_class = GST_BASE_SINK_CLASS (klass);
1776 GstBaseSinkClass *bc;
1777 GstAudioBaseSinkClass *gstaudiosink_class = GST_AUDIO_BASE_SINK_CLASS (klass);
1778 GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
1781 gobject_class->finalize = gst_pulsesink_finalize;
1782 gobject_class->set_property = gst_pulsesink_set_property;
1783 gobject_class->get_property = gst_pulsesink_get_property;
1785 gstbasesink_class->event = GST_DEBUG_FUNCPTR (gst_pulsesink_event);
1786 gstbasesink_class->query = GST_DEBUG_FUNCPTR (gst_pulsesink_query);
1788 /* restore the original basesink pull methods */
1789 bc = g_type_class_peek (GST_TYPE_BASE_SINK);
1790 gstbasesink_class->activate_pull = GST_DEBUG_FUNCPTR (bc->activate_pull);
1792 gstelement_class->change_state =
1793 GST_DEBUG_FUNCPTR (gst_pulsesink_change_state);
1795 gstaudiosink_class->create_ringbuffer =
1796 GST_DEBUG_FUNCPTR (gst_pulsesink_create_ringbuffer);
1797 gstaudiosink_class->payload = GST_DEBUG_FUNCPTR (gst_pulsesink_payload);
1799 /* Overwrite GObject fields */
1800 g_object_class_install_property (gobject_class,
1802 g_param_spec_string ("server", "Server",
1803 "The PulseAudio server to connect to", DEFAULT_SERVER,
1804 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1806 g_object_class_install_property (gobject_class, PROP_DEVICE,
1807 g_param_spec_string ("device", "Device",
1808 "The PulseAudio sink device to connect to", DEFAULT_DEVICE,
1809 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1811 g_object_class_install_property (gobject_class,
1813 g_param_spec_string ("device-name", "Device name",
1814 "Human-readable name of the sound device", DEFAULT_DEVICE_NAME,
1815 G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
1817 g_object_class_install_property (gobject_class,
1819 g_param_spec_double ("volume", "Volume",
1820 "Linear volume of this stream, 1.0=100%", 0.0, MAX_VOLUME,
1821 DEFAULT_VOLUME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1822 g_object_class_install_property (gobject_class,
1824 g_param_spec_boolean ("mute", "Mute",
1825 "Mute state of this stream", DEFAULT_MUTE,
1826 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1829 * GstPulseSink:client-name
1831 * The PulseAudio client name to use.
1833 clientname = gst_pulse_client_name ();
1834 g_object_class_install_property (gobject_class,
1836 g_param_spec_string ("client-name", "Client Name",
1837 "The PulseAudio client name to use", clientname,
1838 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
1839 GST_PARAM_MUTABLE_READY));
1840 g_free (clientname);
1843 * GstPulseSink:stream-properties
1845 * List of pulseaudio stream properties. A list of defined properties can be
1846 * found in the <ulink url="http://0pointer.de/lennart/projects/pulseaudio/doxygen/proplist_8h.html">pulseaudio api docs</ulink>.
1848 * Below is an example for registering as a music application to pulseaudio.
1850 * GstStructure *props;
1852 * props = gst_structure_from_string ("props,media.role=music", NULL);
1853 * g_object_set (pulse, "stream-properties", props, NULL);
1854 * gst_structure_free
1859 g_object_class_install_property (gobject_class,
1860 PROP_STREAM_PROPERTIES,
1861 g_param_spec_boxed ("stream-properties", "stream properties",
1862 "list of pulseaudio stream properties",
1863 GST_TYPE_STRUCTURE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1865 gst_element_class_set_details_simple (gstelement_class,
1866 "PulseAudio Audio Sink",
1867 "Sink/Audio", "Plays audio to a PulseAudio server", "Lennart Poettering");
1868 gst_element_class_add_pad_template (gstelement_class,
1869 gst_static_pad_template_get (&pad_template));
1872 /* returns the current time of the sink ringbuffer */
1874 gst_pulsesink_get_time (GstClock * clock, GstAudioBaseSink * sink)
1876 GstPulseSink *psink;
1877 GstPulseRingBuffer *pbuf;
1880 if (!sink->ringbuffer || !sink->ringbuffer->acquired)
1881 return GST_CLOCK_TIME_NONE;
1883 pbuf = GST_PULSERING_BUFFER_CAST (sink->ringbuffer);
1884 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
1886 if (g_atomic_int_get (&psink->format_lost)) {
1887 /* Stream was lost in a format change, it'll get set up again once
1888 * upstream renegotiates */
1889 return psink->format_lost_time;
1892 pa_threaded_mainloop_lock (mainloop);
1893 if (gst_pulsering_is_dead (psink, pbuf, TRUE))
1896 /* if we don't have enough data to get a timestamp, just return NONE, which
1897 * will return the last reported time */
1898 if (pa_stream_get_time (pbuf->stream, &time) < 0) {
1899 GST_DEBUG_OBJECT (psink, "could not get time");
1900 time = GST_CLOCK_TIME_NONE;
1903 pa_threaded_mainloop_unlock (mainloop);
1905 GST_LOG_OBJECT (psink, "current time is %" GST_TIME_FORMAT,
1906 GST_TIME_ARGS (time));
1913 GST_DEBUG_OBJECT (psink, "the server is dead");
1914 pa_threaded_mainloop_unlock (mainloop);
1916 return GST_CLOCK_TIME_NONE;
1921 gst_pulsesink_sink_info_cb (pa_context * c, const pa_sink_info * i, int eol,
1924 GstPulseRingBuffer *pbuf;
1925 GstPulseSink *psink;
1929 pbuf = GST_PULSERING_BUFFER_CAST (userdata);
1930 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
1935 g_free (psink->device_description);
1936 psink->device_description = g_strdup (i->description);
1938 g_mutex_lock (psink->sink_formats_lock);
1940 for (l = g_list_first (psink->sink_formats); l; l = g_list_next (l))
1941 pa_format_info_free ((pa_format_info *) l->data);
1943 g_list_free (psink->sink_formats);
1944 psink->sink_formats = NULL;
1946 for (j = 0; j < i->n_formats; j++)
1947 psink->sink_formats = g_list_prepend (psink->sink_formats,
1948 pa_format_info_copy (i->formats[j]));
1950 g_mutex_unlock (psink->sink_formats_lock);
1953 pa_threaded_mainloop_signal (mainloop, 0);
1957 gst_pulsesink_query_acceptcaps (GstPulseSink * psink, GstCaps * caps)
1959 GstPulseRingBuffer *pbuf = GST_PULSERING_BUFFER_CAST (GST_AUDIO_BASE_SINK
1960 (psink)->ringbuffer);
1961 GstPad *pad = GST_BASE_SINK_PAD (psink);
1964 gboolean ret = FALSE;
1966 GstAudioRingBufferSpec spec = { 0 };
1967 pa_stream *stream = NULL;
1968 pa_operation *o = NULL;
1969 pa_channel_map channel_map;
1970 pa_stream_flags_t flags;
1971 pa_format_info *format = NULL, *formats[1];
1974 pad_caps = gst_pad_query_caps (pad, caps);
1975 ret = pad_caps != NULL;
1976 gst_caps_unref (pad_caps);
1978 /* Either template caps didn't match, or we're still in NULL state */
1979 if (!ret || !pbuf->context)
1982 /* If we've not got fixed caps, creating a stream might fail, so let's just
1983 * return from here with default acceptcaps behaviour */
1984 if (!gst_caps_is_fixed (caps))
1989 pa_threaded_mainloop_lock (mainloop);
1991 spec.latency_time = GST_AUDIO_BASE_SINK (psink)->latency_time;
1992 if (!gst_audio_ring_buffer_parse_caps (&spec, caps))
1995 if (!gst_pulse_fill_format_info (&spec, &format, &channels))
1998 /* Make sure input is framed (one frame per buffer) and can be payloaded */
1999 if (!pa_format_info_is_pcm (format)) {
2000 gboolean framed = FALSE, parsed = FALSE;
2001 st = gst_caps_get_structure (caps, 0);
2003 gst_structure_get_boolean (st, "framed", &framed);
2004 gst_structure_get_boolean (st, "parsed", &parsed);
2005 if ((!framed && !parsed) || gst_audio_iec61937_frame_size (&spec) <= 0)
2009 /* initialize the channel map */
2010 if (pa_format_info_is_pcm (format) &&
2011 gst_pulse_gst_to_channel_map (&channel_map, &spec))
2012 pa_format_info_set_channel_map (format, &channel_map);
2015 /* We're already in PAUSED or above, so just reuse this stream to query
2016 * sink formats and use those. */
2019 if (!(o = pa_context_get_sink_info_by_name (pbuf->context, psink->device,
2020 gst_pulsesink_sink_info_cb, pbuf)))
2023 while (pa_operation_get_state (o) == PA_OPERATION_RUNNING) {
2024 pa_threaded_mainloop_wait (mainloop);
2025 if (gst_pulsering_is_dead (psink, pbuf, TRUE))
2029 g_mutex_lock (psink->sink_formats_lock);
2030 for (i = g_list_first (psink->sink_formats); i; i = g_list_next (i)) {
2031 if (pa_format_info_is_compatible ((pa_format_info *) i->data, format)) {
2036 g_mutex_unlock (psink->sink_formats_lock);
2038 /* We're in READY, let's connect a stream to see if the format is
2039 * accpeted by whatever sink we're routed to */
2040 formats[0] = format;
2042 if (!(stream = pa_stream_new_extended (pbuf->context, "pulsesink probe",
2043 formats, 1, psink->proplist)))
2046 /* construct the flags */
2047 flags = PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE |
2048 PA_STREAM_ADJUST_LATENCY | PA_STREAM_START_CORKED;
2050 pa_stream_set_state_callback (stream, gst_pulsering_stream_state_cb, pbuf);
2052 if (pa_stream_connect_playback (stream, psink->device, NULL, flags, NULL,
2056 ret = gst_pulsering_wait_for_stream_ready (psink, stream);
2061 pa_format_info_free (format);
2064 pa_operation_unref (o);
2067 pa_stream_set_state_callback (stream, NULL, NULL);
2068 pa_stream_disconnect (stream);
2069 pa_stream_unref (stream);
2072 pa_threaded_mainloop_unlock (mainloop);
2079 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
2080 ("pa_context_get_sink_input_info() failed: %s",
2081 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
2087 gst_pulsesink_init (GstPulseSink * pulsesink)
2089 pulsesink->server = NULL;
2090 pulsesink->device = NULL;
2091 pulsesink->device_description = NULL;
2092 pulsesink->client_name = gst_pulse_client_name ();
2094 pulsesink->sink_formats_lock = g_mutex_new ();
2095 pulsesink->sink_formats = NULL;
2097 pulsesink->volume = DEFAULT_VOLUME;
2098 pulsesink->volume_set = FALSE;
2100 pulsesink->mute = DEFAULT_MUTE;
2101 pulsesink->mute_set = FALSE;
2103 pulsesink->notify = 0;
2105 g_atomic_int_set (&pulsesink->format_lost, FALSE);
2106 pulsesink->format_lost_time = GST_CLOCK_TIME_NONE;
2108 pulsesink->properties = NULL;
2109 pulsesink->proplist = NULL;
2111 /* override with a custom clock */
2112 if (GST_AUDIO_BASE_SINK (pulsesink)->provided_clock)
2113 gst_object_unref (GST_AUDIO_BASE_SINK (pulsesink)->provided_clock);
2115 GST_AUDIO_BASE_SINK (pulsesink)->provided_clock =
2116 gst_audio_clock_new ("GstPulseSinkClock",
2117 (GstAudioClockGetTimeFunc) gst_pulsesink_get_time, pulsesink, NULL);
2119 /* TRUE for sinks, FALSE for sources */
2120 pulsesink->probe = gst_pulseprobe_new (G_OBJECT (pulsesink),
2121 G_OBJECT_GET_CLASS (pulsesink), PROP_DEVICE, pulsesink->device,
2126 gst_pulsesink_finalize (GObject * object)
2128 GstPulseSink *pulsesink = GST_PULSESINK_CAST (object);
2131 g_free (pulsesink->server);
2132 g_free (pulsesink->device);
2133 g_free (pulsesink->device_description);
2134 g_free (pulsesink->client_name);
2136 for (i = g_list_first (pulsesink->sink_formats); i; i = g_list_next (i))
2137 pa_format_info_free ((pa_format_info *) i->data);
2139 g_list_free (pulsesink->sink_formats);
2140 g_mutex_free (pulsesink->sink_formats_lock);
2142 if (pulsesink->properties)
2143 gst_structure_free (pulsesink->properties);
2144 if (pulsesink->proplist)
2145 pa_proplist_free (pulsesink->proplist);
2147 if (pulsesink->probe) {
2148 gst_pulseprobe_free (pulsesink->probe);
2149 pulsesink->probe = NULL;
2152 G_OBJECT_CLASS (parent_class)->finalize (object);
2156 gst_pulsesink_set_volume (GstPulseSink * psink, gdouble volume)
2159 pa_operation *o = NULL;
2160 GstPulseRingBuffer *pbuf;
2166 pa_threaded_mainloop_lock (mainloop);
2168 GST_DEBUG_OBJECT (psink, "setting volume to %f", volume);
2170 pbuf = GST_PULSERING_BUFFER_CAST (GST_AUDIO_BASE_SINK (psink)->ringbuffer);
2171 if (pbuf == NULL || pbuf->stream == NULL)
2174 if ((idx = pa_stream_get_index (pbuf->stream)) == PA_INVALID_INDEX)
2178 gst_pulse_cvolume_from_linear (&v, pbuf->channels, volume);
2180 /* FIXME: this will eventually be superceded by checks to see if the volume
2181 * is readable/writable */
2184 if (!(o = pa_context_set_sink_input_volume (pbuf->context, idx,
2188 /* We don't really care about the result of this call */
2192 pa_operation_unref (o);
2194 pa_threaded_mainloop_unlock (mainloop);
2201 psink->volume = volume;
2202 psink->volume_set = TRUE;
2204 GST_DEBUG_OBJECT (psink, "we have no mainloop");
2209 psink->volume = volume;
2210 psink->volume_set = TRUE;
2212 GST_DEBUG_OBJECT (psink, "we have no ringbuffer");
2217 GST_DEBUG_OBJECT (psink, "we don't have a stream index");
2222 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
2223 ("pa_stream_set_sink_input_volume() failed: %s",
2224 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
2230 gst_pulsesink_set_mute (GstPulseSink * psink, gboolean mute)
2232 pa_operation *o = NULL;
2233 GstPulseRingBuffer *pbuf;
2239 pa_threaded_mainloop_lock (mainloop);
2241 GST_DEBUG_OBJECT (psink, "setting mute state to %d", mute);
2243 pbuf = GST_PULSERING_BUFFER_CAST (GST_AUDIO_BASE_SINK (psink)->ringbuffer);
2244 if (pbuf == NULL || pbuf->stream == NULL)
2247 if ((idx = pa_stream_get_index (pbuf->stream)) == PA_INVALID_INDEX)
2250 if (!(o = pa_context_set_sink_input_mute (pbuf->context, idx,
2254 /* We don't really care about the result of this call */
2258 pa_operation_unref (o);
2260 pa_threaded_mainloop_unlock (mainloop);
2268 psink->mute_set = TRUE;
2270 GST_DEBUG_OBJECT (psink, "we have no mainloop");
2276 psink->mute_set = TRUE;
2278 GST_DEBUG_OBJECT (psink, "we have no ringbuffer");
2283 GST_DEBUG_OBJECT (psink, "we don't have a stream index");
2288 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
2289 ("pa_stream_set_sink_input_mute() failed: %s",
2290 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
2296 gst_pulsesink_sink_input_info_cb (pa_context * c, const pa_sink_input_info * i,
2297 int eol, void *userdata)
2299 GstPulseRingBuffer *pbuf;
2300 GstPulseSink *psink;
2302 pbuf = GST_PULSERING_BUFFER_CAST (userdata);
2303 psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
2311 /* If the index doesn't match our current stream,
2312 * it implies we just recreated the stream (caps change)
2314 if (i->index == pa_stream_get_index (pbuf->stream)) {
2315 psink->volume = pa_sw_volume_to_linear (pa_cvolume_max (&i->volume));
2316 psink->mute = i->mute;
2320 pa_threaded_mainloop_signal (mainloop, 0);
2324 gst_pulsesink_get_volume (GstPulseSink * psink)
2326 GstPulseRingBuffer *pbuf;
2327 pa_operation *o = NULL;
2328 gdouble v = DEFAULT_VOLUME;
2334 pa_threaded_mainloop_lock (mainloop);
2336 pbuf = GST_PULSERING_BUFFER_CAST (GST_AUDIO_BASE_SINK (psink)->ringbuffer);
2337 if (pbuf == NULL || pbuf->stream == NULL)
2340 if ((idx = pa_stream_get_index (pbuf->stream)) == PA_INVALID_INDEX)
2343 if (!(o = pa_context_get_sink_input_info (pbuf->context, idx,
2344 gst_pulsesink_sink_input_info_cb, pbuf)))
2347 while (pa_operation_get_state (o) == PA_OPERATION_RUNNING) {
2348 pa_threaded_mainloop_wait (mainloop);
2349 if (gst_pulsering_is_dead (psink, pbuf, TRUE))
2357 pa_operation_unref (o);
2359 pa_threaded_mainloop_unlock (mainloop);
2361 if (v > MAX_VOLUME) {
2362 GST_WARNING_OBJECT (psink, "Clipped volume from %f to %f", v, MAX_VOLUME);
2372 GST_DEBUG_OBJECT (psink, "we have no mainloop");
2377 GST_DEBUG_OBJECT (psink, "we have no ringbuffer");
2382 GST_DEBUG_OBJECT (psink, "we don't have a stream index");
2387 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
2388 ("pa_context_get_sink_input_info() failed: %s",
2389 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
2395 gst_pulsesink_get_mute (GstPulseSink * psink)
2397 GstPulseRingBuffer *pbuf;
2398 pa_operation *o = NULL;
2400 gboolean mute = FALSE;
2405 pa_threaded_mainloop_lock (mainloop);
2408 pbuf = GST_PULSERING_BUFFER_CAST (GST_AUDIO_BASE_SINK (psink)->ringbuffer);
2409 if (pbuf == NULL || pbuf->stream == NULL)
2412 if ((idx = pa_stream_get_index (pbuf->stream)) == PA_INVALID_INDEX)
2415 if (!(o = pa_context_get_sink_input_info (pbuf->context, idx,
2416 gst_pulsesink_sink_input_info_cb, pbuf)))
2419 while (pa_operation_get_state (o) == PA_OPERATION_RUNNING) {
2420 pa_threaded_mainloop_wait (mainloop);
2421 if (gst_pulsering_is_dead (psink, pbuf, TRUE))
2427 pa_operation_unref (o);
2429 pa_threaded_mainloop_unlock (mainloop);
2437 GST_DEBUG_OBJECT (psink, "we have no mainloop");
2442 GST_DEBUG_OBJECT (psink, "we have no ringbuffer");
2447 GST_DEBUG_OBJECT (psink, "we don't have a stream index");
2452 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
2453 ("pa_context_get_sink_input_info() failed: %s",
2454 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
2460 gst_pulsesink_device_description (GstPulseSink * psink)
2462 GstPulseRingBuffer *pbuf;
2463 pa_operation *o = NULL;
2469 pa_threaded_mainloop_lock (mainloop);
2470 pbuf = GST_PULSERING_BUFFER_CAST (GST_AUDIO_BASE_SINK (psink)->ringbuffer);
2474 if (!(o = pa_context_get_sink_info_by_name (pbuf->context,
2475 psink->device, gst_pulsesink_sink_info_cb, pbuf)))
2478 while (pa_operation_get_state (o) == PA_OPERATION_RUNNING) {
2479 pa_threaded_mainloop_wait (mainloop);
2480 if (gst_pulsering_is_dead (psink, pbuf, FALSE))
2486 pa_operation_unref (o);
2488 t = g_strdup (psink->device_description);
2489 pa_threaded_mainloop_unlock (mainloop);
2496 GST_DEBUG_OBJECT (psink, "we have no mainloop");
2501 GST_DEBUG_OBJECT (psink, "we have no ringbuffer");
2506 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
2507 ("pa_context_get_sink_info_by_index() failed: %s",
2508 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
2514 gst_pulsesink_set_property (GObject * object,
2515 guint prop_id, const GValue * value, GParamSpec * pspec)
2517 GstPulseSink *pulsesink = GST_PULSESINK_CAST (object);
2521 g_free (pulsesink->server);
2522 pulsesink->server = g_value_dup_string (value);
2523 if (pulsesink->probe)
2524 gst_pulseprobe_set_server (pulsesink->probe, pulsesink->server);
2527 g_free (pulsesink->device);
2528 pulsesink->device = g_value_dup_string (value);
2531 gst_pulsesink_set_volume (pulsesink, g_value_get_double (value));
2534 gst_pulsesink_set_mute (pulsesink, g_value_get_boolean (value));
2536 case PROP_CLIENT_NAME:
2537 g_free (pulsesink->client_name);
2538 if (!g_value_get_string (value)) {
2539 GST_WARNING_OBJECT (pulsesink,
2540 "Empty PulseAudio client name not allowed. Resetting to default value");
2541 pulsesink->client_name = gst_pulse_client_name ();
2543 pulsesink->client_name = g_value_dup_string (value);
2545 case PROP_STREAM_PROPERTIES:
2546 if (pulsesink->properties)
2547 gst_structure_free (pulsesink->properties);
2548 pulsesink->properties =
2549 gst_structure_copy (gst_value_get_structure (value));
2550 if (pulsesink->proplist)
2551 pa_proplist_free (pulsesink->proplist);
2552 pulsesink->proplist = gst_pulse_make_proplist (pulsesink->properties);
2555 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2561 gst_pulsesink_get_property (GObject * object,
2562 guint prop_id, GValue * value, GParamSpec * pspec)
2565 GstPulseSink *pulsesink = GST_PULSESINK_CAST (object);
2569 g_value_set_string (value, pulsesink->server);
2572 g_value_set_string (value, pulsesink->device);
2574 case PROP_DEVICE_NAME:
2575 g_value_take_string (value, gst_pulsesink_device_description (pulsesink));
2578 g_value_set_double (value, gst_pulsesink_get_volume (pulsesink));
2581 g_value_set_boolean (value, gst_pulsesink_get_mute (pulsesink));
2583 case PROP_CLIENT_NAME:
2584 g_value_set_string (value, pulsesink->client_name);
2586 case PROP_STREAM_PROPERTIES:
2587 gst_value_set_structure (value, pulsesink->properties);
2590 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2596 gst_pulsesink_change_title (GstPulseSink * psink, const gchar * t)
2598 pa_operation *o = NULL;
2599 GstPulseRingBuffer *pbuf;
2601 pa_threaded_mainloop_lock (mainloop);
2603 pbuf = GST_PULSERING_BUFFER_CAST (GST_AUDIO_BASE_SINK (psink)->ringbuffer);
2605 if (pbuf == NULL || pbuf->stream == NULL)
2608 g_free (pbuf->stream_name);
2609 pbuf->stream_name = g_strdup (t);
2611 if (!(o = pa_stream_set_name (pbuf->stream, pbuf->stream_name, NULL, NULL)))
2614 /* We're not interested if this operation failed or not */
2618 pa_operation_unref (o);
2619 pa_threaded_mainloop_unlock (mainloop);
2626 GST_DEBUG_OBJECT (psink, "we have no ringbuffer");
2631 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
2632 ("pa_stream_set_name() failed: %s",
2633 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
2639 gst_pulsesink_change_props (GstPulseSink * psink, GstTagList * l)
2641 static const gchar *const map[] = {
2642 GST_TAG_TITLE, PA_PROP_MEDIA_TITLE,
2644 /* might get overriden in the next iteration by GST_TAG_ARTIST */
2645 GST_TAG_PERFORMER, PA_PROP_MEDIA_ARTIST,
2647 GST_TAG_ARTIST, PA_PROP_MEDIA_ARTIST,
2648 GST_TAG_LANGUAGE_CODE, PA_PROP_MEDIA_LANGUAGE,
2649 GST_TAG_LOCATION, PA_PROP_MEDIA_FILENAME,
2650 /* We might add more here later on ... */
2653 pa_proplist *pl = NULL;
2654 const gchar *const *t;
2655 gboolean empty = TRUE;
2656 pa_operation *o = NULL;
2657 GstPulseRingBuffer *pbuf;
2659 pl = pa_proplist_new ();
2661 for (t = map; *t; t += 2) {
2664 if (gst_tag_list_get_string (l, *t, &n)) {
2667 pa_proplist_sets (pl, *(t + 1), n);
2677 pa_threaded_mainloop_lock (mainloop);
2678 pbuf = GST_PULSERING_BUFFER_CAST (GST_AUDIO_BASE_SINK (psink)->ringbuffer);
2679 if (pbuf == NULL || pbuf->stream == NULL)
2682 if (!(o = pa_stream_proplist_update (pbuf->stream, PA_UPDATE_REPLACE,
2686 /* We're not interested if this operation failed or not */
2690 pa_operation_unref (o);
2692 pa_threaded_mainloop_unlock (mainloop);
2697 pa_proplist_free (pl);
2704 GST_DEBUG_OBJECT (psink, "we have no ringbuffer");
2709 GST_ELEMENT_ERROR (psink, RESOURCE, FAILED,
2710 ("pa_stream_proplist_update() failed: %s",
2711 pa_strerror (pa_context_errno (pbuf->context))), (NULL));
2717 gst_pulsesink_flush_ringbuffer (GstPulseSink * psink)
2719 GstPulseRingBuffer *pbuf;
2721 pa_threaded_mainloop_lock (mainloop);
2723 pbuf = GST_PULSERING_BUFFER_CAST (GST_AUDIO_BASE_SINK (psink)->ringbuffer);
2725 if (pbuf == NULL || pbuf->stream == NULL)
2728 gst_pulsering_flush (pbuf);
2730 /* Uncork if we haven't already (happens when waiting to get enough data
2731 * to send out the first time) */
2733 gst_pulsering_set_corked (pbuf, FALSE, FALSE);
2735 /* We're not interested if this operation failed or not */
2737 pa_threaded_mainloop_unlock (mainloop);
2744 GST_DEBUG_OBJECT (psink, "we have no ringbuffer");
2750 gst_pulsesink_event (GstBaseSink * sink, GstEvent * event)
2752 GstPulseSink *pulsesink = GST_PULSESINK_CAST (sink);
2754 switch (GST_EVENT_TYPE (event)) {
2755 case GST_EVENT_TAG:{
2756 gchar *title = NULL, *artist = NULL, *location = NULL, *description =
2757 NULL, *t = NULL, *buf = NULL;
2760 gst_event_parse_tag (event, &l);
2762 gst_tag_list_get_string (l, GST_TAG_TITLE, &title);
2763 gst_tag_list_get_string (l, GST_TAG_ARTIST, &artist);
2764 gst_tag_list_get_string (l, GST_TAG_LOCATION, &location);
2765 gst_tag_list_get_string (l, GST_TAG_DESCRIPTION, &description);
2768 gst_tag_list_get_string (l, GST_TAG_PERFORMER, &artist);
2770 if (title && artist)
2771 /* TRANSLATORS: 'song title' by 'artist name' */
2772 t = buf = g_strdup_printf (_("'%s' by '%s'"), g_strstrip (title),
2773 g_strstrip (artist));
2775 t = g_strstrip (title);
2776 else if (description)
2777 t = g_strstrip (description);
2779 t = g_strstrip (location);
2782 gst_pulsesink_change_title (pulsesink, t);
2787 g_free (description);
2790 gst_pulsesink_change_props (pulsesink, l);
2795 gst_pulsesink_flush_ringbuffer (pulsesink);
2801 return GST_BASE_SINK_CLASS (parent_class)->event (sink, event);
2805 gst_pulsesink_query (GstBaseSink * sink, GstQuery * query)
2807 GstPulseSink *pulsesink = GST_PULSESINK_CAST (sink);
2810 switch (GST_QUERY_TYPE (query)) {
2811 case GST_QUERY_ACCEPT_CAPS:
2815 gst_query_parse_accept_caps (query, &caps);
2816 ret = gst_pulsesink_query_acceptcaps (pulsesink, caps);
2817 gst_query_set_accept_caps_result (query, ret);
2822 ret = GST_BASE_SINK_CLASS (parent_class)->query (sink, query);
2829 gst_pulsesink_release_mainloop (GstPulseSink * psink)
2834 pa_threaded_mainloop_lock (mainloop);
2835 while (psink->defer_pending) {
2836 GST_DEBUG_OBJECT (psink, "waiting for stream status message emission");
2837 pa_threaded_mainloop_wait (mainloop);
2839 pa_threaded_mainloop_unlock (mainloop);
2841 g_mutex_lock (pa_shared_resource_mutex);
2843 if (!mainloop_ref_ct) {
2844 GST_INFO_OBJECT (psink, "terminating pa main loop thread");
2845 pa_threaded_mainloop_stop (mainloop);
2846 pa_threaded_mainloop_free (mainloop);
2849 g_mutex_unlock (pa_shared_resource_mutex);
2852 static GstStateChangeReturn
2853 gst_pulsesink_change_state (GstElement * element, GstStateChange transition)
2855 GstPulseSink *pulsesink = GST_PULSESINK (element);
2856 GstStateChangeReturn ret;
2858 switch (transition) {
2859 case GST_STATE_CHANGE_NULL_TO_READY:
2860 g_mutex_lock (pa_shared_resource_mutex);
2861 if (!mainloop_ref_ct) {
2862 GST_INFO_OBJECT (element, "new pa main loop thread");
2863 if (!(mainloop = pa_threaded_mainloop_new ()))
2864 goto mainloop_failed;
2865 mainloop_ref_ct = 1;
2866 pa_threaded_mainloop_start (mainloop);
2867 g_mutex_unlock (pa_shared_resource_mutex);
2869 GST_INFO_OBJECT (element, "reusing pa main loop thread");
2871 g_mutex_unlock (pa_shared_resource_mutex);
2874 case GST_STATE_CHANGE_READY_TO_PAUSED:
2875 gst_element_post_message (element,
2876 gst_message_new_clock_provide (GST_OBJECT_CAST (element),
2877 GST_AUDIO_BASE_SINK (pulsesink)->provided_clock, TRUE));
2884 ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
2885 if (ret == GST_STATE_CHANGE_FAILURE)
2888 switch (transition) {
2889 case GST_STATE_CHANGE_PAUSED_TO_READY:
2890 /* format_lost is reset in release() in audiobasesink */
2891 gst_element_post_message (element,
2892 gst_message_new_clock_lost (GST_OBJECT_CAST (element),
2893 GST_AUDIO_BASE_SINK (pulsesink)->provided_clock));
2895 case GST_STATE_CHANGE_READY_TO_NULL:
2896 gst_pulsesink_release_mainloop (pulsesink);
2907 g_mutex_unlock (pa_shared_resource_mutex);
2908 GST_ELEMENT_ERROR (pulsesink, RESOURCE, FAILED,
2909 ("pa_threaded_mainloop_new() failed"), (NULL));
2910 return GST_STATE_CHANGE_FAILURE;
2914 if (transition == GST_STATE_CHANGE_NULL_TO_READY) {
2915 /* Clear the PA mainloop if audiobasesink failed to open the ring_buffer */
2916 g_assert (mainloop);
2917 gst_pulsesink_release_mainloop (pulsesink);