static gboolean vorbis_dec_src_event (GstPad * pad, GstEvent * event) { gboolean res = TRUE; GstVorbisDec *dec; dec = GST_VORBIS_DEC (gst_pad_get_parent (pad)); if (G_UNLIKELY (dec == NULL)) { gst_event_unref (event); return FALSE; } switch (GST_EVENT_TYPE (event)) { case GST_EVENT_SEEK: { GstFormat format, tformat; gdouble rate; GstEvent *real_seek; GstSeekFlags flags; GstSeekType cur_type, stop_type; gint64 cur, stop; gint64 tcur, tstop; guint32 seqnum; gst_event_parse_seek (event, &rate, &format, &flags, &cur_type, &cur, &stop_type, &stop); seqnum = gst_event_get_seqnum (event); gst_event_unref (event); /* First bring the requested format to time */ tformat = GST_FORMAT_TIME; if (!(res = vorbis_dec_convert (pad, format, cur, &tformat, &tcur))) goto convert_error; if (!(res = vorbis_dec_convert (pad, format, stop, &tformat, &tstop))) goto convert_error; /* then seek with time on the peer */ real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME, flags, cur_type, tcur, stop_type, tstop); gst_event_set_seqnum (real_seek, seqnum); res = gst_pad_push_event (dec->sinkpad, real_seek); break; } default: res = gst_pad_push_event (dec->sinkpad, event); break; } done: gst_object_unref (dec); return res; /* ERRORS */ convert_error: { GST_DEBUG_OBJECT (dec, "cannot convert start/stop for seek"); goto done; } }
static gboolean gst_decklink_sink_audiosink_event (GstPad * pad, GstObject * parent, GstEvent * event) { gboolean res; GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (parent); GST_DEBUG_OBJECT (pad, "event: %" GST_PTR_FORMAT, event); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_EOS: /* FIXME: EOS aggregation with video pad looks wrong */ decklinksink->audio_eos = TRUE; decklinksink->audio_seqnum = gst_event_get_seqnum (event); res = gst_pad_event_default (pad, parent, event); break; default: res = gst_pad_event_default (pad, parent, event); break; } return res; }
static gboolean _send_event (GstElement * element, GstEvent * event) { GstAggregator *self = GST_AGGREGATOR (element); GST_STATE_LOCK (element); if (GST_EVENT_TYPE (event) == GST_EVENT_SEEK && GST_STATE (element) < GST_STATE_PAUSED) { gdouble rate; GstFormat fmt; GstSeekFlags flags; GstSeekType start_type, stop_type; gint64 start, stop; gst_event_parse_seek (event, &rate, &fmt, &flags, &start_type, &start, &stop_type, &stop); gst_segment_do_seek (&self->segment, rate, fmt, flags, start_type, start, stop_type, stop, NULL); self->priv->seqnum = gst_event_get_seqnum (event); GST_DEBUG_OBJECT (element, "Storing segment %" GST_PTR_FORMAT, event); } GST_STATE_UNLOCK (element); return GST_ELEMENT_CLASS (aggregator_parent_class)->send_event (element, event); }
static gboolean _src_event (GstAggregator * self, GstEvent * event) { gboolean res = TRUE; switch (GST_EVENT_TYPE (event)) { case GST_EVENT_SEEK: { gst_event_ref (event); res = _do_seek (self, event); if (res) self->priv->seqnum = gst_event_get_seqnum (event); gst_event_unref (event); event = NULL; goto done; } case GST_EVENT_NAVIGATION: { /* navigation is rather pointless. */ res = FALSE; gst_event_unref (event); goto done; } default: { break; } } return _forward_event_to_all_sinkpads (self, event, FALSE); done: return res; }
static gboolean mpegtsmux_sink_event (GstPad * pad, GstEvent * event) { MpegTsMux *mux = GST_MPEG_TSMUX (gst_pad_get_parent (pad)); MpegTsPadData *ts_data; gboolean res = TRUE; gboolean forward = TRUE; ts_data = (MpegTsPadData *) gst_pad_get_element_private (pad); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_CUSTOM_DOWNSTREAM: { GstClockTime timestamp, stream_time, running_time; gboolean all_headers; guint count; if (!gst_video_event_is_force_key_unit (event)) goto out; forward = FALSE; gst_video_event_parse_downstream_force_key_unit (event, ×tamp, &stream_time, &running_time, &all_headers, &count); GST_INFO_OBJECT (mux, "have downstream force-key-unit event on pad %s, " "seqnum %d, running-time %" GST_TIME_FORMAT " count %d", gst_pad_get_name (pad), gst_event_get_seqnum (event), GST_TIME_ARGS (running_time), count); if (mux->force_key_unit_event != NULL) { GST_INFO_OBJECT (mux, "skipping downstream force key unit event " "as an upstream force key unit is already queued"); goto out; } if (!all_headers) goto out; mux->pending_key_unit_ts = running_time; gst_event_replace (&mux->force_key_unit_event, event); break; } default: break; } out: if (forward) res = ts_data->eventfunc (pad, event); gst_object_unref (mux); return res; }
static inline void _push_mandatory_events (GstAggregator * self) { GstAggregatorPrivate *priv = self->priv; if (g_atomic_int_get (&self->priv->send_stream_start)) { gchar s_id[32]; GST_INFO_OBJECT (self, "pushing stream start"); /* stream-start (FIXME: create id based on input ids) */ g_snprintf (s_id, sizeof (s_id), "agg-%08x", g_random_int ()); if (!gst_pad_push_event (self->srcpad, gst_event_new_stream_start (s_id))) { GST_WARNING_OBJECT (self->srcpad, "Sending stream start event failed"); } g_atomic_int_set (&self->priv->send_stream_start, FALSE); } if (self->priv->srccaps) { GST_INFO_OBJECT (self, "pushing caps: %" GST_PTR_FORMAT, self->priv->srccaps); if (!gst_pad_push_event (self->srcpad, gst_event_new_caps (self->priv->srccaps))) { GST_WARNING_OBJECT (self->srcpad, "Sending caps event failed"); } gst_caps_unref (self->priv->srccaps); self->priv->srccaps = NULL; } if (g_atomic_int_get (&self->priv->send_segment)) { if (!g_atomic_int_get (&self->priv->flush_seeking)) { GstEvent *segev = gst_event_new_segment (&self->segment); if (!self->priv->seqnum) self->priv->seqnum = gst_event_get_seqnum (segev); else gst_event_set_seqnum (segev, self->priv->seqnum); GST_DEBUG_OBJECT (self, "pushing segment %" GST_PTR_FORMAT, segev); gst_pad_push_event (self->srcpad, segev); g_atomic_int_set (&self->priv->send_segment, FALSE); } } if (priv->tags && priv->tags_changed) { gst_pad_push_event (self->srcpad, gst_event_new_tag (gst_tag_list_ref (priv->tags))); priv->tags_changed = FALSE; } }
static gboolean gst_decklink_sink_videosink_event (GstPad * pad, GstObject * parent, GstEvent * event) { gboolean res; GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (parent); GST_DEBUG_OBJECT (pad, "event: %" GST_PTR_FORMAT, event); switch (GST_EVENT_TYPE (event)) { /* FIXME: this makes no sense, template caps don't contain v210 */ #if 0 case GST_EVENT_CAPS:{ GstCaps *caps; gst_event_parse_caps (event, &caps); ret = gst_video_format_parse_caps (caps, &format, &width, &height); if (ret) { if (format == GST_VIDEO_FORMAT_v210) { decklinksink->pixel_format = bmdFormat10BitYUV; } else { decklinksink->pixel_format = bmdFormat8BitYUV; } } break; } #endif case GST_EVENT_EOS: /* FIXME: EOS aggregation with audio pad looks wrong */ decklinksink->video_eos = TRUE; decklinksink->video_seqnum = gst_event_get_seqnum (event); { GstMessage *message; message = gst_message_new_eos (GST_OBJECT_CAST (decklinksink)); gst_message_set_seqnum (message, decklinksink->video_seqnum); gst_element_post_message (GST_ELEMENT_CAST (decklinksink), message); } res = gst_pad_event_default (pad, parent, event); break; default: res = gst_pad_event_default (pad, parent, event); break; } return res; }
static GstEvent * check_pending_key_unit_event (GstEvent * pending_event, GstSegment * segment, GstClockTime timestamp, guint flags, GstClockTime pending_key_unit_ts) { GstClockTime running_time, stream_time; gboolean all_headers; guint count; GstEvent *event = NULL; g_return_val_if_fail (pending_event != NULL, NULL); g_return_val_if_fail (segment != NULL, NULL); if (pending_event == NULL) goto out; if (GST_CLOCK_TIME_IS_VALID (pending_key_unit_ts) && timestamp == GST_CLOCK_TIME_NONE) goto out; running_time = gst_segment_to_running_time (segment, GST_FORMAT_TIME, timestamp); GST_INFO ("now %" GST_TIME_FORMAT " wanted %" GST_TIME_FORMAT, GST_TIME_ARGS (running_time), GST_TIME_ARGS (pending_key_unit_ts)); if (GST_CLOCK_TIME_IS_VALID (pending_key_unit_ts) && running_time < pending_key_unit_ts) goto out; if (flags & GST_BUFFER_FLAG_DELTA_UNIT) { GST_INFO ("pending force key unit, waiting for keyframe"); goto out; } stream_time = gst_segment_to_stream_time (segment, GST_FORMAT_TIME, timestamp); gst_video_event_parse_upstream_force_key_unit (pending_event, NULL, &all_headers, &count); event = gst_video_event_new_downstream_force_key_unit (timestamp, stream_time, running_time, all_headers, count); gst_event_set_seqnum (event, gst_event_get_seqnum (pending_event)); out: return event; }
static gboolean gst_midi_parse_perform_seek (GstMidiParse * midiparse, GstEvent * event) { gboolean res = TRUE, tres; gdouble rate; GstFormat seek_format; GstSeekFlags flags; GstSeekType start_type, stop_type; gint64 start, stop; gboolean flush; gboolean update; GstSegment seeksegment; guint32 seqnum; GstEvent *tevent; GST_DEBUG_OBJECT (midiparse, "doing seek: %" GST_PTR_FORMAT, event); if (event) { gst_event_parse_seek (event, &rate, &seek_format, &flags, &start_type, &start, &stop_type, &stop); if (seek_format != GST_FORMAT_TIME) goto invalid_format; flush = flags & GST_SEEK_FLAG_FLUSH; seqnum = gst_event_get_seqnum (event); } else { flush = FALSE; /* get next seqnum */ seqnum = gst_util_seqnum_next (); } /* send flush start */ if (flush) { tevent = gst_event_new_flush_start (); gst_event_set_seqnum (tevent, seqnum); gst_pad_push_event (midiparse->srcpad, tevent); } else gst_pad_pause_task (midiparse->srcpad); /* grab streaming lock, this should eventually be possible, either * because the task is paused, our streaming thread stopped * or because our peer is flushing. */ GST_PAD_STREAM_LOCK (midiparse->sinkpad); if (G_UNLIKELY (midiparse->seqnum == seqnum)) { /* we have seen this event before, issue a warning for now */ GST_WARNING_OBJECT (midiparse, "duplicate event found %" G_GUINT32_FORMAT, seqnum); } else { midiparse->seqnum = seqnum; GST_DEBUG_OBJECT (midiparse, "seek with seqnum %" G_GUINT32_FORMAT, seqnum); } /* Copy the current segment info into the temp segment that we can actually * attempt the seek with. We only update the real segment if the seek succeeds. */ memcpy (&seeksegment, &midiparse->segment, sizeof (GstSegment)); /* now configure the final seek segment */ if (event) { gst_segment_do_seek (&seeksegment, rate, seek_format, flags, start_type, start, stop_type, stop, &update); } /* Else, no seek event passed, so we're just (re)starting the current segment. */ GST_DEBUG_OBJECT (midiparse, "segment configured from %" G_GINT64_FORMAT " to %" G_GINT64_FORMAT ", position %" G_GINT64_FORMAT, seeksegment.start, seeksegment.stop, seeksegment.position); /* do the seek, segment.position contains the new position. */ res = gst_midi_parse_do_seek (midiparse, &seeksegment); /* and prepare to continue streaming */ if (flush) { tevent = gst_event_new_flush_stop (TRUE); gst_event_set_seqnum (tevent, seqnum); /* send flush stop, peer will accept data and events again. We * are not yet providing data as we still have the STREAM_LOCK. */ gst_pad_push_event (midiparse->srcpad, tevent); } /* if the seek was successful, we update our real segment and push * out the new segment. */ if (res) { GST_OBJECT_LOCK (midiparse); memcpy (&midiparse->segment, &seeksegment, sizeof (GstSegment)); GST_OBJECT_UNLOCK (midiparse); if (seeksegment.flags & GST_SEGMENT_FLAG_SEGMENT) { GstMessage *message; message = gst_message_new_segment_start (GST_OBJECT (midiparse), seeksegment.format, seeksegment.position); gst_message_set_seqnum (message, seqnum); gst_element_post_message (GST_ELEMENT (midiparse), message); } /* for deriving a stop position for the playback segment from the seek * segment, we must take the duration when the stop is not set */ if ((stop = seeksegment.stop) == -1) stop = seeksegment.duration; midiparse->segment_pending = TRUE; midiparse->discont = TRUE; } /* and restart the task in case it got paused explicitly or by * the FLUSH_START event we pushed out. */ tres = gst_pad_start_task (midiparse->sinkpad, (GstTaskFunction) gst_midi_parse_loop, midiparse->sinkpad, NULL); if (res && !tres) res = FALSE; /* and release the lock again so we can continue streaming */ GST_PAD_STREAM_UNLOCK (midiparse->sinkpad); return res; /* ERROR */ invalid_format: { GST_DEBUG_OBJECT (midiparse, "Unsupported seek format %s", gst_format_get_name (seek_format)); return FALSE; } }
/* sinkpad functions */ static gboolean gst_stream_synchronizer_sink_event (GstPad * pad, GstObject * parent, GstEvent * event) { GstStreamSynchronizer *self = GST_STREAM_SYNCHRONIZER (parent); GstPad *opad; gboolean ret = FALSE; GST_LOG_OBJECT (pad, "Handling event %s: %" GST_PTR_FORMAT, GST_EVENT_TYPE_NAME (event), event); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_STREAM_START: { GstStream *stream, *ostream; guint32 seqnum = gst_event_get_seqnum (event); GList *l; gboolean all_wait = TRUE; gboolean new_stream = TRUE; GST_STREAM_SYNCHRONIZER_LOCK (self); stream = gst_pad_get_element_private (pad); if (stream && stream->stream_start_seqnum != seqnum) { stream->is_eos = FALSE; stream->stream_start_seqnum = seqnum; stream->drop_discont = TRUE; /* Check if this belongs to a stream that is already there, * e.g. we got the visualizations for an audio stream */ for (l = self->streams; l; l = l->next) { ostream = l->data; if (ostream != stream && ostream->stream_start_seqnum == seqnum && !ostream->wait) { new_stream = FALSE; break; } } if (!new_stream) { GST_DEBUG_OBJECT (pad, "Stream %d belongs to running stream %d, no waiting", stream->stream_number, ostream->stream_number); stream->wait = FALSE; stream->new_stream = FALSE; } else { GST_DEBUG_OBJECT (pad, "Stream %d changed", stream->stream_number); stream->wait = TRUE; stream->new_stream = TRUE; for (l = self->streams; l; l = l->next) { GstStream *ostream = l->data; all_wait = all_wait && ostream->wait; if (!all_wait) break; } if (all_wait) { gint64 position = 0; GST_DEBUG_OBJECT (self, "All streams have changed -- unblocking"); for (l = self->streams; l; l = l->next) { GstStream *ostream = l->data; gint64 stop_running_time; gint64 position_running_time; ostream->wait = FALSE; if (ostream->segment.format == GST_FORMAT_TIME) { stop_running_time = gst_segment_to_running_time (&ostream->segment, GST_FORMAT_TIME, ostream->segment.stop); position_running_time = gst_segment_to_running_time (&ostream->segment, GST_FORMAT_TIME, ostream->segment.position); position = MAX (position, MAX (stop_running_time, position_running_time)); } } position = MAX (0, position); self->group_start_time = MAX (self->group_start_time, position); GST_DEBUG_OBJECT (self, "New group start time: %" GST_TIME_FORMAT, GST_TIME_ARGS (self->group_start_time)); for (l = self->streams; l; l = l->next) { GstStream *ostream = l->data; g_cond_broadcast (&ostream->stream_finish_cond); } } } } else { GST_DEBUG_OBJECT (self, "No stream or STREAM_START from same source"); } GST_STREAM_SYNCHRONIZER_UNLOCK (self); break; } case GST_EVENT_SEGMENT:{ GstStream *stream; GstSegment segment; gst_event_copy_segment (event, &segment); GST_STREAM_SYNCHRONIZER_LOCK (self); stream = gst_pad_get_element_private (pad); if (stream) { if (stream->wait) { GST_DEBUG_OBJECT (pad, "Stream %d is waiting", stream->stream_number); g_cond_wait (&stream->stream_finish_cond, &self->lock); stream = gst_pad_get_element_private (pad); if (stream) stream->wait = FALSE; } } if (self->shutdown) { GST_STREAM_SYNCHRONIZER_UNLOCK (self); gst_event_unref (event); goto done; } if (stream && segment.format == GST_FORMAT_TIME) { if (stream->new_stream) { stream->new_stream = FALSE; segment.base = self->group_start_time; } GST_DEBUG_OBJECT (pad, "Segment was: %" GST_SEGMENT_FORMAT, &stream->segment); gst_segment_copy_into (&segment, &stream->segment); GST_DEBUG_OBJECT (pad, "Segment now is: %" GST_SEGMENT_FORMAT, &stream->segment); stream->segment_seqnum = gst_event_get_seqnum (event); GST_DEBUG_OBJECT (pad, "Stream start running time: %" GST_TIME_FORMAT, GST_TIME_ARGS (stream->segment.base)); { GstEvent *tmpev; tmpev = gst_event_new_segment (&stream->segment); gst_event_set_seqnum (tmpev, stream->segment_seqnum); gst_event_unref (event); event = tmpev; } } else if (stream) { GST_WARNING_OBJECT (pad, "Non-TIME segment: %s", gst_format_get_name (segment.format)); gst_segment_init (&stream->segment, GST_FORMAT_UNDEFINED); /* Since this stream is not time-based, we mark it so that * other streams don't wait forever on it */ stream->wait = TRUE; } GST_STREAM_SYNCHRONIZER_UNLOCK (self); break; } case GST_EVENT_FLUSH_START:{ GstStream *stream; GST_STREAM_SYNCHRONIZER_LOCK (self); stream = gst_pad_get_element_private (pad); if (stream) { GST_DEBUG_OBJECT (pad, "Flushing streams"); g_cond_broadcast (&stream->stream_finish_cond); } GST_STREAM_SYNCHRONIZER_UNLOCK (self); break; } case GST_EVENT_FLUSH_STOP:{ GstStream *stream; GST_STREAM_SYNCHRONIZER_LOCK (self); stream = gst_pad_get_element_private (pad); if (stream) { GST_DEBUG_OBJECT (pad, "Resetting segment for stream %d", stream->stream_number); gst_segment_init (&stream->segment, GST_FORMAT_UNDEFINED); stream->is_eos = FALSE; stream->wait = FALSE; stream->new_stream = FALSE; stream->drop_discont = FALSE; stream->seen_data = FALSE; g_cond_broadcast (&stream->stream_finish_cond); } GST_STREAM_SYNCHRONIZER_UNLOCK (self); break; } case GST_EVENT_EOS:{ GstStream *stream; GList *l; gboolean all_eos = TRUE; gboolean seen_data; GSList *pads = NULL; GstPad *srcpad; GstClockTime timestamp; GST_STREAM_SYNCHRONIZER_LOCK (self); stream = gst_pad_get_element_private (pad); if (!stream) { GST_STREAM_SYNCHRONIZER_UNLOCK (self); GST_WARNING_OBJECT (pad, "EOS for unknown stream"); break; } GST_DEBUG_OBJECT (pad, "Have EOS for stream %d", stream->stream_number); stream->is_eos = TRUE; seen_data = stream->seen_data; srcpad = gst_object_ref (stream->srcpad); if (seen_data && stream->segment.position != -1) timestamp = stream->segment.position; else if (stream->segment.rate < 0.0 || stream->segment.stop == -1) timestamp = stream->segment.start; else timestamp = stream->segment.stop; for (l = self->streams; l; l = l->next) { GstStream *ostream = l->data; all_eos = all_eos && ostream->is_eos; if (!all_eos) break; } if (all_eos) { GST_DEBUG_OBJECT (self, "All streams are EOS -- forwarding"); for (l = self->streams; l; l = l->next) { GstStream *ostream = l->data; /* local snapshot of current pads */ gst_object_ref (ostream->srcpad); pads = g_slist_prepend (pads, ostream->srcpad); } } GST_STREAM_SYNCHRONIZER_UNLOCK (self); /* drop lock when sending eos, which may block in e.g. preroll */ if (pads) { GstPad *pad; GSList *epad; ret = TRUE; epad = pads; while (epad) { pad = epad->data; GST_DEBUG_OBJECT (pad, "Pushing EOS"); ret = ret && gst_pad_push_event (pad, gst_event_new_eos ()); gst_object_unref (pad); epad = g_slist_next (epad); } g_slist_free (pads); } else { /* if EOS, but no data has passed, then send something to replace EOS * for preroll purposes */ if (!seen_data) { GstEvent *gap_event; gap_event = gst_event_new_gap (timestamp, GST_CLOCK_TIME_NONE); ret = gst_pad_push_event (srcpad, gap_event); } else { GstEvent *gap_event; /* FIXME: Also send a GAP event to let audio sinks start their * clock in case they did not have enough data yet */ gap_event = gst_event_new_gap (timestamp, GST_CLOCK_TIME_NONE); ret = gst_pad_push_event (srcpad, gap_event); } } gst_object_unref (srcpad); gst_event_unref (event); goto done; } default: break; } opad = gst_stream_get_other_pad_from_pad (self, pad); if (opad) { ret = gst_pad_push_event (opad, event); gst_object_unref (opad); } done: return ret; }
/* sinkpad functions */ static gboolean gst_stream_synchronizer_sink_event (GstPad * pad, GstObject * parent, GstEvent * event) { GstStreamSynchronizer *self = GST_STREAM_SYNCHRONIZER (parent); gboolean ret = FALSE; GST_LOG_OBJECT (pad, "Handling event %s: %" GST_PTR_FORMAT, GST_EVENT_TYPE_NAME (event), event); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_STREAM_START: { GstSyncStream *stream, *ostream; guint32 seqnum = gst_event_get_seqnum (event); guint group_id; gboolean have_group_id; GList *l; gboolean all_wait = TRUE; gboolean new_stream = TRUE; have_group_id = gst_event_parse_group_id (event, &group_id); GST_STREAM_SYNCHRONIZER_LOCK (self); self->have_group_id &= have_group_id; have_group_id = self->have_group_id; stream = gst_pad_get_element_private (pad); if (!stream) { GST_DEBUG_OBJECT (self, "No stream or STREAM_START from same source"); GST_STREAM_SYNCHRONIZER_UNLOCK (self); break; } gst_event_parse_stream_flags (event, &stream->flags); if ((have_group_id && stream->group_id != group_id) || (!have_group_id && stream->stream_start_seqnum != seqnum)) { stream->is_eos = FALSE; stream->eos_sent = FALSE; stream->flushing = FALSE; stream->stream_start_seqnum = seqnum; stream->group_id = group_id; if (!have_group_id) { /* Check if this belongs to a stream that is already there, * e.g. we got the visualizations for an audio stream */ for (l = self->streams; l; l = l->next) { ostream = l->data; if (ostream != stream && ostream->stream_start_seqnum == seqnum && !ostream->wait) { new_stream = FALSE; break; } } if (!new_stream) { GST_DEBUG_OBJECT (pad, "Stream %d belongs to running stream %d, no waiting", stream->stream_number, ostream->stream_number); stream->wait = FALSE; GST_STREAM_SYNCHRONIZER_UNLOCK (self); break; } } else if (group_id == self->group_id) { GST_DEBUG_OBJECT (pad, "Stream %d belongs to running group %d, " "no waiting", stream->stream_number, group_id); GST_STREAM_SYNCHRONIZER_UNLOCK (self); break; } GST_DEBUG_OBJECT (pad, "Stream %d changed", stream->stream_number); stream->wait = TRUE; for (l = self->streams; l; l = l->next) { GstSyncStream *ostream = l->data; all_wait = all_wait && ((ostream->flags & GST_STREAM_FLAG_SPARSE) || (ostream->wait && (!have_group_id || ostream->group_id == group_id))); if (!all_wait) break; } if (all_wait) { gint64 position = 0; if (have_group_id) GST_DEBUG_OBJECT (self, "All streams have changed to group id %u -- unblocking", group_id); else GST_DEBUG_OBJECT (self, "All streams have changed -- unblocking"); self->group_id = group_id; for (l = self->streams; l; l = l->next) { GstSyncStream *ostream = l->data; gint64 stop_running_time; gint64 position_running_time; ostream->wait = FALSE; if (ostream->segment.format == GST_FORMAT_TIME) { stop_running_time = gst_segment_to_running_time (&ostream->segment, GST_FORMAT_TIME, ostream->segment.stop); position_running_time = gst_segment_to_running_time (&ostream->segment, GST_FORMAT_TIME, ostream->segment.position); position_running_time = MAX (position_running_time, stop_running_time); position_running_time -= gst_segment_to_running_time (&ostream->segment, GST_FORMAT_TIME, ostream->segment.start); position_running_time = MAX (0, position_running_time); position = MAX (position, position_running_time); } } self->group_start_time += position; GST_DEBUG_OBJECT (self, "New group start time: %" GST_TIME_FORMAT, GST_TIME_ARGS (self->group_start_time)); for (l = self->streams; l; l = l->next) { GstSyncStream *ostream = l->data; ostream->wait = FALSE; g_cond_broadcast (&ostream->stream_finish_cond); } } } GST_STREAM_SYNCHRONIZER_UNLOCK (self); break; } case GST_EVENT_SEGMENT:{ GstSyncStream *stream; GstSegment segment; gst_event_copy_segment (event, &segment); GST_STREAM_SYNCHRONIZER_LOCK (self); gst_stream_synchronizer_wait (self, pad); if (self->shutdown) { GST_STREAM_SYNCHRONIZER_UNLOCK (self); gst_event_unref (event); goto done; } stream = gst_pad_get_element_private (pad); if (stream && segment.format == GST_FORMAT_TIME) { GST_DEBUG_OBJECT (pad, "New stream, updating base from %" GST_TIME_FORMAT " to %" GST_TIME_FORMAT, GST_TIME_ARGS (segment.base), GST_TIME_ARGS (segment.base + self->group_start_time)); segment.base += self->group_start_time; GST_DEBUG_OBJECT (pad, "Segment was: %" GST_SEGMENT_FORMAT, &stream->segment); gst_segment_copy_into (&segment, &stream->segment); GST_DEBUG_OBJECT (pad, "Segment now is: %" GST_SEGMENT_FORMAT, &stream->segment); stream->segment_seqnum = gst_event_get_seqnum (event); GST_DEBUG_OBJECT (pad, "Stream start running time: %" GST_TIME_FORMAT, GST_TIME_ARGS (stream->segment.base)); { GstEvent *tmpev; tmpev = gst_event_new_segment (&stream->segment); gst_event_set_seqnum (tmpev, stream->segment_seqnum); gst_event_unref (event); event = tmpev; } } else if (stream) { GST_WARNING_OBJECT (pad, "Non-TIME segment: %s", gst_format_get_name (segment.format)); gst_segment_init (&stream->segment, GST_FORMAT_UNDEFINED); } GST_STREAM_SYNCHRONIZER_UNLOCK (self); break; } case GST_EVENT_FLUSH_START:{ GstSyncStream *stream; GST_STREAM_SYNCHRONIZER_LOCK (self); stream = gst_pad_get_element_private (pad); self->eos = FALSE; if (stream) { GST_DEBUG_OBJECT (pad, "Flushing streams"); stream->flushing = TRUE; g_cond_broadcast (&stream->stream_finish_cond); } GST_STREAM_SYNCHRONIZER_UNLOCK (self); break; } case GST_EVENT_FLUSH_STOP:{ GstSyncStream *stream; GList *l; GstClockTime new_group_start_time = 0; GST_STREAM_SYNCHRONIZER_LOCK (self); stream = gst_pad_get_element_private (pad); if (stream) { GST_DEBUG_OBJECT (pad, "Resetting segment for stream %d", stream->stream_number); gst_segment_init (&stream->segment, GST_FORMAT_UNDEFINED); stream->is_eos = FALSE; stream->eos_sent = FALSE; stream->flushing = FALSE; stream->wait = FALSE; g_cond_broadcast (&stream->stream_finish_cond); } for (l = self->streams; l; l = l->next) { GstSyncStream *ostream = l->data; GstClockTime start_running_time; if (ostream == stream || ostream->flushing) continue; if (ostream->segment.format == GST_FORMAT_TIME) { start_running_time = gst_segment_to_running_time (&ostream->segment, GST_FORMAT_TIME, ostream->segment.start); new_group_start_time = MAX (new_group_start_time, start_running_time); } } GST_DEBUG_OBJECT (pad, "Updating group start time from %" GST_TIME_FORMAT " to %" GST_TIME_FORMAT, GST_TIME_ARGS (self->group_start_time), GST_TIME_ARGS (new_group_start_time)); self->group_start_time = new_group_start_time; GST_STREAM_SYNCHRONIZER_UNLOCK (self); break; } /* unblocking EOS wait when track switch. */ case GST_EVENT_CUSTOM_DOWNSTREAM_OOB:{ if (gst_event_has_name (event, "playsink-custom-video-flush") || gst_event_has_name (event, "playsink-custom-audio-flush") || gst_event_has_name (event, "playsink-custom-subtitle-flush")) { GstSyncStream *stream; GST_STREAM_SYNCHRONIZER_LOCK (self); stream = gst_pad_get_element_private (pad); if (stream) { stream->is_eos = FALSE; stream->eos_sent = FALSE; stream->wait = FALSE; g_cond_broadcast (&stream->stream_finish_cond); } GST_STREAM_SYNCHRONIZER_UNLOCK (self); } break; } case GST_EVENT_EOS:{ GstSyncStream *stream; GList *l; gboolean all_eos = TRUE; gboolean seen_data; GSList *pads = NULL; GstPad *srcpad; GstClockTime timestamp; GST_STREAM_SYNCHRONIZER_LOCK (self); stream = gst_pad_get_element_private (pad); if (!stream) { GST_STREAM_SYNCHRONIZER_UNLOCK (self); GST_WARNING_OBJECT (pad, "EOS for unknown stream"); break; } GST_DEBUG_OBJECT (pad, "Have EOS for stream %d", stream->stream_number); stream->is_eos = TRUE; seen_data = stream->seen_data; srcpad = gst_object_ref (stream->srcpad); if (seen_data && stream->segment.position != -1) timestamp = stream->segment.position; else if (stream->segment.rate < 0.0 || stream->segment.stop == -1) timestamp = stream->segment.start; else timestamp = stream->segment.stop; stream->segment.position = timestamp; for (l = self->streams; l; l = l->next) { GstSyncStream *ostream = l->data; all_eos = all_eos && ostream->is_eos; if (!all_eos) break; } if (all_eos) { GST_DEBUG_OBJECT (self, "All streams are EOS -- forwarding"); self->eos = TRUE; for (l = self->streams; l; l = l->next) { GstSyncStream *ostream = l->data; /* local snapshot of current pads */ gst_object_ref (ostream->srcpad); pads = g_slist_prepend (pads, ostream->srcpad); } } if (pads) { GstPad *pad; GSList *epad; GstSyncStream *ostream; ret = TRUE; epad = pads; while (epad) { pad = epad->data; ostream = gst_pad_get_element_private (pad); if (ostream) { g_cond_broadcast (&ostream->stream_finish_cond); } gst_object_unref (pad); epad = g_slist_next (epad); } g_slist_free (pads); } else { if (seen_data) { self->send_gap_event = TRUE; stream->gap_duration = GST_CLOCK_TIME_NONE; stream->wait = TRUE; ret = gst_stream_synchronizer_wait (self, srcpad); } } /* send eos if haven't seen data. seen_data will be true if data buffer * of the track have received in anytime. sink is ready if seen_data is * true, so can send GAP event. Will send EOS if sink isn't ready. The * scenario for the case is one track haven't any media data and then * send EOS. Or no any valid media data in one track, so decoder can't * get valid CAPS for the track. sink can't ready without received CAPS.*/ if (!seen_data || self->eos) { GST_DEBUG_OBJECT (pad, "send EOS event"); /* drop lock when sending eos, which may block in e.g. preroll */ GST_STREAM_SYNCHRONIZER_UNLOCK (self); ret = gst_pad_push_event (srcpad, gst_event_new_eos ()); GST_STREAM_SYNCHRONIZER_LOCK (self); stream = gst_pad_get_element_private (pad); if (stream) { stream->eos_sent = TRUE; } } gst_object_unref (srcpad); gst_event_unref (event); GST_STREAM_SYNCHRONIZER_UNLOCK (self); goto done; } default: break; } ret = gst_pad_event_default (pad, parent, event); done: return ret; }
/* Pipeline Callbacks */ static gboolean probe_cb (InsanityGstTest * ptest, GstPad * pad, GstMiniObject * object, gpointer userdata) { InsanityTest *test = INSANITY_TEST (ptest); global_last_probe = g_get_monotonic_time (); DECODER_TEST_LOCK (); if (GST_IS_BUFFER (object)) { GstBuffer *buf; GstClockTime ts; buf = GST_BUFFER (object); ts = GST_BUFFER_PTS (buf); /* First check clipping */ if (glob_testing_parser == FALSE && GST_CLOCK_TIME_IS_VALID (ts) && glob_waiting_segment == FALSE) { GstClockTime ts_end, cstart, cstop; /* Check if buffer is completely outside the segment */ ts_end = ts; if (GST_BUFFER_DURATION_IS_VALID (buf)) ts_end += GST_BUFFER_DURATION (buf); /* Check if buffer is completely outside the segment */ ts_end = ts; if (!gst_segment_clip (&glob_last_segment, glob_last_segment.format, ts, ts_end, &cstart, &cstop)) { char *msg = g_strdup_printf ("Got timestamp %" GST_TIME_FORMAT " -- %" GST_TIME_FORMAT ", outside configured segment (%" GST_TIME_FORMAT " -- %" GST_TIME_FORMAT "), method %s", GST_TIME_ARGS (ts), GST_TIME_ARGS (ts_end), GST_TIME_ARGS (glob_last_segment.start), GST_TIME_ARGS (glob_last_segment.stop), test_get_name (glob_in_progress)); insanity_test_validate_checklist_item (INSANITY_TEST (ptest), "segment-clipping", FALSE, msg); g_free (msg); glob_bad_segment_clipping = TRUE; } } switch (glob_in_progress) { case TEST_NONE: if (glob_waiting_first_segment == TRUE) insanity_test_validate_checklist_item (test, "first-segment", FALSE, "Got a buffer before the first segment"); /* Got the first buffer, starting testing dance */ next_test (test); break; case TEST_POSITION: test_position (test, buf); break; case TEST_FAST_FORWARD: case TEST_BACKWARD_PLAYBACK: case TEST_FAST_BACKWARD: { gint64 stime_ts; if (GST_CLOCK_TIME_IS_VALID (ts) == FALSE || glob_waiting_segment == TRUE) { break; } stime_ts = gst_segment_to_stream_time (&glob_last_segment, glob_last_segment.format, ts); if (GST_CLOCK_TIME_IS_VALID (glob_seek_first_buf_ts) == FALSE) { GstClockTime expected_ts = gst_segment_to_stream_time (&glob_last_segment, glob_last_segment.format, glob_seek_rate < 0 ? glob_seek_stop_ts : glob_seek_segment_seektime); GstClockTimeDiff diff = ABS (GST_CLOCK_DIFF (stime_ts, expected_ts)); if (diff > SEEK_THRESHOLD) { gchar *valmsg = g_strdup_printf ("Received buffer timestamp %" GST_TIME_FORMAT " Seeek wanted %" GST_TIME_FORMAT "", GST_TIME_ARGS (stime_ts), GST_TIME_ARGS (expected_ts)); validate_current_test (test, FALSE, valmsg); next_test (test); g_free (valmsg); } else glob_seek_first_buf_ts = stime_ts; } else { GstClockTimeDiff diff = GST_CLOCK_DIFF (stime_ts, glob_seek_first_buf_ts); if (diff < 0) diff = -diff; if (diff >= glob_playback_duration * GST_SECOND) { validate_current_test (test, TRUE, NULL); next_test (test); } } break; } default: break; } } else if (GST_IS_EVENT (object)) { GstEvent *event = GST_EVENT (object); guint seqnum = gst_event_get_seqnum (event); if (G_LIKELY (glob_seqnum_found == FALSE) && seqnum == glob_seqnum) glob_seqnum_found = TRUE; if (glob_seqnum_found == TRUE && seqnum != glob_seqnum) { gchar *message = g_strdup_printf ("Current seqnum %i != " "received %i", glob_seqnum, seqnum); insanity_test_validate_checklist_item (test, "seqnum-management", FALSE, message); glob_wrong_seqnum = TRUE; g_free (message); } switch (GST_EVENT_TYPE (event)) { case GST_EVENT_SEGMENT: { gst_event_copy_segment (event, &glob_last_segment); if (glob_waiting_segment == FALSE) /* Cache the segment as it will be our reference but don't look * further */ goto done; glob_last_segment_start_time = glob_last_segment.start; if (glob_waiting_first_segment == TRUE) { insanity_test_validate_checklist_item (test, "first-segment", TRUE, NULL); glob_waiting_first_segment = FALSE; } else if (glob_in_progress >= TEST_FAST_FORWARD && glob_in_progress <= TEST_FAST_BACKWARD) { GstClockTimeDiff diff; gboolean valid_stop = TRUE; GstClockTimeDiff wdiff, rdiff; rdiff = ABS (GST_CLOCK_DIFF (glob_last_segment.stop, glob_last_segment.start)) * ABS (glob_last_segment.rate * glob_last_segment.applied_rate); wdiff = ABS (GST_CLOCK_DIFF (glob_seek_stop_ts, glob_seek_segment_seektime)); diff = GST_CLOCK_DIFF (glob_last_segment.position, glob_seek_segment_seektime); if (diff < 0) diff = -diff; /* Now compare with the expected segment */ if ((glob_last_segment.rate * glob_last_segment.applied_rate) == glob_seek_rate && diff <= SEEK_THRESHOLD && valid_stop) { glob_seek_got_segment = TRUE; } else { GstClockTime stopdiff = ABS (GST_CLOCK_DIFF (rdiff, wdiff)); gchar *validate_msg = g_strdup_printf ("Wrong segment received, Rate %f expected " "%f, start time diff %" GST_TIME_FORMAT " stop diff %" GST_TIME_FORMAT, (glob_last_segment.rate * glob_last_segment.applied_rate), glob_seek_rate, GST_TIME_ARGS (diff), GST_TIME_ARGS (stopdiff)); validate_current_test (test, FALSE, validate_msg); next_test (test); g_free (validate_msg); } } glob_waiting_segment = FALSE; break; } default: break; } } done: DECODER_TEST_UNLOCK (); return TRUE; }
/* GstAggregator vmethods default implementations */ static gboolean _sink_event (GstAggregator * self, GstAggregatorPad * aggpad, GstEvent * event) { gboolean res = TRUE; GstPad *pad = GST_PAD (aggpad); GstAggregatorPrivate *priv = self->priv; switch (GST_EVENT_TYPE (event)) { case GST_EVENT_FLUSH_START: { _flush_start (self, aggpad, event); /* We forward only in one case: right after flush_seeking */ event = NULL; goto eat; } case GST_EVENT_FLUSH_STOP: { GST_DEBUG_OBJECT (aggpad, "Got FLUSH_STOP"); _aggpad_flush (aggpad, self); if (g_atomic_int_get (&priv->flush_seeking)) { g_atomic_int_set (&aggpad->priv->pending_flush_stop, FALSE); if (g_atomic_int_get (&priv->flush_seeking)) { if (_all_flush_stop_received (self)) { /* That means we received FLUSH_STOP/FLUSH_STOP on * all sinkpads -- Seeking is Done... sending FLUSH_STOP */ _flush (self); gst_pad_push_event (self->srcpad, event); priv->send_eos = TRUE; event = NULL; QUEUE_PUSH (self); GST_INFO_OBJECT (self, "Releasing source pad STREAM_LOCK"); GST_PAD_STREAM_UNLOCK (self->srcpad); _start_srcpad_task (self); } } } /* We never forward the event */ goto eat; } case GST_EVENT_EOS: { GST_DEBUG_OBJECT (aggpad, "EOS"); /* We still have a buffer, and we don't want the subclass to have to * check for it. Mark pending_eos, eos will be set when steal_buffer is * called */ PAD_LOCK_EVENT (aggpad); if (!aggpad->buffer) { aggpad->eos = TRUE; } else { aggpad->priv->pending_eos = TRUE; } PAD_UNLOCK_EVENT (aggpad); QUEUE_PUSH (self); goto eat; } case GST_EVENT_SEGMENT: { PAD_LOCK_EVENT (aggpad); gst_event_copy_segment (event, &aggpad->segment); self->priv->seqnum = gst_event_get_seqnum (event); PAD_UNLOCK_EVENT (aggpad); goto eat; } case GST_EVENT_STREAM_START: { goto eat; } case GST_EVENT_TAG: { GstTagList *tags; gst_event_parse_tag (event, &tags); if (gst_tag_list_get_scope (tags) == GST_TAG_SCOPE_STREAM) { gst_aggregator_merge_tags (self, tags, GST_TAG_MERGE_REPLACE); gst_event_unref (event); event = NULL; goto eat; } break; } default: { break; } } GST_DEBUG_OBJECT (pad, "Forwarding event: %" GST_PTR_FORMAT, event); return gst_pad_event_default (pad, GST_OBJECT (self), event); eat: GST_DEBUG_OBJECT (pad, "Eating event: %" GST_PTR_FORMAT, event); if (event) gst_event_unref (event); return res; }
static gboolean vorbis_dec_sink_event (GstPad * pad, GstEvent * event) { gboolean ret = FALSE; GstVorbisDec *dec; dec = GST_VORBIS_DEC (gst_pad_get_parent (pad)); GST_LOG_OBJECT (dec, "handling event"); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_EOS: if (dec->segment.rate < 0.0) vorbis_dec_chain_reverse (dec, TRUE, NULL); ret = gst_pad_push_event (dec->srcpad, event); break; case GST_EVENT_FLUSH_START: ret = gst_pad_push_event (dec->srcpad, event); break; case GST_EVENT_FLUSH_STOP: /* here we must clean any state in the decoder */ #ifdef HAVE_VORBIS_SYNTHESIS_RESTART vorbis_synthesis_restart (&dec->vd); #endif gst_vorbis_dec_reset (dec); ret = gst_pad_push_event (dec->srcpad, event); break; case GST_EVENT_NEWSEGMENT: { GstFormat format; gdouble rate, arate; gint64 start, stop, time; gboolean update; gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format, &start, &stop, &time); /* we need time for now */ if (format != GST_FORMAT_TIME) goto newseg_wrong_format; GST_DEBUG_OBJECT (dec, "newsegment: update %d, rate %g, arate %g, start %" GST_TIME_FORMAT ", stop %" GST_TIME_FORMAT ", time %" GST_TIME_FORMAT, update, rate, arate, GST_TIME_ARGS (start), GST_TIME_ARGS (stop), GST_TIME_ARGS (time)); /* now configure the values */ gst_segment_set_newsegment_full (&dec->segment, update, rate, arate, format, start, stop, time); dec->seqnum = gst_event_get_seqnum (event); if (dec->initialized) /* and forward */ ret = gst_pad_push_event (dec->srcpad, event); else { /* store it to send once we're initialized */ dec->pendingevents = g_list_append (dec->pendingevents, event); ret = TRUE; } break; } case GST_EVENT_TAG: { if (dec->initialized) /* and forward */ ret = gst_pad_push_event (dec->srcpad, event); else { /* store it to send once we're initialized */ dec->pendingevents = g_list_append (dec->pendingevents, event); ret = TRUE; } break; } default: ret = gst_pad_push_event (dec->srcpad, event); break; } done: gst_object_unref (dec); return ret; /* ERRORS */ newseg_wrong_format: { GST_DEBUG_OBJECT (dec, "received non TIME newsegment"); goto done; } }
static gboolean mpegtsmux_src_event (GstPad * pad, GstEvent * event) { MpegTsMux *mux = GST_MPEG_TSMUX (gst_pad_get_parent (pad)); gboolean res = TRUE; switch (GST_EVENT_TYPE (event)) { case GST_EVENT_CUSTOM_UPSTREAM: { GstIterator *iter; GstIteratorResult iter_ret; GstPad *sinkpad; GstClockTime running_time; gboolean all_headers, done; guint count; if (!gst_video_event_is_force_key_unit (event)) break; gst_video_event_parse_upstream_force_key_unit (event, &running_time, &all_headers, &count); GST_INFO_OBJECT (mux, "received upstream force-key-unit event, " "seqnum %d running_time %" GST_TIME_FORMAT " all_headers %d count %d", gst_event_get_seqnum (event), GST_TIME_ARGS (running_time), all_headers, count); if (!all_headers) break; mux->pending_key_unit_ts = running_time; gst_event_replace (&mux->force_key_unit_event, event); iter = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (mux)); done = FALSE; while (!done) { gboolean res = FALSE, tmp; iter_ret = gst_iterator_next (iter, (gpointer *) & sinkpad); switch (iter_ret) { case GST_ITERATOR_DONE: done = TRUE; break; case GST_ITERATOR_OK: GST_INFO_OBJECT (mux, "forwarding to %s", gst_pad_get_name (sinkpad)); tmp = gst_pad_push_event (sinkpad, gst_event_ref (event)); GST_INFO_OBJECT (mux, "result %d", tmp); /* succeed if at least one pad succeeds */ res |= tmp; gst_object_unref (sinkpad); break; case GST_ITERATOR_ERROR: done = TRUE; break; case GST_ITERATOR_RESYNC: break; } } gst_event_unref (event); break; } default: res = gst_pad_event_default (pad, event); break; } gst_object_unref (mux); return res; }
static GstFlowReturn mpegtsmux_collected (GstCollectPads2 * pads, MpegTsMux * mux) { GstFlowReturn ret = GST_FLOW_OK; MpegTsPadData *best = NULL; GST_DEBUG_OBJECT (mux, "Pads collected"); if (G_UNLIKELY (mux->first)) { ret = mpegtsmux_create_streams (mux); if (G_UNLIKELY (ret != GST_FLOW_OK)) return ret; mpegtsdemux_prepare_srcpad (mux); mux->first = FALSE; } best = mpegtsmux_choose_best_stream (mux); if (best != NULL) { TsMuxProgram *prog = best->prog; GstBuffer *buf = best->queued_buf; gint64 pts = -1; gboolean delta = TRUE; if (prog == NULL) { GST_ELEMENT_ERROR (mux, STREAM, MUX, ("Stream on pad %" GST_PTR_FORMAT " is not associated with any program", COLLECT_DATA_PAD (best)), (NULL)); return GST_FLOW_ERROR; } if (mux->force_key_unit_event != NULL && best->stream->is_video_stream) { GstEvent *event; event = check_pending_key_unit_event (mux->force_key_unit_event, &best->collect.segment, GST_BUFFER_TIMESTAMP (buf), GST_BUFFER_FLAGS (buf), mux->pending_key_unit_ts); if (event) { GstClockTime running_time; guint count; GList *cur; mux->pending_key_unit_ts = GST_CLOCK_TIME_NONE; gst_event_replace (&mux->force_key_unit_event, NULL); gst_video_event_parse_downstream_force_key_unit (event, NULL, NULL, &running_time, NULL, &count); GST_INFO_OBJECT (mux, "pushing downstream force-key-unit event %d " "%" GST_TIME_FORMAT " count %d", gst_event_get_seqnum (event), GST_TIME_ARGS (running_time), count); gst_pad_push_event (mux->srcpad, event); /* output PAT */ mux->tsmux->last_pat_ts = -1; /* output PMT for each program */ for (cur = g_list_first (mux->tsmux->programs); cur != NULL; cur = g_list_next (cur)) { TsMuxProgram *program = (TsMuxProgram *) cur->data; program->last_pmt_ts = -1; } tsmux_program_set_pcr_stream (prog, NULL); } } if (G_UNLIKELY (prog->pcr_stream == NULL)) { /* Take the first data stream for the PCR */ GST_DEBUG_OBJECT (COLLECT_DATA_PAD (best), "Use stream (pid=%d) from pad as PCR for program (prog_id = %d)", MPEG_TS_PAD_DATA (best)->pid, MPEG_TS_PAD_DATA (best)->prog_id); /* Set the chosen PCR stream */ tsmux_program_set_pcr_stream (prog, best->stream); } g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR); if (best->stream->is_video_stream) delta = GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT); GST_DEBUG_OBJECT (mux, "delta: %d", delta); GST_DEBUG_OBJECT (COLLECT_DATA_PAD (best), "Chose stream for output (PID: 0x%04x)", best->pid); if (GST_CLOCK_TIME_IS_VALID (best->cur_ts)) { pts = GSTTIME_TO_MPEGTIME (best->cur_ts); GST_DEBUG_OBJECT (mux, "Buffer has TS %" GST_TIME_FORMAT " pts %" G_GINT64_FORMAT, GST_TIME_ARGS (best->cur_ts), pts); } tsmux_stream_add_data (best->stream, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf), buf, pts, -1, !delta); best->queued_buf = NULL; mux->is_delta = delta; while (tsmux_stream_bytes_in_buffer (best->stream) > 0) { if (!tsmux_write_stream_packet (mux->tsmux, best->stream)) { /* Failed writing data for some reason. Set appropriate error */ GST_DEBUG_OBJECT (mux, "Failed to write data packet"); GST_ELEMENT_ERROR (mux, STREAM, MUX, ("Failed writing output data to stream %04x", best->stream->id), (NULL)); goto write_fail; } } if (prog->pcr_stream == best->stream) { mux->last_ts = best->last_ts; } } else { /* FIXME: Drain all remaining streams */ /* At EOS */ gst_pad_push_event (mux->srcpad, gst_event_new_eos ()); } return ret; write_fail: return mux->last_flow_ret; }
static gboolean theora_dec_sink_event (GstPad * pad, GstEvent * event) { gboolean ret = FALSE; GstTheoraDec *dec; dec = GST_THEORA_DEC (gst_pad_get_parent (pad)); GST_LOG_OBJECT (dec, "handling event"); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_FLUSH_START: ret = gst_pad_push_event (dec->srcpad, event); break; case GST_EVENT_FLUSH_STOP: gst_theora_dec_reset (dec); ret = gst_pad_push_event (dec->srcpad, event); break; case GST_EVENT_EOS: ret = gst_pad_push_event (dec->srcpad, event); break; case GST_EVENT_NEWSEGMENT: { gboolean update; GstFormat format; gdouble rate, arate; gint64 start, stop, time; gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format, &start, &stop, &time); /* we need TIME format */ if (format != GST_FORMAT_TIME) goto newseg_wrong_format; GST_DEBUG_OBJECT (dec, "newsegment: update %d, rate %g, arate %g, start %" GST_TIME_FORMAT ", stop %" GST_TIME_FORMAT ", time %" GST_TIME_FORMAT, update, rate, arate, GST_TIME_ARGS (start), GST_TIME_ARGS (stop), GST_TIME_ARGS (time)); /* now configure the values */ gst_segment_set_newsegment_full (&dec->segment, update, rate, arate, format, start, stop, time); dec->seqnum = gst_event_get_seqnum (event); /* We don't forward this unless/until the decoder is initialised */ if (dec->have_header) { ret = gst_pad_push_event (dec->srcpad, event); } else { dec->pendingevents = g_list_append (dec->pendingevents, event); ret = TRUE; } break; } case GST_EVENT_TAG: { if (dec->have_header) /* and forward */ ret = gst_pad_push_event (dec->srcpad, event); else { /* store it to send once we're initialized */ dec->pendingevents = g_list_append (dec->pendingevents, event); ret = TRUE; } break; } default: ret = gst_pad_push_event (dec->srcpad, event); break; } done: gst_object_unref (dec); return ret; /* ERRORS */ newseg_wrong_format: { GST_DEBUG_OBJECT (dec, "received non TIME newsegment"); gst_event_unref (event); goto done; } }
static gboolean theora_dec_src_event (GstPad * pad, GstEvent * event) { gboolean res = TRUE; GstTheoraDec *dec; dec = GST_THEORA_DEC (gst_pad_get_parent (pad)); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_SEEK: { GstFormat format, tformat; gdouble rate; GstEvent *real_seek; GstSeekFlags flags; GstSeekType cur_type, stop_type; gint64 cur, stop; gint64 tcur, tstop; guint32 seqnum; gst_event_parse_seek (event, &rate, &format, &flags, &cur_type, &cur, &stop_type, &stop); seqnum = gst_event_get_seqnum (event); gst_event_unref (event); /* we have to ask our peer to seek to time here as we know * nothing about how to generate a granulepos from the src * formats or anything. * * First bring the requested format to time */ tformat = GST_FORMAT_TIME; if (!(res = theora_dec_src_convert (pad, format, cur, &tformat, &tcur))) goto convert_error; if (!(res = theora_dec_src_convert (pad, format, stop, &tformat, &tstop))) goto convert_error; /* then seek with time on the peer */ real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME, flags, cur_type, tcur, stop_type, tstop); gst_event_set_seqnum (real_seek, seqnum); res = gst_pad_push_event (dec->sinkpad, real_seek); break; } case GST_EVENT_QOS: { gdouble proportion; GstClockTimeDiff diff; GstClockTime timestamp; gst_event_parse_qos (event, &proportion, &diff, ×tamp); /* we cannot randomly skip frame decoding since we don't have * B frames. we can however use the timestamp and diff to not * push late frames. This would at least save us the time to * crop/memcpy the data. */ GST_OBJECT_LOCK (dec); dec->proportion = proportion; dec->earliest_time = timestamp + diff; GST_OBJECT_UNLOCK (dec); GST_DEBUG_OBJECT (dec, "got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT, GST_TIME_ARGS (timestamp), diff); res = gst_pad_push_event (dec->sinkpad, event); break; } default: res = gst_pad_push_event (dec->sinkpad, event); break; } done: gst_object_unref (dec); return res; /* ERRORS */ convert_error: { GST_DEBUG_OBJECT (dec, "could not convert format"); goto done; } }