mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-24 09:10:36 +00:00
Code Issues 1 Projects Releases Wiki Activity

playsink: Use signal handler IDs instead of disconnecting/blocking by function

Browse source 
This is cleaner and faster.
This commit is contained in:
Sebastian Dröge 2013-05-21 16:35:18 +02:00
parent a049b102da
commit 1756f86042
1 changed files with 57 additions and 44 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

89
gst/playback/gstplaysink.c
View file

@ -102,7 +102,9 @@ typedef struct
GstElement *conv; GstElement *conv;
GstElement *volume; /* element with the volume property */ GstElement *volume; /* element with the volume property */
gboolean sink_volume; /* if the volume was provided by the sink */ gboolean sink_volume; /* if the volume was provided by the sink */
gulong notify_volume_id;
GstElement *mute; /* element with the mute property */ GstElement *mute; /* element with the mute property */
gulong notify_mute_id;
GstElement *sink; GstElement *sink;
GstElement *ts_offset; GstElement *ts_offset;
} GstPlayAudioChain; } GstPlayAudioChain;
@ -207,6 +209,7 @@ struct _GstPlaySink
GstPad *audio_srcpad_stream_synchronizer; GstPad *audio_srcpad_stream_synchronizer;
GstPad *audio_sinkpad_stream_synchronizer; GstPad *audio_sinkpad_stream_synchronizer;
gulong audio_block_id; gulong audio_block_id;
gulong audio_notify_caps_id;
/* audio tee */ /* audio tee */
GstElement *audio_tee; GstElement *audio_tee;
GstPad *audio_tee_sink; GstPad *audio_tee_sink;
@ -219,6 +222,7 @@ struct _GstPlaySink
GstPad *video_srcpad_stream_synchronizer; GstPad *video_srcpad_stream_synchronizer;
GstPad *video_sinkpad_stream_synchronizer; GstPad *video_sinkpad_stream_synchronizer;
gulong video_block_id; gulong video_block_id;
gulong video_notify_caps_id;
/* text */ /* text */
GstPad *text_pad; GstPad *text_pad;
gboolean text_pad_blocked; gboolean text_pad_blocked;
@ -258,6 +262,7 @@ struct _GstPlaySink
GstColorBalance *colorbalance_element; GstColorBalance *colorbalance_element;
GList *colorbalance_channels; /* CONTRAST, BRIGHTNESS, HUE, SATURATION */ GList *colorbalance_channels; /* CONTRAST, BRIGHTNESS, HUE, SATURATION */
gint colorbalance_values[4]; gint colorbalance_values[4];
gulong colorbalance_value_changed_id;
/* sending audio/video flushes break stream changes when the pipeline /* sending audio/video flushes break stream changes when the pipeline
* is paused and played again in 0.10 */ * is paused and played again in 0.10 */
@ -700,15 +705,14 @@ gst_play_sink_init (GstPlaySink * playsink)
} }
static void static void
disconnect_chain (GstPlayAudioChain * chain, GstPlaySink * playsink) disconnect_audio_chain (GstPlayAudioChain * chain, GstPlaySink * playsink)
{ {
if (chain) { if (chain) {
if (chain->volume) if (chain->notify_volume_id)
g_signal_handlers_disconnect_by_func (chain->volume, notify_volume_cb, g_signal_handler_disconnect (chain->volume, chain->notify_volume_id);
playsink); if (chain->notify_mute_id)
if (chain->mute) g_signal_handler_disconnect (chain->mute, chain->notify_mute_id);
g_signal_handlers_disconnect_by_func (chain->mute, notify_mute_cb, chain->notify_volume_id = chain->notify_mute_id = 0;
playsink);
} }
} }
@ -1533,8 +1537,7 @@ update_colorbalance (GstPlaySink * playsink)
if (!balance) if (!balance)
return; return;
g_signal_handlers_block_by_func (balance, g_signal_handler_block (balance, playsink->colorbalance_value_changed_id);
G_CALLBACK (colorbalance_value_changed_cb), playsink);
for (i = 0, l = playsink->colorbalance_channels; l; l = l->next, i++) { for (i = 0, l = playsink->colorbalance_channels; l; l = l->next, i++) {
GstColorBalanceChannel *proxy = l->data; GstColorBalanceChannel *proxy = l->data;
@ -1557,8 +1560,7 @@ update_colorbalance (GstPlaySink * playsink)
playsink->colorbalance_values[i]); playsink->colorbalance_values[i]);
} }
g_signal_handlers_unblock_by_func (balance, g_signal_handler_unblock (balance, playsink->colorbalance_value_changed_id);
G_CALLBACK (colorbalance_value_changed_cb), playsink);
gst_object_unref (balance); gst_object_unref (balance);
} }
@ -1699,12 +1701,13 @@ gen_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
GST_OBJECT_LOCK (playsink); GST_OBJECT_LOCK (playsink);
if (playsink->colorbalance_element) { if (playsink->colorbalance_element) {
g_signal_handlers_disconnect_by_func (playsink->colorbalance_element, g_signal_handler_disconnect (playsink->colorbalance_element,
G_CALLBACK (colorbalance_value_changed_cb), playsink); playsink->colorbalance_value_changed_id);
gst_object_unref (playsink->colorbalance_element); gst_object_unref (playsink->colorbalance_element);
} }
playsink->colorbalance_element = find_color_balance_element (chain->sink); playsink->colorbalance_element = find_color_balance_element (chain->sink);
if (playsink->colorbalance_element) { if (playsink->colorbalance_element) {
playsink->colorbalance_value_changed_id =
g_signal_connect (playsink->colorbalance_element, "value-changed", g_signal_connect (playsink->colorbalance_element, "value-changed",
G_CALLBACK (colorbalance_value_changed_cb), playsink); G_CALLBACK (colorbalance_value_changed_cb), playsink);
} }
@ -1723,10 +1726,14 @@ gen_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
"use-converters", use_converters, "use-balance", use_balance, NULL); "use-converters", use_converters, "use-balance", use_balance, NULL);
GST_OBJECT_LOCK (playsink); GST_OBJECT_LOCK (playsink);
if (use_balance && GST_PLAY_SINK_VIDEO_CONVERT (chain->conv)->balance) if (use_balance && GST_PLAY_SINK_VIDEO_CONVERT (chain->conv)->balance) {
playsink->colorbalance_element = playsink->colorbalance_element =
GST_COLOR_BALANCE (gst_object_ref (GST_PLAY_SINK_VIDEO_CONVERT GST_COLOR_BALANCE (gst_object_ref (GST_PLAY_SINK_VIDEO_CONVERT
(chain->conv)->balance)); (chain->conv)->balance));
playsink->colorbalance_value_changed_id =
g_signal_connect (playsink->colorbalance_element, "value-changed",
G_CALLBACK (colorbalance_value_changed_cb), playsink);
}
GST_OBJECT_UNLOCK (playsink); GST_OBJECT_UNLOCK (playsink);
gst_bin_add (bin, chain->conv); gst_bin_add (bin, chain->conv);
@ -1889,12 +1896,13 @@ setup_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
GST_OBJECT_LOCK (playsink); GST_OBJECT_LOCK (playsink);
if (playsink->colorbalance_element) { if (playsink->colorbalance_element) {
g_signal_handlers_disconnect_by_func (playsink->colorbalance_element, g_signal_handler_disconnect (playsink->colorbalance_element,
G_CALLBACK (colorbalance_value_changed_cb), playsink); playsink->colorbalance_value_changed_id);
gst_object_unref (playsink->colorbalance_element); gst_object_unref (playsink->colorbalance_element);
} }
playsink->colorbalance_element = find_color_balance_element (chain->sink); playsink->colorbalance_element = find_color_balance_element (chain->sink);
if (playsink->colorbalance_element) { if (playsink->colorbalance_element) {
playsink->colorbalance_value_changed_id =
g_signal_connect (playsink->colorbalance_element, "value-changed", g_signal_connect (playsink->colorbalance_element, "value-changed",
G_CALLBACK (colorbalance_value_changed_cb), playsink); G_CALLBACK (colorbalance_value_changed_cb), playsink);
} }
@ -2548,10 +2556,11 @@ gen_audio_chain (GstPlaySink * playsink, gboolean raw)
elem = elem =
gst_play_sink_find_property_sinks (playsink, chain->sink, "volume", gst_play_sink_find_property_sinks (playsink, chain->sink, "volume",
G_TYPE_DOUBLE); G_TYPE_DOUBLE);
chain->notify_volume_id = chain->notify_mute_id = 0;
if (elem) { if (elem) {
chain->volume = elem; chain->volume = elem;
g_signal_connect (chain->volume, "notify::volume", chain->notify_volume_id = g_signal_connect (chain->volume, "notify::volume",
G_CALLBACK (notify_volume_cb), playsink); G_CALLBACK (notify_volume_cb), playsink);
GST_DEBUG_OBJECT (playsink, "the sink has a volume property"); GST_DEBUG_OBJECT (playsink, "the sink has a volume property");
@ -2565,7 +2574,7 @@ gen_audio_chain (GstPlaySink * playsink, gboolean raw)
G_TYPE_BOOLEAN); G_TYPE_BOOLEAN);
if (chain->mute) { if (chain->mute) {
GST_DEBUG_OBJECT (playsink, "the sink has a mute property"); GST_DEBUG_OBJECT (playsink, "the sink has a mute property");
g_signal_connect (chain->mute, "notify::mute", chain->notify_mute_id = g_signal_connect (chain->mute, "notify::mute",
G_CALLBACK (notify_mute_cb), playsink); G_CALLBACK (notify_mute_cb), playsink);
} }
/* use the sink to control the volume and mute */ /* use the sink to control the volume and mute */
@ -2618,12 +2627,13 @@ gen_audio_chain (GstPlaySink * playsink, gboolean raw)
chain->volume = conv->volume; chain->volume = conv->volume;
have_volume = TRUE; have_volume = TRUE;
chain->notify_volume_id =
g_signal_connect (chain->volume, "notify::volume", g_signal_connect (chain->volume, "notify::volume",
G_CALLBACK (notify_volume_cb), playsink); G_CALLBACK (notify_volume_cb), playsink);
/* volume also has the mute property */ /* volume also has the mute property */
chain->mute = chain->volume; chain->mute = chain->volume;
g_signal_connect (chain->mute, "notify::mute", chain->notify_mute_id = g_signal_connect (chain->mute, "notify::mute",
G_CALLBACK (notify_mute_cb), playsink); G_CALLBACK (notify_mute_cb), playsink);
/* configure with the latest volume and mute */ /* configure with the latest volume and mute */
@ -2739,6 +2749,9 @@ setup_audio_chain (GstPlaySink * playsink, gboolean raw)
gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset", gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
G_TYPE_INT64)); G_TYPE_INT64));
/* Disconnect signals */
disconnect_audio_chain (chain, playsink);
/* check if the sink, or something within the sink, has the volume property. /* check if the sink, or something within the sink, has the volume property.
* If it does we don't need to add a volume element. */ * If it does we don't need to add a volume element. */
elem = elem =
@ -2755,7 +2768,7 @@ setup_audio_chain (GstPlaySink * playsink, gboolean raw)
playsink->volume_changed = FALSE; playsink->volume_changed = FALSE;
} }
g_signal_connect (chain->volume, "notify::volume", chain->notify_volume_id = g_signal_connect (chain->volume, "notify::volume",
G_CALLBACK (notify_volume_cb), playsink); G_CALLBACK (notify_volume_cb), playsink);
/* if the sink also has a mute property we can use this as well. We'll only /* if the sink also has a mute property we can use this as well. We'll only
* use the mute property if there is a volume property. We can simulate the * use the mute property if there is a volume property. We can simulate the
@ -2765,7 +2778,7 @@ setup_audio_chain (GstPlaySink * playsink, gboolean raw)
G_TYPE_BOOLEAN); G_TYPE_BOOLEAN);
if (chain->mute) { if (chain->mute) {
GST_DEBUG_OBJECT (playsink, "the sink has a mute property"); GST_DEBUG_OBJECT (playsink, "the sink has a mute property");
g_signal_connect (chain->mute, "notify::mute", chain->notify_mute_id = g_signal_connect (chain->mute, "notify::mute",
G_CALLBACK (notify_mute_cb), playsink); G_CALLBACK (notify_mute_cb), playsink);
} }
@ -2776,17 +2789,15 @@ setup_audio_chain (GstPlaySink * playsink, gboolean raw)
! !(playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME), NULL); ! !(playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME), NULL);
GST_DEBUG_OBJECT (playsink, "the sink has no volume property"); GST_DEBUG_OBJECT (playsink, "the sink has no volume property");
/* Disconnect signals */
disconnect_chain (chain, playsink);
if (conv->volume && (playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME)) { if (conv->volume && (playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME)) {
chain->volume = conv->volume; chain->volume = conv->volume;
chain->mute = chain->volume; chain->mute = chain->volume;
chain->notify_volume_id =
g_signal_connect (chain->volume, "notify::volume", g_signal_connect (chain->volume, "notify::volume",
G_CALLBACK (notify_volume_cb), playsink); G_CALLBACK (notify_volume_cb), playsink);
g_signal_connect (chain->mute, "notify::mute", chain->notify_mute_id = g_signal_connect (chain->mute, "notify::mute",
G_CALLBACK (notify_mute_cb), playsink); G_CALLBACK (notify_mute_cb), playsink);
/* configure with the latest volume and mute */ /* configure with the latest volume and mute */
@ -3059,8 +3070,8 @@ gst_play_sink_do_reconfigure (GstPlaySink * playsink)
playsink->overlay_element = NULL; playsink->overlay_element = NULL;
if (playsink->colorbalance_element) { if (playsink->colorbalance_element) {
g_signal_handlers_disconnect_by_func (playsink->colorbalance_element, g_signal_handler_disconnect (playsink->colorbalance_element,
G_CALLBACK (colorbalance_value_changed_cb), playsink); playsink->colorbalance_value_changed_id);
gst_object_unref (playsink->colorbalance_element); gst_object_unref (playsink->colorbalance_element);
} }
playsink->colorbalance_element = NULL; playsink->colorbalance_element = NULL;
@ -3193,8 +3204,8 @@ gst_play_sink_do_reconfigure (GstPlaySink * playsink)
playsink->overlay_element = NULL; playsink->overlay_element = NULL;
if (playsink->colorbalance_element) { if (playsink->colorbalance_element) {
g_signal_handlers_disconnect_by_func (playsink->colorbalance_element, g_signal_handler_disconnect (playsink->colorbalance_element,
G_CALLBACK (colorbalance_value_changed_cb), playsink); playsink->colorbalance_value_changed_id);
gst_object_unref (playsink->colorbalance_element); gst_object_unref (playsink->colorbalance_element);
} }
playsink->colorbalance_element = NULL; playsink->colorbalance_element = NULL;
@ -3240,7 +3251,7 @@ gst_play_sink_do_reconfigure (GstPlaySink * playsink)
playsink->audiochain->sink); playsink->audiochain->sink);
activate_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE); activate_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
disconnect_chain (playsink->audiochain, playsink); disconnect_audio_chain (playsink->audiochain, playsink);
playsink->audiochain->volume = NULL; playsink->audiochain->volume = NULL;
playsink->audiochain->mute = NULL; playsink->audiochain->mute = NULL;
if (playsink->audiochain->ts_offset) if (playsink->audiochain->ts_offset)
@ -3312,7 +3323,7 @@ gst_play_sink_do_reconfigure (GstPlaySink * playsink)
} }
if (playsink->audiochain->sink_volume) { if (playsink->audiochain->sink_volume) {
disconnect_chain (playsink->audiochain, playsink); disconnect_audio_chain (playsink->audiochain, playsink);
playsink->audiochain->volume = NULL; playsink->audiochain->volume = NULL;
playsink->audiochain->mute = NULL; playsink->audiochain->mute = NULL;
if (playsink->audiochain->ts_offset) if (playsink->audiochain->ts_offset)
@ -4055,6 +4066,7 @@ gst_play_sink_request_pad (GstPlaySink * playsink, GstPlaySinkType type)
GST_LOG_OBJECT (playsink, "ghosting tee sinkpad"); GST_LOG_OBJECT (playsink, "ghosting tee sinkpad");
playsink->audio_pad = playsink->audio_pad =
gst_ghost_pad_new (pad_name, playsink->audio_tee_sink); gst_ghost_pad_new (pad_name, playsink->audio_tee_sink);
playsink->audio_notify_caps_id =
g_signal_connect (G_OBJECT (playsink->audio_pad), "notify::caps", g_signal_connect (G_OBJECT (playsink->audio_pad), "notify::caps",
G_CALLBACK (caps_notify_cb), playsink); G_CALLBACK (caps_notify_cb), playsink);
created = TRUE; created = TRUE;
@ -4070,6 +4082,7 @@ gst_play_sink_request_pad (GstPlaySink * playsink, GstPlaySinkType type)
GST_LOG_OBJECT (playsink, "ghosting videosink"); GST_LOG_OBJECT (playsink, "ghosting videosink");
playsink->video_pad = playsink->video_pad =
gst_ghost_pad_new_no_target (pad_name, GST_PAD_SINK); gst_ghost_pad_new_no_target (pad_name, GST_PAD_SINK);
playsink->video_notify_caps_id =
g_signal_connect (G_OBJECT (playsink->video_pad), "notify::caps", g_signal_connect (G_OBJECT (playsink->video_pad), "notify::caps",
G_CALLBACK (caps_notify_cb), playsink); G_CALLBACK (caps_notify_cb), playsink);
created = TRUE; created = TRUE;
@ -4179,13 +4192,13 @@ gst_play_sink_release_pad (GstPlaySink * playsink, GstPad * pad)
GST_PLAY_SINK_LOCK (playsink); GST_PLAY_SINK_LOCK (playsink);
if (pad == playsink->video_pad) { if (pad == playsink->video_pad) {
res = &playsink->video_pad; res = &playsink->video_pad;
g_signal_handlers_disconnect_by_func (playsink->video_pad, caps_notify_cb, g_signal_handler_disconnect (playsink->video_pad,
playsink); playsink->video_notify_caps_id);
video_set_blocked (playsink, FALSE); video_set_blocked (playsink, FALSE);
} else if (pad == playsink->audio_pad) { } else if (pad == playsink->audio_pad) {
res = &playsink->audio_pad; res = &playsink->audio_pad;
g_signal_handlers_disconnect_by_func (playsink->audio_pad, caps_notify_cb, g_signal_handler_disconnect (playsink->audio_pad,
playsink); playsink->audio_notify_caps_id);
audio_set_blocked (playsink, FALSE); audio_set_blocked (playsink, FALSE);
} else if (pad == playsink->text_pad) { } else if (pad == playsink->text_pad) {
res = &playsink->text_pad; res = &playsink->text_pad;
@ -4429,7 +4442,7 @@ gst_play_sink_change_state (GstElement * element, GstStateChange transition)
if (playsink->audiochain && playsink->audiochain->sink_volume) { if (playsink->audiochain && playsink->audiochain->sink_volume) {
/* remove our links to the mute and volume elements when they were /* remove our links to the mute and volume elements when they were
* provided by a sink */ * provided by a sink */
disconnect_chain (playsink->audiochain, playsink); disconnect_audio_chain (playsink->audiochain, playsink);
playsink->audiochain->volume = NULL; playsink->audiochain->volume = NULL;
playsink->audiochain->mute = NULL; playsink->audiochain->mute = NULL;
} }
@ -4450,8 +4463,8 @@ gst_play_sink_change_state (GstElement * element, GstStateChange transition)
playsink->overlay_element = NULL; playsink->overlay_element = NULL;
if (playsink->colorbalance_element) { if (playsink->colorbalance_element) {
g_signal_handlers_disconnect_by_func (playsink->colorbalance_element, g_signal_handler_disconnect (playsink->colorbalance_element,
G_CALLBACK (colorbalance_value_changed_cb), playsink); playsink->colorbalance_value_changed_id);
gst_object_unref (playsink->colorbalance_element); gst_object_unref (playsink->colorbalance_element);
} }
playsink->colorbalance_element = NULL; playsink->colorbalance_element = NULL;