gststreaminfo.c \
gststreamselector.c \
gstsubtitleoverlay.c \
+ gstplaysinkvideoconvert.c \
+ gstplaysinkaudioconvert.c \
gststreamsynchronizer.c
nodist_libgstplaybin_la_SOURCES = $(built_sources)
gststreamselector.h \
gstrawcaps.h \
gstsubtitleoverlay.h \
+ gstplaysinkvideoconvert.h \
+ gstplaysinkaudioconvert.h \
gststreamsynchronizer.h
BUILT_SOURCES = $(built_headers) $(built_sources)
#include "gstplaysink.h"
#include "gststreamsynchronizer.h"
+#include "gstplaysinkvideoconvert.h"
+#include "gstplaysinkaudioconvert.h"
GST_DEBUG_CATEGORY_STATIC (gst_play_sink_debug);
#define GST_CAT_DEFAULT gst_play_sink_debug
GstPad *sinkpad;
GstElement *queue;
GstElement *conv;
- GstElement *resample;
GstElement *volume; /* element with the volume property */
gboolean sink_volume; /* if the volume was provided by the sink */
GstElement *mute; /* element with the mute property */
GstPad *sinkpad;
GstElement *queue;
GstElement *conv;
- GstElement *scale;
GstElement *sink;
gboolean async;
GstElement *ts_offset;
head = prev = chain->queue;
}
- if (raw && !(playsink->flags & GST_PLAY_FLAG_NATIVE_VIDEO)) {
- GST_DEBUG_OBJECT (playsink, "creating ffmpegcolorspace");
- chain->conv = gst_element_factory_make ("ffmpegcolorspace", "vconv");
- if (chain->conv == NULL) {
- post_missing_element_message (playsink, "ffmpegcolorspace");
- GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
- (_("Missing element '%s' - check your GStreamer installation."),
- "ffmpegcolorspace"), ("video rendering might fail"));
+ if (!(playsink->flags & GST_PLAY_FLAG_NATIVE_VIDEO)) {
+ GST_DEBUG_OBJECT (playsink, "creating videoconverter");
+ chain->conv =
+ g_object_new (GST_TYPE_PLAY_SINK_VIDEO_CONVERT, "name", "vconv", NULL);
+ gst_bin_add (bin, chain->conv);
+ if (prev) {
+ if (!gst_element_link_pads_full (prev, "src", chain->conv, "sink",
+ GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
+ goto link_failed;
} else {
- gst_bin_add (bin, chain->conv);
- if (prev) {
- if (!gst_element_link_pads_full (prev, "src", chain->conv, "sink",
- GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
- goto link_failed;
- } else {
- head = chain->conv;
- }
- prev = chain->conv;
- }
-
- GST_DEBUG_OBJECT (playsink, "creating videoscale");
- chain->scale = gst_element_factory_make ("videoscale", "vscale");
- if (chain->scale == NULL) {
- post_missing_element_message (playsink, "videoscale");
- GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
- (_("Missing element '%s' - check your GStreamer installation."),
- "videoscale"), ("possibly a liboil version mismatch?"));
- } else {
- /* Add black borders if necessary to keep the DAR */
- g_object_set (chain->scale, "add-borders", TRUE, NULL);
- gst_bin_add (bin, chain->scale);
- if (prev) {
- if (!gst_element_link_pads_full (prev, "src", chain->scale, "sink",
- GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
- goto link_failed;
- } else {
- head = chain->scale;
- }
- prev = chain->scale;
+ head = chain->conv;
}
+ prev = chain->conv;
}
if (prev) {
chain = playsink->videochain;
- if (chain->chain.raw != raw)
- return FALSE;
+ chain->chain.raw = raw;
/* if the chain was active we don't do anything */
if (GST_PLAY_CHAIN (chain)->activated == TRUE)
chain->sink_volume = FALSE;
}
- if (raw && !(playsink->flags & GST_PLAY_FLAG_NATIVE_AUDIO)) {
+ if (!(playsink->flags & GST_PLAY_FLAG_NATIVE_AUDIO) || (!have_volume
+ && playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME)) {
GST_DEBUG_OBJECT (playsink, "creating audioconvert");
- chain->conv = gst_element_factory_make ("audioconvert", "aconv");
- if (chain->conv == NULL) {
- post_missing_element_message (playsink, "audioconvert");
- GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
- (_("Missing element '%s' - check your GStreamer installation."),
- "audioconvert"), ("possibly a liboil version mismatch?"));
+ chain->conv =
+ g_object_new (GST_TYPE_PLAY_SINK_AUDIO_CONVERT, "name", "aconv", NULL);
+ gst_bin_add (bin, chain->conv);
+ if (prev) {
+ if (!gst_element_link_pads_full (prev, "src", chain->conv, "sink",
+ GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
+ goto link_failed;
} else {
- gst_bin_add (bin, chain->conv);
- if (prev) {
- if (!gst_element_link_pads_full (prev, "src", chain->conv, "sink",
- GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
- goto link_failed;
- } else {
- head = chain->conv;
- }
- prev = chain->conv;
+ head = chain->conv;
}
+ prev = chain->conv;
- GST_DEBUG_OBJECT (playsink, "creating audioresample");
- chain->resample = gst_element_factory_make ("audioresample", "aresample");
- if (chain->resample == NULL) {
- post_missing_element_message (playsink, "audioresample");
- GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
- (_("Missing element '%s' - check your GStreamer installation."),
- "audioresample"), ("possibly a liboil version mismatch?"));
- } else {
- gst_bin_add (bin, chain->resample);
- if (prev) {
- if (!gst_element_link_pads_full (prev, "src", chain->resample, "sink",
- GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
- goto link_failed;
- } else {
- head = chain->resample;
- }
- prev = chain->resample;
- }
+ GST_PLAY_SINK_AUDIO_CONVERT_CAST (chain->conv)->use_converters =
+ !(playsink->flags & GST_PLAY_FLAG_NATIVE_AUDIO);
+ GST_PLAY_SINK_AUDIO_CONVERT_CAST (chain->conv)->use_volume = (!have_volume
+ && playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME);
if (!have_volume && playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME) {
- GST_DEBUG_OBJECT (playsink, "creating volume");
- chain->volume = gst_element_factory_make ("volume", "volume");
- if (chain->volume == NULL) {
- post_missing_element_message (playsink, "volume");
- GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
- (_("Missing element '%s' - check your GStreamer installation."),
- "volume"), ("possibly a liboil version mismatch?"));
- } else {
+ GstPlaySinkAudioConvert *conv =
+ GST_PLAY_SINK_AUDIO_CONVERT_CAST (chain->conv);
+
+ if (conv->volume) {
+ chain->volume = conv->volume;
have_volume = TRUE;
g_signal_connect (chain->volume, "notify::volume",
g_object_set (G_OBJECT (chain->volume), "volume", playsink->volume,
NULL);
g_object_set (G_OBJECT (chain->mute), "mute", playsink->mute, NULL);
- gst_bin_add (bin, chain->volume);
-
- if (prev) {
- if (!gst_element_link_pads_full (prev, "src", chain->volume, "sink",
- GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
- goto link_failed;
- } else {
- head = chain->volume;
- }
- prev = chain->volume;
}
}
}
chain = playsink->audiochain;
- if (chain->chain.raw != raw)
- return FALSE;
+ chain->chain.raw = raw;
/* if the chain was active we don't do anything */
if (GST_PLAY_CHAIN (chain)->activated == TRUE)
g_signal_connect (chain->mute, "notify::mute",
G_CALLBACK (notify_mute_cb), playsink);
}
+
+ GST_PLAY_SINK_AUDIO_CONVERT_CAST (chain->conv)->use_volume = FALSE;
} else {
+ GstPlaySinkAudioConvert *conv =
+ GST_PLAY_SINK_AUDIO_CONVERT_CAST (chain->conv);
+
/* no volume, we need to add a volume element when we can */
+ conv->use_volume = TRUE;
GST_DEBUG_OBJECT (playsink, "the sink has no volume property");
- if (!raw) {
- GST_LOG_OBJECT (playsink, "non-raw format, can't do soft volume control");
- disconnect_chain (chain, playsink);
- chain->volume = NULL;
- chain->mute = NULL;
- } else {
- /* both last and current chain are raw audio, there should be a volume
- * element already, unless the sink changed from one with a volume
- * property to one that hasn't got a volume property, in which case we
- * re-generate the chain */
- if (chain->volume == NULL) {
- GST_DEBUG_OBJECT (playsink, "no existing volume element to re-use");
- /* undo background state change done earlier */
- gst_element_set_state (chain->sink, GST_STATE_NULL);
- return FALSE;
- }
+ /* Disconnect signals */
+ disconnect_chain (chain, playsink);
+
+ if (conv->volume) {
+ chain->volume = conv->volume;
+ chain->mute = chain->volume;
- GST_DEBUG_OBJECT (playsink, "reusing existing volume element");
+ g_signal_connect (chain->volume, "notify::volume",
+ G_CALLBACK (notify_volume_cb), playsink);
+
+ g_signal_connect (chain->mute, "notify::mute",
+ G_CALLBACK (notify_mute_cb), playsink);
+
+ /* configure with the latest volume and mute */
+ g_object_set (G_OBJECT (chain->volume), "volume", playsink->volume, NULL);
+ g_object_set (G_OBJECT (chain->mute), "mute", playsink->mute, NULL);
}
+
+ GST_DEBUG_OBJECT (playsink, "reusing existing volume element");
}
return TRUE;
}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2011> Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstplaysinkaudioconvert.h"
+
+#include <gst/pbutils/pbutils.h>
+#include <gst/gst-i18n-plugin.h>
+
+GST_DEBUG_CATEGORY_STATIC (gst_play_sink_audio_convert_debug);
+#define GST_CAT_DEFAULT gst_play_sink_audio_convert_debug
+
+#define parent_class gst_play_sink_audio_convert_parent_class
+
+G_DEFINE_TYPE (GstPlaySinkAudioConvert, gst_play_sink_audio_convert,
+ GST_TYPE_BIN);
+
+static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+static gboolean
+is_raw_caps (GstCaps * caps)
+{
+ gint i, n;
+ GstStructure *s;
+ const gchar *name;
+
+ n = gst_caps_get_size (caps);
+ for (i = 0; i < n; i++) {
+ s = gst_caps_get_structure (caps, i);
+ name = gst_structure_get_name (s);
+ if (!g_str_has_prefix (name, "audio/x-raw"))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+post_missing_element_message (GstPlaySinkAudioConvert * self,
+ const gchar * name)
+{
+ GstMessage *msg;
+
+ msg = gst_missing_element_message_new (GST_ELEMENT_CAST (self), name);
+ gst_element_post_message (GST_ELEMENT_CAST (self), msg);
+}
+
+static void
+distribute_running_time (GstElement * element, const GstSegment * segment)
+{
+ GstEvent *event;
+ GstPad *pad;
+
+ pad = gst_element_get_static_pad (element, "sink");
+
+ if (segment->accum) {
+ event = gst_event_new_new_segment_full (FALSE, segment->rate,
+ segment->applied_rate, segment->format, 0, segment->accum, 0);
+ gst_pad_push_event (pad, event);
+ }
+
+ event = gst_event_new_new_segment_full (FALSE, segment->rate,
+ segment->applied_rate, segment->format,
+ segment->start, segment->stop, segment->time);
+ gst_pad_push_event (pad, event);
+
+ gst_object_unref (pad);
+}
+
+static void
+pad_blocked_cb (GstPad * pad, gboolean blocked, GstPlaySinkAudioConvert * self)
+{
+ GstPad *peer;
+ GstCaps *caps;
+ gboolean raw;
+
+ GST_PLAY_SINK_AUDIO_CONVERT_LOCK (self);
+ self->sink_proxypad_blocked = blocked;
+ GST_DEBUG_OBJECT (self, "Pad blocked: %d", blocked);
+ if (!blocked)
+ goto done;
+
+ /* There must be a peer at this point */
+ peer = gst_pad_get_peer (self->sinkpad);
+ caps = gst_pad_get_negotiated_caps (peer);
+ if (!caps)
+ caps = gst_pad_get_caps_reffed (peer);
+ gst_object_unref (peer);
+
+ raw = is_raw_caps (caps);
+ GST_DEBUG_OBJECT (self, "Caps %" GST_PTR_FORMAT " are raw: %d", caps, raw);
+ gst_caps_unref (caps);
+
+ if (raw == self->raw)
+ goto unblock;
+ self->raw = raw;
+
+ if (raw) {
+ GstBin *bin = GST_BIN_CAST (self);
+ GstElement *head = NULL, *prev = NULL;
+ GstPad *pad;
+
+ GST_DEBUG_OBJECT (self, "Creating raw conversion pipeline");
+
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);
+
+ if (self->use_converters) {
+ self->conv = gst_element_factory_make ("audioconvert", "conv");
+ if (self->conv == NULL) {
+ post_missing_element_message (self, "audioconvert");
+ GST_ELEMENT_WARNING (self, CORE, MISSING_PLUGIN,
+ (_("Missing element '%s' - check your GStreamer installation."),
+ "audioconvert"), ("audio rendering might fail"));
+ } else {
+ gst_bin_add (bin, self->conv);
+ gst_element_sync_state_with_parent (self->conv);
+ distribute_running_time (self->conv, &self->segment);
+ prev = head = self->conv;
+ }
+
+ self->resample = gst_element_factory_make ("audioresample", "resample");
+ if (self->resample == NULL) {
+ post_missing_element_message (self, "audioresample");
+ GST_ELEMENT_WARNING (self, CORE, MISSING_PLUGIN,
+ (_("Missing element '%s' - check your GStreamer installation."),
+ "audioresample"), ("possibly a liboil version mismatch?"));
+ } else {
+ gst_bin_add (bin, self->resample);
+ gst_element_sync_state_with_parent (self->resample);
+ distribute_running_time (self->resample, &self->segment);
+ if (prev) {
+ if (!gst_element_link_pads_full (prev, "src", self->resample, "sink",
+ GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
+ goto link_failed;
+ } else {
+ head = self->resample;
+ }
+ prev = self->resample;
+ }
+ }
+
+ if (self->use_volume && self->volume) {
+ gst_bin_add (bin, gst_object_ref (self->volume));
+ gst_element_sync_state_with_parent (self->volume);
+ distribute_running_time (self->volume, &self->segment);
+ if (prev) {
+ if (!gst_element_link_pads_full (prev, "src", self->volume, "sink",
+ GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
+ goto link_failed;
+ } else {
+ head = self->volume;
+ }
+ prev = self->volume;
+ }
+
+ if (head) {
+ pad = gst_element_get_static_pad (head, "sink");
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), pad);
+ gst_object_unref (pad);
+ }
+
+ if (prev) {
+ pad = gst_element_get_static_pad (prev, "src");
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), pad);
+ gst_object_unref (pad);
+ }
+
+ if (!head && !prev) {
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
+ self->sink_proxypad);
+ }
+
+ GST_DEBUG_OBJECT (self, "Raw conversion pipeline created");
+ } else {
+ GstBin *bin = GST_BIN_CAST (self);
+
+ GST_DEBUG_OBJECT (self, "Removing raw conversion pipeline");
+
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);
+
+ if (self->conv) {
+ gst_element_set_state (self->conv, GST_STATE_NULL);
+ gst_bin_remove (bin, self->conv);
+ self->conv = NULL;
+ }
+ if (self->resample) {
+ gst_element_set_state (self->resample, GST_STATE_NULL);
+ gst_bin_remove (bin, self->resample);
+ self->resample = NULL;
+ }
+ if (self->volume) {
+ gst_element_set_state (self->volume, GST_STATE_NULL);
+ if (GST_OBJECT_PARENT (self->volume) == GST_OBJECT_CAST (self)) {
+ gst_bin_remove (GST_BIN_CAST (self), self->volume);
+ }
+ }
+
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
+ self->sink_proxypad);
+
+ GST_DEBUG_OBJECT (self, "Raw conversion pipeline removed");
+ }
+
+unblock:
+ gst_pad_set_blocked_async_full (self->sink_proxypad, FALSE,
+ (GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
+ (GDestroyNotify) gst_object_unref);
+
+done:
+ GST_PLAY_SINK_AUDIO_CONVERT_UNLOCK (self);
+ return;
+
+link_failed:
+ {
+ GST_ELEMENT_ERROR (self, CORE, PAD,
+ (NULL), ("Failed to configure the audio converter."));
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
+ self->sink_proxypad);
+ gst_pad_set_blocked_async_full (self->sink_proxypad, FALSE,
+ (GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
+ (GDestroyNotify) gst_object_unref);
+ return;
+ }
+}
+
+static gboolean
+gst_play_sink_audio_convert_sink_event (GstPad * pad, GstEvent * event)
+{
+ GstPlaySinkAudioConvert *self =
+ GST_PLAY_SINK_AUDIO_CONVERT (gst_pad_get_parent (pad));
+ gboolean ret;
+
+ ret = self->sink_event (pad, gst_event_ref (event));
+
+ if (GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT) {
+ gboolean update;
+ gdouble rate, applied_rate;
+ GstFormat format;
+ gint64 start, stop, position;
+
+ GST_PLAY_SINK_AUDIO_CONVERT_LOCK (self);
+ gst_event_parse_new_segment_full (event, &update, &rate, &applied_rate,
+ &format, &start, &stop, &position);
+
+ GST_DEBUG_OBJECT (self, "Segment before %" GST_SEGMENT_FORMAT,
+ &self->segment);
+ gst_segment_set_newsegment_full (&self->segment, update, rate, applied_rate,
+ format, start, stop, position);
+ GST_DEBUG_OBJECT (self, "Segment after %" GST_SEGMENT_FORMAT,
+ &self->segment);
+ GST_PLAY_SINK_AUDIO_CONVERT_UNLOCK (self);
+ } else if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_STOP) {
+ GST_PLAY_SINK_AUDIO_CONVERT_LOCK (self);
+ GST_DEBUG_OBJECT (self, "Resetting segment");
+ gst_segment_init (&self->segment, GST_FORMAT_UNDEFINED);
+ GST_PLAY_SINK_AUDIO_CONVERT_UNLOCK (self);
+ }
+
+ gst_event_unref (event);
+ gst_object_unref (self);
+
+ return ret;
+}
+
+static gboolean
+gst_play_sink_audio_convert_sink_setcaps (GstPad * pad, GstCaps * caps)
+{
+ GstPlaySinkAudioConvert *self =
+ GST_PLAY_SINK_AUDIO_CONVERT (gst_pad_get_parent (pad));
+ gboolean ret;
+ GstStructure *s;
+ const gchar *name;
+ gboolean reconfigure = FALSE;
+
+ GST_PLAY_SINK_AUDIO_CONVERT_LOCK (self);
+ s = gst_caps_get_structure (caps, 0);
+ name = gst_structure_get_name (s);
+
+ if (g_str_has_prefix (name, "audio/x-raw-")) {
+ if (!self->raw && !gst_pad_is_blocked (self->sink_proxypad)) {
+ GST_DEBUG_OBJECT (self, "Changing caps from non-raw to raw");
+ reconfigure = TRUE;
+ gst_pad_set_blocked_async_full (self->sink_proxypad, TRUE,
+ (GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
+ (GDestroyNotify) gst_object_unref);
+ }
+ } else {
+ if (self->raw && !gst_pad_is_blocked (self->sink_proxypad)) {
+ GST_DEBUG_OBJECT (self, "Changing caps from raw to non-raw");
+ reconfigure = TRUE;
+ gst_pad_set_blocked_async_full (self->sink_proxypad, TRUE,
+ (GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
+ (GDestroyNotify) gst_object_unref);
+ }
+ }
+
+ /* Otherwise the setcaps below fails */
+ if (reconfigure) {
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);
+ }
+
+ GST_PLAY_SINK_AUDIO_CONVERT_UNLOCK (self);
+ ret = self->sink_setcaps (pad, caps);
+
+ GST_DEBUG_OBJECT (self, "Setting sink caps %" GST_PTR_FORMAT ": %d", caps,
+ ret);
+
+ gst_object_unref (self);
+
+ return ret;
+}
+
+static GstCaps *
+gst_play_sink_audio_convert_getcaps (GstPad * pad)
+{
+ GstPlaySinkAudioConvert *self =
+ GST_PLAY_SINK_AUDIO_CONVERT (gst_pad_get_parent (pad));
+ GstCaps *ret;
+ GstPad *otherpad, *peer;
+
+ GST_PLAY_SINK_AUDIO_CONVERT_LOCK (self);
+ if (pad == self->srcpad)
+ otherpad = gst_object_ref (self->sinkpad);
+ else
+ otherpad = gst_object_ref (self->srcpad);
+ GST_PLAY_SINK_AUDIO_CONVERT_UNLOCK (self);
+
+ peer = gst_pad_get_peer (otherpad);
+ if (peer) {
+ ret = gst_pad_get_caps_reffed (peer);
+ gst_object_unref (peer);
+ } else {
+ ret = gst_caps_new_any ();
+ }
+
+ gst_object_unref (otherpad);
+ gst_object_unref (self);
+
+ return ret;
+}
+
+static void
+gst_play_sink_audio_convert_finalize (GObject * object)
+{
+ GstPlaySinkAudioConvert *self = GST_PLAY_SINK_AUDIO_CONVERT_CAST (object);
+
+ if (self->volume)
+ gst_object_unref (self->volume);
+
+ gst_object_unref (self->sink_proxypad);
+ g_mutex_free (self->lock);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static GstStateChangeReturn
+gst_play_sink_audio_convert_change_state (GstElement * element,
+ GstStateChange transition)
+{
+ GstStateChangeReturn ret;
+ GstPlaySinkAudioConvert *self = GST_PLAY_SINK_AUDIO_CONVERT_CAST (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ GST_PLAY_SINK_AUDIO_CONVERT_LOCK (self);
+ if (gst_pad_is_blocked (self->sink_proxypad))
+ gst_pad_set_blocked_async_full (self->sink_proxypad, FALSE,
+ (GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
+ (GDestroyNotify) gst_object_unref);
+ GST_PLAY_SINK_AUDIO_CONVERT_UNLOCK (self);
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+ if (ret == GST_STATE_CHANGE_FAILURE)
+ return ret;
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ GST_PLAY_SINK_AUDIO_CONVERT_LOCK (self);
+ gst_segment_init (&self->segment, GST_FORMAT_UNDEFINED);
+ if (self->conv) {
+ gst_element_set_state (self->conv, GST_STATE_NULL);
+ gst_bin_remove (GST_BIN_CAST (self), self->conv);
+ self->conv = NULL;
+ }
+ if (self->resample) {
+ gst_element_set_state (self->resample, GST_STATE_NULL);
+ gst_bin_remove (GST_BIN_CAST (self), self->resample);
+ self->resample = NULL;
+ }
+ if (self->volume) {
+ gst_element_set_state (self->volume, GST_STATE_NULL);
+ if (GST_OBJECT_PARENT (self->volume) == GST_OBJECT_CAST (self)) {
+ gst_bin_remove (GST_BIN_CAST (self), self->volume);
+ }
+ }
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
+ self->sink_proxypad);
+ self->raw = FALSE;
+ GST_PLAY_SINK_AUDIO_CONVERT_UNLOCK (self);
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ GST_PLAY_SINK_AUDIO_CONVERT_LOCK (self);
+ if (!gst_pad_is_blocked (self->sink_proxypad))
+ gst_pad_set_blocked_async_full (self->sink_proxypad, TRUE,
+ (GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
+ (GDestroyNotify) gst_object_unref);
+ GST_PLAY_SINK_AUDIO_CONVERT_UNLOCK (self);
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static void
+gst_play_sink_audio_convert_class_init (GstPlaySinkAudioConvertClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ GST_DEBUG_CATEGORY_INIT (gst_play_sink_audio_convert_debug,
+ "playsinkaudioconvert", 0, "play bin");
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ gobject_class->finalize = gst_play_sink_audio_convert_finalize;
+
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&srctemplate));
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&sinktemplate));
+ gst_element_class_set_details_simple (gstelement_class,
+ "Player Sink Audio Converter", "Audio/Bin/Converter",
+ "Convenience bin for audio conversion",
+ "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
+
+ gstelement_class->change_state =
+ GST_DEBUG_FUNCPTR (gst_play_sink_audio_convert_change_state);
+}
+
+static void
+gst_play_sink_audio_convert_init (GstPlaySinkAudioConvert * self)
+{
+ GstPadTemplate *templ;
+ GstIterator *it;
+
+ self->lock = g_mutex_new ();
+ gst_segment_init (&self->segment, GST_FORMAT_UNDEFINED);
+
+ templ = gst_static_pad_template_get (&sinktemplate);
+ self->sinkpad = gst_ghost_pad_new_no_target_from_template ("sink", templ);
+ self->sink_event = GST_PAD_EVENTFUNC (self->sinkpad);
+ gst_pad_set_event_function (self->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_play_sink_audio_convert_sink_event));
+ self->sink_setcaps = GST_PAD_SETCAPSFUNC (self->sinkpad);
+ gst_pad_set_setcaps_function (self->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_play_sink_audio_convert_sink_setcaps));
+ gst_pad_set_getcaps_function (self->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_play_sink_audio_convert_getcaps));
+
+ it = gst_pad_iterate_internal_links (self->sinkpad);
+ g_assert (it);
+ gst_iterator_next (it, (gpointer *) & self->sink_proxypad);
+ g_assert (self->sink_proxypad);
+ gst_iterator_free (it);
+
+ gst_element_add_pad (GST_ELEMENT_CAST (self), self->sinkpad);
+ gst_object_unref (templ);
+
+ templ = gst_static_pad_template_get (&srctemplate);
+ self->srcpad = gst_ghost_pad_new_no_target_from_template ("src", templ);
+ gst_pad_set_getcaps_function (self->srcpad,
+ GST_DEBUG_FUNCPTR (gst_play_sink_audio_convert_getcaps));
+ gst_element_add_pad (GST_ELEMENT_CAST (self), self->srcpad);
+ gst_object_unref (templ);
+
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
+ self->sink_proxypad);
+
+ /* FIXME: Only create this on demand but for now we need
+ * it to always exist because of playsink's volume proxying
+ * logic.
+ */
+ self->volume = gst_element_factory_make ("volume", "volume");
+ if (self->volume)
+ gst_object_ref_sink (self->volume);
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2011> Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gst.h>
+
+#ifndef __GST_PLAY_SINK_AUDIO_CONVERT_H__
+#define __GST_PLAY_SINK_AUDIO_CONVERT_H__
+
+G_BEGIN_DECLS
+#define GST_TYPE_PLAY_SINK_AUDIO_CONVERT \
+ (gst_play_sink_audio_convert_get_type())
+#define GST_PLAY_SINK_AUDIO_CONVERT(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLAY_SINK_AUDIO_CONVERT, GstPlaySinkAudioConvert))
+#define GST_PLAY_SINK_AUDIO_CONVERT_CAST(obj) \
+ ((GstPlaySinkAudioConvert *) obj)
+#define GST_PLAY_SINK_AUDIO_CONVERT_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLAY_SINK_AUDIO_CONVERT, GstPlaySinkAudioConvertClass))
+#define GST_IS_PLAY_SINK_AUDIO_CONVERT(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLAY_SINK_AUDIO_CONVERT))
+#define GST_IS_PLAY_SINK_AUDIO_CONVERT_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLAY_SINK_AUDIO_CONVERT))
+
+#define GST_PLAY_SINK_AUDIO_CONVERT_LOCK(obj) G_STMT_START { \
+ GST_LOG_OBJECT (obj, \
+ "locking from thread %p", \
+ g_thread_self ()); \
+ g_mutex_lock (GST_PLAY_SINK_AUDIO_CONVERT_CAST(obj)->lock); \
+ GST_LOG_OBJECT (obj, \
+ "locked from thread %p", \
+ g_thread_self ()); \
+} G_STMT_END
+
+#define GST_PLAY_SINK_AUDIO_CONVERT_UNLOCK(obj) G_STMT_START { \
+ GST_LOG_OBJECT (obj, \
+ "unlocking from thread %p", \
+ g_thread_self ()); \
+ g_mutex_unlock (GST_PLAY_SINK_AUDIO_CONVERT_CAST(obj)->lock); \
+} G_STMT_END
+
+typedef struct _GstPlaySinkAudioConvert GstPlaySinkAudioConvert;
+typedef struct _GstPlaySinkAudioConvertClass GstPlaySinkAudioConvertClass;
+
+struct _GstPlaySinkAudioConvert
+{
+ GstBin parent;
+
+ /* < private > */
+ GMutex *lock;
+
+ GstPad *sinkpad, *sink_proxypad;
+ GstPadEventFunction sink_event;
+ GstPadSetCapsFunction sink_setcaps;
+ gboolean sink_proxypad_blocked;
+ GstSegment segment;
+
+ GstPad *srcpad;
+
+ gboolean raw;
+ GstElement *conv, *resample;
+
+ /* < pseudo public > */
+ GstElement *volume;
+ gboolean use_volume;
+ gboolean use_converters;
+};
+
+struct _GstPlaySinkAudioConvertClass
+{
+ GstBinClass parent;
+};
+
+GType gst_play_sink_audio_convert_get_type (void);
+
+G_END_DECLS
+#endif /* __GST_PLAY_SINK_AUDIO_CONVERT_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2011> Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstplaysinkvideoconvert.h"
+
+#include <gst/pbutils/pbutils.h>
+#include <gst/gst-i18n-plugin.h>
+
+GST_DEBUG_CATEGORY_STATIC (gst_play_sink_video_convert_debug);
+#define GST_CAT_DEFAULT gst_play_sink_video_convert_debug
+
+#define parent_class gst_play_sink_video_convert_parent_class
+
+G_DEFINE_TYPE (GstPlaySinkVideoConvert, gst_play_sink_video_convert,
+ GST_TYPE_BIN);
+
+static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+static gboolean
+is_raw_caps (GstCaps * caps)
+{
+ gint i, n;
+ GstStructure *s;
+ const gchar *name;
+
+ n = gst_caps_get_size (caps);
+ for (i = 0; i < n; i++) {
+ s = gst_caps_get_structure (caps, i);
+ name = gst_structure_get_name (s);
+ if (!g_str_has_prefix (name, "video/x-raw"))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+post_missing_element_message (GstPlaySinkVideoConvert * self,
+ const gchar * name)
+{
+ GstMessage *msg;
+
+ msg = gst_missing_element_message_new (GST_ELEMENT_CAST (self), name);
+ gst_element_post_message (GST_ELEMENT_CAST (self), msg);
+}
+
+static void
+distribute_running_time (GstElement * element, const GstSegment * segment)
+{
+ GstEvent *event;
+ GstPad *pad;
+
+ pad = gst_element_get_static_pad (element, "sink");
+
+ if (segment->accum) {
+ event = gst_event_new_new_segment_full (FALSE, segment->rate,
+ segment->applied_rate, segment->format, 0, segment->accum, 0);
+ gst_pad_push_event (pad, event);
+ }
+
+ event = gst_event_new_new_segment_full (FALSE, segment->rate,
+ segment->applied_rate, segment->format,
+ segment->start, segment->stop, segment->time);
+ gst_pad_push_event (pad, event);
+
+ gst_object_unref (pad);
+}
+
+static void
+pad_blocked_cb (GstPad * pad, gboolean blocked, GstPlaySinkVideoConvert * self)
+{
+ GstPad *peer;
+ GstCaps *caps;
+ gboolean raw;
+
+ GST_PLAY_SINK_VIDEO_CONVERT_LOCK (self);
+ self->sink_proxypad_blocked = blocked;
+ GST_DEBUG_OBJECT (self, "Pad blocked: %d", blocked);
+ if (!blocked)
+ goto done;
+
+ /* There must be a peer at this point */
+ peer = gst_pad_get_peer (self->sinkpad);
+ caps = gst_pad_get_negotiated_caps (peer);
+ if (!caps)
+ caps = gst_pad_get_caps_reffed (peer);
+ gst_object_unref (peer);
+
+ raw = is_raw_caps (caps);
+ GST_DEBUG_OBJECT (self, "Caps %" GST_PTR_FORMAT " are raw: %d", caps, raw);
+ gst_caps_unref (caps);
+
+ if (raw == self->raw)
+ goto unblock;
+ self->raw = raw;
+
+ if (raw) {
+ GstBin *bin = GST_BIN_CAST (self);
+ GstElement *head = NULL, *prev = NULL;
+ GstPad *pad;
+
+ GST_DEBUG_OBJECT (self, "Creating raw conversion pipeline");
+
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);
+
+ self->conv = gst_element_factory_make ("ffmpegcolorspace", "conv");
+ if (self->conv == NULL) {
+ post_missing_element_message (self, "ffmpegcolorspace");
+ GST_ELEMENT_WARNING (self, CORE, MISSING_PLUGIN,
+ (_("Missing element '%s' - check your GStreamer installation."),
+ "ffmpegcolorspace"), ("video rendering might fail"));
+ } else {
+ gst_bin_add (bin, self->conv);
+ gst_element_sync_state_with_parent (self->conv);
+ distribute_running_time (self->conv, &self->segment);
+ prev = head = self->conv;
+ }
+
+ self->scale = gst_element_factory_make ("videoscale", "scale");
+ if (self->scale == NULL) {
+ post_missing_element_message (self, "videoscale");
+ GST_ELEMENT_WARNING (self, CORE, MISSING_PLUGIN,
+ (_("Missing element '%s' - check your GStreamer installation."),
+ "videoscale"), ("possibly a liboil version mismatch?"));
+ } else {
+ /* Add black borders if necessary to keep the DAR */
+ g_object_set (self->scale, "add-borders", TRUE, NULL);
+ gst_bin_add (bin, self->scale);
+ gst_element_sync_state_with_parent (self->scale);
+ distribute_running_time (self->scale, &self->segment);
+ if (prev) {
+ if (!gst_element_link_pads_full (prev, "src", self->scale, "sink",
+ GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
+ goto link_failed;
+ } else {
+ head = self->scale;
+ }
+ prev = self->scale;
+ }
+
+ if (head) {
+ pad = gst_element_get_static_pad (head, "sink");
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), pad);
+ gst_object_unref (pad);
+ }
+
+ if (prev) {
+ pad = gst_element_get_static_pad (prev, "src");
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), pad);
+ gst_object_unref (pad);
+ }
+
+ if (!head && !prev) {
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
+ self->sink_proxypad);
+ }
+
+ GST_DEBUG_OBJECT (self, "Raw conversion pipeline created");
+ } else {
+ GstBin *bin = GST_BIN_CAST (self);
+
+ GST_DEBUG_OBJECT (self, "Removing raw conversion pipeline");
+
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);
+
+ if (self->conv) {
+ gst_element_set_state (self->conv, GST_STATE_NULL);
+ gst_bin_remove (bin, self->conv);
+ self->conv = NULL;
+ }
+ if (self->scale) {
+ gst_element_set_state (self->scale, GST_STATE_NULL);
+ gst_bin_remove (bin, self->scale);
+ self->scale = NULL;
+ }
+
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
+ self->sink_proxypad);
+
+ GST_DEBUG_OBJECT (self, "Raw conversion pipeline removed");
+ }
+
+unblock:
+ gst_pad_set_blocked_async_full (self->sink_proxypad, FALSE,
+ (GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
+ (GDestroyNotify) gst_object_unref);
+
+done:
+ GST_PLAY_SINK_VIDEO_CONVERT_UNLOCK (self);
+ return;
+
+link_failed:
+ {
+ GST_ELEMENT_ERROR (self, CORE, PAD,
+ (NULL), ("Failed to configure the video converter."));
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
+ self->sink_proxypad);
+ gst_pad_set_blocked_async_full (self->sink_proxypad, FALSE,
+ (GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
+ (GDestroyNotify) gst_object_unref);
+ return;
+ }
+}
+
+static gboolean
+gst_play_sink_video_convert_sink_event (GstPad * pad, GstEvent * event)
+{
+ GstPlaySinkVideoConvert *self =
+ GST_PLAY_SINK_VIDEO_CONVERT (gst_pad_get_parent (pad));
+ gboolean ret;
+
+ ret = self->sink_event (pad, gst_event_ref (event));
+
+ if (GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT) {
+ gboolean update;
+ gdouble rate, applied_rate;
+ GstFormat format;
+ gint64 start, stop, position;
+
+ GST_PLAY_SINK_VIDEO_CONVERT_LOCK (self);
+ gst_event_parse_new_segment_full (event, &update, &rate, &applied_rate,
+ &format, &start, &stop, &position);
+
+ GST_DEBUG_OBJECT (self, "Segment before %" GST_SEGMENT_FORMAT,
+ &self->segment);
+ gst_segment_set_newsegment_full (&self->segment, update, rate, applied_rate,
+ format, start, stop, position);
+ GST_DEBUG_OBJECT (self, "Segment after %" GST_SEGMENT_FORMAT,
+ &self->segment);
+ GST_PLAY_SINK_VIDEO_CONVERT_UNLOCK (self);
+ } else if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_STOP) {
+ GST_PLAY_SINK_VIDEO_CONVERT_LOCK (self);
+ GST_DEBUG_OBJECT (self, "Resetting segment");
+ gst_segment_init (&self->segment, GST_FORMAT_UNDEFINED);
+ GST_PLAY_SINK_VIDEO_CONVERT_UNLOCK (self);
+ }
+
+ gst_event_unref (event);
+ gst_object_unref (self);
+
+ return ret;
+}
+
+static gboolean
+gst_play_sink_video_convert_sink_setcaps (GstPad * pad, GstCaps * caps)
+{
+ GstPlaySinkVideoConvert *self =
+ GST_PLAY_SINK_VIDEO_CONVERT (gst_pad_get_parent (pad));
+ gboolean ret;
+ GstStructure *s;
+ const gchar *name;
+ gboolean reconfigure = FALSE;
+
+ GST_PLAY_SINK_VIDEO_CONVERT_LOCK (self);
+ s = gst_caps_get_structure (caps, 0);
+ name = gst_structure_get_name (s);
+
+ if (g_str_has_prefix (name, "video/x-raw-")) {
+ if (!self->raw && !gst_pad_is_blocked (self->sink_proxypad)) {
+ GST_DEBUG_OBJECT (self, "Changing caps from non-raw to raw");
+ reconfigure = TRUE;
+ gst_pad_set_blocked_async_full (self->sink_proxypad, TRUE,
+ (GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
+ (GDestroyNotify) gst_object_unref);
+ }
+ } else {
+ if (self->raw && !gst_pad_is_blocked (self->sink_proxypad)) {
+ GST_DEBUG_OBJECT (self, "Changing caps from raw to non-raw");
+ reconfigure = TRUE;
+ gst_pad_set_blocked_async_full (self->sink_proxypad, TRUE,
+ (GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
+ (GDestroyNotify) gst_object_unref);
+ }
+ }
+
+ /* Otherwise the setcaps below fails */
+ if (reconfigure) {
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);
+ }
+ GST_PLAY_SINK_VIDEO_CONVERT_UNLOCK (self);
+
+ ret = self->sink_setcaps (pad, caps);
+
+ GST_DEBUG_OBJECT (self, "Setting sink caps %" GST_PTR_FORMAT ": %d", caps,
+ ret);
+
+ gst_object_unref (self);
+
+ return ret;
+}
+
+static GstCaps *
+gst_play_sink_video_convert_getcaps (GstPad * pad)
+{
+ GstPlaySinkVideoConvert *self =
+ GST_PLAY_SINK_VIDEO_CONVERT (gst_pad_get_parent (pad));
+ GstCaps *ret;
+ GstPad *otherpad, *peer;
+
+ GST_PLAY_SINK_VIDEO_CONVERT_LOCK (self);
+ if (pad == self->srcpad)
+ otherpad = gst_object_ref (self->sinkpad);
+ else
+ otherpad = gst_object_ref (self->srcpad);
+ GST_PLAY_SINK_VIDEO_CONVERT_UNLOCK (self);
+
+ peer = gst_pad_get_peer (otherpad);
+ if (peer) {
+ ret = gst_pad_get_caps_reffed (peer);
+ gst_object_unref (peer);
+ } else {
+ ret = gst_caps_new_any ();
+ }
+
+ gst_object_unref (otherpad);
+ gst_object_unref (self);
+
+ return ret;
+}
+
+static void
+gst_play_sink_video_convert_finalize (GObject * object)
+{
+ GstPlaySinkVideoConvert *self = GST_PLAY_SINK_VIDEO_CONVERT_CAST (object);
+
+ gst_object_unref (self->sink_proxypad);
+ g_mutex_free (self->lock);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static GstStateChangeReturn
+gst_play_sink_video_convert_change_state (GstElement * element,
+ GstStateChange transition)
+{
+ GstStateChangeReturn ret;
+ GstPlaySinkVideoConvert *self = GST_PLAY_SINK_VIDEO_CONVERT_CAST (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ GST_PLAY_SINK_VIDEO_CONVERT_LOCK (self);
+ if (gst_pad_is_blocked (self->sink_proxypad))
+ gst_pad_set_blocked_async_full (self->sink_proxypad, FALSE,
+ (GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
+ (GDestroyNotify) gst_object_unref);
+ GST_PLAY_SINK_VIDEO_CONVERT_UNLOCK (self);
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+ if (ret == GST_STATE_CHANGE_FAILURE)
+ return ret;
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ GST_PLAY_SINK_VIDEO_CONVERT_LOCK (self);
+ gst_segment_init (&self->segment, GST_FORMAT_UNDEFINED);
+ if (self->conv) {
+ gst_element_set_state (self->conv, GST_STATE_NULL);
+ gst_bin_remove (GST_BIN_CAST (self), self->conv);
+ self->conv = NULL;
+ }
+ if (self->scale) {
+ gst_element_set_state (self->scale, GST_STATE_NULL);
+ gst_bin_remove (GST_BIN_CAST (self), self->scale);
+ self->scale = NULL;
+ }
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
+ self->sink_proxypad);
+ self->raw = FALSE;
+ GST_PLAY_SINK_VIDEO_CONVERT_UNLOCK (self);
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ GST_PLAY_SINK_VIDEO_CONVERT_LOCK (self);
+ if (!gst_pad_is_blocked (self->sink_proxypad))
+ gst_pad_set_blocked_async_full (self->sink_proxypad, TRUE,
+ (GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
+ (GDestroyNotify) gst_object_unref);
+ GST_PLAY_SINK_VIDEO_CONVERT_UNLOCK (self);
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static void
+gst_play_sink_video_convert_class_init (GstPlaySinkVideoConvertClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ GST_DEBUG_CATEGORY_INIT (gst_play_sink_video_convert_debug,
+ "playsinkvideoconvert", 0, "play bin");
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ gobject_class->finalize = gst_play_sink_video_convert_finalize;
+
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&srctemplate));
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&sinktemplate));
+ gst_element_class_set_details_simple (gstelement_class,
+ "Player Sink Video Converter", "Video/Bin/Converter",
+ "Convenience bin for video conversion",
+ "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
+
+ gstelement_class->change_state =
+ GST_DEBUG_FUNCPTR (gst_play_sink_video_convert_change_state);
+}
+
+static void
+gst_play_sink_video_convert_init (GstPlaySinkVideoConvert * self)
+{
+ GstPadTemplate *templ;
+ GstIterator *it;
+
+ self->lock = g_mutex_new ();
+ gst_segment_init (&self->segment, GST_FORMAT_UNDEFINED);
+
+ templ = gst_static_pad_template_get (&sinktemplate);
+ self->sinkpad = gst_ghost_pad_new_no_target_from_template ("sink", templ);
+ self->sink_event = GST_PAD_EVENTFUNC (self->sinkpad);
+ gst_pad_set_event_function (self->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_play_sink_video_convert_sink_event));
+ self->sink_setcaps = GST_PAD_SETCAPSFUNC (self->sinkpad);
+ gst_pad_set_setcaps_function (self->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_play_sink_video_convert_sink_setcaps));
+ gst_pad_set_getcaps_function (self->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_play_sink_video_convert_getcaps));
+
+ it = gst_pad_iterate_internal_links (self->sinkpad);
+ g_assert (it);
+ gst_iterator_next (it, (gpointer *) & self->sink_proxypad);
+ g_assert (self->sink_proxypad);
+ gst_iterator_free (it);
+
+ gst_element_add_pad (GST_ELEMENT_CAST (self), self->sinkpad);
+ gst_object_unref (templ);
+
+ templ = gst_static_pad_template_get (&srctemplate);
+ self->srcpad = gst_ghost_pad_new_no_target_from_template ("src", templ);
+ gst_pad_set_getcaps_function (self->srcpad,
+ GST_DEBUG_FUNCPTR (gst_play_sink_video_convert_getcaps));
+ gst_element_add_pad (GST_ELEMENT_CAST (self), self->srcpad);
+ gst_object_unref (templ);
+
+ gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
+ self->sink_proxypad);
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2011> Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gst.h>
+
+#ifndef __GST_PLAY_SINK_VIDEO_CONVERT_H__
+#define __GST_PLAY_SINK_VIDEO_CONVERT_H__
+
+G_BEGIN_DECLS
+#define GST_TYPE_PLAY_SINK_VIDEO_CONVERT \
+ (gst_play_sink_video_convert_get_type())
+#define GST_PLAY_SINK_VIDEO_CONVERT(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLAY_SINK_VIDEO_CONVERT, GstPlaySinkVideoConvert))
+#define GST_PLAY_SINK_VIDEO_CONVERT_CAST(obj) \
+ ((GstPlaySinkVideoConvert *) obj)
+#define GST_PLAY_SINK_VIDEO_CONVERT_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLAY_SINK_VIDEO_CONVERT, GstPlaySinkVideoConvertClass))
+#define GST_IS_PLAY_SINK_VIDEO_CONVERT(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLAY_SINK_VIDEO_CONVERT))
+#define GST_IS_PLAY_SINK_VIDEO_CONVERT_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLAY_SINK_VIDEO_CONVERT))
+
+#define GST_PLAY_SINK_VIDEO_CONVERT_LOCK(obj) G_STMT_START { \
+ GST_LOG_OBJECT (obj, \
+ "locking from thread %p", \
+ g_thread_self ()); \
+ g_mutex_lock (GST_PLAY_SINK_VIDEO_CONVERT_CAST(obj)->lock); \
+ GST_LOG_OBJECT (obj, \
+ "locked from thread %p", \
+ g_thread_self ()); \
+} G_STMT_END
+
+#define GST_PLAY_SINK_VIDEO_CONVERT_UNLOCK(obj) G_STMT_START { \
+ GST_LOG_OBJECT (obj, \
+ "unlocking from thread %p", \
+ g_thread_self ()); \
+ g_mutex_unlock (GST_PLAY_SINK_VIDEO_CONVERT_CAST(obj)->lock); \
+} G_STMT_END
+
+typedef struct _GstPlaySinkVideoConvert GstPlaySinkVideoConvert;
+typedef struct _GstPlaySinkVideoConvertClass GstPlaySinkVideoConvertClass;
+
+struct _GstPlaySinkVideoConvert
+{
+ GstBin parent;
+
+ /* < private > */
+ GMutex *lock;
+
+ GstPad *sinkpad, *sink_proxypad;
+ GstPadEventFunction sink_event;
+ GstPadSetCapsFunction sink_setcaps;
+ gboolean sink_proxypad_blocked;
+ GstSegment segment;
+
+ GstPad *srcpad;
+
+ gboolean raw;
+ GstElement *conv, *scale;
+};
+
+struct _GstPlaySinkVideoConvertClass
+{
+ GstBinClass parent;
+};
+
+GType gst_play_sink_video_convert_get_type (void);
+
+G_END_DECLS
+#endif /* __GST_PLAY_SINK_VIDEO_CONVERT_H__ */
projects / platform / upstream / gstreamer.git / commitdiff