From d459b814f1f970fd5727e6a554cd9c264a6ce062 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= Date: Sun, 14 Jun 2009 19:21:34 +0200 Subject: freir0: Add support for frei0r mixer plugins --- gst/frei0r/Makefile.am | 5 +- gst/frei0r/gstfrei0r.c | 13 +- gst/frei0r/gstfrei0rfilter.c | 3 + gst/frei0r/gstfrei0rmixer.c | 779 +++++++++++++++++++++++++++++++++++++++++++ gst/frei0r/gstfrei0rmixer.h | 75 +++++ 5 files changed, 867 insertions(+), 8 deletions(-) create mode 100644 gst/frei0r/gstfrei0rmixer.c create mode 100644 gst/frei0r/gstfrei0rmixer.h (limited to 'gst/frei0r') diff --git a/gst/frei0r/Makefile.am b/gst/frei0r/Makefile.am index 495fd7de..400801d9 100644 --- a/gst/frei0r/Makefile.am +++ b/gst/frei0r/Makefile.am @@ -3,7 +3,8 @@ plugin_LTLIBRARIES = libgstfrei0r.la libgstfrei0r_la_SOURCES = \ gstfrei0r.c \ gstfrei0rfilter.c \ - gstfrei0rsrc.c + gstfrei0rsrc.c \ + gstfrei0rmixer.c libgstfrei0r_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) libgstfrei0r_la_LIBADD = $(GST_LIBS) $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) \ @@ -11,4 +12,4 @@ libgstfrei0r_la_LIBADD = $(GST_LIBS) $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) \ libgstfrei0r_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) libgstfrei0r_la_LIBTOOLFLAGS = --tag=disable-static -noinst_HEADERS = gstfrei0r.h gstfrei0rfilter.h gstfrei0rsrc.h frei0r.h +noinst_HEADERS = gstfrei0r.h gstfrei0rfilter.h gstfrei0rsrc.h gstfrei0rmixer.h frei0r.h diff --git a/gst/frei0r/gstfrei0r.c b/gst/frei0r/gstfrei0r.c index bcdd290d..28eeb11d 100644 --- a/gst/frei0r/gstfrei0r.c +++ b/gst/frei0r/gstfrei0r.c @@ -24,10 +24,11 @@ #include "gstfrei0r.h" #include "gstfrei0rfilter.h" #include "gstfrei0rsrc.h" +#include "gstfrei0rmixer.h" #include -GST_DEBUG_CATEGORY_STATIC (frei0r_debug); +GST_DEBUG_CATEGORY (frei0r_debug); #define GST_CAT_DEFAULT frei0r_debug GstCaps * @@ -455,8 +456,10 @@ register_plugin (GstPlugin * plugin, const gchar * filename) goto invalid_frei0r_plugin; /* One of these must exist */ - if (!g_module_symbol (module, "f0r_update", (gpointer *) & ftable.update) && - !g_module_symbol (module, "f0r_update2", (gpointer *) & ftable.update2)) + g_module_symbol (module, "f0r_update", (gpointer *) & ftable.update); + g_module_symbol (module, "f0r_update2", (gpointer *) & ftable.update2); + + if (!ftable.update && !ftable.update2) goto invalid_frei0r_plugin; ftable.get_plugin_info (&info); @@ -482,9 +485,7 @@ register_plugin (GstPlugin * plugin, const gchar * filename) break; case F0R_PLUGIN_TYPE_MIXER2: case F0R_PLUGIN_TYPE_MIXER3: - GST_WARNING - ("Source, Mixer2 and Mixer3 frei0r plugins not supported yet"); - g_module_close (module); + ret = gst_frei0r_mixer_register (plugin, &info, &ftable); break; default: break; diff --git a/gst/frei0r/gstfrei0rfilter.c b/gst/frei0r/gstfrei0rfilter.c index e3df24c9..df455120 100644 --- a/gst/frei0r/gstfrei0rfilter.c +++ b/gst/frei0r/gstfrei0rfilter.c @@ -26,6 +26,9 @@ #include "gstfrei0r.h" #include "gstfrei0rfilter.h" +GST_DEBUG_CATEGORY_EXTERN (frei0r_debug); +#define GST_CAT_DEFAULT frei0r_debug + typedef struct { f0r_plugin_info_t info; diff --git a/gst/frei0r/gstfrei0rmixer.c b/gst/frei0r/gstfrei0rmixer.c new file mode 100644 index 00000000..5e2f5e3c --- /dev/null +++ b/gst/frei0r/gstfrei0rmixer.c @@ -0,0 +1,779 @@ +/* GStreamer + * Copyright (C) 2009 Sebastian Dröge + * + * 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 + +#include "gstfrei0r.h" +#include "gstfrei0rmixer.h" + +GST_DEBUG_CATEGORY_EXTERN (frei0r_debug); +#define GST_CAT_DEFAULT frei0r_debug + +typedef struct +{ + f0r_plugin_info_t info; + GstFrei0rFuncTable ftable; +} GstFrei0rMixerClassData; + +static void +gst_frei0r_mixer_reset (GstFrei0rMixer * self) +{ + GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (self); + + if (self->f0r_instance) { + klass->ftable->destruct (self->f0r_instance); + self->f0r_instance = NULL; + } + + gst_caps_replace (&self->caps, NULL); + gst_event_replace (&self->newseg_event, NULL); +} + +static void +gst_frei0r_mixer_finalize (GObject * object) +{ + GstFrei0rMixer *self = GST_FREI0R_MIXER (object); + GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (object); + + if (self->property_cache) + gst_frei0r_property_cache_free (klass->properties, self->property_cache, + klass->n_properties); + self->property_cache = NULL; + + G_OBJECT_CLASS (g_type_class_peek_parent (klass))->finalize (object); +} + +static void +gst_frei0r_mixer_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstFrei0rMixer *self = GST_FREI0R_MIXER (object); + GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (object); + + if (!gst_frei0r_get_property (self->f0r_instance, klass->ftable, + klass->properties, klass->n_properties, self->property_cache, prop_id, + value)) + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); +} + +static void +gst_frei0r_mixer_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstFrei0rMixer *self = GST_FREI0R_MIXER (object); + GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (object); + + if (!gst_frei0r_set_property (self->f0r_instance, klass->ftable, + klass->properties, klass->n_properties, self->property_cache, prop_id, + value)) + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); +} + +static GstStateChangeReturn +gst_frei0r_mixer_change_state (GstElement * element, GstStateChange transition) +{ + GstFrei0rMixer *self = GST_FREI0R_MIXER (element); + GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (self); + GstStateChangeReturn ret; + + switch (transition) { + case GST_STATE_CHANGE_NULL_TO_READY: + break; + case GST_STATE_CHANGE_READY_TO_PAUSED: + gst_collect_pads_start (self->collect); + break; + case GST_STATE_CHANGE_PAUSED_TO_PLAYING: + break; + default: + break; + } + + /* Stop before calling the parent's state change function as + * GstCollectPads might take locks and we would deadlock in that + * case + */ + if (transition == GST_STATE_CHANGE_PAUSED_TO_READY) + gst_collect_pads_stop (self->collect); + + ret = + GST_ELEMENT_CLASS (g_type_class_peek_parent (klass))->change_state + (element, transition); + + switch (transition) { + case GST_STATE_CHANGE_PLAYING_TO_PAUSED: + break; + case GST_STATE_CHANGE_PAUSED_TO_READY: + gst_frei0r_mixer_reset (self); + break; + case GST_STATE_CHANGE_READY_TO_NULL: + break; + default: + break; + } + + return ret; +} + +static GstCaps * +gst_frei0r_mixer_get_caps (GstPad * pad) +{ + GstFrei0rMixer *self = GST_FREI0R_MIXER (gst_pad_get_parent (pad)); + GstCaps *caps = NULL; + + if (self->caps) { + caps = gst_caps_ref (self->caps); + } else { + GstCaps *tmp, *tmp1; + + tmp = gst_caps_copy (gst_pad_get_pad_template_caps (self->src)); + tmp1 = gst_pad_peer_get_caps (pad); + if (tmp1) { + caps = gst_caps_intersect (tmp, tmp1); + gst_caps_unref (tmp1); + gst_caps_unref (tmp); + } else { + caps = tmp; + } + + tmp = caps; + tmp1 = gst_pad_peer_get_caps (self->sink0); + if (tmp1) { + caps = gst_caps_intersect (tmp, tmp1); + gst_caps_unref (tmp); + gst_caps_unref (tmp1); + } + + tmp = caps; + tmp1 = gst_pad_peer_get_caps (self->sink1); + if (tmp1) { + caps = gst_caps_intersect (tmp, tmp1); + gst_caps_unref (tmp); + gst_caps_unref (tmp1); + } + + if (self->sink2) { + tmp = caps; + tmp1 = gst_pad_peer_get_caps (self->sink2); + if (tmp1) { + caps = gst_caps_intersect (tmp, tmp1); + gst_caps_unref (tmp); + gst_caps_unref (tmp1); + } + } + } + + gst_object_unref (self); + + return caps; +} + +static gboolean +gst_frei0r_mixer_set_caps (GstPad * pad, GstCaps * caps) +{ + GstFrei0rMixer *self = GST_FREI0R_MIXER (gst_pad_get_parent (pad)); + GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (self); + gboolean ret = TRUE; + + gst_caps_replace (&self->caps, caps); + + if (pad != self->src) + ret &= gst_pad_set_caps (self->src, caps); + if (pad != self->sink0) + ret &= gst_pad_set_caps (self->sink0, caps); + if (pad != self->sink1) + ret &= gst_pad_set_caps (self->sink1, caps); + if (pad != self->sink2 && self->sink2) + ret &= gst_pad_set_caps (self->sink2, caps); + + if (ret) { + if (!gst_video_format_parse_caps (caps, &self->fmt, &self->width, + &self->height)) { + ret = FALSE; + goto out; + } + + if (self->f0r_instance) { + klass->ftable->destruct (self->f0r_instance); + self->f0r_instance = NULL; + } + + self->f0r_instance = + gst_frei0r_instance_construct (klass->ftable, klass->properties, + klass->n_properties, self->property_cache, self->width, self->height); + + } +out: + + gst_object_unref (self); + + return ret; +} + +static gboolean +gst_frei0r_mixer_src_query_duration (GstFrei0rMixer * self, GstQuery * query) +{ + gint64 min; + gboolean res; + GstFormat format; + GstIterator *it; + gboolean done; + + /* parse format */ + gst_query_parse_duration (query, &format, NULL); + + min = -1; + res = TRUE; + done = FALSE; + + /* Take minimum of all durations */ + it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (self)); + while (!done) { + GstIteratorResult ires; + gpointer item; + + ires = gst_iterator_next (it, &item); + switch (ires) { + case GST_ITERATOR_DONE: + done = TRUE; + break; + case GST_ITERATOR_OK: + { + GstPad *pad = GST_PAD_CAST (item); + gint64 duration; + + /* ask sink peer for duration */ + res &= gst_pad_query_peer_duration (pad, &format, &duration); + /* take min from all valid return values */ + if (res) { + /* valid unknown length, stop searching */ + if (duration == -1) { + min = duration; + done = TRUE; + } + /* else see if smaller than current min */ + else if (duration < min) + min = duration; + } + gst_object_unref (pad); + break; + } + case GST_ITERATOR_RESYNC: + min = -1; + res = TRUE; + gst_iterator_resync (it); + break; + default: + res = FALSE; + done = TRUE; + break; + } + } + gst_iterator_free (it); + + if (res) { + /* and store the min */ + GST_DEBUG_OBJECT (self, "Total duration in format %s: %" + GST_TIME_FORMAT, gst_format_get_name (format), GST_TIME_ARGS (min)); + gst_query_set_duration (query, format, min); + } + + return res; +} + +static gboolean +gst_frei0r_mixer_src_query_latency (GstFrei0rMixer * self, GstQuery * query) +{ + GstClockTime min, max; + gboolean live; + gboolean res; + GstIterator *it; + gboolean done; + + res = TRUE; + done = FALSE; + + live = FALSE; + min = 0; + max = GST_CLOCK_TIME_NONE; + + /* Take maximum of all latency values */ + it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (self)); + while (!done) { + GstIteratorResult ires; + gpointer item; + + ires = gst_iterator_next (it, &item); + switch (ires) { + case GST_ITERATOR_DONE: + done = TRUE; + break; + case GST_ITERATOR_OK: + { + GstPad *pad = GST_PAD_CAST (item); + GstQuery *peerquery; + GstClockTime min_cur, max_cur; + gboolean live_cur; + + peerquery = gst_query_new_latency (); + + /* Ask peer for latency */ + res &= gst_pad_peer_query (pad, peerquery); + + /* take max from all valid return values */ + if (res) { + gst_query_parse_latency (peerquery, &live_cur, &min_cur, &max_cur); + + if (min_cur > min) + min = min_cur; + + if (max_cur != GST_CLOCK_TIME_NONE && + ((max != GST_CLOCK_TIME_NONE && max_cur > max) || + (max == GST_CLOCK_TIME_NONE))) + max = max_cur; + + live = live || live_cur; + } + + gst_query_unref (peerquery); + gst_object_unref (pad); + break; + } + case GST_ITERATOR_RESYNC: + live = FALSE; + min = 0; + max = GST_CLOCK_TIME_NONE; + res = TRUE; + gst_iterator_resync (it); + break; + default: + res = FALSE; + done = TRUE; + break; + } + } + gst_iterator_free (it); + + if (res) { + /* store the results */ + GST_DEBUG_OBJECT (self, "Calculated total latency: live %s, min %" + GST_TIME_FORMAT ", max %" GST_TIME_FORMAT, + (live ? "yes" : "no"), GST_TIME_ARGS (min), GST_TIME_ARGS (max)); + gst_query_set_latency (query, live, min, max); + } + + return res; +} + +static gboolean +gst_frei0r_mixer_src_query (GstPad * pad, GstQuery * query) +{ + GstFrei0rMixer *self = GST_FREI0R_MIXER (gst_pad_get_parent (pad)); + gboolean ret = FALSE; + + switch (GST_QUERY_TYPE (query)) { + case GST_QUERY_POSITION: + ret = gst_pad_query (self->sink0, query); + break; + case GST_QUERY_DURATION: + ret = gst_frei0r_mixer_src_query_duration (self, query); + break; + case GST_QUERY_LATENCY: + ret = gst_frei0r_mixer_src_query_latency (self, query); + break; + default: + ret = gst_pad_query_default (pad, query); + break; + } + + gst_object_unref (self); + + return ret; +} + +static gboolean +gst_frei0r_mixer_sink_query (GstPad * pad, GstQuery * query) +{ + GstFrei0rMixer *self = GST_FREI0R_MIXER (gst_pad_get_parent (pad)); + gboolean ret = gst_pad_query (self->src, query); + + gst_object_unref (self); + + return ret; +} + +static gboolean +forward_event_func (GstPad * pad, GValue * ret, GstEvent * event) +{ + gst_event_ref (event); + GST_LOG_OBJECT (pad, "About to send event %s", GST_EVENT_TYPE_NAME (event)); + if (!gst_pad_push_event (pad, event)) { + g_value_set_boolean (ret, FALSE); + GST_WARNING_OBJECT (pad, "Sending event %p (%s) failed.", + event, GST_EVENT_TYPE_NAME (event)); + } else { + GST_LOG_OBJECT (pad, "Sent event %p (%s).", + event, GST_EVENT_TYPE_NAME (event)); + } + gst_object_unref (pad); + return TRUE; +} + +static gboolean +forward_event (GstFrei0rMixer * self, GstEvent * event) +{ + GstIterator *it; + GValue vret = { 0 }; + + GST_LOG_OBJECT (self, "Forwarding event %p (%s)", event, + GST_EVENT_TYPE_NAME (event)); + + g_value_init (&vret, G_TYPE_BOOLEAN); + g_value_set_boolean (&vret, TRUE); + it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (self)); + gst_iterator_fold (it, (GstIteratorFoldFunction) forward_event_func, &vret, + event); + gst_iterator_free (it); + gst_event_unref (event); + + return g_value_get_boolean (&vret); +} + +static gboolean +gst_frei0r_mixer_src_event (GstPad * pad, GstEvent * event) +{ + GstFrei0rMixer *self = GST_FREI0R_MIXER (gst_pad_get_parent (pad)); + gboolean ret = FALSE; + + switch (GST_EVENT_TYPE (event)) { + case GST_EVENT_QOS: + /* QoS might be tricky */ + ret = FALSE; + break; + case GST_EVENT_SEEK: + { + GstSeekFlags flags; + + /* parse the seek parameters */ + gst_event_parse_seek (event, NULL, NULL, &flags, NULL, NULL, NULL, NULL); + + /* check if we are flushing */ + if (flags & GST_SEEK_FLAG_FLUSH) { + /* make sure we accept nothing anymore and return WRONG_STATE */ + gst_collect_pads_set_flushing (self->collect, TRUE); + + /* flushing seek, start flush downstream, the flush will be done + * when all pads received a FLUSH_STOP. */ + gst_pad_push_event (self->src, gst_event_new_flush_start ()); + } + + ret = forward_event (self, event); + break; + } + case GST_EVENT_NAVIGATION: + /* navigation is rather pointless. */ + ret = FALSE; + break; + default: + /* just forward the rest for now */ + ret = forward_event (self, event); + break; + } + + gst_object_unref (self); + + return ret; +} + +static gboolean +gst_frei0r_mixer_sink0_event (GstPad * pad, GstEvent * event) +{ + GstFrei0rMixer *self = GST_FREI0R_MIXER (gst_pad_get_parent (pad)); + gboolean ret = FALSE; + + GST_DEBUG ("Got %s event on pad %s:%s", GST_EVENT_TYPE_NAME (event), + GST_DEBUG_PAD_NAME (pad)); + + switch (GST_EVENT_TYPE (event)) { + case GST_EVENT_NEWSEGMENT: + gst_event_replace (&self->newseg_event, event); + break; + default: + break; + } + + /* now GstCollectPads can take care of the rest, e.g. EOS */ + ret = self->collect_event (pad, event); + + gst_object_unref (self); + + return ret; +} + +static GstFlowReturn +gst_frei0r_mixer_collected (GstCollectPads * pads, GstFrei0rMixer * self) +{ + GstBuffer *inbuf0 = NULL, *inbuf1 = NULL, *inbuf2 = NULL; + GstBuffer *outbuf = NULL; + GstFlowReturn ret = GST_FLOW_OK; + GSList *l; + GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (self); + gdouble time; + + if (G_UNLIKELY (!self->f0r_instance)) + return GST_FLOW_NOT_NEGOTIATED; + + if (self->newseg_event) { + gst_pad_push_event (self->src, self->newseg_event); + self->newseg_event = NULL; + } + + if ((ret = + gst_pad_alloc_buffer_and_set_caps (self->src, GST_BUFFER_OFFSET_NONE, + gst_video_format_get_size (self->fmt, self->width, self->height), + GST_PAD_CAPS (self->src), &outbuf)) != GST_FLOW_OK) + return ret; + + for (l = pads->data; l; l = l->next) { + GstCollectData *cdata = l->data; + + if (cdata->pad == self->sink0) + inbuf0 = gst_collect_pads_pop (pads, cdata); + else if (cdata->pad == self->sink1) + inbuf1 = gst_collect_pads_pop (pads, cdata); + else if (cdata->pad == self->sink2) + inbuf2 = gst_collect_pads_pop (pads, cdata); + } + + if (!inbuf0 || !inbuf1 || (!inbuf2 && self->sink2)) + goto eos; + + gst_buffer_copy_metadata (outbuf, inbuf0, + GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS); + time = ((gdouble) GST_BUFFER_TIMESTAMP (outbuf)) / GST_SECOND; + + klass->ftable->update2 (self->f0r_instance, time, + (const guint32 *) GST_BUFFER_DATA (inbuf0), + (const guint32 *) GST_BUFFER_DATA (inbuf1), + (inbuf2) ? (const guint32 *) GST_BUFFER_DATA (inbuf2) : NULL, + (guint32 *) GST_BUFFER_DATA (outbuf)); + + gst_buffer_unref (inbuf0); + gst_buffer_unref (inbuf1); + if (inbuf2) + gst_buffer_unref (inbuf2); + + ret = gst_pad_push (self->src, outbuf); + + return ret; + +eos: + { + GST_DEBUG_OBJECT (self, "no data available, must be EOS"); + gst_buffer_unref (outbuf); + + if (inbuf0) + gst_buffer_unref (inbuf0); + if (inbuf1) + gst_buffer_unref (inbuf1); + if (inbuf2) + gst_buffer_unref (inbuf2); + + gst_pad_push_event (self->src, gst_event_new_eos ()); + return GST_FLOW_UNEXPECTED; + } +} + +static void +gst_frei0r_mixer_class_init (GstFrei0rMixerClass * klass, + GstFrei0rMixerClassData * class_data) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstPadTemplate *templ; + GstCaps *caps; + gchar *author; + + klass->ftable = &class_data->ftable; + klass->info = &class_data->info; + + gobject_class->finalize = gst_frei0r_mixer_finalize; + gobject_class->set_property = gst_frei0r_mixer_set_property; + gobject_class->get_property = gst_frei0r_mixer_get_property; + + klass->n_properties = klass->info->num_params; + klass->properties = g_new0 (GstFrei0rProperty, klass->n_properties); + + gst_frei0r_klass_install_properties (gobject_class, klass->ftable, + klass->properties, klass->n_properties); + + author = + g_strdup_printf + ("Sebastian Dröge , %s", + class_data->info.author); + gst_element_class_set_details_simple (gstelement_class, class_data->info.name, + "Filter/Editor/Video", class_data->info.explanation, author); + g_free (author); + + caps = gst_frei0r_caps_from_color_model (class_data->info.color_model); + + templ = + gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, + gst_caps_ref (caps)); + gst_element_class_add_pad_template (gstelement_class, templ); + + templ = + gst_pad_template_new ("sink_0", GST_PAD_SINK, GST_PAD_ALWAYS, + gst_caps_ref (caps)); + gst_element_class_add_pad_template (gstelement_class, templ); + + templ = + gst_pad_template_new ("sink_1", GST_PAD_SINK, GST_PAD_ALWAYS, + gst_caps_ref (caps)); + gst_element_class_add_pad_template (gstelement_class, templ); + + if (klass->info->plugin_type == F0R_PLUGIN_TYPE_MIXER3) { + templ = + gst_pad_template_new ("sink_2", GST_PAD_SINK, GST_PAD_ALWAYS, + gst_caps_ref (caps)); + gst_element_class_add_pad_template (gstelement_class, templ); + } + gst_caps_unref (caps); + + gstelement_class->change_state = + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_change_state); +} + +static void +gst_frei0r_mixer_init (GstFrei0rMixer * self, GstFrei0rMixerClass * klass) +{ + self->property_cache = + gst_frei0r_property_cache_init (klass->properties, klass->n_properties); + + self->collect = gst_collect_pads_new (); + gst_collect_pads_set_function (self->collect, + (GstCollectPadsFunction) gst_frei0r_mixer_collected, self); + + self->src = + gst_pad_new_from_template (gst_element_class_get_pad_template + (GST_ELEMENT_CLASS (klass), "src"), "src"); + gst_pad_set_getcaps_function (self->src, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_get_caps)); + gst_pad_set_setcaps_function (self->src, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_set_caps)); + gst_pad_set_query_function (self->src, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_src_query)); + gst_pad_set_event_function (self->src, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_src_event)); + gst_element_add_pad (GST_ELEMENT_CAST (self), self->src); + + self->sink0 = + gst_pad_new_from_template (gst_element_class_get_pad_template + (GST_ELEMENT_CLASS (klass), "sink_0"), "sink_0"); + gst_pad_set_getcaps_function (self->sink0, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_get_caps)); + gst_pad_set_setcaps_function (self->sink0, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_set_caps)); + gst_pad_set_query_function (self->sink0, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_sink_query)); + gst_collect_pads_add_pad (self->collect, self->sink0, + sizeof (GstCollectData)); + self->collect_event = (GstPadEventFunction) GST_PAD_EVENTFUNC (self->sink0); + gst_pad_set_event_function (self->sink0, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_sink0_event)); + gst_element_add_pad (GST_ELEMENT_CAST (self), self->sink0); + + self->sink1 = + gst_pad_new_from_template (gst_element_class_get_pad_template + (GST_ELEMENT_CLASS (klass), "sink_1"), "sink_1"); + gst_pad_set_getcaps_function (self->sink1, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_get_caps)); + gst_pad_set_setcaps_function (self->sink1, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_set_caps)); + gst_pad_set_query_function (self->sink0, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_sink_query)); + gst_collect_pads_add_pad (self->collect, self->sink1, + sizeof (GstCollectData)); + gst_element_add_pad (GST_ELEMENT_CAST (self), self->sink1); + + if (klass->info->plugin_type == F0R_PLUGIN_TYPE_MIXER3) { + self->sink2 = + gst_pad_new_from_template (gst_element_class_get_pad_template + (GST_ELEMENT_CLASS (klass), "sink_2"), "sink_2"); + gst_pad_set_getcaps_function (self->sink2, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_get_caps)); + gst_pad_set_setcaps_function (self->sink2, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_set_caps)); + gst_pad_set_query_function (self->sink0, + GST_DEBUG_FUNCPTR (gst_frei0r_mixer_sink_query)); + gst_collect_pads_add_pad (self->collect, self->sink2, + sizeof (GstCollectData)); + gst_element_add_pad (GST_ELEMENT_CAST (self), self->sink2); + } + +} + +gboolean +gst_frei0r_mixer_register (GstPlugin * plugin, const f0r_plugin_info_t * info, + const GstFrei0rFuncTable * ftable) +{ + GTypeInfo typeinfo = { + sizeof (GstFrei0rMixerClass), + NULL, + NULL, + (GClassInitFunc) gst_frei0r_mixer_class_init, + NULL, + NULL, + sizeof (GstFrei0rMixer), + 0, + (GInstanceInitFunc) gst_frei0r_mixer_init + }; + GType type; + gchar *type_name, *tmp; + GstFrei0rMixerClassData *class_data; + + if (ftable->update2 == NULL) + return FALSE; + + tmp = g_strdup_printf ("frei0r-mixer-%s", info->name); + type_name = g_ascii_strdown (tmp, -1); + g_free (tmp); + g_strcanon (type_name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-+", '-'); + + if (g_type_from_name (type_name)) { + GST_WARNING ("Type '%s' already exists", type_name); + return FALSE; + } + + if (!ftable->init ()) { + GST_ERROR ("Initializing plugin failed"); + return FALSE; + } + + class_data = g_new0 (GstFrei0rMixerClassData, 1); + memcpy (&class_data->info, info, sizeof (f0r_plugin_info_t)); + memcpy (&class_data->ftable, ftable, sizeof (GstFrei0rFuncTable)); + typeinfo.class_data = class_data; + + type = g_type_register_static (GST_TYPE_ELEMENT, type_name, &typeinfo, 0); + return (gst_element_register (plugin, type_name, GST_RANK_NONE, type)); +} diff --git a/gst/frei0r/gstfrei0rmixer.h b/gst/frei0r/gstfrei0rmixer.h new file mode 100644 index 00000000..548b70ec --- /dev/null +++ b/gst/frei0r/gstfrei0rmixer.h @@ -0,0 +1,75 @@ +/* GStreamer + * Copyright (C) 2009 Sebastian Dröge + * + * 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. + */ + +#ifndef __GST_FREI0R_MIXER_H__ +#define __GST_FREI0R_MIXER_H__ + +#include +#include +#include + +#include "frei0r.h" +#include "gstfrei0r.h" + +G_BEGIN_DECLS + +#define GST_FREI0R_MIXER(obj) \ + ((GstFrei0rMixer *) obj) +#define GST_FREI0R_MIXER_CLASS(klass) \ + ((GstFrei0rMixerClass *) klass) +#define GST_FREI0R_MIXER_GET_CLASS(obj) \ + ((GstFrei0rMixerClass *) g_type_class_peek (G_TYPE_FROM_INSTANCE (obj))) + +typedef struct _GstFrei0rMixer GstFrei0rMixer; +typedef struct _GstFrei0rMixerClass GstFrei0rMixerClass; + +struct _GstFrei0rMixer { + GstElement parent; + + GstCollectPads *collect; + GstPad *src; + GstPad *sink0, *sink1, *sink2; + + GstCaps *caps; + GstVideoFormat fmt; + gint width, height; + + GstEvent *newseg_event; + + GstPadEventFunction collect_event; + + f0r_instance_t *f0r_instance; + GstFrei0rPropertyValue *property_cache; +}; + +struct _GstFrei0rMixerClass { + GstElementClass parent; + + f0r_plugin_info_t *info; + GstFrei0rFuncTable *ftable; + + GstFrei0rProperty *properties; + gint n_properties; +}; + +gboolean gst_frei0r_mixer_register (GstPlugin *plugin, const f0r_plugin_info_t *info, const GstFrei0rFuncTable *ftable); + +G_END_DECLS + +#endif /* __GST_FREI0R_MIXER_H__ */ -- cgit v1.2.1