mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 12:11:13 +00:00
imagefreeze: port to 0.11
This commit is contained in:
parent
7f3a00decd
commit
98c681fe5b
3 changed files with 121 additions and 195 deletions
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@ -312,7 +312,7 @@ dnl *** plug-ins to include ***
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dnl Non ported plugins (non-dependant, then dependant)
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dnl Make sure you have a space before and after all plugins
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GST_PLUGINS_NONPORTED="deinterlace interleave flx \
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imagefreeze smpte \
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smpte \
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videobox \
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cairo cairo_gobject dv1394 \
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oss oss4 \
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@ -53,37 +53,47 @@ static GstStateChangeReturn gst_image_freeze_change_state (GstElement * element,
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GstStateChange transition);
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static GstFlowReturn gst_image_freeze_sink_chain (GstPad * pad,
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GstBuffer * buffer);
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static gboolean gst_image_freeze_sink_event (GstPad * pad, GstEvent * event);
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static gboolean gst_image_freeze_sink_setcaps (GstPad * pad, GstCaps * caps);
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static GstCaps *gst_image_freeze_sink_getcaps (GstPad * pad);
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static gboolean gst_image_freeze_sink_query (GstPad * pad, GstQuery * query);
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static GstFlowReturn gst_image_freeze_sink_bufferalloc (GstPad * pad,
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guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf);
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GstObject * parent, GstBuffer * buffer);
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static gboolean gst_image_freeze_sink_event (GstPad * pad, GstObject * parent,
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GstEvent * event);
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static gboolean gst_image_freeze_sink_setcaps (GstImageFreeze * self,
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GstCaps * caps);
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static GstCaps *gst_image_freeze_sink_getcaps (GstImageFreeze * self,
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GstCaps * filter);
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static gboolean gst_image_freeze_sink_query (GstPad * pad, GstObject * parent,
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GstQuery * query);
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static void gst_image_freeze_src_loop (GstPad * pad);
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static gboolean gst_image_freeze_src_event (GstPad * pad, GstEvent * event);
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static gboolean gst_image_freeze_src_query (GstPad * pad, GstQuery * query);
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static const GstQueryType *gst_image_freeze_src_query_type (GstPad * pad);
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static gboolean gst_image_freeze_src_event (GstPad * pad, GstObject * parent,
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GstEvent * event);
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static gboolean gst_image_freeze_src_query (GstPad * pad, GstObject * parent,
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GstQuery * query);
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static GstStaticPadTemplate sink_pad_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw-yuv; video/x-raw-rgb; video/x-raw-gray"));
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GST_STATIC_CAPS ("video/x-raw"));
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static GstStaticPadTemplate src_pad_template =
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GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw-yuv; video/x-raw-rgb; video/x-raw-gray"));
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GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw"));
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GST_DEBUG_CATEGORY_STATIC (gst_image_freeze_debug);
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#define GST_CAT_DEFAULT gst_image_freeze_debug
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GST_BOILERPLATE (GstImageFreeze, gst_image_freeze, GstElement,
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GST_TYPE_ELEMENT);
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#define gst_image_freeze_parent_class parent_class
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G_DEFINE_TYPE (GstImageFreeze, gst_image_freeze, GST_TYPE_ELEMENT);
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static void
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gst_image_freeze_base_init (gpointer g_class)
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gst_image_freeze_class_init (GstImageFreezeClass * klass)
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{
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GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
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gobject_class->finalize = gst_image_freeze_finalize;
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_image_freeze_change_state);
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gst_element_class_set_details_simple (gstelement_class,
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"Still frame stream generator",
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@ -98,19 +108,7 @@ gst_image_freeze_base_init (gpointer g_class)
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}
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static void
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gst_image_freeze_class_init (GstImageFreezeClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
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gobject_class->finalize = gst_image_freeze_finalize;
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_image_freeze_change_state);
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}
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static void
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gst_image_freeze_init (GstImageFreeze * self, GstImageFreezeClass * g_class)
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gst_image_freeze_init (GstImageFreeze * self)
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{
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self->sinkpad = gst_pad_new_from_static_template (&sink_pad_template, "sink");
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gst_pad_set_chain_function (self->sinkpad,
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@ -119,12 +117,7 @@ gst_image_freeze_init (GstImageFreeze * self, GstImageFreezeClass * g_class)
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GST_DEBUG_FUNCPTR (gst_image_freeze_sink_event));
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gst_pad_set_query_function (self->sinkpad,
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GST_DEBUG_FUNCPTR (gst_image_freeze_sink_query));
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gst_pad_set_setcaps_function (self->sinkpad,
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GST_DEBUG_FUNCPTR (gst_image_freeze_sink_setcaps));
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gst_pad_set_getcaps_function (self->sinkpad,
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GST_DEBUG_FUNCPTR (gst_image_freeze_sink_getcaps));
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gst_pad_set_bufferalloc_function (self->sinkpad,
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GST_DEBUG_FUNCPTR (gst_image_freeze_sink_bufferalloc));
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GST_PAD_SET_PROXY_ALLOCATION (self->sinkpad);
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gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
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self->srcpad = gst_pad_new_from_static_template (&src_pad_template, "src");
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@ -132,12 +125,10 @@ gst_image_freeze_init (GstImageFreeze * self, GstImageFreezeClass * g_class)
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GST_DEBUG_FUNCPTR (gst_image_freeze_src_event));
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gst_pad_set_query_function (self->srcpad,
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GST_DEBUG_FUNCPTR (gst_image_freeze_src_query));
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gst_pad_set_query_type_function (self->srcpad,
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GST_DEBUG_FUNCPTR (gst_image_freeze_src_query_type));
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gst_pad_use_fixed_caps (self->srcpad);
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gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
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self->lock = g_mutex_new ();
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g_mutex_init (&self->lock);
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gst_image_freeze_reset (self);
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}
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@ -149,9 +140,7 @@ gst_image_freeze_finalize (GObject * object)
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gst_image_freeze_reset (self);
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if (self->lock)
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g_mutex_free (self->lock);
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self->lock = NULL;
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g_mutex_clear (&self->lock);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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@ -161,30 +150,30 @@ gst_image_freeze_reset (GstImageFreeze * self)
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{
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GST_DEBUG_OBJECT (self, "Resetting internal state");
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g_mutex_lock (self->lock);
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g_mutex_lock (&self->lock);
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gst_buffer_replace (&self->buffer, NULL);
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gst_segment_init (&self->segment, GST_FORMAT_TIME);
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self->need_segment = TRUE;
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gst_event_replace (&self->close_segment, NULL);
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self->fps_n = self->fps_d = 0;
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self->offset = 0;
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g_mutex_unlock (self->lock);
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g_mutex_unlock (&self->lock);
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g_atomic_int_set (&self->seeking, 0);
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}
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static gboolean
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gst_image_freeze_sink_setcaps (GstPad * pad, GstCaps * caps)
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gst_image_freeze_sink_setcaps (GstImageFreeze * self, GstCaps * caps)
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{
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GstImageFreeze *self = GST_IMAGE_FREEZE (gst_pad_get_parent (pad));
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gboolean ret = FALSE;
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GstStructure *s;
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gint fps_n, fps_d;
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GstCaps *othercaps, *intersection;
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guint i, n;
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GstPad *pad;
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pad = self->sinkpad;
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caps = gst_caps_make_writable (gst_caps_ref (caps));
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GST_DEBUG_OBJECT (pad, "Setting caps: %" GST_PTR_FORMAT, caps);
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intersection = othercaps = NULL;
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/* 3. Intersect with downstream peer caps */
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othercaps = gst_pad_peer_get_caps (self->srcpad);
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othercaps = gst_pad_peer_query_caps (self->srcpad, NULL);
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if (othercaps) {
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intersection = gst_caps_intersect (caps, othercaps);
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GST_DEBUG_OBJECT (pad, "Intersecting: %" GST_PTR_FORMAT, caps);
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@ -227,15 +216,15 @@ gst_image_freeze_sink_setcaps (GstPad * pad, GstCaps * caps)
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GstStructure *s = gst_structure_copy (gst_caps_get_structure (caps, i));
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gst_caps_append_structure (candidate, s);
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if (gst_pad_peer_accept_caps (self->srcpad, candidate)) {
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if (gst_pad_peer_query_accept_caps (self->srcpad, candidate)) {
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if (gst_structure_has_field_typed (s, "framerate", GST_TYPE_FRACTION) ||
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gst_structure_fixate_field_nearest_fraction (s, "framerate", 25, 1)) {
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gst_structure_get_fraction (s, "framerate", &fps_n, &fps_d);
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if (fps_d != 0) {
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g_mutex_lock (self->lock);
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g_mutex_lock (&self->lock);
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self->fps_n = fps_n;
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self->fps_d = fps_d;
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g_mutex_unlock (self->lock);
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g_mutex_unlock (&self->lock);
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GST_DEBUG_OBJECT (pad, "Setting caps %" GST_PTR_FORMAT, candidate);
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gst_pad_set_caps (self->srcpad, candidate);
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gst_caps_unref (candidate);
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GST_ERROR_OBJECT (pad, "No usable caps found");
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gst_caps_unref (caps);
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gst_object_unref (self);
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return ret;
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}
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static GstCaps *
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gst_image_freeze_sink_getcaps (GstPad * pad)
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gst_image_freeze_sink_getcaps (GstImageFreeze * self, GstCaps * filter)
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{
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GstImageFreeze *self = GST_IMAGE_FREEZE (gst_pad_get_parent (pad));
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GstCaps *ret, *tmp;
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guint i, n;
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GstPad *pad;
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if (GST_PAD_CAPS (pad)) {
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ret = gst_caps_copy (GST_PAD_CAPS (pad));
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pad = self->sinkpad;
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if (gst_pad_has_current_caps (pad)) {
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ret = gst_pad_get_current_caps (pad);
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gst_caps_replace (&ret, gst_caps_copy (ret));
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gst_caps_unref (ret);
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goto done;
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}
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tmp = gst_pad_peer_get_caps (self->srcpad);
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tmp = gst_pad_peer_query_caps (self->srcpad, filter);
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if (tmp) {
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ret = gst_caps_intersect (tmp, gst_pad_get_pad_template_caps (pad));
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gst_caps_unref (tmp);
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}
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done:
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gst_object_unref (self);
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GST_LOG_OBJECT (pad, "Returning caps: %" GST_PTR_FORMAT, ret);
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return ret;
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}
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static gboolean
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gst_image_freeze_sink_query (GstPad * pad, GstQuery * query)
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gst_image_freeze_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
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{
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GstImageFreeze *self = GST_IMAGE_FREEZE (gst_pad_get_parent (pad));
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GstImageFreeze *self = GST_IMAGE_FREEZE (parent);
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gboolean ret;
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GstPad *peer = gst_pad_get_peer (self->srcpad);
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GST_INFO_OBJECT (pad, "No peer yet, dropping query");
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ret = FALSE;
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} else {
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ret = gst_pad_query (peer, query);
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switch (GST_QUERY_TYPE (query)) {
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case GST_QUERY_CAPS:
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{
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GstCaps *caps;
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gst_query_parse_caps (query, &caps);
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caps = gst_image_freeze_sink_getcaps (self, caps);
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gst_query_set_caps_result (query, caps);
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gst_caps_unref (caps);
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ret = TRUE;
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break;
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}
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default:
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ret = gst_pad_query_default (peer, parent, query);
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}
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gst_object_unref (peer);
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}
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gst_object_unref (self);
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return ret;
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}
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static GstFlowReturn
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gst_image_freeze_sink_bufferalloc (GstPad * pad, guint64 offset, guint size,
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GstCaps * caps, GstBuffer ** buf)
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{
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GstImageFreeze *self = GST_IMAGE_FREEZE (gst_pad_get_parent (pad));
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GstFlowReturn ret;
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gboolean do_alloc;
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GST_LOG_OBJECT (pad, "Allocating buffer with offset 0x%" G_GINT64_MODIFIER
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"x and size %u with caps: %" GST_PTR_FORMAT, offset, size, caps);
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*buf = NULL;
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g_mutex_lock (self->lock);
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do_alloc = self->buffer == NULL;
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g_mutex_unlock (self->lock);
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if (do_alloc) {
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gboolean seeking = FALSE;
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do {
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GST_PAD_STREAM_LOCK (self->srcpad);
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ret = gst_pad_alloc_buffer (self->srcpad, offset, size, caps, buf);
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seeking = ret == GST_FLOW_FLUSHING && g_atomic_int_get (&self->seeking);
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GST_PAD_STREAM_UNLOCK (self->srcpad);
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} while (seeking);
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if (G_UNLIKELY (ret != GST_FLOW_OK))
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GST_ERROR_OBJECT (pad, "Allocating buffer failed: %s",
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gst_flow_get_name (ret));
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} else {
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/* Let upstream go EOS if we already have a buffer */
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ret = GST_FLOW_EOS;
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}
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gst_object_unref (self);
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return ret;
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}
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@ -381,14 +342,14 @@ gst_image_freeze_convert (GstImageFreeze * self,
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case GST_FORMAT_DEFAULT:{
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switch (*dest_format) {
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case GST_FORMAT_TIME:
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g_mutex_lock (self->lock);
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g_mutex_lock (&self->lock);
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if (self->fps_n == 0)
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*dest_value = -1;
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else
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*dest_value =
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gst_util_uint64_scale (src_value, GST_SECOND * self->fps_d,
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self->fps_n);
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g_mutex_unlock (self->lock);
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g_mutex_unlock (&self->lock);
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ret = TRUE;
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break;
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default:
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@ -399,11 +360,11 @@ gst_image_freeze_convert (GstImageFreeze * self,
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case GST_FORMAT_TIME:{
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switch (*dest_format) {
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case GST_FORMAT_DEFAULT:
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g_mutex_lock (self->lock);
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g_mutex_lock (&self->lock);
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*dest_value =
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gst_util_uint64_scale (src_value, self->fps_n,
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self->fps_d * GST_SECOND);
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g_mutex_unlock (self->lock);
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g_mutex_unlock (&self->lock);
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ret = TRUE;
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break;
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default:
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@ -418,24 +379,10 @@ gst_image_freeze_convert (GstImageFreeze * self,
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return ret;
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}
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static const GstQueryType *
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gst_image_freeze_src_query_type (GstPad * pad)
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{
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static const GstQueryType types[] = {
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GST_QUERY_POSITION,
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GST_QUERY_DURATION,
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GST_QUERY_SEEKING,
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GST_QUERY_CONVERT,
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0
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};
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return types;
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}
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static gboolean
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gst_image_freeze_src_query (GstPad * pad, GstQuery * query)
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gst_image_freeze_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
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{
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GstImageFreeze *self = GST_IMAGE_FREEZE (gst_pad_get_parent (pad));
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GstImageFreeze *self = GST_IMAGE_FREEZE (parent);
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gboolean ret = FALSE;
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GST_LOG_OBJECT (pad, "Handling query of type '%s'",
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@ -463,16 +410,16 @@ gst_image_freeze_src_query (GstPad * pad, GstQuery * query)
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gst_query_parse_position (query, &format, NULL);
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switch (format) {
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case GST_FORMAT_DEFAULT:{
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g_mutex_lock (self->lock);
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g_mutex_lock (&self->lock);
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position = self->offset;
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g_mutex_unlock (self->lock);
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g_mutex_unlock (&self->lock);
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ret = TRUE;
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break;
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}
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case GST_FORMAT_TIME:{
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g_mutex_lock (self->lock);
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position = self->segment.last_stop;
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g_mutex_unlock (self->lock);
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g_mutex_lock (&self->lock);
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position = self->segment.position;
|
||||
g_mutex_unlock (&self->lock);
|
||||
ret = TRUE;
|
||||
break;
|
||||
}
|
||||
|
@ -497,20 +444,20 @@ gst_image_freeze_src_query (GstPad * pad, GstQuery * query)
|
|||
gst_query_parse_duration (query, &format, NULL);
|
||||
switch (format) {
|
||||
case GST_FORMAT_TIME:{
|
||||
g_mutex_lock (self->lock);
|
||||
g_mutex_lock (&self->lock);
|
||||
duration = self->segment.stop;
|
||||
g_mutex_unlock (self->lock);
|
||||
g_mutex_unlock (&self->lock);
|
||||
ret = TRUE;
|
||||
break;
|
||||
}
|
||||
case GST_FORMAT_DEFAULT:{
|
||||
g_mutex_lock (self->lock);
|
||||
g_mutex_lock (&self->lock);
|
||||
duration = self->segment.stop;
|
||||
if (duration != -1)
|
||||
duration =
|
||||
gst_util_uint64_scale (duration, self->fps_n,
|
||||
GST_SECOND * self->fps_d);
|
||||
g_mutex_unlock (self->lock);
|
||||
g_mutex_unlock (&self->lock);
|
||||
ret = TRUE;
|
||||
break;
|
||||
}
|
||||
|
@ -544,20 +491,29 @@ gst_image_freeze_src_query (GstPad * pad, GstQuery * query)
|
|||
break;
|
||||
}
|
||||
|
||||
gst_object_unref (self);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static gboolean
|
||||
gst_image_freeze_sink_event (GstPad * pad, GstEvent * event)
|
||||
gst_image_freeze_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
|
||||
{
|
||||
GstImageFreeze *self = GST_IMAGE_FREEZE (gst_pad_get_parent (pad));
|
||||
GstImageFreeze *self = GST_IMAGE_FREEZE (parent);
|
||||
gboolean ret;
|
||||
|
||||
GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
|
||||
|
||||
switch (GST_EVENT_TYPE (event)) {
|
||||
case GST_EVENT_CAPS:
|
||||
{
|
||||
GstCaps *caps;
|
||||
|
||||
gst_event_parse_caps (event, &caps);
|
||||
gst_image_freeze_sink_setcaps (self, caps);
|
||||
gst_event_unref (event);
|
||||
ret = TRUE;
|
||||
break;
|
||||
}
|
||||
case GST_EVENT_EOS:
|
||||
if (!self->buffer) {
|
||||
/* if we receive EOS before a buffer arrives, then let it pass */
|
||||
|
@ -566,7 +522,7 @@ gst_image_freeze_sink_event (GstPad * pad, GstEvent * event)
|
|||
break;
|
||||
}
|
||||
/* fall-through */
|
||||
case GST_EVENT_NEWSEGMENT:
|
||||
case GST_EVENT_SEGMENT:
|
||||
GST_DEBUG_OBJECT (pad, "Dropping event");
|
||||
gst_event_unref (event);
|
||||
ret = TRUE;
|
||||
|
@ -579,14 +535,13 @@ gst_image_freeze_sink_event (GstPad * pad, GstEvent * event)
|
|||
break;
|
||||
}
|
||||
|
||||
gst_object_unref (self);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_image_freeze_src_event (GstPad * pad, GstEvent * event)
|
||||
gst_image_freeze_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
|
||||
{
|
||||
GstImageFreeze *self = GST_IMAGE_FREEZE (gst_pad_get_parent (pad));
|
||||
GstImageFreeze *self = GST_IMAGE_FREEZE (parent);
|
||||
gboolean ret;
|
||||
|
||||
GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
|
||||
|
@ -649,39 +604,20 @@ gst_image_freeze_src_event (GstPad * pad, GstEvent * event)
|
|||
|
||||
GST_PAD_STREAM_LOCK (self->srcpad);
|
||||
|
||||
g_mutex_lock (self->lock);
|
||||
gst_event_replace (&self->close_segment, NULL);
|
||||
if (!flush) {
|
||||
if (!self->need_segment && self->segment.rate >= 0) {
|
||||
self->close_segment =
|
||||
gst_event_new_new_segment_full (TRUE, self->segment.rate,
|
||||
self->segment.applied_rate, self->segment.format,
|
||||
self->segment.start, self->segment.last_stop, self->segment.time);
|
||||
} else if (!self->need_segment) {
|
||||
gint64 stop;
|
||||
g_mutex_lock (&self->lock);
|
||||
|
||||
if ((stop = self->segment.stop) == -1)
|
||||
stop = self->segment.duration;
|
||||
|
||||
self->close_segment =
|
||||
gst_event_new_new_segment_full (TRUE, self->segment.rate,
|
||||
self->segment.applied_rate, self->segment.format,
|
||||
self->segment.last_stop, stop, self->segment.last_stop);
|
||||
}
|
||||
}
|
||||
|
||||
gst_segment_set_seek (&self->segment, rate, format, flags, start_type,
|
||||
gst_segment_do_seek (&self->segment, rate, format, flags, start_type,
|
||||
start, stop_type, stop, NULL);
|
||||
self->need_segment = TRUE;
|
||||
last_stop = self->segment.last_stop;
|
||||
last_stop = self->segment.position;
|
||||
|
||||
start_task = self->buffer != NULL;
|
||||
g_mutex_unlock (self->lock);
|
||||
g_mutex_unlock (&self->lock);
|
||||
|
||||
if (flush) {
|
||||
GstEvent *e;
|
||||
|
||||
e = gst_event_new_flush_stop ();
|
||||
e = gst_event_new_flush_stop (TRUE);
|
||||
gst_pad_push_event (self->srcpad, e);
|
||||
g_atomic_int_set (&self->seeking, 0);
|
||||
}
|
||||
|
@ -699,13 +635,13 @@ gst_image_freeze_src_event (GstPad * pad, GstEvent * event)
|
|||
GST_DEBUG_OBJECT (pad, "Seek successful");
|
||||
|
||||
if (start_task) {
|
||||
g_mutex_lock (self->lock);
|
||||
g_mutex_lock (&self->lock);
|
||||
|
||||
if (self->buffer != NULL)
|
||||
gst_pad_start_task (self->srcpad,
|
||||
(GstTaskFunction) gst_image_freeze_src_loop, self->srcpad);
|
||||
|
||||
g_mutex_unlock (self->lock);
|
||||
g_mutex_unlock (&self->lock);
|
||||
}
|
||||
|
||||
ret = TRUE;
|
||||
|
@ -719,20 +655,20 @@ gst_image_freeze_src_event (GstPad * pad, GstEvent * event)
|
|||
break;
|
||||
}
|
||||
|
||||
gst_object_unref (self);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_image_freeze_sink_chain (GstPad * pad, GstBuffer * buffer)
|
||||
gst_image_freeze_sink_chain (GstPad * pad, GstObject * parent,
|
||||
GstBuffer * buffer)
|
||||
{
|
||||
GstImageFreeze *self = GST_IMAGE_FREEZE (GST_PAD_PARENT (pad));
|
||||
GstImageFreeze *self = GST_IMAGE_FREEZE (parent);
|
||||
|
||||
g_mutex_lock (self->lock);
|
||||
g_mutex_lock (&self->lock);
|
||||
if (self->buffer) {
|
||||
GST_DEBUG_OBJECT (pad, "Already have a buffer, dropping");
|
||||
gst_buffer_unref (buffer);
|
||||
g_mutex_unlock (self->lock);
|
||||
g_mutex_unlock (&self->lock);
|
||||
return GST_FLOW_EOS;
|
||||
}
|
||||
|
||||
|
@ -740,7 +676,7 @@ gst_image_freeze_sink_chain (GstPad * pad, GstBuffer * buffer)
|
|||
|
||||
gst_pad_start_task (self->srcpad, (GstTaskFunction) gst_image_freeze_src_loop,
|
||||
self->srcpad);
|
||||
g_mutex_unlock (self->lock);
|
||||
g_mutex_unlock (&self->lock);
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
|
@ -751,36 +687,28 @@ gst_image_freeze_src_loop (GstPad * pad)
|
|||
GstBuffer *buffer;
|
||||
guint64 offset;
|
||||
GstClockTime timestamp, timestamp_end;
|
||||
gint64 cstart, cstop;
|
||||
guint64 cstart, cstop;
|
||||
gboolean in_seg, eos;
|
||||
|
||||
g_mutex_lock (self->lock);
|
||||
g_mutex_lock (&self->lock);
|
||||
if (!self->buffer) {
|
||||
GST_ERROR_OBJECT (pad, "Have no buffer yet");
|
||||
g_mutex_unlock (self->lock);
|
||||
g_mutex_unlock (&self->lock);
|
||||
gst_pad_pause_task (self->srcpad);
|
||||
return;
|
||||
}
|
||||
buffer = gst_buffer_ref (self->buffer);
|
||||
buffer = gst_buffer_make_metadata_writable (buffer);
|
||||
g_mutex_unlock (self->lock);
|
||||
|
||||
if (self->close_segment) {
|
||||
GST_DEBUG_OBJECT (pad, "Closing previous segment");
|
||||
gst_pad_push_event (self->srcpad, self->close_segment);
|
||||
self->close_segment = NULL;
|
||||
}
|
||||
buffer = gst_buffer_make_writable (buffer);
|
||||
g_mutex_unlock (&self->lock);
|
||||
|
||||
if (self->need_segment) {
|
||||
GstEvent *e;
|
||||
|
||||
GST_DEBUG_OBJECT (pad, "Pushing NEWSEGMENT event: %" GST_SEGMENT_FORMAT,
|
||||
&self->segment);
|
||||
e = gst_event_new_new_segment_full (FALSE, self->segment.rate,
|
||||
self->segment.applied_rate, self->segment.format, self->segment.start,
|
||||
self->segment.stop, self->segment.start);
|
||||
e = gst_event_new_segment (&self->segment);
|
||||
|
||||
g_mutex_lock (self->lock);
|
||||
g_mutex_lock (&self->lock);
|
||||
if (self->segment.rate >= 0) {
|
||||
self->offset =
|
||||
gst_util_uint64_scale (self->segment.start, self->fps_n,
|
||||
|
@ -790,14 +718,14 @@ gst_image_freeze_src_loop (GstPad * pad)
|
|||
gst_util_uint64_scale (self->segment.stop, self->fps_n,
|
||||
self->fps_d * GST_SECOND);
|
||||
}
|
||||
g_mutex_unlock (self->lock);
|
||||
g_mutex_unlock (&self->lock);
|
||||
|
||||
self->need_segment = FALSE;
|
||||
|
||||
gst_pad_push_event (self->srcpad, e);
|
||||
}
|
||||
|
||||
g_mutex_lock (self->lock);
|
||||
g_mutex_lock (&self->lock);
|
||||
offset = self->offset;
|
||||
|
||||
if (self->fps_n != 0) {
|
||||
|
@ -825,13 +753,13 @@ gst_image_freeze_src_loop (GstPad * pad)
|
|||
timestamp_end, &cstart, &cstop);
|
||||
|
||||
if (in_seg)
|
||||
gst_segment_set_last_stop (&self->segment, GST_FORMAT_TIME, cstart);
|
||||
self->segment.position = cstart;
|
||||
|
||||
if (self->segment.rate >= 0)
|
||||
self->offset++;
|
||||
else
|
||||
self->offset--;
|
||||
g_mutex_unlock (self->lock);
|
||||
g_mutex_unlock (&self->lock);
|
||||
|
||||
GST_DEBUG_OBJECT (pad, "Handling buffer with timestamp %" GST_TIME_FORMAT,
|
||||
GST_TIME_ARGS (timestamp));
|
||||
|
@ -843,7 +771,6 @@ gst_image_freeze_src_loop (GstPad * pad)
|
|||
GST_BUFFER_DURATION (buffer) = cstop - cstart;
|
||||
GST_BUFFER_OFFSET (buffer) = offset;
|
||||
GST_BUFFER_OFFSET_END (buffer) = offset + 1;
|
||||
gst_buffer_set_caps (buffer, GST_PAD_CAPS (self->srcpad));
|
||||
ret = gst_pad_push (self->srcpad, buffer);
|
||||
GST_DEBUG_OBJECT (pad, "Pushing buffer resulted in %s",
|
||||
gst_flow_get_name (ret));
|
||||
|
|
|
@ -47,13 +47,12 @@ struct _GstImageFreeze
|
|||
GstPad *sinkpad;
|
||||
GstPad *srcpad;
|
||||
|
||||
GMutex *lock;
|
||||
GMutex lock;
|
||||
GstBuffer *buffer;
|
||||
gint fps_n, fps_d;
|
||||
|
||||
GstSegment segment;
|
||||
gboolean need_segment;
|
||||
GstEvent *close_segment;
|
||||
|
||||
guint64 offset;
|
||||
|
||||
|
|
Loading…
Reference in a new issue