GstStateChange transition);
static GstFlowReturn gst_image_freeze_sink_chain (GstPad * pad,
- GstBuffer * buffer);
-static gboolean gst_image_freeze_sink_event (GstPad * pad, GstEvent * event);
-static gboolean gst_image_freeze_sink_setcaps (GstPad * pad, GstCaps * caps);
-static GstCaps *gst_image_freeze_sink_getcaps (GstPad * pad);
-static gboolean gst_image_freeze_sink_query (GstPad * pad, GstQuery * query);
-static GstFlowReturn gst_image_freeze_sink_bufferalloc (GstPad * pad,
- guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf);
+ GstObject * parent, GstBuffer * buffer);
+static gboolean gst_image_freeze_sink_event (GstPad * pad, GstObject * parent,
+ GstEvent * event);
+static gboolean gst_image_freeze_sink_setcaps (GstImageFreeze * self,
+ GstCaps * caps);
+static GstCaps *gst_image_freeze_sink_getcaps (GstImageFreeze * self,
+ GstCaps * filter);
+static gboolean gst_image_freeze_sink_query (GstPad * pad, GstObject * parent,
+ GstQuery * query);
static void gst_image_freeze_src_loop (GstPad * pad);
-static gboolean gst_image_freeze_src_event (GstPad * pad, GstEvent * event);
-static gboolean gst_image_freeze_src_query (GstPad * pad, GstQuery * query);
-static const GstQueryType *gst_image_freeze_src_query_type (GstPad * pad);
+static gboolean gst_image_freeze_src_event (GstPad * pad, GstObject * parent,
+ GstEvent * event);
+static gboolean gst_image_freeze_src_query (GstPad * pad, GstObject * parent,
+ GstQuery * query);
static GstStaticPadTemplate sink_pad_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-raw-yuv; video/x-raw-rgb; video/x-raw-gray"));
+ GST_STATIC_CAPS ("video/x-raw"));
static GstStaticPadTemplate src_pad_template =
- GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-raw-yuv; video/x-raw-rgb; video/x-raw-gray"));
+GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-raw"));
GST_DEBUG_CATEGORY_STATIC (gst_image_freeze_debug);
#define GST_CAT_DEFAULT gst_image_freeze_debug
-GST_BOILERPLATE (GstImageFreeze, gst_image_freeze, GstElement,
- GST_TYPE_ELEMENT);
+#define gst_image_freeze_parent_class parent_class
+G_DEFINE_TYPE (GstImageFreeze, gst_image_freeze, GST_TYPE_ELEMENT);
+
static void
-gst_image_freeze_base_init (gpointer g_class)
+gst_image_freeze_class_init (GstImageFreezeClass * klass)
{
- GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
+
+ gobject_class->finalize = gst_image_freeze_finalize;
+
+ gstelement_class->change_state =
+ GST_DEBUG_FUNCPTR (gst_image_freeze_change_state);
gst_element_class_set_details_simple (gstelement_class,
"Still frame stream generator",
}
static void
-gst_image_freeze_class_init (GstImageFreezeClass * klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
-
- gobject_class->finalize = gst_image_freeze_finalize;
-
- gstelement_class->change_state =
- GST_DEBUG_FUNCPTR (gst_image_freeze_change_state);
-}
-
-static void
-gst_image_freeze_init (GstImageFreeze * self, GstImageFreezeClass * g_class)
+gst_image_freeze_init (GstImageFreeze * self)
{
self->sinkpad = gst_pad_new_from_static_template (&sink_pad_template, "sink");
gst_pad_set_chain_function (self->sinkpad,
GST_DEBUG_FUNCPTR (gst_image_freeze_sink_event));
gst_pad_set_query_function (self->sinkpad,
GST_DEBUG_FUNCPTR (gst_image_freeze_sink_query));
- gst_pad_set_setcaps_function (self->sinkpad,
- GST_DEBUG_FUNCPTR (gst_image_freeze_sink_setcaps));
- gst_pad_set_getcaps_function (self->sinkpad,
- GST_DEBUG_FUNCPTR (gst_image_freeze_sink_getcaps));
- gst_pad_set_bufferalloc_function (self->sinkpad,
- GST_DEBUG_FUNCPTR (gst_image_freeze_sink_bufferalloc));
+ GST_PAD_SET_PROXY_ALLOCATION (self->sinkpad);
gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
self->srcpad = gst_pad_new_from_static_template (&src_pad_template, "src");
GST_DEBUG_FUNCPTR (gst_image_freeze_src_event));
gst_pad_set_query_function (self->srcpad,
GST_DEBUG_FUNCPTR (gst_image_freeze_src_query));
- gst_pad_set_query_type_function (self->srcpad,
- GST_DEBUG_FUNCPTR (gst_image_freeze_src_query_type));
gst_pad_use_fixed_caps (self->srcpad);
gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
- self->lock = g_mutex_new ();
+ g_mutex_init (&self->lock);
gst_image_freeze_reset (self);
}
gst_image_freeze_reset (self);
- if (self->lock)
- g_mutex_free (self->lock);
- self->lock = NULL;
+ g_mutex_clear (&self->lock);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
{
GST_DEBUG_OBJECT (self, "Resetting internal state");
- g_mutex_lock (self->lock);
+ g_mutex_lock (&self->lock);
gst_buffer_replace (&self->buffer, NULL);
gst_segment_init (&self->segment, GST_FORMAT_TIME);
self->need_segment = TRUE;
- gst_event_replace (&self->close_segment, NULL);
self->fps_n = self->fps_d = 0;
self->offset = 0;
- g_mutex_unlock (self->lock);
+ g_mutex_unlock (&self->lock);
g_atomic_int_set (&self->seeking, 0);
}
static gboolean
-gst_image_freeze_sink_setcaps (GstPad * pad, GstCaps * caps)
+gst_image_freeze_sink_setcaps (GstImageFreeze * self, GstCaps * caps)
{
- GstImageFreeze *self = GST_IMAGE_FREEZE (gst_pad_get_parent (pad));
gboolean ret = FALSE;
GstStructure *s;
gint fps_n, fps_d;
GstCaps *othercaps, *intersection;
guint i, n;
+ GstPad *pad;
+ pad = self->sinkpad;
caps = gst_caps_make_writable (gst_caps_ref (caps));
GST_DEBUG_OBJECT (pad, "Setting caps: %" GST_PTR_FORMAT, caps);
intersection = othercaps = NULL;
/* 3. Intersect with downstream peer caps */
- othercaps = gst_pad_peer_get_caps (self->srcpad);
+ othercaps = gst_pad_peer_query_caps (self->srcpad, NULL);
if (othercaps) {
intersection = gst_caps_intersect (caps, othercaps);
GST_DEBUG_OBJECT (pad, "Intersecting: %" GST_PTR_FORMAT, caps);
GstStructure *s = gst_structure_copy (gst_caps_get_structure (caps, i));
gst_caps_append_structure (candidate, s);
- if (gst_pad_peer_accept_caps (self->srcpad, candidate)) {
+ if (gst_pad_peer_query_accept_caps (self->srcpad, candidate)) {
if (gst_structure_has_field_typed (s, "framerate", GST_TYPE_FRACTION) ||
gst_structure_fixate_field_nearest_fraction (s, "framerate", 25, 1)) {
gst_structure_get_fraction (s, "framerate", &fps_n, &fps_d);
if (fps_d != 0) {
- g_mutex_lock (self->lock);
+ g_mutex_lock (&self->lock);
self->fps_n = fps_n;
self->fps_d = fps_d;
- g_mutex_unlock (self->lock);
+ g_mutex_unlock (&self->lock);
GST_DEBUG_OBJECT (pad, "Setting caps %" GST_PTR_FORMAT, candidate);
gst_pad_set_caps (self->srcpad, candidate);
gst_caps_unref (candidate);
GST_ERROR_OBJECT (pad, "No usable caps found");
gst_caps_unref (caps);
- gst_object_unref (self);
return ret;
}
static GstCaps *
-gst_image_freeze_sink_getcaps (GstPad * pad)
+gst_image_freeze_sink_getcaps (GstImageFreeze * self, GstCaps * filter)
{
- GstImageFreeze *self = GST_IMAGE_FREEZE (gst_pad_get_parent (pad));
GstCaps *ret, *tmp;
guint i, n;
+ GstPad *pad;
- if (GST_PAD_CAPS (pad)) {
- ret = gst_caps_copy (GST_PAD_CAPS (pad));
+ pad = self->sinkpad;
+ if (gst_pad_has_current_caps (pad)) {
+ ret = gst_pad_get_current_caps (pad);
+ gst_caps_replace (&ret, gst_caps_copy (ret));
+ gst_caps_unref (ret);
goto done;
}
- tmp = gst_pad_peer_get_caps (self->srcpad);
+ tmp = gst_pad_peer_query_caps (self->srcpad, filter);
if (tmp) {
ret = gst_caps_intersect (tmp, gst_pad_get_pad_template_caps (pad));
gst_caps_unref (tmp);
}
done:
- gst_object_unref (self);
-
GST_LOG_OBJECT (pad, "Returning caps: %" GST_PTR_FORMAT, ret);
return ret;
}
static gboolean
-gst_image_freeze_sink_query (GstPad * pad, GstQuery * query)
+gst_image_freeze_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
- GstImageFreeze *self = GST_IMAGE_FREEZE (gst_pad_get_parent (pad));
+ GstImageFreeze *self = GST_IMAGE_FREEZE (parent);
gboolean ret;
GstPad *peer = gst_pad_get_peer (self->srcpad);
GST_INFO_OBJECT (pad, "No peer yet, dropping query");
ret = FALSE;
} else {
- ret = gst_pad_query (peer, query);
+ switch (GST_QUERY_TYPE (query)) {
+ case GST_QUERY_CAPS:
+ {
+ GstCaps *caps;
+
+ gst_query_parse_caps (query, &caps);
+ caps = gst_image_freeze_sink_getcaps (self, caps);
+ gst_query_set_caps_result (query, caps);
+ gst_caps_unref (caps);
+ ret = TRUE;
+ break;
+ }
+ default:
+ ret = gst_pad_query_default (peer, parent, query);
+ }
gst_object_unref (peer);
}
- gst_object_unref (self);
- return ret;
-}
-
-static GstFlowReturn
-gst_image_freeze_sink_bufferalloc (GstPad * pad, guint64 offset, guint size,
- GstCaps * caps, GstBuffer ** buf)
-{
- GstImageFreeze *self = GST_IMAGE_FREEZE (gst_pad_get_parent (pad));
- GstFlowReturn ret;
- gboolean do_alloc;
-
- GST_LOG_OBJECT (pad, "Allocating buffer with offset 0x%" G_GINT64_MODIFIER
- "x and size %u with caps: %" GST_PTR_FORMAT, offset, size, caps);
-
- *buf = NULL;
-
- g_mutex_lock (self->lock);
- do_alloc = self->buffer == NULL;
- g_mutex_unlock (self->lock);
-
- if (do_alloc) {
- gboolean seeking = FALSE;
-
- do {
- GST_PAD_STREAM_LOCK (self->srcpad);
- ret = gst_pad_alloc_buffer (self->srcpad, offset, size, caps, buf);
-
- seeking = ret == GST_FLOW_FLUSHING && g_atomic_int_get (&self->seeking);
- GST_PAD_STREAM_UNLOCK (self->srcpad);
- } while (seeking);
-
- if (G_UNLIKELY (ret != GST_FLOW_OK))
- GST_ERROR_OBJECT (pad, "Allocating buffer failed: %s",
- gst_flow_get_name (ret));
- } else {
- /* Let upstream go EOS if we already have a buffer */
- ret = GST_FLOW_EOS;
- }
-
- gst_object_unref (self);
-
return ret;
}
case GST_FORMAT_DEFAULT:{
switch (*dest_format) {
case GST_FORMAT_TIME:
- g_mutex_lock (self->lock);
+ g_mutex_lock (&self->lock);
if (self->fps_n == 0)
*dest_value = -1;
else
*dest_value =
gst_util_uint64_scale (src_value, GST_SECOND * self->fps_d,
self->fps_n);
- g_mutex_unlock (self->lock);
+ g_mutex_unlock (&self->lock);
ret = TRUE;
break;
default:
case GST_FORMAT_TIME:{
switch (*dest_format) {
case GST_FORMAT_DEFAULT:
- g_mutex_lock (self->lock);
+ g_mutex_lock (&self->lock);
*dest_value =
gst_util_uint64_scale (src_value, self->fps_n,
self->fps_d * GST_SECOND);
- g_mutex_unlock (self->lock);
+ g_mutex_unlock (&self->lock);
ret = TRUE;
break;
default:
return ret;
}
-static const GstQueryType *
-gst_image_freeze_src_query_type (GstPad * pad)
-{
- static const GstQueryType types[] = {
- GST_QUERY_POSITION,
- GST_QUERY_DURATION,
- GST_QUERY_SEEKING,
- GST_QUERY_CONVERT,
- 0
- };
-
- return types;
-}
-
static gboolean
-gst_image_freeze_src_query (GstPad * pad, GstQuery * query)
+gst_image_freeze_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
- GstImageFreeze *self = GST_IMAGE_FREEZE (gst_pad_get_parent (pad));
+ GstImageFreeze *self = GST_IMAGE_FREEZE (parent);
gboolean ret = FALSE;
GST_LOG_OBJECT (pad, "Handling query of type '%s'",
gst_query_parse_position (query, &format, NULL);
switch (format) {
case GST_FORMAT_DEFAULT:{
- g_mutex_lock (self->lock);
+ g_mutex_lock (&self->lock);
position = self->offset;
- g_mutex_unlock (self->lock);
+ g_mutex_unlock (&self->lock);
ret = TRUE;
break;
}
case GST_FORMAT_TIME:{
- g_mutex_lock (self->lock);
- position = self->segment.last_stop;
- g_mutex_unlock (self->lock);
+ g_mutex_lock (&self->lock);
+ position = self->segment.position;
+ g_mutex_unlock (&self->lock);
ret = TRUE;
break;
}
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;
}
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 */
break;
}
/* fall-through */
- case GST_EVENT_NEWSEGMENT:
+ case GST_EVENT_SEGMENT:
GST_DEBUG_OBJECT (pad, "Dropping event");
gst_event_unref (event);
ret = TRUE;
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));
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;
-
- 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);
- }
- }
+ g_mutex_lock (&self->lock);
- 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);
}
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;
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;
}
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;
}
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,
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) {
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));
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));
projects / platform / upstream / gstreamer.git / commitdiff