* <refsect2>
* <title>Example launch line</title>
* |[
- * gst-launch -v decklinksrc ! xvimagesink
+ * gst-launch-1.0 -v decklinksrc ! videoconvert ! xvimagesink
* ]|
*
* </refsect2>
#include "config.h"
#endif
-/* FIXME 0.11: suppress warnings for deprecated API such as GStaticRecMutex
- * with newer GLib versions (>= 2.31.0) */
-#define GLIB_DISABLE_DEPRECATION_WARNINGS
-
#include <gst/gst.h>
-#include <gst/glib-compat-private.h>
#include "gstdecklink.h"
#include "gstdecklinksrc.h"
#include "capture.h"
#include <string.h>
-#include <gst/interfaces/propertyprobe.h>
GST_DEBUG_CATEGORY (gst_decklink_src_debug_category);
#define GST_CAT_DEFAULT gst_decklink_src_debug_category
-/* prototypes */
-
typedef struct _VideoFrame VideoFrame;
struct _VideoFrame
{
IDeckLinkInput *input;
};
-
static void gst_decklink_src_set_property (GObject * object,
guint property_id, const GValue * value, GParamSpec * pspec);
static void gst_decklink_src_get_property (GObject * object,
guint property_id, GValue * value, GParamSpec * pspec);
-static void gst_decklink_src_dispose (GObject * object);
static void gst_decklink_src_finalize (GObject * object);
-static GstPad *gst_decklink_src_request_new_pad (GstElement * element,
- GstPadTemplate * templ, const gchar * name);
-static void gst_decklink_src_release_pad (GstElement * element, GstPad * pad);
static GstStateChangeReturn
gst_decklink_src_change_state (GstElement * element, GstStateChange transition);
-static GstClock *gst_decklink_src_provide_clock (GstElement * element);
-static gboolean gst_decklink_src_set_clock (GstElement * element,
- GstClock * clock);
-static GstIndex *gst_decklink_src_get_index (GstElement * element);
-static void gst_decklink_src_set_index (GstElement * element, GstIndex * index);
-static gboolean gst_decklink_src_send_event (GstElement * element,
- GstEvent * event);
-static gboolean gst_decklink_src_query (GstElement * element, GstQuery * query);
-
-static GstCaps *gst_decklink_src_audio_src_getcaps (GstPad * pad);
-static gboolean gst_decklink_src_audio_src_setcaps (GstPad * pad,
- GstCaps * caps);
-static gboolean gst_decklink_src_audio_src_acceptcaps (GstPad * pad,
- GstCaps * caps);
-static void gst_decklink_src_audio_src_fixatecaps (GstPad * pad,
- GstCaps * caps);
-static gboolean gst_decklink_src_audio_src_activate (GstPad * pad);
-static gboolean gst_decklink_src_audio_src_activatepush (GstPad * pad,
- gboolean active);
-static gboolean gst_decklink_src_audio_src_activatepull (GstPad * pad,
- gboolean active);
-static GstPadLinkReturn gst_decklink_src_audio_src_link (GstPad * pad,
- GstPad * peer);
-static GstFlowReturn gst_decklink_src_audio_src_getrange (GstPad * pad,
- guint64 offset, guint length, GstBuffer ** buffer);
-static gboolean gst_decklink_src_audio_src_event (GstPad * pad,
- GstEvent * event);
+
static gboolean gst_decklink_src_audio_src_query (GstPad * pad,
- GstQuery * query);
-static GstIterator *gst_decklink_src_audio_src_iterintlink (GstPad * pad);
-
-
-static GstCaps *gst_decklink_src_video_src_getcaps (GstPad * pad);
-static gboolean gst_decklink_src_video_src_setcaps (GstPad * pad,
- GstCaps * caps);
-static gboolean gst_decklink_src_video_src_acceptcaps (GstPad * pad,
- GstCaps * caps);
-static void gst_decklink_src_video_src_fixatecaps (GstPad * pad,
- GstCaps * caps);
-static gboolean gst_decklink_src_video_src_activate (GstPad * pad);
-static gboolean gst_decklink_src_video_src_activatepush (GstPad * pad,
- gboolean active);
-static gboolean gst_decklink_src_video_src_activatepull (GstPad * pad,
- gboolean active);
-static GstPadLinkReturn gst_decklink_src_video_src_link (GstPad * pad,
- GstPad * peer);
-static GstFlowReturn gst_decklink_src_video_src_getrange (GstPad * pad,
- guint64 offset, guint length, GstBuffer ** buffer);
-static gboolean gst_decklink_src_video_src_event (GstPad * pad,
- GstEvent * event);
+ GstObject * parent, GstQuery * query);
static gboolean gst_decklink_src_video_src_query (GstPad * pad,
- GstQuery * query);
-static GstIterator *gst_decklink_src_video_src_iterintlink (GstPad * pad);
-
-static void
-gst_decklinksrc_property_probe_interface_init (GstPropertyProbeInterface *
- iface);
+ GstObject * parent, GstQuery * query);
static void gst_decklink_src_task (void *priv);
PROP_DEVICE
};
-/* pad templates */
-
static GstStaticPadTemplate gst_decklink_src_audio_src_template =
GST_STATIC_PAD_TEMPLATE ("audiosrc",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/x-raw-int,width=16,depth=16,channels=2,rate=48000")
+ GST_STATIC_CAPS ("audio/x-raw, format=S16LE, channels=2, rate=48000")
);
/* the video source pad template is created on the fly */
-/* class initialization */
-
-static void
-gst_decklinksrc_init_interfaces (GType type)
-{
- static const GInterfaceInfo decklinksrc_propertyprobe_info = {
- (GInterfaceInitFunc) gst_decklinksrc_property_probe_interface_init,
- NULL,
- NULL,
- };
-
- GST_DEBUG_CATEGORY_INIT (gst_decklink_src_debug_category, "decklinksrc", 0,
- "debug category for decklinksrc element");
-
- g_type_add_interface_static (type, GST_TYPE_PROPERTY_PROBE,
- &decklinksrc_propertyprobe_info);
-}
-
-GST_BOILERPLATE_FULL (GstDecklinkSrc, gst_decklink_src, GstElement,
- GST_TYPE_ELEMENT, gst_decklinksrc_init_interfaces);
-
-static void
-gst_decklink_src_base_init (gpointer g_class)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_decklink_src_audio_src_template));
- gst_element_class_add_pad_template (element_class,
- gst_pad_template_new ("videosrc", GST_PAD_SRC, GST_PAD_ALWAYS,
- gst_decklink_mode_get_template_caps ()));
-
- gst_element_class_set_static_metadata (element_class, "Decklink source",
- "Source/Video", "DeckLink Source", "David Schleef <ds@entropywave.com>");
-}
+#define parent_class gst_decklink_src_parent_class
+G_DEFINE_TYPE (GstDecklinkSrc, gst_decklink_src, GST_TYPE_ELEMENT);
static void
gst_decklink_src_class_init (GstDecklinkSrcClass * klass)
gobject_class->set_property = gst_decklink_src_set_property;
gobject_class->get_property = gst_decklink_src_get_property;
- gobject_class->dispose = gst_decklink_src_dispose;
gobject_class->finalize = gst_decklink_src_finalize;
- element_class->request_new_pad =
- GST_DEBUG_FUNCPTR (gst_decklink_src_request_new_pad);
- element_class->release_pad = GST_DEBUG_FUNCPTR (gst_decklink_src_release_pad);
element_class->change_state =
GST_DEBUG_FUNCPTR (gst_decklink_src_change_state);
- element_class->provide_clock =
- GST_DEBUG_FUNCPTR (gst_decklink_src_provide_clock);
- element_class->set_clock = GST_DEBUG_FUNCPTR (gst_decklink_src_set_clock);
- element_class->get_index = GST_DEBUG_FUNCPTR (gst_decklink_src_get_index);
- element_class->set_index = GST_DEBUG_FUNCPTR (gst_decklink_src_set_index);
- element_class->send_event = GST_DEBUG_FUNCPTR (gst_decklink_src_send_event);
- element_class->query = GST_DEBUG_FUNCPTR (gst_decklink_src_query);
g_object_class_install_property (gobject_class, PROP_MODE,
- g_param_spec_enum ("mode", "Mode", "Video Mode to use for capture",
+ g_param_spec_enum ("mode", "Mode", "Video mode to use for capture",
GST_TYPE_DECKLINK_MODE, GST_DECKLINK_MODE_NTSC,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property (gobject_class, PROP_CONNECTION,
g_param_spec_enum ("connection", "Connection",
- "Video Input Connection to use",
+ "Video input connection to use",
GST_TYPE_DECKLINK_CONNECTION, GST_DECKLINK_CONNECTION_SDI,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property (gobject_class, PROP_AUDIO_INPUT,
g_param_spec_enum ("audio-input", "Audio Input",
- "Audio Input Connection",
+ "Audio input connection",
GST_TYPE_DECKLINK_AUDIO_CONNECTION,
GST_DECKLINK_AUDIO_CONNECTION_AUTO,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
+ /* FIXME: should be device-number or so, or turned into a string */
+#if 0
g_object_class_install_property (gobject_class, PROP_DEVICE,
g_param_spec_int ("device", "Device", "Capture device instance to use",
0, G_MAXINT, 0,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
+#endif
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_decklink_src_audio_src_template));
+
+ gst_element_class_add_pad_template (element_class,
+ gst_pad_template_new ("videosrc", GST_PAD_SRC, GST_PAD_ALWAYS,
+ gst_decklink_mode_get_template_caps ()));
+
+ gst_element_class_set_static_metadata (element_class, "Decklink source",
+ "Source/Video", "DeckLink Source", "David Schleef <ds@entropywave.com>");
}
static void
-gst_decklink_src_init (GstDecklinkSrc * decklinksrc,
- GstDecklinkSrcClass * decklinksrc_class)
+gst_decklink_src_init (GstDecklinkSrc * decklinksrc)
{
- g_static_rec_mutex_init (&decklinksrc->task_mutex);
- decklinksrc->task = gst_task_create (gst_decklink_src_task, decklinksrc);
+ GstDecklinkSrcClass *decklinksrc_class;
+
+ decklinksrc_class = GST_DECKLINK_SRC_GET_CLASS (decklinksrc);
+
+ g_rec_mutex_init (&decklinksrc->task_mutex);
+ decklinksrc->task = gst_task_new (gst_decklink_src_task, decklinksrc, NULL);
gst_task_set_lock (decklinksrc->task, &decklinksrc->task_mutex);
decklinksrc->audiosrcpad =
gst_pad_new_from_static_template (&gst_decklink_src_audio_src_template,
"audiosrc");
- gst_pad_set_getcaps_function (decklinksrc->audiosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_getcaps));
- gst_pad_set_setcaps_function (decklinksrc->audiosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_setcaps));
- gst_pad_set_acceptcaps_function (decklinksrc->audiosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_acceptcaps));
- gst_pad_set_fixatecaps_function (decklinksrc->audiosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_fixatecaps));
- gst_pad_set_activate_function (decklinksrc->audiosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_activate));
- gst_pad_set_activatepush_function (decklinksrc->audiosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_activatepush));
- gst_pad_set_activatepull_function (decklinksrc->audiosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_activatepull));
- gst_pad_set_link_function (decklinksrc->audiosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_link));
- gst_pad_set_getrange_function (decklinksrc->audiosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_getrange));
- gst_pad_set_event_function (decklinksrc->audiosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_event));
gst_pad_set_query_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_query));
- gst_pad_set_iterate_internal_links_function (decklinksrc->audiosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_iterintlink));
gst_element_add_pad (GST_ELEMENT (decklinksrc), decklinksrc->audiosrcpad);
decklinksrc->videosrcpad =
gst_pad_new_from_template (gst_element_class_get_pad_template
(GST_ELEMENT_CLASS (decklinksrc_class), "videosrc"), "videosrc");
- gst_pad_set_getcaps_function (decklinksrc->videosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_getcaps));
- gst_pad_set_setcaps_function (decklinksrc->videosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_setcaps));
- gst_pad_set_acceptcaps_function (decklinksrc->videosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_acceptcaps));
- gst_pad_set_fixatecaps_function (decklinksrc->videosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_fixatecaps));
- gst_pad_set_activate_function (decklinksrc->videosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_activate));
- gst_pad_set_activatepush_function (decklinksrc->videosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_activatepush));
- gst_pad_set_activatepull_function (decklinksrc->videosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_activatepull));
- gst_pad_set_link_function (decklinksrc->videosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_link));
- gst_pad_set_getrange_function (decklinksrc->videosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_getrange));
- gst_pad_set_event_function (decklinksrc->videosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_event));
gst_pad_set_query_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_query));
- gst_pad_set_iterate_internal_links_function (decklinksrc->videosrcpad,
- GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_iterintlink));
gst_element_add_pad (GST_ELEMENT (decklinksrc), decklinksrc->videosrcpad);
- decklinksrc->cond = g_cond_new ();
- decklinksrc->mutex = g_mutex_new ();
+ g_cond_init (&decklinksrc->cond);
+ g_mutex_init (&decklinksrc->mutex);
+ /* FIXME: turn this into a property? */
decklinksrc->copy_data = TRUE;
decklinksrc->mode = GST_DECKLINK_MODE_NTSC;
decklinksrc->connection = GST_DECKLINK_CONNECTION_SDI;
decklinksrc->frame_num = -1; /* -1 so will be 0 after incrementing */
#ifdef _MSC_VER
- decklinksrc->com_init_lock = g_mutex_new ();
- decklinksrc->com_deinit_lock = g_mutex_new ();
- decklinksrc->com_initialized = g_cond_new ();
- decklinksrc->com_uninitialize = g_cond_new ();
- decklinksrc->com_uninitialized = g_cond_new ();
+ g_mutex_init (&decklinksrc->com_init_lock);
+ g_mutex_init (&decklinksrc->com_deinit_lock);
+ g_cond_init (&decklinksrc->com_initialized);
+ g_cond_init (&decklinksrc->com_uninitialize);
+ g_cond_init (&decklinksrc->com_uninitialized);
- g_mutex_lock (decklinksrc->com_init_lock);
+ g_mutex_lock (&decklinksrc->com_init_lock);
/* create the COM initialization thread */
g_thread_create ((GThreadFunc) gst_decklink_src_com_thread,
decklinksrc, FALSE, NULL);
/* wait until the COM thread signals that COM has been initialized */
- g_cond_wait (decklinksrc->com_initialized, decklinksrc->com_init_lock);
- g_mutex_unlock (decklinksrc->com_init_lock);
+ g_cond_wait (&decklinksrc->com_initialized, &decklinksrc->com_init_lock);
+ g_mutex_unlock (&decklinksrc->com_init_lock);
#endif /* _MSC_VER */
+
+ GST_DEBUG_CATEGORY_INIT (gst_decklink_src_debug_category, "decklinksrc", 0,
+ "debug category for decklinksrc element");
}
void
{
GstDecklinkSrc *decklinksrc;
- g_return_if_fail (GST_IS_DECKLINK_SRC (object));
decklinksrc = GST_DECKLINK_SRC (object);
switch (property_id) {
{
GstDecklinkSrc *decklinksrc;
- g_return_if_fail (GST_IS_DECKLINK_SRC (object));
decklinksrc = GST_DECKLINK_SRC (object);
switch (property_id) {
#endif /* _MSC_VER */
void
-gst_decklink_src_dispose (GObject * object)
-{
- g_return_if_fail (GST_IS_DECKLINK_SRC (object));
-
- /* clean up as possible. may be called multiple times */
-
- G_OBJECT_CLASS (parent_class)->dispose (object);
-}
-
-void
gst_decklink_src_finalize (GObject * object)
{
GstDecklinkSrc *decklinksrc;
/* clean up object here */
- g_cond_free (decklinksrc->cond);
- g_mutex_free (decklinksrc->mutex);
+ g_cond_clear (&decklinksrc->cond);
+ g_mutex_clear (&decklinksrc->mutex);
gst_task_set_lock (decklinksrc->task, NULL);
g_object_unref (decklinksrc->task);
- if (decklinksrc->audio_caps) {
- gst_caps_unref (decklinksrc->audio_caps);
- }
- if (decklinksrc->video_caps) {
- gst_caps_unref (decklinksrc->video_caps);
- }
+
#ifdef _MSC_VER
/* signal the COM thread that it should uninitialize COM */
if (decklinksrc->comInitialized) {
- g_mutex_lock (decklinksrc->com_deinit_lock);
- g_cond_signal (decklinksrc->com_uninitialize);
- g_cond_wait (decklinksrc->com_uninitialized, decklinksrc->com_deinit_lock);
- g_mutex_unlock (decklinksrc->com_deinit_lock);
+ g_mutex_lock (&decklinksrc->com_deinit_lock);
+ g_cond_signal (&decklinksrc->com_uninitialize);
+ g_cond_wait (&decklinksrc->com_uninitialized, &decklinksrc->com_deinit_lock);
+ g_mutex_unlock (&decklinksrc->com_deinit_lock);
}
- g_mutex_free (decklinksrc->com_init_lock);
- g_mutex_free (decklinksrc->com_deinit_lock);
- g_cond_free (decklinksrc->com_initialized);
- g_cond_free (decklinksrc->com_uninitialize);
- g_cond_free (decklinksrc->com_uninitialized);
+ g_mutex_clear (&decklinksrc->com_init_lock);
+ g_mutex_clear (&decklinksrc->com_deinit_lock);
+ g_cond_clear (&decklinksrc->com_initialized);
+ g_cond_clear (&decklinksrc->com_uninitialize);
+ g_cond_clear (&decklinksrc->com_uninitialized);
#endif /* _MSC_VER */
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-
-
-static GstPad *
-gst_decklink_src_request_new_pad (GstElement * element, GstPadTemplate * templ,
- const gchar * name)
-{
-
- return NULL;
-}
-
-static void
-gst_decklink_src_release_pad (GstElement * element, GstPad * pad)
-{
+ g_rec_mutex_clear (&decklinksrc->task_mutex);
+ G_OBJECT_CLASS (parent_class)->finalize (object);
}
+/* FIXME: post error messages for the misc. failures */
static gboolean
gst_decklink_src_start (GstElement * element)
{
return FALSE;
}
- g_static_rec_mutex_lock (&decklinksrc->task_mutex);
+ g_rec_mutex_lock (&decklinksrc->task_mutex);
gst_task_start (decklinksrc->task);
- g_static_rec_mutex_unlock (&decklinksrc->task_mutex);
+ g_rec_mutex_unlock (&decklinksrc->task_mutex);
return TRUE;
}
gst_decklink_src_stop (GstElement * element)
{
GstDecklinkSrc *decklinksrc = GST_DECKLINK_SRC (element);
- //int refcount;
gst_task_stop (decklinksrc->task);
- g_mutex_lock (decklinksrc->mutex);
+ g_mutex_lock (&decklinksrc->mutex);
decklinksrc->stop = TRUE;
- g_cond_signal (decklinksrc->cond);
- g_mutex_unlock (decklinksrc->mutex);
+ g_cond_signal (&decklinksrc->cond);
+ g_mutex_unlock (&decklinksrc->mutex);
gst_task_join (decklinksrc->task);
GstStateChangeReturn ret;
gboolean no_preroll = FALSE;
- g_return_val_if_fail (GST_IS_DECKLINK_SRC (element),
- GST_STATE_CHANGE_FAILURE);
-
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!gst_decklink_src_start (element)) {
return ret;
}
-static GstClock *
-gst_decklink_src_provide_clock (GstElement * element)
-{
-
- return NULL;
-}
-
-static gboolean
-gst_decklink_src_set_clock (GstElement * element, GstClock * clock)
-{
-
- return GST_ELEMENT_CLASS (parent_class)->set_clock (element, clock);
-}
-
-static GstIndex *
-gst_decklink_src_get_index (GstElement * element)
-{
-
- return NULL;
-}
-
-static void
-gst_decklink_src_set_index (GstElement * element, GstIndex * index)
-{
-
-}
-
-static gboolean
-gst_decklink_src_send_event (GstElement * element, GstEvent * event)
-{
-
- return TRUE;
-}
-
-static gboolean
-gst_decklink_src_query (GstElement * element, GstQuery * query)
-{
- GstDecklinkSrc *decklinksrc = GST_DECKLINK_SRC (element);
- gboolean ret;
-
- GST_DEBUG_OBJECT (decklinksrc, "query");
-
- switch (GST_QUERY_TYPE (query)) {
- default:
- ret = GST_ELEMENT_CLASS (parent_class)->query (element, query);
- break;
- }
-
- return ret;
-}
-
-static GstCaps *
-gst_decklink_src_audio_src_getcaps (GstPad * pad)
-{
- GstDecklinkSrc *decklinksrc;
- GstCaps *caps;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "getcaps");
-
- caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
-
- gst_object_unref (decklinksrc);
- return caps;
-}
-
-static gboolean
-gst_decklink_src_audio_src_setcaps (GstPad * pad, GstCaps * caps)
-{
- GstDecklinkSrc *decklinksrc;
- GstCaps *pad_caps;
- gboolean can_intersect;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- pad_caps = gst_pad_get_caps (pad);
- can_intersect = gst_caps_can_intersect (pad_caps, caps);
- gst_caps_unref (pad_caps);
-
- GST_DEBUG_OBJECT (decklinksrc, "setcaps");
-
-
- gst_object_unref (decklinksrc);
- return can_intersect;
-}
-
-static gboolean
-gst_decklink_src_audio_src_acceptcaps (GstPad * pad, GstCaps * caps)
-{
- GstDecklinkSrc *decklinksrc;
- GstCaps *pad_caps;
- gboolean can_intersect;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- pad_caps = gst_pad_get_caps (pad);
- can_intersect = gst_caps_can_intersect (pad_caps, caps);
- gst_caps_unref (pad_caps);
-
- GST_DEBUG_OBJECT (decklinksrc, "acceptcaps");
-
- gst_object_unref (decklinksrc);
- return can_intersect;
-}
-
-static void
-gst_decklink_src_audio_src_fixatecaps (GstPad * pad, GstCaps * caps)
-{
- GstDecklinkSrc *decklinksrc;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "fixatecaps");
-
-
- gst_object_unref (decklinksrc);
-}
-
-static gboolean
-gst_decklink_src_audio_src_activate (GstPad * pad)
-{
- GstDecklinkSrc *decklinksrc;
- gboolean ret;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "activate");
-
- if (gst_pad_check_pull_range (pad)) {
- GST_DEBUG_OBJECT (pad, "activating pull");
- ret = gst_pad_activate_pull (pad, TRUE);
- } else {
- GST_DEBUG_OBJECT (pad, "activating push");
- ret = gst_pad_activate_push (pad, TRUE);
- }
-
- gst_object_unref (decklinksrc);
- return ret;
-}
-
static gboolean
-gst_decklink_src_audio_src_activatepush (GstPad * pad, gboolean active)
-{
- GstDecklinkSrc *decklinksrc;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "activatepush");
-
-
- gst_object_unref (decklinksrc);
- return TRUE;
-}
-
-static gboolean
-gst_decklink_src_audio_src_activatepull (GstPad * pad, gboolean active)
-{
- GstDecklinkSrc *decklinksrc;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "activatepull");
-
- gst_object_unref (decklinksrc);
- return FALSE;
-}
-
-static GstPadLinkReturn
-gst_decklink_src_audio_src_link (GstPad * pad, GstPad * peer)
-{
- GstDecklinkSrc *decklinksrc;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "link");
-
-
- gst_object_unref (decklinksrc);
- return GST_PAD_LINK_OK;
-}
-
-static GstFlowReturn
-gst_decklink_src_audio_src_getrange (GstPad * pad, guint64 offset, guint length,
- GstBuffer ** buffer)
-{
- GstDecklinkSrc *decklinksrc;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "getrange");
-
-
- gst_object_unref (decklinksrc);
- return GST_FLOW_OK;
-}
-
-static gboolean
-gst_decklink_src_audio_src_event (GstPad * pad, GstEvent * event)
+gst_decklink_src_audio_src_query (GstPad * pad, GstObject * parent,
+ GstQuery * query)
{
gboolean res;
- GstDecklinkSrc *decklinksrc;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "event");
-
- switch (GST_EVENT_TYPE (event)) {
- default:
- res = gst_pad_event_default (pad, event);
- break;
- }
-
- gst_object_unref (decklinksrc);
- return res;
-}
-
-static gboolean
-gst_decklink_src_audio_src_query (GstPad * pad, GstQuery * query)
-{
- gboolean res;
- GstDecklinkSrc *decklinksrc;
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "query");
+ GST_DEBUG_OBJECT (pad, "query: %" GST_PTR_FORMAT, query);
switch (GST_QUERY_TYPE (query)) {
- default:
- res = gst_pad_query_default (pad, query);
+ /* FIXME: report live-ness and latency for audio too */
+ case GST_QUERY_LATENCY:
+ GST_FIXME_OBJECT (parent, "should report live-ness and audio latency");
+ res = gst_pad_query_default (pad, parent, query);
break;
- }
-
- gst_object_unref (decklinksrc);
- return res;
-}
-
-static GstIterator *
-gst_decklink_src_audio_src_iterintlink (GstPad * pad)
-{
- GstDecklinkSrc *decklinksrc;
- GstIterator *iter;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "iterintlink");
-
- iter = gst_pad_iterate_internal_links_default (pad);
-
- gst_object_unref (decklinksrc);
- return iter;
-}
-
-
-static GstCaps *
-gst_decklink_src_video_src_getcaps (GstPad * pad)
-{
- GstDecklinkSrc *decklinksrc;
- GstCaps *caps;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "getcaps");
-
- caps = gst_decklink_mode_get_caps (decklinksrc->mode);
-
- gst_object_unref (decklinksrc);
- return caps;
-}
-
-static gboolean
-gst_decklink_src_video_src_setcaps (GstPad * pad, GstCaps * caps)
-{
- GstDecklinkSrc *decklinksrc;
- GstCaps *mode_caps;
- gboolean can_intersect;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "setcaps");
-
- mode_caps = gst_decklink_mode_get_caps (decklinksrc->mode);
- can_intersect = gst_caps_can_intersect (mode_caps, caps);
- gst_caps_unref (mode_caps);
-
- gst_object_unref (decklinksrc);
- return can_intersect;
-}
-
-static gboolean
-gst_decklink_src_video_src_acceptcaps (GstPad * pad, GstCaps * caps)
-{
- GstDecklinkSrc *decklinksrc;
- GstCaps *mode_caps;
- gboolean can_intersect;
-
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "acceptcaps");
-
- mode_caps = gst_decklink_mode_get_caps (decklinksrc->mode);
- can_intersect = gst_caps_can_intersect (mode_caps, caps);
- gst_caps_unref (mode_caps);
-
- gst_object_unref (decklinksrc);
- return can_intersect;
-}
-
-static void
-gst_decklink_src_video_src_fixatecaps (GstPad * pad, GstCaps * caps)
-{
- GstDecklinkSrc *decklinksrc;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "fixatecaps");
-
-
- gst_object_unref (decklinksrc);
-}
-
-static gboolean
-gst_decklink_src_video_src_activate (GstPad * pad)
-{
- GstDecklinkSrc *decklinksrc;
- gboolean ret;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "activate");
-
- if (gst_pad_check_pull_range (pad)) {
- GST_DEBUG_OBJECT (pad, "activating pull");
- ret = gst_pad_activate_pull (pad, TRUE);
- } else {
- GST_DEBUG_OBJECT (pad, "activating push");
- ret = gst_pad_activate_push (pad, TRUE);
- }
-
- gst_object_unref (decklinksrc);
- return ret;
-}
-
-static gboolean
-gst_decklink_src_video_src_activatepush (GstPad * pad, gboolean active)
-{
- GstDecklinkSrc *decklinksrc;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "activatepush");
-
-
- gst_object_unref (decklinksrc);
- return TRUE;
-}
-
-static gboolean
-gst_decklink_src_video_src_activatepull (GstPad * pad, gboolean active)
-{
- GstDecklinkSrc *decklinksrc;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "activatepull");
-
-
- gst_object_unref (decklinksrc);
- return FALSE;
-}
-
-static GstPadLinkReturn
-gst_decklink_src_video_src_link (GstPad * pad, GstPad * peer)
-{
- GstDecklinkSrc *decklinksrc;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "link");
-
-
- gst_object_unref (decklinksrc);
- return GST_PAD_LINK_OK;
-}
-
-static GstFlowReturn
-gst_decklink_src_video_src_getrange (GstPad * pad, guint64 offset, guint length,
- GstBuffer ** buffer)
-{
- GstDecklinkSrc *decklinksrc;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "getrange");
-
-
- gst_object_unref (decklinksrc);
- return GST_FLOW_OK;
-}
-
-static gboolean
-gst_decklink_src_video_src_event (GstPad * pad, GstEvent * event)
-{
- gboolean res;
- GstDecklinkSrc *decklinksrc;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "event");
-
- switch (GST_EVENT_TYPE (event)) {
default:
- res = gst_pad_event_default (pad, event);
+ res = gst_pad_query_default (pad, parent, query);
break;
}
- gst_object_unref (decklinksrc);
return res;
}
static gboolean
-gst_decklink_src_video_src_query (GstPad * pad, GstQuery * query)
+gst_decklink_src_video_src_query (GstPad * pad, GstObject * parent,
+ GstQuery * query)
{
- gboolean ret = FALSE;
GstDecklinkSrc *decklinksrc;
+ gboolean ret = FALSE;
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
+ decklinksrc = GST_DECKLINK_SRC (parent);
- GST_DEBUG_OBJECT (decklinksrc, "query");
+ GST_DEBUG_OBJECT (pad, "query: %" GST_PTR_FORMAT, query);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_LATENCY:{
break;
}
default:
- ret = gst_pad_query_default (pad, query);
+ ret = gst_pad_query_default (pad, parent, query);
break;
}
done:
- gst_object_unref (decklinksrc);
return ret;
}
-static GstIterator *
-gst_decklink_src_video_src_iterintlink (GstPad * pad)
-{
- GstDecklinkSrc *decklinksrc;
- GstIterator *iter;
-
- decklinksrc = GST_DECKLINK_SRC (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (decklinksrc, "iterintlink");
-
- iter = gst_pad_iterate_internal_links_default (pad);
-
- gst_object_unref (decklinksrc);
- return iter;
-}
-
static void
video_frame_free (void *data)
{
}
static void
+gst_decklink_src_send_initial_events (GstDecklinkSrc * src)
+{
+ GstSegment segment;
+ GstEvent *event;
+ guint32 audio_id, video_id;
+ gchar stream_id[9];
+
+ /* stream-start */
+ audio_id = g_random_int ();
+ video_id = g_random_int ();
+ while (video_id == audio_id)
+ video_id = g_random_int ();
+
+ g_snprintf (stream_id, sizeof (stream_id), "%08x", audio_id);
+ gst_pad_push_event (src->audiosrcpad, gst_event_new_stream_start (stream_id));
+
+ g_snprintf (stream_id, sizeof (stream_id), "%08x", video_id);
+ gst_pad_push_event (src->videosrcpad, gst_event_new_stream_start (stream_id));
+
+ /* segment */
+ gst_segment_init (&segment, GST_FORMAT_TIME);
+ event = gst_event_new_segment (&segment);
+ gst_pad_push_event (src->videosrcpad, gst_event_ref (event));
+ gst_pad_push_event (src->audiosrcpad, event);
+
+ /* caps */
+ gst_pad_push_event (src->audiosrcpad,
+ gst_event_new_caps (gst_caps_new_simple ("audio/x-raw",
+ "format", G_TYPE_STRING, "S16LE", "channels", G_TYPE_INT, 2,
+ "rate", G_TYPE_INT, 48000, NULL)));
+
+ gst_pad_push_event (src->videosrcpad,
+ gst_event_new_caps (gst_decklink_mode_get_caps (src->mode)));
+}
+
+static void
gst_decklink_src_task (void *priv)
{
GstDecklinkSrc *decklinksrc = GST_DECKLINK_SRC (priv);
IDeckLinkVideoInputFrame *video_frame;
IDeckLinkAudioInputPacket *audio_frame;
void *data;
+ gsize data_size;
int n_samples;
GstFlowReturn ret;
const GstDecklinkMode *mode;
+ gboolean discont = FALSE;
GST_DEBUG_OBJECT (decklinksrc, "task");
- g_mutex_lock (decklinksrc->mutex);
+ g_mutex_lock (&decklinksrc->mutex);
while (decklinksrc->video_frame == NULL && !decklinksrc->stop) {
- g_cond_wait (decklinksrc->cond, decklinksrc->mutex);
+ g_cond_wait (&decklinksrc->cond, &decklinksrc->mutex);
}
video_frame = decklinksrc->video_frame;
audio_frame = decklinksrc->audio_frame;
decklinksrc->video_frame = NULL;
decklinksrc->audio_frame = NULL;
- g_mutex_unlock (decklinksrc->mutex);
+ g_mutex_unlock (&decklinksrc->mutex);
if (decklinksrc->stop) {
if (video_frame)
}
/* warning on dropped frames */
+ /* FIXME: post QoS message */
if (decklinksrc->dropped_frames - decklinksrc->dropped_frames_old > 0) {
GST_ELEMENT_WARNING (decklinksrc, RESOURCE, READ,
("Dropped %d frame(s), for a total of %d frame(s)",
decklinksrc->dropped_frames - decklinksrc->dropped_frames_old,
decklinksrc->dropped_frames), (NULL));
decklinksrc->dropped_frames_old = decklinksrc->dropped_frames;
+ /* FIXME: discont = TRUE; ? */
}
- if (!decklinksrc->video_new_segment) {
- GstEvent *event;
- gboolean ret;
-
- event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
- 0, GST_CLOCK_TIME_NONE, 0);
-
- ret = gst_pad_push_event (decklinksrc->videosrcpad, event);
- if (!ret) {
- GST_WARNING ("new segment event not handled");
- }
-
- decklinksrc->video_new_segment = TRUE;
+ if (!decklinksrc->started) {
+ gst_decklink_src_send_initial_events (decklinksrc);
+ decklinksrc->started = TRUE;
}
mode = gst_decklink_get_mode (decklinksrc->mode);
video_frame->GetBytes (&data);
+
+ data_size = mode->width * mode->height * 2;
+
if (decklinksrc->copy_data) {
- buffer = gst_buffer_new_and_alloc (mode->width * mode->height * 2);
+ buffer = gst_buffer_new_and_alloc (data_size);
- memcpy (GST_BUFFER_DATA (buffer), data, mode->width * mode->height * 2);
+ gst_buffer_fill (buffer, 0, data, data_size);
video_frame->Release ();
} else {
VideoFrame *vf;
vf = (VideoFrame *) g_malloc0 (sizeof (VideoFrame));
- buffer = gst_buffer_new ();
- GST_BUFFER_SIZE (buffer) = mode->width * mode->height * 2;
- GST_BUFFER_DATA (buffer) = (guint8 *) data;
+ buffer = gst_buffer_new_wrapped_full ((GstMemoryFlags) 0, data, data_size,
+ 0, data_size, vf, (GDestroyNotify) video_frame_free);
- GST_BUFFER_FREE_FUNC (buffer) = video_frame_free;
- GST_BUFFER_MALLOCDATA (buffer) = (guint8 *) vf;
vf->frame = video_frame;
vf->input = decklinksrc->input;
vf->input->AddRef ();
gst_util_uint64_scale_int ((decklinksrc->frame_num + 1) * GST_SECOND,
mode->fps_d, mode->fps_n) - GST_BUFFER_TIMESTAMP (buffer);
GST_BUFFER_OFFSET (buffer) = decklinksrc->frame_num;
- GST_BUFFER_OFFSET_END (buffer) = decklinksrc->frame_num;
- if (decklinksrc->frame_num == 0) {
- GstEvent *event;
- gboolean ret;
+ GST_BUFFER_OFFSET_END (buffer) = decklinksrc->frame_num; /* FIXME: +1? */
- GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
-
- event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0,
- GST_CLOCK_TIME_NONE, 0);
+ /* FIXME: set video meta */
- if (gst_pad_is_linked (decklinksrc->videosrcpad)) {
- gst_event_ref (event);
- ret = gst_pad_push_event (decklinksrc->videosrcpad, event);
- if (!ret) {
- GST_ERROR_OBJECT (decklinksrc, "new segment event ret=%d", ret);
- gst_event_unref (event);
- return;
- }
- } else {
- gst_event_unref (event);
- }
-
- if (gst_pad_is_linked (decklinksrc->audiosrcpad)) {
- ret = gst_pad_push_event (decklinksrc->audiosrcpad, event);
- if (!ret) {
- GST_ERROR_OBJECT (decklinksrc, "new segment event ret=%d", ret);
- gst_event_unref (event);
- }
- } else {
- gst_event_unref (event);
- }
-
- }
+ if (decklinksrc->frame_num == 0)
+ discont = TRUE;
- if (decklinksrc->video_caps == NULL) {
- decklinksrc->video_caps = gst_decklink_mode_get_caps (decklinksrc->mode);
- }
- gst_buffer_set_caps (buffer, decklinksrc->video_caps);
+ if (discont)
+ GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
+ else
+ GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DISCONT);
+ /* FIXME: proper flow aggregation with audio flow */
ret = gst_pad_push (decklinksrc->videosrcpad, buffer);
if (!(ret == GST_FLOW_OK || ret == GST_FLOW_NOT_LINKED ||
- ret == GST_FLOW_WRONG_STATE)) {
+ ret == GST_FLOW_FLUSHING)) {
GST_ELEMENT_ERROR (decklinksrc, STREAM, FAILED,
("Internal data stream error."),
("stream stopped, reason %s", gst_flow_get_name (ret)));
}
if (gst_pad_is_linked (decklinksrc->audiosrcpad)) {
- if (!decklinksrc->audio_new_segment) {
- GstEvent *event;
- gboolean ret;
-
- event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
- 0, GST_CLOCK_TIME_NONE, 0);
-
- ret = gst_pad_push_event (decklinksrc->audiosrcpad, event);
- if (!ret) {
- GST_WARNING ("new segment event not handled");
- }
-
- decklinksrc->audio_new_segment = TRUE;
- }
-
n_samples = audio_frame->GetSampleFrameCount ();
audio_frame->GetBytes (&data);
audio_buffer = gst_buffer_new_and_alloc (n_samples * 2 * 2);
- memcpy (GST_BUFFER_DATA (audio_buffer), data, n_samples * 2 * 2);
+ gst_buffer_fill (audio_buffer, 0, data, n_samples * 2 * 2);
GST_BUFFER_TIMESTAMP (audio_buffer) =
gst_util_uint64_scale_int (decklinksrc->num_audio_samples * GST_SECOND,
1, 48000);
+ /* FIXME: should be next_timestamp - timestamp for perfect stream */
GST_BUFFER_DURATION (audio_buffer) =
gst_util_uint64_scale_int (n_samples * GST_SECOND, 1, 48000);
- decklinksrc->num_audio_samples += n_samples;
+ GST_BUFFER_OFFSET (audio_buffer) = decklinksrc->num_audio_samples;
+ GST_BUFFER_OFFSET_END (audio_buffer) =
+ GST_BUFFER_OFFSET (audio_buffer) + n_samples;
- if (decklinksrc->audio_caps == NULL) {
- decklinksrc->audio_caps = gst_caps_new_simple ("audio/x-raw-int",
- "endianness", G_TYPE_INT, G_LITTLE_ENDIAN,
- "signed", G_TYPE_BOOLEAN, TRUE,
- "depth", G_TYPE_INT, 16,
- "width", G_TYPE_INT, 16,
- "channels", G_TYPE_INT, 2, "rate", G_TYPE_INT, 48000, NULL);
- }
- gst_buffer_set_caps (audio_buffer, decklinksrc->audio_caps);
+ decklinksrc->num_audio_samples += n_samples;
+ /* FIXME: proper flow aggregation with video flow */
ret = gst_pad_push (decklinksrc->audiosrcpad, audio_buffer);
if (!(ret == GST_FLOW_OK || ret == GST_FLOW_NOT_LINKED ||
- ret == GST_FLOW_WRONG_STATE)) {
+ ret == GST_FLOW_FLUSHING)) {
GST_ELEMENT_ERROR (decklinksrc, STREAM, FAILED,
("Internal data stream error."),
("stream stopped, reason %s", gst_flow_get_name (ret)));
audio_frame->Release ();
}
-
-static const GList *
-gst_decklinksrc_probe_get_properties (GstPropertyProbe * probe)
-{
- GObjectClass *klass = G_OBJECT_GET_CLASS (probe);
- static GList *list = NULL;
- static gsize init = 0;
-
- if (g_once_init_enter (&init)) {
- list = g_list_append (NULL, g_object_class_find_property (klass, "device"));
-
- g_once_init_leave (&init, 1);
- }
-
- return list;
-}
-
-static gboolean probed = FALSE;
-static int n_devices;
-
+#if 0
+/* former device probe code, redux */
static void
-gst_decklinksrc_class_probe_devices (GstElementClass * klass)
+gst_decklinksrc_list_devices (void)
{
IDeckLinkIterator *iterator;
IDeckLink *decklink;
+ int n_devices;
n_devices = 0;
iterator = CreateDeckLinkIteratorInstance ();
}
iterator->Release();
- probed = TRUE;
-}
-
-static void
-gst_decklinksrc_probe_probe_property (GstPropertyProbe * probe,
- guint prop_id, const GParamSpec * pspec)
-{
- GstElementClass *klass = GST_ELEMENT_GET_CLASS (probe);
-
- switch (prop_id) {
- case PROP_DEVICE:
- gst_decklinksrc_class_probe_devices (klass);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
- break;
- }
-}
-
-static gboolean
-gst_decklinksrc_probe_needs_probe (GstPropertyProbe * probe,
- guint prop_id, const GParamSpec * pspec)
-{
- gboolean ret = FALSE;
-
- switch (prop_id) {
- case PROP_DEVICE:
- ret = !probed;
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
- break;
- }
- return ret;
-}
-
-static GValueArray *
-gst_decklinksrc_class_list_devices (GstElementClass * klass)
-{
- GValueArray *array;
- GValue value = { 0 };
- int i;
-
- array = g_value_array_new (n_devices);
- g_value_init (&value, G_TYPE_INT);
- for (i = 0; i < n_devices; i++) {
- g_value_set_int (&value, i);
- g_value_array_append (array, &value);
- }
- g_value_unset (&value);
-
- return array;
-}
-
-static GValueArray *
-gst_decklinksrc_probe_get_values (GstPropertyProbe * probe,
- guint prop_id, const GParamSpec * pspec)
-{
- GstElementClass *klass = GST_ELEMENT_GET_CLASS (probe);
- GValueArray *array = NULL;
-
- switch (prop_id) {
- case PROP_DEVICE:
- array = gst_decklinksrc_class_list_devices (klass);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
- break;
- }
-
- return array;
-}
-
-static void
-gst_decklinksrc_property_probe_interface_init (GstPropertyProbeInterface *
- iface)
-{
- iface->get_properties = gst_decklinksrc_probe_get_properties;
- iface->probe_property = gst_decklinksrc_probe_probe_property;
- iface->needs_probe = gst_decklinksrc_probe_needs_probe;
- iface->get_values = gst_decklinksrc_probe_get_values;
+ g_print ("%d devices\n", n_devices);
}
+#endif
projects / platform / upstream / gst-plugins-bad.git / commitdiff