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-rw-r--r--sys/decklink/gstdecklink.cpp32
-rw-r--r--sys/decklink/gstdecklink.h29
-rw-r--r--sys/decklink/gstdecklinksink.cpp225
-rw-r--r--sys/decklink/gstdecklinksink.h1
-rw-r--r--sys/decklink/gstdecklinksrc.cpp27
5 files changed, 225 insertions, 89 deletions
diff --git a/sys/decklink/gstdecklink.cpp b/sys/decklink/gstdecklink.cpp
index 9090c4695..d747fcf9d 100644
--- a/sys/decklink/gstdecklink.cpp
+++ b/sys/decklink/gstdecklink.cpp
@@ -95,7 +95,7 @@ gst_decklink_audio_connection_get_type (void)
static const GEnumValue connections[] = {
{GST_DECKLINK_AUDIO_CONNECTION_AUTO, "auto", "Automatic"},
{GST_DECKLINK_AUDIO_CONNECTION_EMBEDDED, "embedded",
- "SDI/HDMI embedded audio"},
+ "SDI/HDMI embedded audio"},
{GST_DECKLINK_AUDIO_CONNECTION_AES_EBU, "aes", "AES/EBU input"},
{GST_DECKLINK_AUDIO_CONNECTION_ANALOG, "analog", "Analog input"},
{0, NULL, NULL}
@@ -186,6 +186,36 @@ gst_decklink_mode_get_template_caps (void)
return caps;
}
+IDeckLink *
+gst_decklink_get_nth_device (int n)
+{
+ IDeckLinkIterator *iterator;
+ IDeckLink *decklink = NULL;
+ HRESULT ret;
+ int i;
+
+ iterator = CreateDeckLinkIteratorInstance ();
+ if (iterator == NULL) {
+ GST_ERROR ("no driver");
+ return NULL;
+ }
+
+ ret = iterator->Next (&decklink);
+ if (ret != S_OK) {
+ GST_ERROR ("no card");
+ return NULL;
+ }
+ for (i = 0; i < n; i++) {
+ ret = iterator->Next (&decklink);
+ if (ret != S_OK) {
+ GST_ERROR ("no card");
+ return NULL;
+ }
+ }
+
+ return decklink;
+}
+
static gboolean
plugin_init (GstPlugin * plugin)
{
diff --git a/sys/decklink/gstdecklink.h b/sys/decklink/gstdecklink.h
index bd1d1d30b..77c5cc43a 100644
--- a/sys/decklink/gstdecklink.h
+++ b/sys/decklink/gstdecklink.h
@@ -107,34 +107,7 @@ const GstDecklinkMode * gst_decklink_get_mode (GstDecklinkModeEnum e);
GstCaps * gst_decklink_mode_get_caps (GstDecklinkModeEnum e);
GstCaps * gst_decklink_mode_get_template_caps (void);
-#define GST_DECKLINK_MODE_CAPS(w,h,n,d,i) \
- "video/x-raw-yuv,format=(fourcc){ UYVY, v210 },width=" #w ",height=" #h \
- ",framerate=" #n "/" #d ",interlaced=" #i
-
-#define GST_DECKLINK_CAPS \
- GST_DECKLINK_MODE_CAPS(720,486,30000,1001,true) ";" \
- GST_DECKLINK_MODE_CAPS(720,486,24000,1001,true) ";" \
- GST_DECKLINK_MODE_CAPS(720,576,25,1,true) ";" \
- GST_DECKLINK_MODE_CAPS(720,486,30000,1001,false) ";" \
- GST_DECKLINK_MODE_CAPS(720,576,25,1,false) ";" \
- \
- GST_DECKLINK_MODE_CAPS(1920,1080,24000,1001,false) ";" \
- GST_DECKLINK_MODE_CAPS(1920,1080,24,1,false) ";" \
- GST_DECKLINK_MODE_CAPS(1920,1080,25,1,false) ";" \
- GST_DECKLINK_MODE_CAPS(1920,1080,30000,1001,false) ";" \
- GST_DECKLINK_MODE_CAPS(1920,1080,30,1,false) ";" \
- \
- GST_DECKLINK_MODE_CAPS(1920,1080,25,1,true) ";" \
- GST_DECKLINK_MODE_CAPS(1920,1080,30000,1001,true) ";" \
- GST_DECKLINK_MODE_CAPS(1920,1080,30,1,true) ";" \
- \
- GST_DECKLINK_MODE_CAPS(1920,1080,50,1,false) ";" \
- GST_DECKLINK_MODE_CAPS(1920,1080,60000,1001,false) ";" \
- GST_DECKLINK_MODE_CAPS(1920,1080,60,1,false) ";" \
- \
- GST_DECKLINK_MODE_CAPS(1280,720,50,1,false) ";" \
- GST_DECKLINK_MODE_CAPS(1280,720,60000,1001,false) ";" \
- GST_DECKLINK_MODE_CAPS(1280,720,60,1,false)
+IDeckLink * gst_decklink_get_nth_device (int n);
#endif
diff --git a/sys/decklink/gstdecklinksink.cpp b/sys/decklink/gstdecklinksink.cpp
index c979d0210..bbf08a73f 100644
--- a/sys/decklink/gstdecklinksink.cpp
+++ b/sys/decklink/gstdecklinksink.cpp
@@ -35,8 +35,8 @@
#endif
#include <gst/gst.h>
-#include <gst/glib-compat-private.h>
#include <gst/video/video.h>
+#include <gst/interfaces/propertyprobe.h>
#include "gstdecklink.h"
#include "gstdecklinksink.h"
#include <string.h>
@@ -118,24 +118,25 @@ static GstFlowReturn gst_decklink_sink_audiosink_bufferalloc (GstPad * pad,
guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf);
static GstIterator *gst_decklink_sink_audiosink_iterintlink (GstPad * pad);
+static void
+gst_decklink_sink_property_probe_interface_init (GstPropertyProbeInterface *
+ iface);
+
#ifdef _MSC_VER
/* COM initialization/uninitialization thread */
-static void gst_decklink_sink_com_thread (GstDecklinkSink * src);
+static void gst_decklink_sink_com_thread (GstDecklinkSink * sink);
#endif /* _MSC_VER */
enum
{
PROP_0,
- PROP_MODE
+ PROP_MODE,
+ PROP_DEVICE
};
/* pad templates */
-static GstStaticPadTemplate gst_decklink_sink_videosink_template =
-GST_STATIC_PAD_TEMPLATE ("videosink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_DECKLINK_CAPS));
+/* the video sink pad template is created on the fly */
static GstStaticPadTemplate gst_decklink_sink_audiosink_template =
GST_STATIC_PAD_TEMPLATE ("audiosink",
@@ -151,16 +152,37 @@ GST_STATIC_PAD_TEMPLATE ("audiosink",
GST_DEBUG_CATEGORY_INIT (gst_decklink_sink_debug_category, "decklinksink", 0, \
"debug category for decklinksink element");
+static void
+gst_decklink_sink_init_interfaces (GType type)
+{
+ static const GInterfaceInfo decklink_sink_propertyprobe_info = {
+ (GInterfaceInitFunc) gst_decklink_sink_property_probe_interface_init,
+ NULL,
+ NULL,
+ };
+
+ GST_DEBUG_CATEGORY_INIT (gst_decklink_sink_debug_category, "decklinksink", 0,
+ "debug category for decklinksink element");
+
+ g_type_add_interface_static (type, GST_TYPE_PROPERTY_PROBE,
+ &decklink_sink_propertyprobe_info);
+}
+
+
GST_BOILERPLATE_FULL (GstDecklinkSink, gst_decklink_sink, GstElement,
- GST_TYPE_ELEMENT, DEBUG_INIT);
+ GST_TYPE_ELEMENT, gst_decklink_sink_init_interfaces);
static void
gst_decklink_sink_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+ GstPadTemplate *pad_template;
- gst_element_class_add_static_pad_template (element_class,
- &gst_decklink_sink_videosink_template);
+ pad_template =
+ gst_pad_template_new ("videosink", GST_PAD_SINK, GST_PAD_ALWAYS,
+ gst_decklink_mode_get_template_caps ());
+ gst_element_class_add_pad_template (element_class, pad_template);
+ gst_object_unref (pad_template);
gst_element_class_add_static_pad_template (element_class,
&gst_decklink_sink_audiosink_template);
@@ -195,6 +217,12 @@ gst_decklink_sink_class_init (GstDecklinkSinkClass * klass)
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
+ 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)));
+
}
static void
@@ -203,8 +231,8 @@ gst_decklink_sink_init (GstDecklinkSink * decklinksink,
{
decklinksink->videosinkpad =
- gst_pad_new_from_static_template (&gst_decklink_sink_videosink_template,
- "sink");
+ gst_pad_new_from_template (gst_element_class_get_pad_template
+ (GST_ELEMENT_CLASS (decklinksink_class), "videosink"), "videosink");
gst_pad_set_getcaps_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_getcaps));
gst_pad_set_setcaps_function (decklinksink->videosinkpad,
@@ -272,6 +300,7 @@ gst_decklink_sink_init (GstDecklinkSink * decklinksink,
decklinksink->audio_mutex = g_mutex_new ();
decklinksink->mode = GST_DECKLINK_MODE_NTSC;
+ decklinksink->device = 0;
decklinksink->callback = new Output;
decklinksink->callback->decklinksink = decklinksink;
@@ -308,6 +337,9 @@ gst_decklink_sink_set_property (GObject * object, guint property_id,
case PROP_MODE:
decklinksink->mode = (GstDecklinkModeEnum) g_value_get_enum (value);
break;
+ case PROP_DEVICE:
+ decklinksink->device = g_value_get_int (value);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@@ -327,6 +359,9 @@ gst_decklink_sink_get_property (GObject * object, guint property_id,
case PROP_MODE:
g_value_set_enum (value, decklinksink->mode);
break;
+ case PROP_DEVICE:
+ g_value_set_int (value, decklinksink->device);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@@ -335,11 +370,11 @@ gst_decklink_sink_get_property (GObject * object, guint property_id,
#ifdef _MSC_VER
static void
-gst_decklink_sink_com_thread (GstDecklinkSink * src)
+gst_decklink_sink_com_thread (GstDecklinkSink * sink)
{
HRESULT res;
- g_mutex_lock (src->com_init_lock);
+ g_mutex_lock (sink->com_init_lock);
/* Initialize COM with a MTA for this process. This thread will
* be the first one to enter the apartement and the last one to leave
@@ -347,29 +382,29 @@ gst_decklink_sink_com_thread (GstDecklinkSink * src)
res = CoInitializeEx (0, COINIT_MULTITHREADED);
if (res == S_FALSE)
- GST_WARNING_OBJECT (src,
+ GST_WARNING_OBJECT (sink,
"COM has been already initialized in the same process");
else if (res == RPC_E_CHANGED_MODE)
- GST_WARNING_OBJECT (src, "The concurrency model of COM has changed.");
+ GST_WARNING_OBJECT (sink, "The concurrency model of COM has changed.");
else
- GST_INFO_OBJECT (src, "COM intialized succesfully");
+ GST_INFO_OBJECT (sink, "COM intialized succesfully");
- src->comInitialized = TRUE;
+ sink->comInitialized = TRUE;
/* Signal other threads waiting on this condition that COM was initialized */
- g_cond_signal (src->com_initialized);
+ g_cond_signal (sink->com_initialized);
- g_mutex_unlock (src->com_init_lock);
+ g_mutex_unlock (sink->com_init_lock);
/* Wait until the unitialize condition is met to leave the COM apartement */
- g_mutex_lock (src->com_deinit_lock);
- g_cond_wait (src->com_uninitialize, src->com_deinit_lock);
+ g_mutex_lock (sink->com_deinit_lock);
+ g_cond_wait (sink->com_uninitialize, sink->com_deinit_lock);
CoUninitialize ();
- GST_INFO_OBJECT (src, "COM unintialized succesfully");
- src->comInitialized = FALSE;
- g_cond_signal (src->com_uninitialized);
- g_mutex_unlock (src->com_deinit_lock);
+ GST_INFO_OBJECT (sink, "COM unintialized succesfully");
+ sink->comInitialized = FALSE;
+ g_cond_signal (sink->com_uninitialized);
+ g_mutex_unlock (sink->com_deinit_lock);
}
#endif /* _MSC_VER */
@@ -421,27 +456,19 @@ gst_decklink_sink_finalize (GObject * object)
static gboolean
gst_decklink_sink_start (GstDecklinkSink * decklinksink)
{
- IDeckLinkIterator *iterator;
HRESULT ret;
const GstDecklinkMode *mode;
BMDAudioSampleType sample_depth;
- iterator = CreateDeckLinkIteratorInstance ();
- if (iterator == NULL) {
- GST_ERROR ("no driver");
- return FALSE;
- }
-
- ret = iterator->Next (&decklinksink->decklink);
- if (ret != S_OK) {
- GST_ERROR ("no card");
+ decklinksink->decklink = gst_decklink_get_nth_device (decklinksink->device);
+ if (decklinksink->decklink) {
return FALSE;
}
ret = decklinksink->decklink->QueryInterface (IID_IDeckLinkOutput,
(void **) &decklinksink->output);
if (ret != S_OK) {
- GST_ERROR ("no output");
+ GST_ERROR ("selected device does not have output interface");
return FALSE;
}
@@ -1135,3 +1162,125 @@ Output::RenderAudioSamples (bool preroll)
return S_OK;
}
+
+
+static const GList *
+gst_decklink_sink_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;
+
+static void
+gst_decklink_sink_class_probe_devices (GstElementClass * klass)
+{
+ IDeckLinkIterator *iterator;
+ IDeckLink *decklink;
+
+ n_devices = 0;
+ iterator = CreateDeckLinkIteratorInstance ();
+ if (iterator) {
+ while (iterator->Next (&decklink) == S_OK) {
+ n_devices++;
+ }
+ }
+
+ probed = TRUE;
+}
+
+static void
+gst_decklink_sink_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_decklink_sink_class_probe_devices (klass);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+gst_decklink_sink_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_decklink_sink_class_list_devices (GstElementClass * klass)
+{
+ GValueArray *array;
+ GValue value = {
+ 0};
+ GList *item;
+ 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);
+
+ item = item->next;
+ }
+ g_value_unset (&value);
+
+ return array;
+}
+
+static GValueArray *
+gst_decklink_sink_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_decklink_sink_class_list_devices (klass);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
+ break;
+ }
+
+ return array;
+}
+
+static void
+gst_decklink_sink_property_probe_interface_init (GstPropertyProbeInterface *
+ iface)
+{
+ iface->get_properties = gst_decklink_sink_probe_get_properties;
+ iface->probe_property = gst_decklink_sink_probe_probe_property;
+ iface->needs_probe = gst_decklink_sink_probe_needs_probe;
+ iface->get_values = gst_decklink_sink_probe_get_values;
+}
diff --git a/sys/decklink/gstdecklinksink.h b/sys/decklink/gstdecklinksink.h
index 31d70cd78..20c47edc2 100644
--- a/sys/decklink/gstdecklinksink.h
+++ b/sys/decklink/gstdecklinksink.h
@@ -75,6 +75,7 @@ struct _GstDecklinkSink
/* properties */
GstDecklinkModeEnum mode;
+ int device;
#ifdef _MSC_VER
gboolean comInitialized;
diff --git a/sys/decklink/gstdecklinksrc.cpp b/sys/decklink/gstdecklinksrc.cpp
index 9fa07176a..710802304 100644
--- a/sys/decklink/gstdecklinksrc.cpp
+++ b/sys/decklink/gstdecklinksrc.cpp
@@ -510,7 +510,6 @@ static gboolean
gst_decklink_src_start (GstElement * element)
{
GstDecklinkSrc *decklinksrc = GST_DECKLINK_SRC (element);
- IDeckLinkIterator *iterator;
DeckLinkCaptureDelegate *delegate;
//IDeckLinkDisplayModeIterator *mode_iterator;
//IDeckLinkDisplayMode *mode;
@@ -521,33 +520,18 @@ gst_decklink_src_start (GstElement * element)
IDeckLinkConfiguration *config;
BMDVideoConnection conn;
BMDAudioConnection aconn;
- int i;
GST_DEBUG_OBJECT (decklinksrc, "start");
- iterator = CreateDeckLinkIteratorInstance ();
- if (iterator == NULL) {
- GST_ERROR ("no driver");
- return FALSE;
- }
-
- ret = iterator->Next (&decklinksrc->decklink);
- if (ret != S_OK) {
- GST_ERROR ("no card");
+ decklinksrc->decklink = gst_decklink_get_nth_device (decklinksrc->device);
+ if (decklinksrc->decklink == NULL) {
return FALSE;
}
- for (i = 0; i < decklinksrc->device; i++) {
- ret = iterator->Next (&decklinksrc->decklink);
- if (ret != S_OK) {
- GST_ERROR ("no card");
- return FALSE;
- }
- }
ret = decklinksrc->decklink->QueryInterface (IID_IDeckLinkInput,
(void **) &decklinksrc->input);
if (ret != S_OK) {
- GST_ERROR ("query interface failed");
+ GST_ERROR ("selected device does not have input interface");
return FALSE;
}
@@ -1401,8 +1385,7 @@ gst_decklinksrc_probe_get_properties (GstPropertyProbe * probe)
static gsize init = 0;
if (g_once_init_enter (&init)) {
- list =
- g_list_append (NULL, g_object_class_find_property (klass, "device"));
+ list = g_list_append (NULL, g_object_class_find_property (klass, "device"));
g_once_init_leave (&init, 1);
}
@@ -1411,7 +1394,7 @@ gst_decklinksrc_probe_get_properties (GstPropertyProbe * probe)
}
static gboolean probed = FALSE;
-int n_devices;
+static int n_devices;
static void
gst_decklinksrc_class_probe_devices (GstElementClass * klass)
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