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Add property for enabling/disabling of RP188 receival/transmission

Browse source 
Enabling this can lead to frame drops in certain setups so enabling it
always is not ideal.
This commit is contained in:
Sebastian Dröge 2022-12-05 12:37:01 +02:00
parent 1f6ea294db
commit 27fb7d380a
4 changed files with 37 additions and 4 deletions
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17
gstajasink.cpp
View file

@ -38,6 +38,7 @@ GST_DEBUG_CATEGORY_STATIC(gst_aja_sink_debug);
#define DEFAULT_OUTPUT_DESTINATION (GST_AJA_OUTPUT_DESTINATION_AUTO)
#define DEFAULT_SDI_MODE (GST_AJA_SDI_MODE_SINGLE_LINK)
#define DEFAULT_TIMECODE_INDEX (GST_AJA_TIMECODE_INDEX_VITC)
#define DEFAULT_RP188 (TRUE)
#define DEFAULT_REFERENCE_SOURCE (GST_AJA_REFERENCE_SOURCE_AUTO)
#define DEFAULT_CEA608_LINE_NUMBER (12)
#define DEFAULT_CEA708_LINE_NUMBER (12)
@ -54,6 +55,7 @@ enum {
PROP_OUTPUT_DESTINATION,
PROP_SDI_MODE,
PROP_TIMECODE_INDEX,
PROP_RP188,
PROP_REFERENCE_SOURCE,
PROP_CEA608_LINE_NUMBER,
PROP_CEA708_LINE_NUMBER,
@ -195,6 +197,13 @@ static void gst_aja_sink_class_init(GstAjaSinkClass *klass) {
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property(
gobject_class, PROP_RP188,
g_param_spec_boolean(
"rp188", "RP188", "Enable RP188 timecode transmission", DEFAULT_RP188,
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property(
gobject_class, PROP_REFERENCE_SOURCE,
g_param_spec_enum(
@ -311,6 +320,9 @@ void gst_aja_sink_set_property(GObject *object, guint property_id,
case PROP_TIMECODE_INDEX:
self->timecode_index = (GstAjaTimecodeIndex)g_value_get_enum(value);
break;
case PROP_RP188:
self->rp188 = g_value_get_boolean(value);
break;
case PROP_REFERENCE_SOURCE:
self->reference_source = (GstAjaReferenceSource)g_value_get_enum(value);
break;
@ -361,6 +373,9 @@ void gst_aja_sink_get_property(GObject *object, guint property_id,
case PROP_TIMECODE_INDEX:
g_value_set_enum(value, self->timecode_index);
break;
case PROP_RP188:
g_value_set_boolean(value, self->rp188);
break;
case PROP_REFERENCE_SOURCE:
g_value_set_enum(value, self->reference_source);
break;
@ -1917,7 +1932,7 @@ restart:
if (!self->device->device->AutoCirculateInitForOutput(
self->channel, 0, self->audio_system,
AUTOCIRCULATE_WITH_RP188 |
(self->rp188 ? AUTOCIRCULATE_WITH_RP188 : 0) |
(self->vanc_mode == ::NTV2_VANCMODE_OFF ? AUTOCIRCULATE_WITH_ANC
: 0),
1, start_frame, end_frame)) {

1
gstajasink.h
View file

@ -76,6 +76,7 @@ struct _GstAjaSink {
GstAjaOutputDestination output_destination;
GstAjaSdiMode sdi_mode;
GstAjaTimecodeIndex timecode_index;
gboolean rp188;
GstAjaReferenceSource reference_source;
gint cea608_line_number;

22
gstajasrc.cpp
View file

@ -42,6 +42,7 @@ GST_DEBUG_CATEGORY_STATIC(gst_aja_src_debug);
#define DEFAULT_AUDIO_SOURCE (GST_AJA_AUDIO_SOURCE_EMBEDDED)
#define DEFAULT_EMBEDDED_AUDIO_INPUT (GST_AJA_EMBEDDED_AUDIO_INPUT_AUTO)
#define DEFAULT_TIMECODE_INDEX (GST_AJA_TIMECODE_INDEX_VITC)
#define DEFAULT_RP188 (TRUE)
#define DEFAULT_REFERENCE_SOURCE (GST_AJA_REFERENCE_SOURCE_FREERUN)
#define DEFAULT_CLOSED_CAPTION_CAPTURE_MODE \
(GST_AJA_CLOSED_CAPTION_CAPTURE_MODE_CEA708_AND_CEA608)
@ -61,6 +62,7 @@ enum {
PROP_AUDIO_SOURCE,
PROP_EMBEDDED_AUDIO_INPUT,
PROP_TIMECODE_INDEX,
PROP_RP188,
PROP_REFERENCE_SOURCE,
PROP_CLOSED_CAPTION_CAPTURE_MODE,
PROP_START_FRAME,
@ -225,6 +227,13 @@ static void gst_aja_src_class_init(GstAjaSrcClass *klass) {
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property(
gobject_class, PROP_RP188,
g_param_spec_boolean(
"rp188", "RP188", "Enable RP188 timecode retrieval", DEFAULT_RP188,
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property(
gobject_class, PROP_REFERENCE_SOURCE,
g_param_spec_enum(
@ -354,6 +363,9 @@ void gst_aja_src_set_property(GObject *object, guint property_id,
case PROP_TIMECODE_INDEX:
self->timecode_index = (GstAjaTimecodeIndex)g_value_get_enum(value);
break;
case PROP_RP188:
self->rp188 = g_value_get_boolean(value);
break;
case PROP_REFERENCE_SOURCE:
self->reference_source = (GstAjaReferenceSource)g_value_get_enum(value);
break;
@ -411,6 +423,9 @@ void gst_aja_src_get_property(GObject *object, guint property_id, GValue *value,
case PROP_TIMECODE_INDEX:
g_value_set_enum(value, self->timecode_index);
break;
case PROP_RP188:
g_value_set_boolean(value, self->rp188);
break;
case PROP_REFERENCE_SOURCE:
g_value_set_enum(value, self->reference_source);
break;
@ -2084,9 +2099,10 @@ restart:
if (!self->device->device->AutoCirculateInitForInput(
self->channel, 0, self->audio_system,
AUTOCIRCULATE_WITH_RP188 | (self->vanc_mode == ::NTV2_VANCMODE_OFF
? AUTOCIRCULATE_WITH_ANC
: 0),
(self->rp188 ? AUTOCIRCULATE_WITH_RP188 : 0) |
(self->vanc_mode == ::NTV2_VANCMODE_OFF
? AUTOCIRCULATE_WITH_ANC
: 0),
1, start_frame, end_frame)) {
GST_ELEMENT_ERROR(self, STREAM, FAILED, (NULL),
("Failed to initialize autocirculate"));

1
gstajasrc.h
View file

@ -69,6 +69,7 @@ struct _GstAjaSrc {
GstAjaAudioSource audio_source;
GstAjaEmbeddedAudioInput embedded_audio_input;
GstAjaTimecodeIndex timecode_index;
gboolean rp188;
GstAjaReferenceSource reference_source;
GstAjaClosedCaptionCaptureMode closed_caption_capture_mode;
guint queue_size;