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gstreamer/gstajasrc.cpp

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/* GStreamer
* Copyright (C) 2021 Sebastian Dröge <sebastian@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
* Boston, MA 02110-1335, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ajaanc/includes/ancillarydata_cea708.h>
#include <ajaanc/includes/ancillarylist.h>
#include <ajantv2/includes/ntv2rp188.h>
#include "gstajacommon.h"
#include "gstajasrc.h"
GST_DEBUG_CATEGORY_STATIC(gst_aja_src_debug);
#define GST_CAT_DEFAULT gst_aja_src_debug
#define DEFAULT_DEVICE_IDENTIFIER ("0")
#define DEFAULT_CHANNEL (::NTV2_CHANNEL1)
// TODO: GST_AJA_VIDEO_FORMAT_AUTO
#define DEFAULT_VIDEO_FORMAT (GST_AJA_VIDEO_FORMAT_1080i_5000)
#define DEFAULT_AUDIO_SYSTEM (GST_AJA_AUDIO_SYSTEM_AUTO)
#define DEFAULT_INPUT_SOURCE (GST_AJA_INPUT_SOURCE_AUTO)
#define DEFAULT_AUDIO_SOURCE (GST_AJA_AUDIO_SOURCE_EMBEDDED)
#define DEFAULT_TIMECODE_INDEX (GST_AJA_TIMECODE_INDEX_VITC)
#define DEFAULT_REFERENCE_SOURCE (GST_AJA_REFERENCE_SOURCE_FREERUN)
#define DEFAULT_QUEUE_SIZE (16)
#define DEFAULT_CAPTURE_CPU_CORE (G_MAXUINT)
enum {
PROP_0,
PROP_DEVICE_IDENTIFIER,
PROP_CHANNEL,
PROP_VIDEO_FORMAT,
PROP_AUDIO_SYSTEM,
PROP_INPUT_SOURCE,
PROP_AUDIO_SOURCE,
PROP_TIMECODE_INDEX,
PROP_REFERENCE_SOURCE,
PROP_QUEUE_SIZE,
PROP_CAPTURE_CPU_CORE,
};
typedef enum {
QUEUE_ITEM_TYPE_FRAME,
} QueueItemType;
typedef struct {
QueueItemType type;
// For FRAME
GstClockTime capture_time;
GstBuffer *video_buffer;
GstBuffer *audio_buffer;
GstBuffer *anc_buffer, *anc_buffer2;
NTV2_RP188 tc;
} QueueItem;
static void gst_aja_src_set_property(GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec);
static void gst_aja_src_get_property(GObject *object, guint property_id,
GValue *value, GParamSpec *pspec);
static void gst_aja_src_finalize(GObject *object);
static GstCaps *gst_aja_src_get_caps(GstBaseSrc *bsrc, GstCaps *filter);
static gboolean gst_aja_src_query(GstBaseSrc *bsrc, GstQuery *query);
static gboolean gst_aja_src_unlock(GstBaseSrc *bsrc);
static gboolean gst_aja_src_unlock_stop(GstBaseSrc *bsrc);
static GstFlowReturn gst_aja_src_create(GstPushSrc *psrc, GstBuffer **buffer);
static gboolean gst_aja_src_open(GstAjaSrc *src);
static gboolean gst_aja_src_close(GstAjaSrc *src);
static gboolean gst_aja_src_start(GstAjaSrc *src);
static gboolean gst_aja_src_stop(GstAjaSrc *src);
static GstStateChangeReturn gst_aja_src_change_state(GstElement *element,
GstStateChange transition);
static void capture_thread_func(AJAThread *thread, void *data);
#define parent_class gst_aja_src_parent_class
G_DEFINE_TYPE(GstAjaSrc, gst_aja_src, GST_TYPE_PUSH_SRC);
static void gst_aja_src_class_init(GstAjaSrcClass *klass) {
GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
GstElementClass *element_class = GST_ELEMENT_CLASS(klass);
GstBaseSrcClass *basesrc_class = GST_BASE_SRC_CLASS(klass);
GstPushSrcClass *pushsrc_class = GST_PUSH_SRC_CLASS(klass);
GstCaps *templ_caps;
gobject_class->set_property = gst_aja_src_set_property;
gobject_class->get_property = gst_aja_src_get_property;
gobject_class->finalize = gst_aja_src_finalize;
g_object_class_install_property(
gobject_class, PROP_DEVICE_IDENTIFIER,
g_param_spec_string(
"device-identifier", "Device identifier",
"Input device instance to use", DEFAULT_DEVICE_IDENTIFIER,
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property(
gobject_class, PROP_CHANNEL,
g_param_spec_uint(
"channel", "Channel", "Channel to use", 0, NTV2_MAX_NUM_CHANNELS - 1,
DEFAULT_CHANNEL,
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property(
gobject_class, PROP_VIDEO_FORMAT,
g_param_spec_enum(
"video-format", "Video Format", "Video format to use",
GST_TYPE_AJA_VIDEO_FORMAT, DEFAULT_VIDEO_FORMAT,
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property(
gobject_class, PROP_QUEUE_SIZE,
g_param_spec_uint(
"queue-size", "Queue Size",
"Size of internal queue in number of video frames. "
"Half of this is allocated as device buffers and equal to the "
"latency.",
1, G_MAXINT, DEFAULT_QUEUE_SIZE,
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property(
gobject_class, PROP_AUDIO_SYSTEM,
g_param_spec_enum(
"audio-system", "Audio System", "Audio system to use",
GST_TYPE_AJA_AUDIO_SYSTEM, DEFAULT_AUDIO_SYSTEM,
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property(
gobject_class, PROP_INPUT_SOURCE,
g_param_spec_enum(
"input-source", "Input Source", "Input source to use",
GST_TYPE_AJA_INPUT_SOURCE, DEFAULT_INPUT_SOURCE,
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property(
gobject_class, PROP_AUDIO_SOURCE,
g_param_spec_enum(
"audio-source", "Audio Source", "Audio source to use",
GST_TYPE_AJA_AUDIO_SOURCE, DEFAULT_AUDIO_SOURCE,
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property(
gobject_class, PROP_TIMECODE_INDEX,
g_param_spec_enum(
"timecode-index", "Timecode Index", "Timecode index to use",
GST_TYPE_AJA_TIMECODE_INDEX, DEFAULT_TIMECODE_INDEX,
(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(
"reference-source", "Reference Source", "Reference source to use",
GST_TYPE_AJA_REFERENCE_SOURCE, DEFAULT_REFERENCE_SOURCE,
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
g_object_class_install_property(
gobject_class, PROP_CAPTURE_CPU_CORE,
g_param_spec_uint(
"capture-cpu-core", "Capture CPU Core",
"Sets the affinity of the capture thread to this CPU core "
"(-1=disabled)",
0, G_MAXUINT, DEFAULT_CAPTURE_CPU_CORE,
(GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT)));
element_class->change_state = GST_DEBUG_FUNCPTR(gst_aja_src_change_state);
basesrc_class->get_caps = GST_DEBUG_FUNCPTR(gst_aja_src_get_caps);
basesrc_class->negotiate = NULL;
basesrc_class->query = GST_DEBUG_FUNCPTR(gst_aja_src_query);
basesrc_class->unlock = GST_DEBUG_FUNCPTR(gst_aja_src_unlock);
basesrc_class->unlock_stop = GST_DEBUG_FUNCPTR(gst_aja_src_unlock_stop);
pushsrc_class->create = GST_DEBUG_FUNCPTR(gst_aja_src_create);
templ_caps = gst_ntv2_supported_caps(DEVICE_ID_INVALID);
gst_element_class_add_pad_template(
element_class,
gst_pad_template_new("src", GST_PAD_SRC, GST_PAD_ALWAYS, templ_caps));
gst_caps_unref(templ_caps);
gst_element_class_set_static_metadata(
element_class, "AJA audio/video src", "Audio/Video/Src",
"Captures audio/video frames with AJA devices",
"Sebastian Dröge <sebastian@centricular.com>");
GST_DEBUG_CATEGORY_INIT(gst_aja_src_debug, "ajasrc", 0, "AJA src");
}
static void gst_aja_src_init(GstAjaSrc *self) {
g_mutex_init(&self->queue_lock);
g_cond_init(&self->queue_cond);
self->device_identifier = g_strdup(DEFAULT_DEVICE_IDENTIFIER);
self->channel = DEFAULT_CHANNEL;
self->queue_size = DEFAULT_QUEUE_SIZE;
self->video_format_setting = DEFAULT_VIDEO_FORMAT;
self->audio_system_setting = DEFAULT_AUDIO_SYSTEM;
self->input_source = DEFAULT_INPUT_SOURCE;
self->audio_source = DEFAULT_AUDIO_SOURCE;
self->timecode_index = DEFAULT_TIMECODE_INDEX;
self->reference_source = DEFAULT_REFERENCE_SOURCE;
self->capture_cpu_core = DEFAULT_CAPTURE_CPU_CORE;
self->queue =
gst_queue_array_new_for_struct(sizeof(QueueItem), self->queue_size);
gst_base_src_set_live(GST_BASE_SRC_CAST(self), TRUE);
gst_base_src_set_format(GST_BASE_SRC_CAST(self), GST_FORMAT_TIME);
}
void gst_aja_src_set_property(GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec) {
GstAjaSrc *self = GST_AJA_SRC(object);
switch (property_id) {
case PROP_DEVICE_IDENTIFIER:
g_free(self->device_identifier);
self->device_identifier = g_value_dup_string(value);
break;
case PROP_CHANNEL:
self->channel = (NTV2Channel)g_value_get_uint(value);
break;
case PROP_QUEUE_SIZE:
self->queue_size = g_value_get_uint(value);
break;
case PROP_VIDEO_FORMAT:
self->video_format_setting = (GstAjaVideoFormat)g_value_get_enum(value);
break;
case PROP_AUDIO_SYSTEM:
self->audio_system_setting = (GstAjaAudioSystem)g_value_get_enum(value);
break;
case PROP_INPUT_SOURCE:
self->input_source = (GstAjaInputSource)g_value_get_enum(value);
break;
case PROP_AUDIO_SOURCE:
self->audio_source = (GstAjaAudioSource)g_value_get_enum(value);
break;
case PROP_TIMECODE_INDEX:
self->timecode_index = (GstAjaTimecodeIndex)g_value_get_enum(value);
break;
case PROP_REFERENCE_SOURCE:
self->reference_source = (GstAjaReferenceSource)g_value_get_enum(value);
break;
case PROP_CAPTURE_CPU_CORE:
self->capture_cpu_core = g_value_get_uint(value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
break;
}
}
void gst_aja_src_get_property(GObject *object, guint property_id, GValue *value,
GParamSpec *pspec) {
GstAjaSrc *self = GST_AJA_SRC(object);
switch (property_id) {
case PROP_DEVICE_IDENTIFIER:
g_value_set_string(value, self->device_identifier);
break;
case PROP_CHANNEL:
g_value_set_uint(value, self->channel);
break;
case PROP_QUEUE_SIZE:
g_value_set_uint(value, self->queue_size);
break;
case PROP_VIDEO_FORMAT:
g_value_set_enum(value, self->video_format_setting);
break;
case PROP_AUDIO_SYSTEM:
g_value_set_enum(value, self->audio_system_setting);
break;
case PROP_INPUT_SOURCE:
g_value_set_enum(value, self->input_source);
break;
case PROP_AUDIO_SOURCE:
g_value_set_enum(value, self->audio_source);
break;
case PROP_TIMECODE_INDEX:
g_value_set_enum(value, self->timecode_index);
break;
case PROP_REFERENCE_SOURCE:
g_value_set_enum(value, self->reference_source);
break;
case PROP_CAPTURE_CPU_CORE:
g_value_set_uint(value, self->capture_cpu_core);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
break;
}
}
void gst_aja_src_finalize(GObject *object) {
GstAjaSrc *self = GST_AJA_SRC(object);
g_assert(self->device == NULL);
g_assert(gst_queue_array_get_length(self->queue) == 0);
g_clear_pointer(&self->queue, gst_queue_array_free);
g_mutex_clear(&self->queue_lock);
g_cond_clear(&self->queue_cond);
G_OBJECT_CLASS(parent_class)->finalize(object);
}
static gboolean gst_aja_src_open(GstAjaSrc *self) {
GST_DEBUG_OBJECT(self, "Opening device");
g_assert(self->device == NULL);
self->device = gst_aja_device_obtain(self->device_identifier);
if (!self->device) {
GST_ERROR_OBJECT(self, "Failed to open device");
return FALSE;
}
if (!self->device->device->IsDeviceReady(false)) {
g_clear_pointer(&self->device, gst_aja_device_unref);
return FALSE;
}
self->device->device->SetEveryFrameServices(::NTV2_OEM_TASKS);
self->device_id = self->device->device->GetDeviceID();
std::string serial_number;
if (!self->device->device->GetSerialNumberString(serial_number))
serial_number = "none";
GST_DEBUG_OBJECT(self,
"Opened device with ID %d at index %d (%s, version %s, "
"serial number %s, can do VANC %d)",
self->device_id, self->device->device->GetIndexNumber(),
self->device->device->GetDisplayName().c_str(),
self->device->device->GetDeviceVersionString().c_str(),
serial_number.c_str(),
::NTV2DeviceCanDoCustomAnc(self->device_id));
GST_DEBUG_OBJECT(self,
"Using SDK version %d.%d.%d.%d (%s) and driver version %s",
AJA_NTV2_SDK_VERSION_MAJOR, AJA_NTV2_SDK_VERSION_MINOR,
AJA_NTV2_SDK_VERSION_POINT, AJA_NTV2_SDK_BUILD_NUMBER,
AJA_NTV2_SDK_BUILD_DATETIME,
self->device->device->GetDriverVersionString().c_str());
self->device->device->SetMultiFormatMode(true);
self->allocator = gst_aja_allocator_new(self->device);
GST_DEBUG_OBJECT(self, "Opened device");
return TRUE;
}
static gboolean gst_aja_src_close(GstAjaSrc *self) {
gst_clear_object(&self->allocator);
g_clear_pointer(&self->device, gst_aja_device_unref);
self->device_id = DEVICE_ID_INVALID;
GST_DEBUG_OBJECT(self, "Closed device");
return TRUE;
}
static gboolean gst_aja_src_start(GstAjaSrc *self) {
GST_DEBUG_OBJECT(self, "Starting");
{
// Make sure to globally lock here as the routing settings and others are
// global shared state
ShmMutexLocker locker;
switch (self->video_format_setting) {
// TODO: GST_AJA_VIDEO_FORMAT_AUTO
case GST_AJA_VIDEO_FORMAT_1080i_5000:
self->video_format = ::NTV2_FORMAT_1080i_5000;
break;
case GST_AJA_VIDEO_FORMAT_1080i_5994:
self->video_format = ::NTV2_FORMAT_1080i_5994;
break;
case GST_AJA_VIDEO_FORMAT_1080i_6000:
self->video_format = ::NTV2_FORMAT_1080i_6000;
break;
case GST_AJA_VIDEO_FORMAT_720p_5994:
self->video_format = ::NTV2_FORMAT_720p_5994;
break;
case GST_AJA_VIDEO_FORMAT_720p_6000:
self->video_format = ::NTV2_FORMAT_720p_6000;
break;
case GST_AJA_VIDEO_FORMAT_1080p_2997:
self->video_format = ::NTV2_FORMAT_1080p_2997;
break;
case GST_AJA_VIDEO_FORMAT_1080p_3000:
self->video_format = ::NTV2_FORMAT_1080p_3000;
break;
case GST_AJA_VIDEO_FORMAT_1080p_2500:
self->video_format = ::NTV2_FORMAT_1080p_2500;
break;
case GST_AJA_VIDEO_FORMAT_1080p_2398:
self->video_format = ::NTV2_FORMAT_1080p_2398;
break;
case GST_AJA_VIDEO_FORMAT_1080p_2400:
self->video_format = ::NTV2_FORMAT_1080p_2400;
break;
case GST_AJA_VIDEO_FORMAT_720p_5000:
self->video_format = ::NTV2_FORMAT_720p_5000;
break;
case GST_AJA_VIDEO_FORMAT_720p_2398:
self->video_format = ::NTV2_FORMAT_720p_2398;
break;
case GST_AJA_VIDEO_FORMAT_720p_2500:
self->video_format = ::NTV2_FORMAT_720p_2500;
break;
case GST_AJA_VIDEO_FORMAT_1080p_5000_A:
self->video_format = ::NTV2_FORMAT_1080p_5000_A;
break;
case GST_AJA_VIDEO_FORMAT_1080p_5994_A:
self->video_format = ::NTV2_FORMAT_1080p_5994_A;
break;
case GST_AJA_VIDEO_FORMAT_1080p_6000_A:
self->video_format = ::NTV2_FORMAT_1080p_6000_A;
break;
case GST_AJA_VIDEO_FORMAT_625_5000:
self->video_format = ::NTV2_FORMAT_625_5000;
break;
case GST_AJA_VIDEO_FORMAT_525_5994:
self->video_format = ::NTV2_FORMAT_525_5994;
break;
case GST_AJA_VIDEO_FORMAT_525_2398:
self->video_format = ::NTV2_FORMAT_525_2398;
break;
case GST_AJA_VIDEO_FORMAT_525_2400:
self->video_format = ::NTV2_FORMAT_525_2400;
break;
default:
g_assert_not_reached();
break;
}
if (!::NTV2DeviceCanDoVideoFormat(self->device_id, self->video_format)) {
GST_ERROR_OBJECT(self, "Device does not support mode %d",
(int)self->video_format);
return FALSE;
}
gst_clear_caps(&self->configured_caps);
self->configured_caps = gst_ntv2_video_format_to_caps(self->video_format);
gst_video_info_from_caps(&self->configured_info, self->configured_caps);
self->device->device->SetMode(self->channel, NTV2_MODE_CAPTURE, false);
GST_DEBUG_OBJECT(self, "Configuring video format %d on channel %d",
(int)self->video_format, (int)self->channel);
self->device->device->SetVideoFormat(self->video_format, false, false,
self->channel);
if (!::NTV2DeviceCanDoFrameBufferFormat(self->device_id,
::NTV2_FBF_10BIT_YCBCR)) {
GST_ERROR_OBJECT(self, "Device does not support frame buffer format %d",
(int)::NTV2_FBF_10BIT_YCBCR);
return FALSE;
}
self->device->device->SetFrameBufferFormat(self->channel,
::NTV2_FBF_10BIT_YCBCR);
self->device->device->DMABufferAutoLock(false, true, 0);
if (::NTV2DeviceHasBiDirectionalSDI(self->device_id))
self->device->device->SetSDITransmitEnable(self->channel, false);
// Always use the framebuffer associated with the channel
NTV2InputCrosspointID framebuffer_id =
::GetFrameBufferInputXptFromChannel(self->channel, false);
NTV2VANCMode vanc_mode;
NTV2InputSource input_source;
NTV2OutputCrosspointID input_source_id;
switch (self->input_source) {
case GST_AJA_INPUT_SOURCE_AUTO:
input_source = ::NTV2ChannelToInputSource(self->channel);
input_source_id =
::GetSDIInputOutputXptFromChannel(self->channel, false);
vanc_mode = ::NTV2DeviceCanDoCustomAnc(self->device_id)
? ::NTV2_VANCMODE_OFF
: ::NTV2_VANCMODE_TALL;
break;
case GST_AJA_INPUT_SOURCE_ANALOG1:
input_source = ::NTV2_INPUTSOURCE_ANALOG1;
input_source_id = ::NTV2_XptAnalogIn;
vanc_mode = ::NTV2_VANCMODE_TALL;
break;
case GST_AJA_INPUT_SOURCE_HDMI1:
input_source = ::NTV2_INPUTSOURCE_HDMI1;
input_source_id = ::NTV2_XptHDMIIn1;
vanc_mode = ::NTV2_VANCMODE_OFF;
break;
case GST_AJA_INPUT_SOURCE_HDMI2:
input_source = ::NTV2_INPUTSOURCE_HDMI2;
input_source_id = ::NTV2_XptHDMIIn2;
vanc_mode = ::NTV2_VANCMODE_OFF;
break;
case GST_AJA_INPUT_SOURCE_HDMI3:
input_source = ::NTV2_INPUTSOURCE_HDMI3;
input_source_id = ::NTV2_XptHDMIIn3;
vanc_mode = ::NTV2_VANCMODE_OFF;
break;
case GST_AJA_INPUT_SOURCE_HDMI4:
input_source = ::NTV2_INPUTSOURCE_HDMI4;
input_source_id = ::NTV2_XptHDMIIn4;
vanc_mode = ::NTV2_VANCMODE_OFF;
break;
case GST_AJA_INPUT_SOURCE_SDI1:
input_source = ::NTV2_INPUTSOURCE_SDI1;
input_source_id = ::NTV2_XptSDIIn1;
vanc_mode = ::NTV2_VANCMODE_TALL;
break;
case GST_AJA_INPUT_SOURCE_SDI2:
input_source = ::NTV2_INPUTSOURCE_SDI2;
input_source_id = ::NTV2_XptSDIIn2;
vanc_mode = ::NTV2_VANCMODE_TALL;
break;
case GST_AJA_INPUT_SOURCE_SDI3:
input_source = ::NTV2_INPUTSOURCE_SDI3;
input_source_id = ::NTV2_XptSDIIn3;
vanc_mode = ::NTV2_VANCMODE_TALL;
break;
case GST_AJA_INPUT_SOURCE_SDI4:
input_source = ::NTV2_INPUTSOURCE_SDI4;
input_source_id = ::NTV2_XptSDIIn4;
vanc_mode = ::NTV2_VANCMODE_TALL;
break;
case GST_AJA_INPUT_SOURCE_SDI5:
input_source = ::NTV2_INPUTSOURCE_SDI5;
input_source_id = ::NTV2_XptSDIIn5;
vanc_mode = ::NTV2_VANCMODE_TALL;
break;
case GST_AJA_INPUT_SOURCE_SDI6:
input_source = ::NTV2_INPUTSOURCE_SDI6;
input_source_id = ::NTV2_XptSDIIn6;
vanc_mode = ::NTV2_VANCMODE_TALL;
break;
case GST_AJA_INPUT_SOURCE_SDI7:
input_source = ::NTV2_INPUTSOURCE_SDI7;
input_source_id = ::NTV2_XptSDIIn7;
vanc_mode = ::NTV2_VANCMODE_TALL;
break;
case GST_AJA_INPUT_SOURCE_SDI8:
input_source = ::NTV2_INPUTSOURCE_SDI8;
input_source_id = ::NTV2_XptSDIIn8;
vanc_mode = ::NTV2_VANCMODE_TALL;
break;
default:
g_assert_not_reached();
break;
}
self->configured_input_source = input_source;
self->vanc_mode = vanc_mode;
self->device->device->SetEnableVANCData(NTV2_IS_VANCMODE_TALL(vanc_mode),
NTV2_IS_VANCMODE_TALLER(vanc_mode),
self->channel);
CNTV2SignalRouter router;
self->device->device->GetRouting(router);
// Need to remove old routes for the output and framebuffer we're going to
// use
NTV2ActualConnections connections = router.GetConnections();
for (NTV2ActualConnectionsConstIter iter = connections.begin();
iter != connections.end(); iter++) {
if (iter->first == framebuffer_id || iter->second == input_source_id)
router.RemoveConnection(iter->first, iter->second);
}
GST_DEBUG_OBJECT(self, "Creating connection %d - %d", framebuffer_id,
input_source_id);
router.AddConnection(framebuffer_id, input_source_id);
{
std::stringstream os;
CNTV2SignalRouter oldRouter;
self->device->device->GetRouting(oldRouter);
oldRouter.Print(os);
GST_DEBUG_OBJECT(self, "Previous routing:\n%s", os.str().c_str());
}
self->device->device->ApplySignalRoute(router, true);
{
std::stringstream os;
CNTV2SignalRouter currentRouter;
self->device->device->GetRouting(currentRouter);
currentRouter.Print(os);
GST_DEBUG_OBJECT(self, "New routing:\n%s", os.str().c_str());
}
switch (self->audio_system_setting) {
case GST_AJA_AUDIO_SYSTEM_1:
self->audio_system = ::NTV2_AUDIOSYSTEM_1;
break;
case GST_AJA_AUDIO_SYSTEM_2:
self->audio_system = ::NTV2_AUDIOSYSTEM_2;
break;
case GST_AJA_AUDIO_SYSTEM_3:
self->audio_system = ::NTV2_AUDIOSYSTEM_3;
break;
case GST_AJA_AUDIO_SYSTEM_4:
self->audio_system = ::NTV2_AUDIOSYSTEM_4;
break;
case GST_AJA_AUDIO_SYSTEM_5:
self->audio_system = ::NTV2_AUDIOSYSTEM_5;
break;
case GST_AJA_AUDIO_SYSTEM_6:
self->audio_system = ::NTV2_AUDIOSYSTEM_6;
break;
case GST_AJA_AUDIO_SYSTEM_7:
self->audio_system = ::NTV2_AUDIOSYSTEM_7;
break;
case GST_AJA_AUDIO_SYSTEM_8:
self->audio_system = ::NTV2_AUDIOSYSTEM_8;
break;
case GST_AJA_AUDIO_SYSTEM_AUTO:
self->audio_system = ::NTV2_AUDIOSYSTEM_1;
if (::NTV2DeviceGetNumAudioSystems(self->device_id) > 1)
self->audio_system = ::NTV2ChannelToAudioSystem(self->channel);
if (!::NTV2DeviceCanDoFrameStore1Display(self->device_id))
self->audio_system = ::NTV2_AUDIOSYSTEM_1;
break;
default:
g_assert_not_reached();
break;
}
GST_DEBUG_OBJECT(self, "Using audio system %d", self->audio_system);
NTV2AudioSource audio_source;
switch (self->audio_source) {
case GST_AJA_AUDIO_SOURCE_EMBEDDED:
audio_source = ::NTV2_AUDIO_EMBEDDED;
break;
case GST_AJA_AUDIO_SOURCE_AES:
audio_source = ::NTV2_AUDIO_AES;
break;
case GST_AJA_AUDIO_SOURCE_ANALOG:
audio_source = ::NTV2_AUDIO_ANALOG;
break;
case GST_AJA_AUDIO_SOURCE_HDMI:
audio_source = ::NTV2_AUDIO_HDMI;
break;
case GST_AJA_AUDIO_SOURCE_MIC:
audio_source = ::NTV2_AUDIO_MIC;
break;
default:
g_assert_not_reached();
break;
}
self->device->device->SetAudioSystemInputSource(
self->audio_system, audio_source,
::NTV2InputSourceToEmbeddedAudioInput(input_source));
self->configured_audio_channels =
::NTV2DeviceGetMaxAudioChannels(self->device_id);
self->device->device->SetNumberAudioChannels(
self->configured_audio_channels, self->audio_system);
self->device->device->SetAudioRate(::NTV2_AUDIO_48K, self->audio_system);
self->device->device->SetAudioBufferSize(::NTV2_AUDIO_BUFFER_BIG,
self->audio_system);
self->device->device->SetAudioLoopBack(::NTV2_AUDIO_LOOPBACK_OFF,
self->audio_system);
self->device->device->SetEmbeddedAudioClock(
::NTV2_EMBEDDED_AUDIO_CLOCK_VIDEO_INPUT, self->audio_system);
gst_caps_set_simple(self->configured_caps, "audio-channels", G_TYPE_INT,
self->configured_audio_channels, NULL);
NTV2ReferenceSource reference_source;
switch (self->reference_source) {
case GST_AJA_REFERENCE_SOURCE_AUTO:
reference_source = ::NTV2InputSourceToReferenceSource(input_source);
break;
case GST_AJA_REFERENCE_SOURCE_EXTERNAL:
reference_source = ::NTV2_REFERENCE_EXTERNAL;
break;
case GST_AJA_REFERENCE_SOURCE_FREERUN:
reference_source = ::NTV2_REFERENCE_FREERUN;
break;
case GST_AJA_REFERENCE_SOURCE_INPUT_1:
reference_source = ::NTV2_REFERENCE_INPUT1;
break;
case GST_AJA_REFERENCE_SOURCE_INPUT_2:
reference_source = ::NTV2_REFERENCE_INPUT2;
break;
case GST_AJA_REFERENCE_SOURCE_INPUT_3:
reference_source = ::NTV2_REFERENCE_INPUT3;
break;
case GST_AJA_REFERENCE_SOURCE_INPUT_4:
reference_source = ::NTV2_REFERENCE_INPUT4;
break;
case GST_AJA_REFERENCE_SOURCE_INPUT_5:
reference_source = ::NTV2_REFERENCE_INPUT5;
break;
case GST_AJA_REFERENCE_SOURCE_INPUT_6:
reference_source = ::NTV2_REFERENCE_INPUT6;
break;
case GST_AJA_REFERENCE_SOURCE_INPUT_7:
reference_source = ::NTV2_REFERENCE_INPUT7;
break;
case GST_AJA_REFERENCE_SOURCE_INPUT_8:
reference_source = ::NTV2_REFERENCE_INPUT8;
break;
default:
g_assert_not_reached();
break;
}
GST_DEBUG_OBJECT(self, "Configuring reference source %d",
(int)reference_source);
self->device->device->SetReference(reference_source);
switch (self->timecode_index) {
case GST_AJA_TIMECODE_INDEX_VITC:
self->tc_index = ::NTV2InputSourceToTimecodeIndex(input_source, false);
break;
case GST_AJA_TIMECODE_INDEX_ATC_LTC:
self->tc_index = ::NTV2InputSourceToTimecodeIndex(input_source, true);
break;
case GST_AJA_TIMECODE_INDEX_LTC1:
self->tc_index = ::NTV2_TCINDEX_LTC1;
break;
case GST_AJA_TIMECODE_INDEX_LTC2:
self->tc_index = ::NTV2_TCINDEX_LTC2;
break;
default:
g_assert_not_reached();
break;
}
}
guint video_buffer_size = ::GetVideoActiveSize(
self->video_format, ::NTV2_FBF_10BIT_YCBCR, self->vanc_mode);
self->buffer_pool = gst_buffer_pool_new();
GstStructure *config = gst_buffer_pool_get_config(self->buffer_pool);
gst_buffer_pool_config_set_params(config, NULL, video_buffer_size,
2 * self->queue_size, 0);
gst_buffer_pool_config_set_allocator(config, self->allocator, NULL);
gst_buffer_pool_set_config(self->buffer_pool, config);
gst_buffer_pool_set_active(self->buffer_pool, TRUE);
guint audio_buffer_size = 401 * 1024;
self->audio_buffer_pool = gst_buffer_pool_new();
config = gst_buffer_pool_get_config(self->audio_buffer_pool);
gst_buffer_pool_config_set_params(config, NULL, audio_buffer_size,
2 * self->queue_size, 0);
gst_buffer_pool_config_set_allocator(config, self->allocator, NULL);
gst_buffer_pool_set_config(self->audio_buffer_pool, config);
gst_buffer_pool_set_active(self->audio_buffer_pool, TRUE);
guint anc_buffer_size = 8 * 1024;
if (self->vanc_mode == ::NTV2_VANCMODE_OFF &&
::NTV2DeviceCanDoCustomAnc(self->device_id)) {
self->anc_buffer_pool = gst_buffer_pool_new();
config = gst_buffer_pool_get_config(self->anc_buffer_pool);
gst_buffer_pool_config_set_params(
config, NULL, anc_buffer_size,
(self->configured_info.interlace_mode ==
GST_VIDEO_INTERLACE_MODE_PROGRESSIVE
? 1
: 2) *
self->queue_size,
0);
gst_buffer_pool_config_set_allocator(config, self->allocator, NULL);
gst_buffer_pool_set_config(self->anc_buffer_pool, config);
gst_buffer_pool_set_active(self->anc_buffer_pool, TRUE);
}
self->capture_thread = new AJAThread();
self->capture_thread->Attach(capture_thread_func, self);
self->capture_thread->SetPriority(AJA_ThreadPriority_High);
self->capture_thread->Start();
g_mutex_lock(&self->queue_lock);
self->shutdown = FALSE;
self->playing = FALSE;
self->flushing = FALSE;
g_cond_signal(&self->queue_cond);
g_mutex_unlock(&self->queue_lock);
gst_element_post_message(GST_ELEMENT_CAST(self),
gst_message_new_latency(GST_OBJECT_CAST(self)));
return TRUE;
}
static gboolean gst_aja_src_stop(GstAjaSrc *self) {
QueueItem *item;
GST_DEBUG_OBJECT(self, "Stopping");
g_mutex_lock(&self->queue_lock);
self->shutdown = TRUE;
self->flushing = TRUE;
self->playing = FALSE;
g_cond_signal(&self->queue_cond);
g_mutex_unlock(&self->queue_lock);
if (self->capture_thread) {
self->capture_thread->Stop();
delete self->capture_thread;
self->capture_thread = NULL;
}
GST_OBJECT_LOCK(self);
gst_clear_caps(&self->configured_caps);
self->configured_audio_channels = 0;
GST_OBJECT_UNLOCK(self);
while ((item = (QueueItem *)gst_queue_array_pop_head_struct(self->queue))) {
if (item->type == QUEUE_ITEM_TYPE_FRAME) {
gst_clear_buffer(&item->video_buffer);
gst_clear_buffer(&item->audio_buffer);
gst_clear_buffer(&item->anc_buffer);
gst_clear_buffer(&item->anc_buffer2);
}
}
if (self->buffer_pool) {
gst_buffer_pool_set_active(self->buffer_pool, FALSE);
gst_clear_object(&self->buffer_pool);
}
if (self->audio_buffer_pool) {
gst_buffer_pool_set_active(self->audio_buffer_pool, FALSE);
gst_clear_object(&self->audio_buffer_pool);
}
if (self->anc_buffer_pool) {
gst_buffer_pool_set_active(self->anc_buffer_pool, FALSE);
gst_clear_object(&self->anc_buffer_pool);
}
GST_DEBUG_OBJECT(self, "Stopped");
return TRUE;
}
static GstStateChangeReturn gst_aja_src_change_state(
GstElement *element, GstStateChange transition) {
GstAjaSrc *self = GST_AJA_SRC(element);
GstStateChangeReturn ret;
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!gst_aja_src_open(self)) return GST_STATE_CHANGE_FAILURE;
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
if (!gst_aja_src_start(self)) return GST_STATE_CHANGE_FAILURE;
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS(parent_class)->change_state(element, transition);
if (ret == GST_STATE_CHANGE_FAILURE) return ret;
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
g_mutex_lock(&self->queue_lock);
self->playing = FALSE;
g_cond_signal(&self->queue_cond);
g_mutex_unlock(&self->queue_lock);
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
g_mutex_lock(&self->queue_lock);
self->playing = TRUE;
g_cond_signal(&self->queue_cond);
g_mutex_unlock(&self->queue_lock);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (!gst_aja_src_stop(self)) return GST_STATE_CHANGE_FAILURE;
break;
case GST_STATE_CHANGE_READY_TO_NULL:
if (!gst_aja_src_close(self)) return GST_STATE_CHANGE_FAILURE;
break;
default:
break;
}
return ret;
}
static GstCaps *gst_aja_src_get_caps(GstBaseSrc *bsrc, GstCaps *filter) {
GstAjaSrc *self = GST_AJA_SRC(bsrc);
GstCaps *caps;
if (self->device) {
caps = gst_ntv2_supported_caps(self->device_id);
} else {
caps = gst_pad_get_pad_template_caps(GST_BASE_SRC_PAD(self));
}
if (filter) {
GstCaps *tmp =
gst_caps_intersect_full(filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref(caps);
caps = tmp;
}
return caps;
}
static gboolean gst_aja_src_query(GstBaseSrc *bsrc, GstQuery *query) {
GstAjaSrc *self = GST_AJA_SRC(bsrc);
gboolean ret = TRUE;
switch (GST_QUERY_TYPE(query)) {
case GST_QUERY_LATENCY: {
if (self->configured_caps) {
GstClockTime min, max;
min = gst_util_uint64_scale_ceil(GST_SECOND,
3 * self->configured_info.fps_d,
self->configured_info.fps_n);
max = self->queue_size * min;
gst_query_set_latency(query, TRUE, min, max);
ret = TRUE;
} else {
ret = FALSE;
}
return ret;
}
default:
return GST_BASE_SRC_CLASS(parent_class)->query(bsrc, query);
break;
}
}
static gboolean gst_aja_src_unlock(GstBaseSrc *bsrc) {
GstAjaSrc *self = GST_AJA_SRC(bsrc);
g_mutex_lock(&self->queue_lock);
self->flushing = TRUE;
g_cond_signal(&self->queue_cond);
g_mutex_unlock(&self->queue_lock);
return TRUE;
}
static gboolean gst_aja_src_unlock_stop(GstBaseSrc *bsrc) {
GstAjaSrc *self = GST_AJA_SRC(bsrc);
g_mutex_lock(&self->queue_lock);
self->flushing = FALSE;
g_mutex_unlock(&self->queue_lock);
return TRUE;
}
static GstFlowReturn gst_aja_src_create(GstPushSrc *psrc, GstBuffer **buffer) {
GstAjaSrc *self = GST_AJA_SRC(psrc);
GstFlowReturn flow_ret = GST_FLOW_OK;
QueueItem item;
g_mutex_lock(&self->queue_lock);
while (gst_queue_array_is_empty(self->queue) && !self->flushing) {
g_cond_wait(&self->queue_cond, &self->queue_lock);
}
if (self->flushing) {
g_mutex_unlock(&self->queue_lock);
GST_DEBUG_OBJECT(self, "Flushing");
return GST_FLOW_FLUSHING;
}
item = *(QueueItem *)gst_queue_array_pop_head_struct(self->queue);
g_mutex_unlock(&self->queue_lock);
*buffer = item.video_buffer;
gst_buffer_add_aja_audio_meta(*buffer, item.audio_buffer);
gst_buffer_unref(item.audio_buffer);
if (item.tc.IsValid()) {
TimecodeFormat tc_format = ::kTCFormatUnknown;
GstVideoTimeCodeFlags flags = GST_VIDEO_TIME_CODE_FLAGS_NONE;
if (self->configured_info.fps_n == 24 && self->configured_info.fps_d == 1) {
tc_format = kTCFormat24fps;
} else if (self->configured_info.fps_n == 25 &&
self->configured_info.fps_d == 1) {
tc_format = kTCFormat25fps;
} else if (self->configured_info.fps_n == 30 &&
self->configured_info.fps_d == 1) {
tc_format = kTCFormat30fps;
} else if (self->configured_info.fps_n == 30000 &&
self->configured_info.fps_d == 1001) {
tc_format = kTCFormat30fpsDF;
flags =
(GstVideoTimeCodeFlags)(flags | GST_VIDEO_TIME_CODE_FLAGS_DROP_FRAME);
} else if (self->configured_info.fps_n == 48 &&
self->configured_info.fps_d == 1) {
tc_format = kTCFormat48fps;
} else if (self->configured_info.fps_n == 50 &&
self->configured_info.fps_d == 1) {
tc_format = kTCFormat50fps;
} else if (self->configured_info.fps_n == 60 &&
self->configured_info.fps_d == 1) {
tc_format = kTCFormat60fps;
} else if (self->configured_info.fps_n == 60000 &&
self->configured_info.fps_d == 1001) {
tc_format = kTCFormat60fpsDF;
flags =
(GstVideoTimeCodeFlags)(flags | GST_VIDEO_TIME_CODE_FLAGS_DROP_FRAME);
}
if (self->configured_info.interlace_mode !=
GST_VIDEO_INTERLACE_MODE_PROGRESSIVE)
flags =
(GstVideoTimeCodeFlags)(flags | GST_VIDEO_TIME_CODE_FLAGS_INTERLACED);
CRP188 rp188(item.tc, tc_format);
guint hours, minutes, seconds, frames;
rp188.GetRP188Hrs(hours);
rp188.GetRP188Mins(minutes);
rp188.GetRP188Secs(seconds);
rp188.GetRP188Frms(frames);
GstVideoTimeCode tc;
gst_video_time_code_init(&tc, self->configured_info.fps_n,
self->configured_info.fps_d, NULL, flags, hours,
minutes, seconds, frames, 0);
gst_buffer_add_video_time_code_meta(*buffer, &tc);
}
AJAAncillaryList anc_packets;
if (item.anc_buffer) {
GstMapInfo map = GST_MAP_INFO_INIT;
GstMapInfo map2 = GST_MAP_INFO_INIT;
gst_buffer_map(item.anc_buffer, &map, GST_MAP_READ);
if (item.anc_buffer2) gst_buffer_map(item.anc_buffer2, &map2, GST_MAP_READ);
NTV2_POINTER ptr1(map.data, map.size);
NTV2_POINTER ptr2(map2.data, map2.size);
AJAAncillaryList::SetFromDeviceAncBuffers(ptr1, ptr2, anc_packets);
if (item.anc_buffer2) gst_buffer_unmap(item.anc_buffer2, &map2);
gst_buffer_unmap(item.anc_buffer, &map);
} else if (self->vanc_mode != ::NTV2_VANCMODE_OFF) {
GstMapInfo map;
NTV2FormatDescriptor format_desc(self->video_format, ::NTV2_FBF_10BIT_YCBCR,
self->vanc_mode);
gst_buffer_map(item.video_buffer, &map, GST_MAP_READ);
NTV2_POINTER ptr(map.data, map.size);
AJAAncillaryList::SetFromVANCData(ptr, format_desc, anc_packets);
gst_buffer_unmap(item.video_buffer, &map);
guint offset =
format_desc.RasterLineToByteOffset(format_desc.GetFirstActiveLine());
guint size = format_desc.GetVisibleRasterBytes();
gst_buffer_resize(item.video_buffer, offset, size);
}
gst_clear_buffer(&item.anc_buffer);
gst_clear_buffer(&item.anc_buffer2);
if (anc_packets.CountAncillaryDataWithType(AJAAncillaryDataType_Cea708)) {
AJAAncillaryData packet =
anc_packets.GetAncillaryDataWithType(AJAAncillaryDataType_Cea708);
if (packet.GetPayloadData() && packet.GetPayloadByteCount() &&
AJA_SUCCESS(packet.ParsePayloadData())) {
gst_buffer_add_video_caption_meta(
*buffer, GST_VIDEO_CAPTION_TYPE_CEA708_CDP, packet.GetPayloadData(),
packet.GetPayloadByteCount());
}
}
// TODO: Add AFD/Bar meta
if (!gst_pad_has_current_caps(GST_BASE_SRC_PAD(self))) {
gst_base_src_set_caps(GST_BASE_SRC_CAST(self), self->configured_caps);
}
return flow_ret;
}
static void capture_thread_func(AJAThread *thread, void *data) {
GstAjaSrc *self = GST_AJA_SRC(data);
GstClock *clock = NULL;
AUTOCIRCULATE_TRANSFER transfer;
guint64 frames_dropped_last = G_MAXUINT64;
gboolean have_signal = TRUE;
if (self->capture_cpu_core != G_MAXUINT) {
cpu_set_t mask;
pthread_t current_thread = pthread_self();
CPU_ZERO(&mask);
CPU_SET(self->capture_cpu_core, &mask);
if (pthread_setaffinity_np(current_thread, sizeof(mask), &mask) != 0) {
GST_ERROR_OBJECT(self,
"Failed to set affinity for current thread to core %u",
self->capture_cpu_core);
}
}
g_mutex_lock(&self->queue_lock);
restart:
GST_DEBUG_OBJECT(self, "Waiting for playing or shutdown");
while (!self->playing && !self->shutdown)
g_cond_wait(&self->queue_cond, &self->queue_lock);
if (self->shutdown) {
GST_DEBUG_OBJECT(self, "Shutting down");
g_mutex_unlock(&self->queue_lock);
return;
}
GST_DEBUG_OBJECT(self, "Starting capture");
g_mutex_unlock(&self->queue_lock);
// TODO: Wait for stable input signal
if (!self->device->device->EnableChannel(self->channel)) {
GST_ELEMENT_ERROR(self, STREAM, FAILED, (NULL),
("Failed to enable channel"));
goto out;
}
{
// Make sure to globally lock here as the routing settings and others are
// global shared state
ShmMutexLocker locker;
self->device->device->AutoCirculateStop(self->channel);
self->device->device->EnableInputInterrupt(self->channel);
self->device->device->SubscribeInputVerticalEvent(self->channel);
if (!self->device->device->AutoCirculateInitForInput(
self->channel, self->queue_size / 2, self->audio_system,
AUTOCIRCULATE_WITH_RP188 |
(self->vanc_mode == ::NTV2_VANCMODE_OFF ? AUTOCIRCULATE_WITH_ANC
: 0),
1)) {
GST_ELEMENT_ERROR(self, STREAM, FAILED, (NULL),
("Failed to initialize autocirculate"));
goto out;
}
self->device->device->AutoCirculateStart(self->channel);
}
gst_clear_object(&clock);
clock = gst_element_get_clock(GST_ELEMENT_CAST(self));
frames_dropped_last = G_MAXUINT64;
have_signal = TRUE;
g_mutex_lock(&self->queue_lock);
while (self->playing && !self->shutdown) {
// Check for valid signal first
NTV2VideoFormat current_video_format =
self->device->device->GetInputVideoFormat(
self->configured_input_source);
if (current_video_format == ::NTV2_FORMAT_UNKNOWN) {
GST_DEBUG_OBJECT(self, "No signal, waiting");
g_mutex_unlock(&self->queue_lock);
self->device->device->WaitForInputVerticalInterrupt(self->channel);
frames_dropped_last = G_MAXUINT64;
if (have_signal) {
GST_ELEMENT_WARNING(GST_ELEMENT(self), RESOURCE, READ, ("Signal lost"),
("No input source was detected"));
have_signal = FALSE;
}
g_mutex_lock(&self->queue_lock);
continue;
} else if (current_video_format != self->video_format) {
// TODO: Handle GST_AJA_VIDEO_FORMAT_AUTO here
GST_DEBUG_OBJECT(self,
"Different input format %u than configured %u, waiting",
current_video_format, self->video_format);
g_mutex_unlock(&self->queue_lock);
self->device->device->WaitForInputVerticalInterrupt(self->channel);
frames_dropped_last = G_MAXUINT64;
if (have_signal) {
GST_ELEMENT_WARNING(GST_ELEMENT(self), RESOURCE, READ, ("Signal lost"),
("Different input source was detected"));
have_signal = FALSE;
}
g_mutex_lock(&self->queue_lock);
continue;
}
if (!have_signal) {
GST_ELEMENT_INFO(GST_ELEMENT(self), RESOURCE, READ, ("Signal recovered"),
("Input source detected"));
have_signal = TRUE;
}
AUTOCIRCULATE_STATUS status;
self->device->device->AutoCirculateGetStatus(self->channel, status);
GST_TRACE_OBJECT(self,
"Start frame %d "
"end frame %d "
"active frame %d "
"start time %" G_GUINT64_FORMAT
" "
"current time %" G_GUINT64_FORMAT
" "
"frames processed %u "
"frames dropped %u "
"buffer level %u",
status.acStartFrame, status.acEndFrame,
status.acActiveFrame, status.acRDTSCStartTime,
status.acRDTSCCurrentTime, status.acFramesProcessed,
status.acFramesDropped, status.acBufferLevel);
if (frames_dropped_last == G_MAXUINT64) {
frames_dropped_last = status.acFramesDropped;
} else if (frames_dropped_last < status.acFramesDropped) {
GST_WARNING_OBJECT(self, "Dropped %" G_GUINT64_FORMAT " frames",
status.acFramesDropped - frames_dropped_last);
GstClockTime timestamp =
gst_util_uint64_scale(status.acFramesProcessed + frames_dropped_last,
self->configured_info.fps_n,
self->configured_info.fps_d * GST_SECOND);
GstClockTime timestamp_end = gst_util_uint64_scale(
status.acFramesProcessed + status.acFramesDropped,
self->configured_info.fps_n,
self->configured_info.fps_d * GST_SECOND);
GstMessage *msg = gst_message_new_qos(
GST_OBJECT_CAST(self), TRUE, GST_CLOCK_TIME_NONE, GST_CLOCK_TIME_NONE,
timestamp, timestamp_end - timestamp);
gst_element_post_message(GST_ELEMENT_CAST(self), msg);
frames_dropped_last = status.acFramesDropped;
}
if (status.IsRunning() && status.acBufferLevel > 1) {
GstBuffer *video_buffer = NULL;
GstBuffer *audio_buffer = NULL;
GstBuffer *anc_buffer = NULL, *anc_buffer2 = NULL;
GstMapInfo video_map = GST_MAP_INFO_INIT;
GstMapInfo audio_map = GST_MAP_INFO_INIT;
GstMapInfo anc_map = GST_MAP_INFO_INIT;
GstMapInfo anc_map2 = GST_MAP_INFO_INIT;
AUTOCIRCULATE_TRANSFER transfer;
if (gst_buffer_pool_acquire_buffer(self->buffer_pool, &video_buffer,
NULL) != GST_FLOW_OK) {
GST_ELEMENT_ERROR(self, STREAM, FAILED, (NULL),
("Failed to acquire video buffer"));
break;
}
if (gst_buffer_pool_acquire_buffer(self->audio_buffer_pool, &audio_buffer,
NULL) != GST_FLOW_OK) {
gst_buffer_unref(video_buffer);
GST_ELEMENT_ERROR(self, STREAM, FAILED, (NULL),
("Failed to acquire audio buffer"));
break;
}
if (self->vanc_mode == ::NTV2_VANCMODE_OFF &&
::NTV2DeviceCanDoCustomAnc(self->device_id)) {
if (gst_buffer_pool_acquire_buffer(self->anc_buffer_pool, &anc_buffer,
NULL) != GST_FLOW_OK) {
gst_buffer_unref(audio_buffer);
gst_buffer_unref(video_buffer);
GST_ELEMENT_ERROR(self, STREAM, FAILED, (NULL),
("Failed to acquire anc buffer"));
break;
}
if (self->configured_info.interlace_mode !=
GST_VIDEO_INTERLACE_MODE_PROGRESSIVE) {
if (gst_buffer_pool_acquire_buffer(
self->anc_buffer_pool, &anc_buffer2, NULL) != GST_FLOW_OK) {
gst_buffer_unref(anc_buffer);
gst_buffer_unref(audio_buffer);
gst_buffer_unref(video_buffer);
GST_ELEMENT_ERROR(self, STREAM, FAILED, (NULL),
("Failed to acquire anc buffer"));
break;
}
}
}
gst_buffer_map(video_buffer, &video_map, GST_MAP_READWRITE);
gst_buffer_map(audio_buffer, &audio_map, GST_MAP_READWRITE);
if (anc_buffer) gst_buffer_map(anc_buffer, &anc_map, GST_MAP_READWRITE);
if (anc_buffer2)
gst_buffer_map(anc_buffer2, &anc_map2, GST_MAP_READWRITE);
transfer.acFrameBufferFormat = ::NTV2_FBF_10BIT_YCBCR;
transfer.SetVideoBuffer((ULWord *)video_map.data, video_map.size);
transfer.SetAudioBuffer((ULWord *)audio_map.data, audio_map.size);
transfer.SetAncBuffers((ULWord *)anc_map.data, anc_map.size,
(ULWord *)anc_map2.data, anc_map2.size);
g_mutex_unlock(&self->queue_lock);
bool transfered = true;
if (!self->device->device->AutoCirculateTransfer(self->channel,
transfer)) {
GST_WARNING_OBJECT(self, "Failed to transfer frame");
transfered = false;
}
if (anc_buffer2) gst_buffer_unmap(anc_buffer2, &anc_map2);
if (anc_buffer) gst_buffer_unmap(anc_buffer, &anc_map);
gst_buffer_unmap(audio_buffer, &audio_map);
gst_buffer_unmap(video_buffer, &video_map);
g_mutex_lock(&self->queue_lock);
if (!transfered) {
gst_clear_buffer(&anc_buffer2);
gst_clear_buffer(&anc_buffer);
gst_clear_buffer(&audio_buffer);
gst_clear_buffer(&video_buffer);
continue;
}
gst_buffer_set_size(audio_buffer, transfer.GetCapturedAudioByteCount());
if (anc_buffer)
gst_buffer_set_size(anc_buffer,
transfer.GetCapturedAncByteCount(false));
if (anc_buffer2)
gst_buffer_set_size(anc_buffer2,
transfer.GetCapturedAncByteCount(true));
NTV2_RP188 time_code;
transfer.acTransferStatus.acFrameStamp.GetInputTimeCode(time_code,
self->tc_index);
gint64 frame_time = transfer.acTransferStatus.acFrameStamp.acFrameTime;
gint64 now_sys = g_get_real_time();
GstClockTime now_gst = gst_clock_get_time(clock);
if (now_sys * 10 > frame_time) {
GstClockTime diff = now_sys * 1000 - frame_time * 100;
if (now_gst > diff)
now_gst -= diff;
else
now_gst = 0;
}
GstClockTime base_time =
gst_element_get_base_time(GST_ELEMENT_CAST(self));
if (now_gst > base_time)
now_gst -= base_time;
else
now_gst = 0;
GST_BUFFER_PTS(video_buffer) = now_gst;
GST_BUFFER_PTS(audio_buffer) = now_gst;
// TODO: Drift detection and compensation
QueueItem item = {.type = QUEUE_ITEM_TYPE_FRAME,
.capture_time = now_gst,
.video_buffer = video_buffer,
.audio_buffer = audio_buffer,
.anc_buffer = anc_buffer,
.anc_buffer2 = anc_buffer2,
.tc = time_code};
while (gst_queue_array_get_length(self->queue) >= self->queue_size) {
QueueItem *tmp =
(QueueItem *)gst_queue_array_pop_head_struct(self->queue);
if (tmp->type == QUEUE_ITEM_TYPE_FRAME) {
GST_WARNING_OBJECT(self, "Element queue overrun, dropping old frame");
GstMessage *msg = gst_message_new_qos(
GST_OBJECT_CAST(self), TRUE, GST_CLOCK_TIME_NONE,
GST_CLOCK_TIME_NONE, tmp->capture_time,
gst_util_uint64_scale(GST_SECOND, self->configured_info.fps_d,
self->configured_info.fps_n));
gst_element_post_message(GST_ELEMENT_CAST(self), msg);
gst_clear_buffer(&tmp->video_buffer);
gst_clear_buffer(&tmp->audio_buffer);
gst_clear_buffer(&tmp->anc_buffer);
gst_clear_buffer(&tmp->anc_buffer2);
}
}
GST_TRACE_OBJECT(self, "Queuing frame %" GST_TIME_FORMAT,
GST_TIME_ARGS(now_gst));
gst_queue_array_push_tail_struct(self->queue, &item);
GST_TRACE_OBJECT(self, "%u frames queued",
gst_queue_array_get_length(self->queue));
g_cond_signal(&self->queue_cond);
} else {
g_mutex_unlock(&self->queue_lock);
self->device->device->WaitForInputVerticalInterrupt(self->channel);
g_mutex_lock(&self->queue_lock);
}
}
out : {
// Make sure to globally lock here as the routing settings and others are
// global shared state
ShmMutexLocker locker;
self->device->device->AutoCirculateStop(self->channel);
self->device->device->UnsubscribeInputVerticalEvent(self->channel);
self->device->device->DisableInputInterrupt(self->channel);
}
if (!self->playing && !self->shutdown) goto restart;
g_mutex_unlock(&self->queue_lock);
gst_clear_object(&clock);
GST_DEBUG_OBJECT(self, "Stopped");
}
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