mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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171 lines
6.4 KiB
C++
171 lines
6.4 KiB
C++
/*
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* Copyright (C) 2019 Mathieu Duponchelle <mathieu@centricular.com>
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* Copyright (C) 2019,2021 Sebastian Dröge <sebastian@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstajacommon.h"
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#include "gstajadeviceprovider.h"
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static GstDevice *gst_aja_device_new(NTV2DeviceInfo &device, gboolean video);
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G_DEFINE_TYPE(GstAjaDeviceProvider, gst_aja_device_provider,
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GST_TYPE_DEVICE_PROVIDER);
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static void gst_aja_device_provider_init(GstAjaDeviceProvider *self) {}
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static GList *gst_aja_device_provider_probe(GstDeviceProvider *provider) {
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GList *ret = NULL;
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CNTV2DeviceScanner scanner;
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NTV2DeviceInfoList devices = scanner.GetDeviceInfoList();
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for (NTV2DeviceInfoList::iterator it = devices.begin(); it != devices.end();
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it++) {
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// Skip non-input / non-output devices
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if (it->numVidInputs == 0 && it->numVidOutputs == 0) continue;
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if (it->numVidInputs > 0)
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ret = g_list_prepend(ret, gst_aja_device_new(*it, TRUE));
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if (it->numVidOutputs > 0)
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ret = g_list_prepend(ret, gst_aja_device_new(*it, FALSE));
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}
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ret = g_list_reverse(ret);
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return ret;
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}
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static void gst_aja_device_provider_class_init(
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GstAjaDeviceProviderClass *klass) {
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GstDeviceProviderClass *dm_class = GST_DEVICE_PROVIDER_CLASS(klass);
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dm_class->probe = GST_DEBUG_FUNCPTR(gst_aja_device_provider_probe);
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gst_device_provider_class_set_static_metadata(
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dm_class, "AJA Device Provider", "Source/Audio/Video",
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"List and provides AJA capture devices",
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"Sebastian Dröge <sebastian@centricular.com>");
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}
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G_DEFINE_TYPE(GstAjaDevice, gst_aja_device, GST_TYPE_DEVICE);
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static void gst_aja_device_init(GstAjaDevice *self) {}
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static GstElement *gst_aja_device_create_element(GstDevice *device,
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const gchar *name) {
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GstAjaDevice *self = GST_AJA_DEVICE(device);
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GstElement *ret = NULL;
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if (self->is_capture) {
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ret = gst_element_factory_make("ajasrc", name);
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} else {
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ret = gst_element_factory_make("ajasink", name);
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}
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if (ret) {
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gchar *device_identifier = g_strdup_printf("%u", self->device_index);
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g_object_set(ret, "device-identifier", device_identifier, NULL);
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g_free(device_identifier);
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}
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return ret;
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}
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static void gst_aja_device_class_init(GstAjaDeviceClass *klass) {
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GstDeviceClass *gst_device_class = GST_DEVICE_CLASS(klass);
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gst_device_class->create_element =
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GST_DEBUG_FUNCPTR(gst_aja_device_create_element);
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}
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static GstDevice *gst_aja_device_new(NTV2DeviceInfo &device,
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gboolean is_capture) {
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GstDevice *ret;
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gchar *display_name;
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const gchar *device_class;
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GstCaps *caps = NULL;
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GstStructure *properties;
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device_class = is_capture ? "Audio/Video/Source" : "Audio/Video/Sink";
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display_name = g_strdup_printf("AJA %s (%s)", device.deviceIdentifier.c_str(),
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is_capture ? "Source" : "Sink");
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caps = gst_ntv2_supported_caps(device.deviceID);
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properties = gst_structure_new_empty("properties");
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gst_structure_set(
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properties, "device-id", G_TYPE_UINT, device.deviceID, "device-index",
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G_TYPE_UINT, device.deviceIndex, "pci-slot", G_TYPE_UINT, device.pciSlot,
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"serial-number", G_TYPE_UINT64, device.deviceSerialNumber,
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"device-identifier", G_TYPE_STRING, device.deviceIdentifier.c_str(),
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"num-audio-streams", G_TYPE_UINT, device.numAudioStreams,
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"dual-link-support", G_TYPE_BOOLEAN, device.dualLinkSupport,
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"sdi-3g-support", G_TYPE_BOOLEAN, device.sdi3GSupport, "sdi-12g-support",
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G_TYPE_BOOLEAN, device.sdi12GSupport, "ip-support", G_TYPE_BOOLEAN,
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device.ipSupport, "bi-directional-sdi", G_TYPE_BOOLEAN,
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device.biDirectionalSDI, "ltc-in-support", G_TYPE_BOOLEAN,
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device.ltcInSupport, "ltc-in-on-ref-port", G_TYPE_BOOLEAN,
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device.ltcInOnRefPort, "2k-support", G_TYPE_BOOLEAN, device.has2KSupport,
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"4k-support", G_TYPE_BOOLEAN, device.has4KSupport, "8k-support",
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G_TYPE_BOOLEAN, device.has8KSupport, "multiformat-support",
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G_TYPE_BOOLEAN, device.multiFormat, NULL);
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if (is_capture) {
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gst_structure_set(
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properties, "num-vid-inputs", G_TYPE_UINT, device.numVidInputs,
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"num-anlg-vid-inputs", G_TYPE_UINT, device.numAnlgVidInputs,
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"num-hdmi-vid-inputs", G_TYPE_UINT, device.numHDMIVidInputs,
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"num-analog-audio-input-channels", G_TYPE_UINT,
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device.numAnalogAudioInputChannels, "num-aes-audio-input-channels",
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G_TYPE_UINT, device.numAESAudioInputChannels,
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"num-embedded-audio-input-channels", G_TYPE_UINT,
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device.numEmbeddedAudioInputChannels, "num-hdmi-audio-input-channels",
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G_TYPE_UINT, device.numHDMIAudioInputChannels, NULL);
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} else {
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gst_structure_set(
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properties, "num-vid-outputs", G_TYPE_UINT, device.numVidOutputs,
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"num-anlg-vid-outputs", G_TYPE_UINT, device.numAnlgVidOutputs,
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"num-hdmi-vid-outputs", G_TYPE_UINT, device.numHDMIVidOutputs,
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"num-analog-audio-output-channels", G_TYPE_UINT,
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device.numAnalogAudioOutputChannels, "num-aes-audio-output-channels",
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G_TYPE_UINT, device.numAESAudioOutputChannels,
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"num-embedded-audio-output-channels", G_TYPE_UINT,
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device.numEmbeddedAudioOutputChannels, "num-hdmi-audio-output-channels",
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G_TYPE_UINT, device.numHDMIAudioOutputChannels, NULL);
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}
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ret = GST_DEVICE(g_object_new(GST_TYPE_AJA_DEVICE, "display-name",
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display_name, "device-class", device_class,
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"caps", caps, "properties", properties, NULL));
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g_free(display_name);
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gst_caps_unref(caps);
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gst_structure_free(properties);
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GST_AJA_DEVICE(ret)->is_capture = is_capture;
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GST_AJA_DEVICE(ret)->device_index = device.deviceIndex;
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return ret;
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}
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