New upstream version 26.1.0+dfsg1

plugins/linux-v4l2/CMakeLists.txt

@@ -39,6 +39,7 @@ set(linux-v4l2_SOURCES
 	v4l2-controls.c
 	v4l2-input.c
 	v4l2-helpers.c
+	v4l2-output.c
 	${linux-v4l2-udev_SOURCES}
 )
 

plugins/linux-v4l2/data/locale/az-AZ.ini

@@ -0,0 +1,16 @@
+V4L2Input="Video Yaxalama Cihazı (V4L2)"
+Device="Cihaz"
+Input="Giriş"
+VideoFormat="Video formatı"
+VideoStandard="Video standartı"
+DVTiming="DV zamanlama"
+Resolution="Ölçülər"
+FrameRate="Kadr sürəti"
+LeaveUnchanged="Dəyişmədən çıx"
+UseBuffering="Bufferləməni istifadə et"
+ColorRange="Rəng aralığı"
+ColorRange.Default="İlkin"
+ColorRange.Partial="Hissəli"
+ColorRange.Full="Tam"
+CameraCtrls="Kamera nəzarəti"
+

plugins/linux-v4l2/data/locale/de-DE.ini

@@ -3,7 +3,7 @@ Device="Gerät"
 Input="Eingabe"
 VideoFormat="Videoformat"
 VideoStandard="Videostandard"
-DVTiming="DV‐Timing"
+DVTiming="DV-Timing"
 Resolution="Auflösung"
 FrameRate="Bildrate"
 LeaveUnchanged="Unverändert lassen"

plugins/linux-v4l2/data/locale/el-GR.ini

@@ -8,4 +8,9 @@ Resolution="Ανάλυση"
 FrameRate="Ρυθμός καρέ"
 LeaveUnchanged="Αφήστε αμετάβλητο"
 UseBuffering="Χρήση ενδιάμεσης μνήμης"
+ColorRange="Εύρος Χρωμάτων"
+ColorRange.Default="Προεπιλογή"
+ColorRange.Partial="Μερικό"
+ColorRange.Full="Πλήρες"
+CameraCtrls="Έλεγχοι φωτογραφικής μηχανής"
 

plugins/linux-v4l2/data/locale/et-EE.ini

@@ -8,4 +8,9 @@ Resolution="Resolutsioon"
 FrameRate="Kaadrisagedus"
 LeaveUnchanged="Jäta muutmata"
 UseBuffering="Kasuta puhverdamist"
+ColorRange="Värviruumi vahemik"
+ColorRange.Default="Vaikeseade"
+ColorRange.Partial="Osaline"
+ColorRange.Full="Täielik"
+CameraCtrls="Kaamera juhtnupud"
 

plugins/linux-v4l2/data/locale/fa-IR.ini

@@ -12,4 +12,5 @@ ColorRange="محدوده رنگ"
 ColorRange.Default="پیش فرض"
 ColorRange.Partial="جزئی"
 ColorRange.Full="کامل"
+CameraCtrls="کنترل دوربین"
 

plugins/linux-v4l2/data/locale/kab-KAB.ini

@@ -0,0 +1,16 @@
+V4L2Input="Ibenk n tuṭṭfa n uvidyu (V4L2)"
+Device="Ibenk"
+Input="Anekcum"
+VideoFormat="Amasal n uvidyu"
+VideoStandard="Alugen n uvidyu"
+DVTiming="Akud DV"
+Resolution="Tabadut"
+FrameRate="Atug n yikataren"
+LeaveUnchanged="Eǧǧ-it s war abeddel"
+UseBuffering="Seqdec ajmaɛ di tkatut n weḥraz"
+ColorRange="Tagrumma n yini"
+ColorRange.Default="Amezwar"
+ColorRange.Partial="Abruyan"
+ColorRange.Full="Ummid"
+CameraCtrls="Isenqaden n tkamiṛat"
+

plugins/linux-v4l2/data/locale/pt-BR.ini

@@ -1,7 +1,7 @@
-V4L2Input="Dispositivo de Captura de Vídeo (V4L2)"
+V4L2Input="Dispositivo de captura de vídeo (V4L2)"
 Device="Dispositivo"
 Input="Entrada"
-VideoFormat="Formato de Vídeo"
+VideoFormat="Formato de vídeo"
 VideoStandard="Padrão de vídeo"
 DVTiming="Sincronismo DV"
 Resolution="Resolução"

plugins/linux-v4l2/data/locale/ro-RO.ini

@@ -12,5 +12,5 @@ ColorRange="Gamă de culori"
 ColorRange.Default="Implicită"
 ColorRange.Partial="Parțială"
 ColorRange.Full="Completă"
-CameraCtrls="Controale cameră foto"
+CameraCtrls="Comenzi pentru cameră"
 

plugins/linux-v4l2/data/locale/vi-VN.ini

@@ -1,7 +1,15 @@
+V4L2Input="Thiết bị quay video (V4L2)"
 Device="Thiết bị"
+Input="Đầu vào"
+VideoFormat="Định dạng video"
 VideoStandard="Video Tiêu chuẩn"
 Resolution="Độ phân giải"
 FrameRate="Tốc độ khung"
 LeaveUnchanged="Giữ nguyên"
+UseBuffering="Dùng đệm"
+ColorRange="Dải màu"
+ColorRange.Default="Mặc định"
+ColorRange.Partial="Một phần"
+ColorRange.Full="Toàn phần"
 CameraCtrls="Điều khiển máy quay"
 

plugins/linux-v4l2/linux-v4l2.c

@@ -15,18 +15,47 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include <obs-module.h>
+#include <util/platform.h>
 
 OBS_DECLARE_MODULE()
 OBS_MODULE_USE_DEFAULT_LOCALE("linux-v4l2", "en-US")
 MODULE_EXPORT const char *obs_module_description(void)
 {
-	return "Video4Linux2(V4L2) sources";
+	return "Video4Linux2(V4L2) sources/virtual camera";
 }
 
 extern struct obs_source_info v4l2_input;
+extern struct obs_output_info virtualcam_info;
+
+static bool v4l2loopback_installed()
+{
+	bool loaded = false;
+
+	int ret = system("modinfo v4l2loopback >/dev/null 2>&1");
+
+	if (ret == 0)
+		loaded = true;
+
+	return loaded;
+}
 
 bool obs_module_load(void)
 {
 	obs_register_source(&v4l2_input);
+
+	obs_data_t *obs_settings = obs_data_create();
+
+	if (v4l2loopback_installed()) {
+		obs_register_output(&virtualcam_info);
+		obs_data_set_bool(obs_settings, "vcamEnabled", true);
+	} else {
+		obs_data_set_bool(obs_settings, "vcamEnabled", false);
+		blog(LOG_WARNING,
+		     "v4l2loopback not installed, virtual camera disabled");
+	}
+
+	obs_apply_private_data(obs_settings);
+	obs_data_release(obs_settings);
+
 	return true;
 }

plugins/linux-v4l2/v4l2-output.c

@@ -0,0 +1,176 @@
+#include <obs-module.h>
+#include <util/platform.h>
+#include <linux/videodev2.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#define MAX_DEVICES 64
+
+struct virtualcam_data {
+	obs_output_t *output;
+	int device;
+	uint32_t frame_size;
+};
+
+static const char *virtualcam_name(void *unused)
+{
+	UNUSED_PARAMETER(unused);
+	return "Virtual Camera Output";
+}
+
+static void virtualcam_destroy(void *data)
+{
+	struct virtualcam_data *vcam = (struct virtualcam_data *)data;
+	close(vcam->device);
+	bfree(data);
+}
+
+static bool loopback_module_loaded()
+{
+	bool loaded = false;
+
+	char temp[512];
+
+	FILE *fp = fopen("/proc/modules", "r");
+
+	if (!fp)
+		return false;
+
+	while (fgets(temp, sizeof(temp), fp)) {
+		if (strstr(temp, "v4l2loopback")) {
+			loaded = true;
+			break;
+		}
+	}
+
+	if (fp)
+		fclose(fp);
+
+	return loaded;
+}
+
+static int loopback_module_load()
+{
+	return system(
+		"pkexec modprobe v4l2loopback exclusive_caps=1 card_label='OBS Virtual Camera' && sleep 0.5");
+}
+
+static void *virtualcam_create(obs_data_t *settings, obs_output_t *output)
+{
+	struct virtualcam_data *vcam =
+		(struct virtualcam_data *)bzalloc(sizeof(*vcam));
+	vcam->output = output;
+
+	UNUSED_PARAMETER(settings);
+	return vcam;
+}
+
+static bool try_connect(void *data, int device)
+{
+	struct virtualcam_data *vcam = (struct virtualcam_data *)data;
+	struct v4l2_format format;
+	struct v4l2_capability capability;
+	struct v4l2_streamparm parm;
+
+	uint32_t width = obs_output_get_width(vcam->output);
+	uint32_t height = obs_output_get_height(vcam->output);
+
+	vcam->frame_size = width * height * 2;
+
+	char new_device[16];
+	sprintf(new_device, "/dev/video%d", device);
+
+	vcam->device = open(new_device, O_RDWR);
+
+	if (vcam->device < 0)
+		return false;
+
+	if (ioctl(vcam->device, VIDIOC_QUERYCAP, &capability) < 0)
+		return false;
+
+	format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+
+	if (ioctl(vcam->device, VIDIOC_G_FMT, &format) < 0)
+		return false;
+
+	struct obs_video_info ovi;
+	obs_get_video_info(&ovi);
+
+	memset(&parm, 0, sizeof(parm));
+	parm.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+
+	parm.parm.output.capability = V4L2_CAP_TIMEPERFRAME;
+	parm.parm.output.timeperframe.numerator = ovi.fps_den;
+	parm.parm.output.timeperframe.denominator = ovi.fps_num;
+
+	if (ioctl(vcam->device, VIDIOC_S_PARM, &parm) < 0)
+		return false;
+
+	format.fmt.pix.width = width;
+	format.fmt.pix.height = height;
+	format.fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
+	format.fmt.pix.sizeimage = vcam->frame_size;
+
+	if (ioctl(vcam->device, VIDIOC_S_FMT, &format) < 0)
+		return false;
+
+	struct video_scale_info vsi = {0};
+	vsi.format = VIDEO_FORMAT_YUY2;
+	vsi.width = width;
+	vsi.height = height;
+	obs_output_set_video_conversion(vcam->output, &vsi);
+
+	blog(LOG_INFO, "Virtual camera started");
+	obs_output_begin_data_capture(vcam->output, 0);
+
+	return true;
+}
+
+static bool virtualcam_start(void *data)
+{
+	struct virtualcam_data *vcam = (struct virtualcam_data *)data;
+
+	if (!loopback_module_loaded()) {
+		if (loopback_module_load() != 0)
+			return false;
+	}
+
+	for (int i = 0; i < MAX_DEVICES; i++) {
+		if (!try_connect(vcam, i))
+			continue;
+		else
+			return true;
+	}
+
+	blog(LOG_WARNING, "Failed to start virtual camera");
+	return false;
+}
+
+static void virtualcam_stop(void *data, uint64_t ts)
+{
+	struct virtualcam_data *vcam = (struct virtualcam_data *)data;
+	obs_output_end_data_capture(vcam->output);
+	close(vcam->device);
+
+	blog(LOG_INFO, "Virtual camera stopped");
+
+	UNUSED_PARAMETER(ts);
+}
+
+static void virtual_video(void *param, struct video_data *frame)
+{
+	struct virtualcam_data *vcam = (struct virtualcam_data *)param;
+	write(vcam->device, frame->data[0], vcam->frame_size);
+}
+
+struct obs_output_info virtualcam_info = {
+	.id = "virtualcam_output",
+	.flags = OBS_OUTPUT_VIDEO,
+	.get_name = virtualcam_name,
+	.create = virtualcam_create,
+	.destroy = virtualcam_destroy,
+	.start = virtualcam_start,
+	.stop = virtualcam_stop,
+	.raw_video = virtual_video,
+};