camera-gstreamer: Add pipewire source to capture video streams

[apps/camera-gstreamer.git] / app / main.cpp

diff --git a/app/main.cpp b/app/main.cpp
index 4451261..2068143 100644 (file)
--- a/app/main.cpp
+++ b/app/main.cpp
@@ -147,7 +147,7 @@ prune_old_released_buffers(struct window *window)
 
        wl_list_for_each_safe(b, b_next,
                              &window->buffer_list, buffer_link) {
-               if (!b->busy && (b->width != window->width || 
+               if (!b->busy && (b->width != window->width ||
                                 b->height != window->height))
                        destroy_buffer(b);
        }
@@ -529,7 +529,7 @@ handle_xdg_toplevel_configure(void *data, struct xdg_toplevel *xdg_toplevel,
 
        // use our own macro as C++ can't typecast from (void *) directly
        WL_ARRAY_FOR_EACH(p, states, uint32_t *) {
-               uint32_t state = *p; 
+               uint32_t state = *p;
                switch (state) {
                case XDG_TOPLEVEL_STATE_FULLSCREEN:
                        window->fullscreen = 1;
@@ -713,6 +713,10 @@ int main(int argc, char *argv[])
        int width;
        int height;
 
+       // pipewire is default.
+       char *v4l2_path = getenv("ENABLE_V4L2_PATH");
+       bool v4l2 = false;
+
        char pipeline_str[1024];
        GError *error = NULL;
        const char *app_id = "camera-gstreamer";
@@ -731,21 +735,33 @@ int main(int argc, char *argv[])
        camera_device = getenv("DEFAULT_V4L2_DEVICE");
        if (!camera_device)
                camera_device = get_first_camera_device();
-       width_str = getenv("DEFAULT_V4L2_DEVICE_WIDTH");
+
+       width_str = getenv("DEFAULT_DEVICE_WIDTH");
        if (!width_str)
                width = WINDOW_WIDTH_SIZE;
        else
                width = atoi(width_str);
 
-       height_str = getenv("DEFAULT_V4L2_DEVICE_HEIGHT");
+       height_str = getenv("DEFAULT_DEVICE_HEIGHT");
        if (!height_str)
                height = WINDOW_HEIGHT_SIZE;
        else
                height = atoi(height_str);
 
+       if (v4l2_path == NULL)
+               v4l2 = false;
+       else if (g_str_equal(v4l2_path, "yes") || g_str_equal(v4l2_path, "true"))
+               v4l2 = true;
+
        memset(pipeline_str, 0, sizeof(pipeline_str));
-       snprintf(pipeline_str, sizeof(pipeline_str), "v4l2src device=%s ! video/x-raw,width=%d,height=%d ! waylandsink", 
-               camera_device, width, height);
+
+       if (v4l2)
+               snprintf(pipeline_str, sizeof(pipeline_str), "v4l2src device=%s ! video/x-raw,width=%d,height=%d ! waylandsink",
+                       camera_device, width, height);
+       else
+               snprintf(pipeline_str, sizeof(pipeline_str), "pipewiresrc ! video/x-raw,width=%d,height=%d ! waylandsink",
+      width, height);
+
        gst_init(&gargc, &gargv);
 
        setbuf(stdout, NULL);
@@ -766,7 +782,7 @@ int main(int argc, char *argv[])
                return -1;
 
        // if you'd want to place the video in a pop-up/dialog type of window:
-       // agl_shell_desktop_set_app_property(display->agl_shell_desktop, app_id, 
+       // agl_shell_desktop_set_app_property(display->agl_shell_desktop, app_id,
        //                                 AGL_SHELL_DESKTOP_APP_ROLE_POPUP,
        //                                 WINDOW_WIDTH_POS_X, WINDOW_WIDTH_POS_Y,
        //                                 0, 0, WINDOW_WIDTH_SIZE, WINDOW_HEIGHT_SIZE,
@@ -775,7 +791,7 @@ int main(int argc, char *argv[])
        // we use the role to set a correspondence between the top level
        // surface and our application, with the previous call letting the
        // compositor know that we're one and the same
-       window = create_window(display, WINDOW_WIDTH_SIZE, WINDOW_HEIGHT_SIZE, app_id); 
+       window = create_window(display, WINDOW_WIDTH_SIZE, WINDOW_HEIGHT_SIZE, app_id);
 
        if (!window) {
                free(gargv);