moved more onto the zig-gobject bindings

build.zig

@@ -53,26 +53,21 @@ pub fn build(b: *std.Build) void {
 
     exe.linkSystemLibrary("c");
 
+    exe.linkSystemLibrary("gstreamer-1.0");
+    exe.linkSystemLibrary("gstapp-1.0");
+    exe.linkSystemLibrary("glib-2.0");
+    exe.linkSystemLibrary("gobject-2.0");
+
     exe.root_module.addImport("glib", gobject.module("glib2"));
     exe.root_module.addImport("gobject", gobject.module("gobject2"));
     exe.root_module.addImport("gst", gobject.module("gst1")); 
-
-    exe.addIncludePath(.{ .cwd_relative = b.fmt("{s}/include/gstreamer-1.0", .{gst_dev_path.?}) });     // not sure why both are needed, but 
-    exe.addIncludePath(.{ .cwd_relative = b.fmt("{s}/include/gstreamer-1.0/gst", .{gst_dev_path.?}) }); // it won't compile without them
-    exe.addIncludePath(.{ .cwd_relative = b.fmt("{s}/include/gstreamer-1.0", .{gst_plugins_base_dev_path.?}) }); // needed for header resolution of below dep
-    exe.addIncludePath(.{ .cwd_relative = b.fmt("{s}/include/glib-2.0", .{glib_dev_path.?}) });
-    exe.addIncludePath(.{ .cwd_relative = b.fmt("{s}/lib/glib-2.0/include", .{glib_path.?}) });
+    exe.root_module.addImport("gstapp", gobject.module("gstapp1")); 
 
     // exe.addIncludePath(.{ .cwd_relative = "/usr/include/hailo" });
     // exe.addLibraryPath(.{ .cwd_relative = "/home/nixolas/Documents/hailort/build/hailort/libhailort/src"});
     // exe.linkSystemLibrary("hailort");
 
 
-    exe.addLibraryPath(.{ .cwd_relative = b.fmt("{s}/lib", .{ gst_plugins_base_path.? }) });
-    exe.linkSystemLibrary("gstreamer-1.0");
-    exe.linkSystemLibrary("gstapp-1.0");
-    exe.linkSystemLibrary("glib-2.0");
-    exe.linkSystemLibrary("gobject-2.0");
 
     // This declares intent for the executable to be installed into the
     // standard location when the user invokes the "install" step (the default

src/main.zig

@@ -2,11 +2,15 @@ const std = @import("std");
 const hlo = @cImport({
     @cInclude("hailort.h");
 });
-const gst_app = @cImport({ // glib-object for g_object_* functions
-    @cInclude("gstappsrc.h");
-});
+
+// remove "sources/" and "X.zig"
+// const gst = @import("sources/gst1.zig");
+// const gstapp = @import ("sources/gstapp1.zig");
+// const glib = @import("sources/glib2.zig");
+// const gobject = @import("sources/gobject2.zig");
 
 const gst = @import("gst");
+const gstapp = @import ("gstapp");
 const glib = @import("glib");
 const gobject = @import("gobject");
 
@@ -32,56 +36,53 @@ pub fn main() !void {
 
     // When you look into the GST_BIN macro that zig can't compile,
     // it really is just this pointer cast with extra steps of verification
-    const bin: *gst.GstBin = @ptrCast(pipeline);
+    const bin: *gst.Bin = pipeline.Parent;
 
 
     // Gstreamer gives a critical warning when using gst.gst_bin_add_many, but doesn't
     // when calling each individually
-    _ = gst.bin_add(bin, source);
-    _ = gst.bin_add(bin, sink);
+    _ = gst.Bin.add(*bin, source);
+    _ = gst.Bin.add(*bin, sink);
 
     // the failure return code is -1 I believe
-    if (gst.element_link(source, sink) < 0) {
-        gst.object_unref(pipeline);
+    if (gst.Element.link(source, sink) < 0) {
+        pipeline.unref();
         std.debug.panic("Elements could not be linked\n", .{});
     }
 
     // g_int is just i32. You can 
-    gst.g_object_set(source, "pattern", @as(i16, 0));
+    source.set("pattern", @as(i16, 0));
 
-    const ret = gst.element_set_state(pipeline, gst.GST_STATE_PLAYING);
-    if (ret == gst.GST_STATE_CHANGE_FAILURE) {
-        gst.object_unref(pipeline);
+    const ret = pipeline.setState(gst.State.playing);
+    if (ret == gst.StateChangeReturn.failure) {
+        pipeline.unref();
         std.debug.panic("Could not start pipeline", .{});
     }
 
-    const bus: *gst.GstBus = gst.element_get_bus(pipeline);
-    const msg: *gst.GstMessage = gst.bus_timed_pop_filtered( // This call holds until there is a valid message
-        bus,
-        gst.GST_CLOCK_TIME_NONE,
-        gst.GST_MESSAGE_ERROR | gst.GST_MESSAGE_EOS,
-    );
+    const bus: *gst.Bus = pipeline.getBus();
+    const msg: *gst.Message = bus.popFiltered( gst.MessageType.flags_eos + gst.MessageType.flags_warning );
 
-    if (gst.GST_MESSAGE_TYPE(msg) == gst.GST_MESSAGE_ERROR) {
-        const err: [*c][*c]gst.GError = null;
-        var debug_info: ?*gst.gchar = null;
+    if (msg.f_type == 1) {
+        const err: glib.Error = null;
+        var debug_info: [*][*:0]u8 = null;
 
-        switch (gst.GST_MESSAGE_TYPE(msg)) {
-            gst.GST_MESSAGE_ERROR => {
-                gst.message_parse_error(msg, err, &debug_info);
+        switch (msg.f_type) {
+            1 => {
+                msg.parseError(err, &debug_info);
                 std.debug.print("Error received from element {s}: {s}", .{ gst.GST_OBJECT_NAME(msg.src), err.*.*.message });
                 if (debug_info != null) { // I couldn't figure out how to do a orelse statement for this unwrap. 
                     std.debug.print("Debugging information: {s}", .{debug_info.?});
                 }
-                gst.g_clear_error(err);
-                gst.g_free(debug_info);
+                glib.clearError(err);
+                glib.free(debug_info);
             },
             else => {},
         }
-        gst.message_unref(msg);
+
+        msg.unref();
     }
 
-    gst.object_unref(bus);
-    _ = gst.element_set_state(pipeline, gst.GST_STATE_NULL);
-    gst.object_unref(pipeline);
+    bus.unref();
+    pipeline.setState(gst.State.null);
+    pipeline.unref();
 }