I think this is right!
This commit is contained in:
Nickiel
parent
e814cb4929
commit
d5f78f8031
2 changed files with 158 additions and 31 deletions
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@ -38,8 +38,8 @@ pub fn build(b: *std.Build) void {
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exe.root_module.addImport("glib", gobject.module("glib2"));
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exe.root_module.addImport("gobject", gobject.module("gobject2"));
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// exe.root_module.addImport("gst", gobject.module("gst1"));
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// exe.root_module.addImport("gstapp", gobject.module("gstapp1"));
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exe.root_module.addImport("gst", gobject.module("gst1"));
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exe.root_module.addImport("gstapp", gobject.module("gstapp1"));
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// exe.addLibraryPath( .{ .cwd_relative = "/lib/aarch64-linux-gnu" }); // glib
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// exe.addLibraryPath( .{ .cwd_relative = "/lib/aarch64-linux-gnu/gstreamer-1.0" }); // gstreamer
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181
src/main.zig
181
src/main.zig
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@ -20,15 +20,108 @@ const assert = std.debug.assert;
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const hef_file = "yolov7.hef";
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const max_edge_layers = 32;
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var exit_loop: bool = false;
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pub fn main() !void {
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std.posix.sigaction(std.posix.SIG.INT, &std.posix.Sigaction {
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.handler = .{
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.handler = struct {
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pub fn handler(_: c_int) callconv(.C) void {
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std.debug.print("Control C caught!\n", .{});
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exit_loop = true;
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}
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}.handler
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},
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.mask = std.posix.empty_sigset,
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.flags = 0,
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}, null);
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std.debug.print("ctrl+c handler registered\n", .{});
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std.debug.print("Program started\n", .{});
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// This allows me to utilize the same command line args and gstreamer
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gst.init(@ptrCast(&std.os.argv.len), @ptrCast(&std.os.argv.ptr));
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var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
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defer arena.deinit();
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const alloc = arena.allocator();
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std.fs.cwd().access(hef_file, .{ }) catch |e| {
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std.debug.panic("Could not open hef file! '{any}'", .{ e });
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};
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var status: hlo.hailo_status = undefined;
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var vdevice : hlo.hailo_vdevice = undefined;
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var hef : hlo.hailo_hef = undefined;
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var config_params: hlo.hailo_configure_params_t = undefined; // std.mem.zeroInit(hlo.hailo_vdevice_params_t, .{});
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var network_group: hlo.hailo_configured_network_group = undefined;
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var network_group_size : usize = 1;
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var input_vstream_params : [max_edge_layers]hlo.hailo_input_vstream_params_by_name_t = undefined;
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var output_vstream_params : [max_edge_layers]hlo.hailo_output_vstream_params_by_name_t = undefined;
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var output_vstreams : [max_edge_layers]hlo.hailo_output_vstream = undefined;
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var input_vstreams : [max_edge_layers]hlo.hailo_input_vstream = undefined;
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var input_vstream_size : usize = max_edge_layers;
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var output_vstream_size : usize = max_edge_layers;
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status = hlo.hailo_create_vdevice(null, &vdevice);
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assert(status == hlo.HAILO_SUCCESS);
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status = hlo.hailo_create_hef_file(&hef, hef_file);
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assert(status == hlo.HAILO_SUCCESS);
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std.debug.print("vdevice inited, hef file created!\n", .{});
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status = hlo.hailo_init_configure_params_by_vdevice(hef, vdevice, &config_params);
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assert(status == hlo.HAILO_SUCCESS);
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std.debug.print("Init configure params complete\n", .{});
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assert(vdevice != null);
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assert(hef != null);
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assert(network_group_size != 0);
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status = hlo.hailo_configure_vdevice(vdevice, hef, &config_params, &network_group, &network_group_size);
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assert(status == hlo.HAILO_SUCCESS);
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std.debug.print("Configure vdevice complete!\n", .{});
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status = hlo.hailo_make_input_vstream_params(network_group, false, hlo.HAILO_FORMAT_TYPE_AUTO,
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&input_vstream_params, &input_vstream_size);
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assert(status == hlo.HAILO_SUCCESS);
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std.debug.print("Input vstream params initialized\n", .{});
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status = hlo.hailo_make_output_vstream_params(network_group, true, hlo.HAILO_FORMAT_TYPE_AUTO,
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&output_vstream_params, &output_vstream_size);
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assert(status == hlo.HAILO_SUCCESS);
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std.debug.print("Output vstream params initialized\n", .{});
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assert(input_vstream_size <= max_edge_layers);
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status = hlo.hailo_create_input_vstreams(network_group, &input_vstream_params, input_vstream_size, &input_vstreams);
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assert(status == hlo.HAILO_SUCCESS);
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std.debug.print("Input vstreams initialized\n", .{});
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status = hlo.hailo_create_output_vstreams(network_group, &output_vstream_params, output_vstream_size, &output_vstreams);
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assert(status == hlo.HAILO_SUCCESS);
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std.debug.print("Output vstreams initialized\n", .{});
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std.debug.print("HailoRT init completed\nGstreamer Init starting", .{});
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std.debug.print("Gstreamer Initialized\n", .{});
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const source: *gst.Element = gst.ElementFactory.make("videotestsrc", "source") orelse unreachable;
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const source: *gst.Element = gst.ElementFactory.make("v4l2src", "source") orelse unreachable;
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std.debug.print("test source created\n", .{});
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const scale: *gst.Element = gst.ElementFactory.make("videoscale", "scale") orelse unreachable;
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std.debug.print("video scale created\n", .{});
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@ -67,7 +160,7 @@ pub fn main() !void {
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pipeline.unref();
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std.debug.panic("Elements could not be linked\n", .{});
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}
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std.debug.print("Elements linked", .{});
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std.debug.print("Elements linked\n", .{});
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// g_int is just i32. You can
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// source.set("pattern", @as(i16, 0));
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@ -81,46 +174,80 @@ pub fn main() !void {
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const bus: *gst.Bus = pipeline.getBus();
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std.debug.print("Getting vstream info\n", .{});
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var stream_info: hlo.hailo_vstream_info_t = undefined;
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status = hlo.hailo_get_input_vstream_info(input_vstreams[0], &stream_info);
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assert(status == hlo.HAILO_SUCCESS);
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var output_info: hlo.hailo_vstream_info_t = undefined;
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status = hlo.hailo_get_output_vstream_info(output_vstreams[0], &output_info);
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assert(status == hlo.HAILO_SUCCESS);
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std.debug.print("\nOutput info: {any}\n\n", .{ output_info });
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var input_frame_size: usize = 0;
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status = hlo.hailo_get_input_vstream_frame_size(input_vstreams[0], &input_frame_size);
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assert(status == hlo.HAILO_SUCCESS);
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const frame_count = input_frame_size / @sizeOf(u8);
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const input_data: [:0]u8 = try alloc.allocSentinel(u8, frame_count, 0);
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var output_frame_size: usize = 0;
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status = hlo.hailo_get_output_vstream_frame_size(output_vstreams[0], &output_frame_size);
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assert(status == hlo.HAILO_SUCCESS);
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std.debug.print("output frame size is: {d}\n", .{ output_frame_size });
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const output_frame_count = output_frame_size / @sizeOf(f32);
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const output_data: [:0]f32 = try alloc.allocSentinel(f32, output_frame_count, 0);
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var run_count: u8 = 0;
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while (!exit_loop) {
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const sample = sink.pullSample() orelse unreachable;
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const buffer: *gst.Buffer = sample.getBuffer() orelse unreachable;
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std.debug.print("Got the buffer! {any}\n", .{ buffer });
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std.debug.print("My buffer was '{d}' big!\n", .{ buffer.getSize() });
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_ = buffer.extract(0, @ptrCast(input_data), input_frame_size);
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// const msg: *gst.Message = bus.popFiltered( gst.MessageType.flags_eos + gst.MessageType.flags_warning );
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const message_type: gst.MessageType = .{ .eos = true, .warning = true };
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const ret_msg: ?*gst.Message = bus.timedPopFiltered(std.math.maxInt(u64), message_type);
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status = hlo.hailo_vstream_write_raw_buffer(input_vstreams[0], input_data.ptr, input_frame_size);
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assert(status == hlo.HAILO_SUCCESS);
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std.debug.print("reg_msg returned!\n", .{});
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status = hlo.hailo_flush_input_vstream(input_vstreams[0]);
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assert(status == hlo.HAILO_SUCCESS);
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if (ret_msg) |msg| {
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if (msg.f_type.eos == true) {
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std.debug.print("EOS recieved\n", .{});
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} else if (msg.f_type.warning == true) {
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std.debug.print("Warning message received\n", .{});
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const err: ?**glib.Error = null;
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const debug_info: ?*[*:0]u8 = null;
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msg.parseError(err, debug_info);
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if (err) |e| {
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std.debug.print("Error received from element {s}: {s}", .{ msg.f_src, e.*.*.message });
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status = hlo.hailo_vstream_read_raw_buffer(output_vstreams[0], output_data.ptr, output_frame_size);
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if (status == hlo.HAILO_SUCCESS) {
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for (0..50) |x| {
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std.debug.print(" {d} ", .{output_data[x]});
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}
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if (debug_info != null) { // I couldn't figure out how to do a orelse statement for this unwrap.
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std.debug.print("Debugging information: {s}", .{debug_info.?});
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std.debug.print("\n", .{});
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run_count += 1;
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if (run_count > 20) {
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break;
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}
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glib.clearError(@ptrCast(err));
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glib.free(@ptrCast(debug_info));
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} else {
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std.debug.print("Unknown type received {any}\n", .{ msg });
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std.debug.print("Read failed!\n", .{});
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continue;
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}
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// msg.unref();
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} else {
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std.debug.print("ret message not handled type: {any}\n", .{ ret_msg });
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}
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std.debug.print("Staring shutdown\n", .{ });
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bus.unref();
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_ = pipeline.as(gst.Element).setState(gst.State.null);
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pipeline.unref();
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// const bus: *gst.Bus = pipeline.getBus();
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_ = hlo.hailo_release_output_vstreams(&output_vstreams, output_vstream_size);
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_ = hlo.hailo_release_input_vstreams(&input_vstreams, input_vstream_size);
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_ = hlo.hailo_release_hef(hef);
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_ = hlo.hailo_release_vdevice(vdevice);
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std.debug.print("run complete\n", .{});
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}
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