test/DumpOgg: new debug program

test/DumpOgg.cxx

+/*
+ * Copyright 2003-2022 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "lib/xiph/OggSyncState.hxx"
+#include "lib/xiph/OggStreamState.hxx"
+#include "config/Data.hxx"
+#include "input/Init.hxx"
+#include "input/InputStream.hxx"
+#include "input/Reader.hxx"
+#include "event/Thread.hxx"
+#include "util/PrintException.hxx"
+
+#include <inttypes.h>
+#include <stdio.h>
+
+int
+main(int argc, char **argv) noexcept
+try {
+	if (argc != 2) {
+		fprintf(stderr, "Usage: DumpOgg FILE\n");
+		return EXIT_FAILURE;
+	}
+
+	const char *path = argv[1];
+
+	EventThread io_thread;
+	io_thread.Start();
+
+	const ScopeInputPluginsInit input_plugins_init(ConfigData(),
+						       io_thread.GetEventLoop());
+
+	Mutex mutex;
+	auto is = InputStream::OpenReady(path, mutex);
+
+	InputStreamReader reader{*is};
+
+	OggSyncState sync{reader};
+
+	while (true) {
+		ogg_page page;
+		if (!sync.ExpectPage(page))
+			break;
+
+		printf("page offset=%" PRIu64 " serial=%d\n",
+		       sync.GetStartOffset(), ogg_page_serialno(&page));
+	}
+
+	return EXIT_SUCCESS;
+} catch (...) {
+	PrintException(std::current_exception());
+	return EXIT_FAILURE;
+}

test/meson.build

@@ -490,6 +490,19 @@ if libid3tag_dep.found()
     ],
   )
 endif
+
+if ogg_dep.found()
+  executable(
+    'DumpOgg',
+    'DumpOgg.cxx',
+    include_directories: inc,
+    dependencies: [
+      ogg_dep,
+      input_glue_dep,
+      archive_glue_dep,
+    ],
+  )
+endif
   
 #
 # Filter