Add inspect CLI tool and Emscripten build tools.
Change-Id: Id9159456084582b393c66c1b2c0bbb0a783350b0
diff --git a/tools/inspect-cli.js b/tools/inspect-cli.js
new file mode 100644
index 0000000..a14c081
--- /dev/null
+++ b/tools/inspect-cli.js
@@ -0,0 +1,39 @@
+/**
+ * This tool lets you test if the compiled Javascript decoder is functioning properly. You'll
+ * need to download a SpiderMonkey js-shell to run this script.
+ * https://archive.mozilla.org/pub/firefox/nightly/latest-mozilla-central/
+ *
+ * Example:
+ * js-shell inspect-cli.js video.ivf
+ */
+load("inspect.js");
+var buffer = read(scriptArgs[0], "binary");
+var Module = {
+ noExitRuntime: true,
+ noInitialRun: true,
+ preInit: [],
+ preRun: [],
+ postRun: [function () {
+ printErr(`Loaded Javascript Decoder OK`);
+ }],
+ memoryInitializerPrefixURL: "bin/",
+ arguments: ['input.ivf', 'output.raw'],
+ on_frame_decoded_json: function (jsonString) {
+ let json = JSON.parse("[" + Module.UTF8ToString(jsonString) + "null]");
+ json.forEach(frame => {
+ if (frame) {
+ print(frame.frame);
+ }
+ });
+ }
+};
+DecoderModule(Module);
+Module.FS.writeFile("/tmp/input.ivf", buffer, { encoding: "binary" });
+Module._open_file();
+Module._set_layers(0xFFFFFFFF); // Set this to zero if you want to benchmark decoding.
+while(true) {
+ printErr("Decoding Frame ...");
+ if (Module._read_frame()) {
+ break;
+ }
+}
