Add script to run/test the mojo media renderer.

media/mojo/scripts/run_mojo_media_renderer.py

Index: media/mojo/scripts/run_mojo_media_renderer.py
diff --git a/mojo/services/html_viewer/view_url.py b/media/mojo/scripts/run_mojo_media_renderer.py
similarity index 55%
copy from mojo/services/html_viewer/view_url.py
copy to media/mojo/scripts/run_mojo_media_renderer.py
index a543385e5aea4c59531f350d30699165e9de9f68..738fa9dcb94d71bbc45803ce2b88bce26a318131 100755
--- a/mojo/services/html_viewer/view_url.py
+++ b/media/mojo/scripts/run_mojo_media_renderer.py
@@ -2,6 +2,12 @@
 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
+#
+# The script follows mojo/services/html_viewer/view_url.py and modified it for
+# test the mojo media renderer. The page will be rendered in a windowless mode.
+#
+# TODO(xhwang): Explore the possibility of running this with the Kiosk window
+# manager.
 
 import argparse
 import os
@@ -27,26 +33,35 @@ def _BuildShellCommand(args):
   options.append(
       "--origin=https://storage.googleapis.com/mojo/services/linux-x64/%s" %
            sdk_version)
-  options.append("--url-mappings=mojo:html_viewer=file://%s/html_viewer.mojo" %
-                 build_dir)
-  options.append('--args-for=mojo:kiosk_wm %s' % args.url)
+  options.append("--url-mappings=mojo:html_viewer=file://%s/html_viewer.mojo,"
+                 "mojo:media=file://%s/media.mojo" % (build_dir, build_dir))
+  args_for_html_viewer = "--enable-mojo-media-renderer "
+  if args.verbose:
+    args_for_html_viewer += \
+        "--vmodule=pipeline*=3,*renderer_impl*=3,*mojo_demuxer*=3"
+  options.append("--args-for=mojo:html_viewer %s" % args_for_html_viewer)
 
-  app_to_run = "mojo:kiosk_wm"
+  full_command = shell_command + options + [args.url]
 
-  return shell_command + options + [app_to_run]
+  if args.verbose:
+    print full_command
+
+  return full_command
 
 def main():
   parser = argparse.ArgumentParser(
-      description="View a URL with HTMLViewer in the Kiosk window manager. "
-                  "You must have built //mojo/services/html_viewer and "
-                  "//mojo/services/network first. Note that this will "
-                  "currently often fail spectacularly due to lack of binary "
-                  "stability in Mojo.")
+      description="View a URL with HTMLViewer with mojo media renderer. "
+                  "You must have built //mojo/services/html_viewer, "
+                  "//mojo/services/network and //media/mojo/services first. "
+                  " Note that this will currently often fail spectacularly due "
+                  " to lack of binary stability in Mojo.")
   parser.add_argument(
       "--build-dir",
       help="Path to the dir containing the linux-x64 binaries relative to the "
            "repo root (default: %(default)s)",
       default="out/Release")
+  parser.add_argument("--verbose", help="Increase output verbosity.",
+                      action="store_true")

[DaleCurtis, 2015/03/09 20:09:44]

default=False? I forget if you need that.

[xhwang, 2015/03/09 20:18:40]

I am still learning argparse so I am not sure either, but it seems "store_true"
takes case of the default:

http://stackoverflow.com/questions/8203622/argparse-store-false-if-unspecified

   parser.add_argument("url",
                       help="The URL to be viewed")