Index: media/remoting/triggers.h |
diff --git a/media/remoting/triggers.h b/media/remoting/triggers.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6cd790386a753077c52a29f0e7cef595c2a705de |
--- /dev/null |
+++ b/media/remoting/triggers.h |
@@ -0,0 +1,80 @@ |
+// Copyright 2017 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. |
+ |
+#ifndef MEDIA_REMOTING_TRIGGERS_H_ |
+#define MEDIA_REMOTING_TRIGGERS_H_ |
+ |
+namespace media { |
+namespace remoting { |
+ |
+// Events and conditions that can trigger remoting to start. |
+// |
+// NOTE: Never re-number or re-use numbers for different triggers. These are |
+// used in UMA histograms, and must remain backwards-compatible for all time. |
+// However, *do* change START_TRIGGER_MAX to one after the greatest value when |
+// adding new ones. Also, don't forget to update histograms.xml! |
+enum StartTrigger { |
+ UNKNOWN_START_TRIGGER = 0, |
+ |
+ // Local presentation changes. |
+ ENTERED_FULLSCREEN = 1, // The media element became the fullscreen element. |
+ BECAME_DOMINANT_CONTENT = 2, // Element now occupies most of the viewport. |
+ ENABLED_BY_PAGE = 3, // The page re-allowed remote playback. |
+ |
+ // User actions, such as connecting to a receiver or pressing play. |
+ SINK_AVAILABLE = 4, // A receiver (sink) became available. |
+ PLAY_COMMAND = 5, // The media element was issued a play command. |
+ |
+ // Met requirements for playback of the media. |
+ SUPPORTED_AUDIO_CODEC = 6, // Stream began using a supported audio codec. |
+ SUPPORTED_VIDEO_CODEC = 7, // Stream began using a supported video codec. |
+ CDM_READY = 8, // The CDM required for decrypting the content became ready. |
+ |
+ // Change this to the highest value. |
+ START_TRIGGER_MAX = 8, |
+}; |
+ |
+// Events and conditions that can result in a start failure, or trigger remoting |
+// to stop. |
+// |
+// NOTE: Never re-number or re-use numbers for different triggers. These are |
+// used in UMA histograms, and must remain backwards-compatible for all time. |
+// However, *do* change STOP_TRIGGER_MAX to one after the greatest value when |
+// adding new ones. Also, don't forget to update histograms.xml! |
+enum StopTrigger { |
+ UNKNOWN_STOP_TRIGGER = 0, |
+ |
+ // Normal shutdown triggers. |
+ ROUTE_TERMINATED = 1, // The route to the sink was terminated (user action?). |
xjz
2017/01/17 05:36:25
remove ?
miu
2017/01/17 21:09:18
I left it in there because commonly it's the user
|
+ MEDIA_ELEMENT_DESTROYED = 2, // The media element on the page was destroyed. |
+ EXITED_FULLSCREEN = 3, // The media element is no longer fullscreened. |
+ BECAME_AUXILIARY_CONTENT = 4, // Element no longer occupies the viewport. |
+ DISABLED_BY_PAGE = 5, // The web page blocked remoting during a session. |
+ |
+ // Content playback related errors forcing shutdown (or failing start). |
+ START_RACE = 6, // Multiple remoting sessions attempted to start. |
+ UNSUPPORTED_AUDIO_CODEC = 7, // Stream began using an unsupported codec. |
xjz
2017/01/17 05:36:25
nit: s/codec/audio codec
miu
2017/01/17 21:09:18
Done (80 chars is hard).
|
+ UNSUPPORTED_VIDEO_CODEC = 8, // Stream began using an unsupported codec. |
xjz
2017/01/17 05:36:25
nit: s/code/video codec
miu
2017/01/17 21:09:20
Done.
|
+ DECRYPTION_ERROR = 9, // Could not decrypt content or CDM was destroyed. |
+ RECEIVER_INITIALIZE_FAILED = 10, // The receiver reported a failed init. |
+ RECEIVER_PIPELINE_ERROR = 11, // The media pipeline on the receiver error'ed. |
+ |
+ // Environmental errors forcing shutdown. |
+ FRAME_DROP_RATE_HIGH = 12, // The receiver was dropping too many frames. |
+ PACING_TOO_SLOWLY = 13, // Play-out was too slow, indicating bottlenecks. |
+ |
+ // Communications errors forcing shutdown. |
+ PEERS_OUT_OF_SYNC = 14, // The local state disagrees with the remote. |
+ RPC_INVALID = 15, // An RPC field value is missing or has bad data. |
+ DATA_PIPE_CREATE_ERROR = 16, // Mojo data pipe creation failed (OOM?). |
xjz
2017/01/17 05:36:25
ooc: Is OOM the only reason for this error?
miu
2017/01/17 21:09:18
No. It could be due to any weird OS issue (or impl
|
+ MOJO_PIPE_ERROR = 17, // Mojo message/data pipe operation failed. |
+ |
+ // Change this to the highest value. |
+ STOP_TRIGGER_MAX = 17, |
+}; |
+ |
+} // namespace remoting |
+} // namespace media |
+ |
+#endif // MEDIA_REMOTING_TRIGGERS_H_ |