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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_RENDERER_MEDIA_RENDER_MEDIA_LOG_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_RENDER_MEDIA_LOG_H_ |
6 #define CONTENT_RENDERER_MEDIA_RENDER_MEDIA_LOG_H_ | 6 #define CONTENT_RENDERER_MEDIA_RENDER_MEDIA_LOG_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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30 // To minimize the number of events sent over the wire, only the latest event | 30 // To minimize the number of events sent over the wire, only the latest event |
31 // added is sent for high frequency events (e.g., BUFFERED_EXTENTS_CHANGED). | 31 // added is sent for high frequency events (e.g., BUFFERED_EXTENTS_CHANGED). |
32 // | 32 // |
33 // It must be constructed on the render thread. | 33 // It must be constructed on the render thread. |
34 class CONTENT_EXPORT RenderMediaLog : public media::MediaLog { | 34 class CONTENT_EXPORT RenderMediaLog : public media::MediaLog { |
35 public: | 35 public: |
36 explicit RenderMediaLog(const GURL& security_origin); | 36 explicit RenderMediaLog(const GURL& security_origin); |
37 | 37 |
38 // MediaLog implementation. | 38 // MediaLog implementation. |
39 void AddEvent(std::unique_ptr<media::MediaLogEvent> event) override; | 39 void AddEvent(std::unique_ptr<media::MediaLogEvent> event) override; |
40 std::string GetLastErrorMessage() override; | 40 std::string GetErrorMessage() override; |
41 void RecordRapporWithSecurityOrigin(const std::string& metric) override; | 41 void RecordRapporWithSecurityOrigin(const std::string& metric) override; |
42 | 42 |
43 // Will reset |last_ipc_send_time_| with the value of NowTicks(). | 43 // Will reset |last_ipc_send_time_| with the value of NowTicks(). |
44 void SetTickClockForTesting(std::unique_ptr<base::TickClock> tick_clock); | 44 void SetTickClockForTesting(std::unique_ptr<base::TickClock> tick_clock); |
45 void SetTaskRunnerForTesting( | 45 void SetTaskRunnerForTesting( |
46 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner); | 46 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner); |
47 | 47 |
48 private: | 48 private: |
49 ~RenderMediaLog() override; | 49 ~RenderMediaLog() override; |
50 | 50 |
51 // Posted as a delayed task on |task_runner_| to throttle ipc message | 51 // Posted as a delayed task on |task_runner_| to throttle ipc message |
52 // frequency. | 52 // frequency. |
53 void SendQueuedMediaEvents(); | 53 void SendQueuedMediaEvents(); |
54 | 54 |
55 // Security origin of the current frame. | 55 // Security origin of the current frame. |
56 const GURL security_origin_; | 56 const GURL security_origin_; |
57 | 57 |
58 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 58 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
59 | 59 |
60 // |lock_| protects access to all of the following member variables. It | 60 // |lock_| protects access to all of the following member variables. It |
61 // allows any render process thread to AddEvent(), while preserving their | 61 // allows any render process thread to AddEvent(), while preserving their |
62 // sequence for throttled send on |task_runner_| and coherent retrieval by | 62 // sequence for throttled send on |task_runner_| and coherent retrieval by |
63 // GetLastErrorMessage(). | 63 // GetErrorMessage(). |
64 mutable base::Lock lock_; | 64 mutable base::Lock lock_; |
65 std::unique_ptr<base::TickClock> tick_clock_; | 65 std::unique_ptr<base::TickClock> tick_clock_; |
66 base::TimeTicks last_ipc_send_time_; | 66 base::TimeTicks last_ipc_send_time_; |
67 std::vector<media::MediaLogEvent> queued_media_events_; | 67 std::vector<media::MediaLogEvent> queued_media_events_; |
68 | 68 |
69 // For enforcing max 1 pending send. | 69 // For enforcing max 1 pending send. |
70 bool ipc_send_pending_; | 70 bool ipc_send_pending_; |
71 | 71 |
72 // Limits the number of events we send over IPC to one. | 72 // Limits the number of events we send over IPC to one. |
73 std::unique_ptr<media::MediaLogEvent> last_buffered_extents_changed_event_; | 73 std::unique_ptr<media::MediaLogEvent> last_buffered_extents_changed_event_; |
74 std::unique_ptr<media::MediaLogEvent> last_duration_changed_event_; | 74 std::unique_ptr<media::MediaLogEvent> last_duration_changed_event_; |
75 | 75 |
76 // Holds a copy of the most recent MEDIA_ERROR_LOG_ENTRY, if any. | 76 // Holds the earliest MEDIA_ERROR_LOG_ENTRY event added to this log. This is |
77 std::unique_ptr<media::MediaLogEvent> last_media_error_log_entry_; | 77 // most likely to contain the most specific information available describing |
| 78 // any eventual fatal error. |
| 79 // TODO(wolenetz): Introduce a reset method to clear this in cases like |
| 80 // non-fatal error recovery like decoder fallback. |
| 81 std::unique_ptr<media::MediaLogEvent> cached_media_error_for_message_; |
78 | 82 |
79 // Holds a copy of the most recent PIPELINE_ERROR, if any. | 83 // Holds a copy of the most recent PIPELINE_ERROR, if any. |
80 std::unique_ptr<media::MediaLogEvent> last_pipeline_error_; | 84 std::unique_ptr<media::MediaLogEvent> last_pipeline_error_; |
81 | 85 |
82 DISALLOW_COPY_AND_ASSIGN(RenderMediaLog); | 86 DISALLOW_COPY_AND_ASSIGN(RenderMediaLog); |
83 }; | 87 }; |
84 | 88 |
85 } // namespace content | 89 } // namespace content |
86 | 90 |
87 #endif // CONTENT_RENDERER_MEDIA_RENDER_MEDIA_LOG_H_ | 91 #endif // CONTENT_RENDERER_MEDIA_RENDER_MEDIA_LOG_H_ |
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