media/filters/test_video_frame_scheduler.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_FILTERS_TEST_VIDEO_FRAME_SCHEDULER_H_
   6 #define MEDIA_FILTERS_TEST_VIDEO_FRAME_SCHEDULER_H_
   7
   8 #include <vector>
   9
  10 #include "media/filters/video_frame_scheduler.h"
  11
  12 namespace media {
  13
  14 // A scheduler that queues frames until told otherwise.
  15 class TestVideoFrameScheduler : public VideoFrameScheduler {
  16  public:
  17   struct ScheduledFrame {
  18     ScheduledFrame(const scoped_refptr<VideoFrame> frame,
  19                    base::TimeTicks wall_ticks,
  20                    const DoneCB& done_cb);
  21     ~ScheduledFrame();
  22
  23     scoped_refptr<VideoFrame> frame;
  24     base::TimeTicks wall_ticks;
  25     DoneCB done_cb;
  26   };
  27
  28   TestVideoFrameScheduler();
  29   virtual ~TestVideoFrameScheduler();
  30
  31   // VideoFrameScheduler implementation.
  32   virtual void ScheduleVideoFrame(const scoped_refptr<VideoFrame>& frame,
  33                                   base::TimeTicks wall_ticks,
  34                                   const DoneCB& done_cb) override;
  35   virtual void Reset() override;
  36
  37   // Displays all frames with scheduled times <= |wall_ticks|.
  38   void DisplayFramesUpTo(base::TimeTicks wall_ticks);
  39
  40   // Drops all frames with scheduled times <= |wall_ticks|.
  41   void DropFramesUpTo(base::TimeTicks wall_ticks);
  42
  43   const std::vector<ScheduledFrame>& scheduled_frames() const {
  44     return scheduled_frames_;
  45   }
  46
  47  private:
  48   void RunDoneCBForFramesUpTo(base::TimeTicks wall_ticks, Reason reason);
  49
  50   std::vector<ScheduledFrame> scheduled_frames_;
  51
  52   DISALLOW_COPY_AND_ASSIGN(TestVideoFrameScheduler);
  53 };
  54
  55 }  // namespace media
  56
  57 #endif  // MEDIA_FILTERS_TEST_VIDEO_FRAME_SCHEDULER_H_