1// Copyright 2013 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_BASE_ANDROID_VIDEO_DECODER_JOB_H_
6#define MEDIA_BASE_ANDROID_VIDEO_DECODER_JOB_H_
7
8#include <jni.h>
9
10#include "media/base/android/media_decoder_job.h"
11
12namespace media {
13
14class VideoCodecBridge;
15
16// Class for managing video decoding jobs.
17class VideoDecoderJob : public MediaDecoderJob {
18 public:
19  // Create a new VideoDecoderJob instance.
20  // |request_data_cb| - Callback used to request more data for the decoder.
21  // |request_resources_cb| - Callback used to request resources.
22  // |on_demuxer_config_changed_cb| - Callback used to inform the caller that
23  // demuxer config has changed.
24  VideoDecoderJob(
25      const base::Closure& request_data_cb,
26      const base::Closure& request_resources_cb,
27      const base::Closure& on_demuxer_config_changed_cb);
28  virtual ~VideoDecoderJob();
29
30  // Passes a java surface object to the codec. Returns true if the surface
31  // can be used by the decoder, or false otherwise.
32  bool SetVideoSurface(gfx::ScopedJavaSurface surface);
33
34  // MediaDecoderJob implementation.
35  virtual bool HasStream() const OVERRIDE;
36  virtual void Flush() OVERRIDE;
37  virtual void ReleaseDecoderResources() OVERRIDE;
38  virtual void SetDemuxerConfigs(const DemuxerConfigs& configs) OVERRIDE;
39
40  bool next_video_data_is_iframe() {
41    return next_video_data_is_iframe_;
42  }
43
44  int output_width() const { return output_width_; }
45  int output_height() const { return output_height_; }
46
47 private:
48  // MediaDecoderJob implementation.
49  virtual void ReleaseOutputBuffer(
50      int output_buffer_index,
51      size_t size,
52      bool render_output,
53      base::TimeDelta current_presentation_timestamp,
54      const ReleaseOutputCompletionCallback& callback) OVERRIDE;
55  virtual bool ComputeTimeToRender() const OVERRIDE;
56  virtual bool IsCodecReconfigureNeeded(
57      const DemuxerConfigs& configs) const OVERRIDE;
58  virtual bool AreDemuxerConfigsChanged(
59      const DemuxerConfigs& configs) const OVERRIDE;
60  virtual bool CreateMediaCodecBridgeInternal() OVERRIDE;
61  virtual void CurrentDataConsumed(bool is_config_change) OVERRIDE;
62  virtual bool UpdateOutputFormat() OVERRIDE;
63
64  // Returns true if a protected surface is required for video playback.
65  bool IsProtectedSurfaceRequired();
66
67  // Video configs from the demuxer.
68  VideoCodec video_codec_;
69  int config_width_;
70  int config_height_;
71
72  // Video output format.
73  int output_width_;
74  int output_height_;
75
76  // The surface object currently owned by the player.
77  gfx::ScopedJavaSurface surface_;
78
79  // Callbacks to inform the caller about decoder resources change.
80  base::Closure request_resources_cb_;
81  base::Closure release_resources_cb_;
82
83  // Track whether the next access unit is an I-frame. The first access
84  // unit after Flush() and CurrentDataConsumed(true) is guaranteed to be an
85  // I-frame.
86  bool next_video_data_is_iframe_;
87
88  DISALLOW_COPY_AND_ASSIGN(VideoDecoderJob);
89};
90
91}  // namespace media
92
93#endif  // MEDIA_BASE_ANDROID_VIDEO_DECODER_JOB_H_
94