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Side by Side Diff: media/base/android/media_codec_video_decoder.h

Issue 1682923003: Rename browser side MediaCodec-based decoders (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Reformatted to make bots happy Created 4 years, 10 months ago
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1 // Copyright 2015 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_MEDIA_CODEC_VIDEO_DECODER_H_
6 #define MEDIA_BASE_ANDROID_MEDIA_CODEC_VIDEO_DECODER_H_
7
8 #include <stddef.h>
9
10 #include <set>
11 #include "base/macros.h"
12 #include "media/base/android/media_codec_decoder.h"
13 #include "ui/gfx/geometry/size.h"
14 #include "ui/gl/android/scoped_java_surface.h"
15
16 namespace media {
17
18 // Video decoder for MediaCodecPlayer
19 class MediaCodecVideoDecoder : public MediaCodecDecoder {
20 public:
21 // Typedefs for the notification callbacks
22 typedef base::Callback<void(const gfx::Size& video_size)>
23 VideoSizeChangedCallback;
24
25 // For parameters see media_codec_decoder.h
26 // update_current_time_cb: callback that reports current playback time.
27 // Called for released output frame,
28 // video_size_changed_cb: reports the new video size,
29 // codec_created_cb: reports that video codec has been created. A controller
30 // class might use it to release more resources so that this
31 // decoder can use them.
32 MediaCodecVideoDecoder(
33 const scoped_refptr<base::SingleThreadTaskRunner>& media_runner,
34 FrameStatistics* frame_statistics,
35 const base::Closure& request_data_cb,
36 const base::Closure& starvation_cb,
37 const base::Closure& drained_requested_cb,
38 const base::Closure& stop_done_cb,
39 const base::Closure& waiting_for_decryption_key_cb,
40 const base::Closure& error_cb,
41 const SetTimeCallback& update_current_time_cb,
42 const VideoSizeChangedCallback& video_size_changed_cb);
43 ~MediaCodecVideoDecoder() override;
44
45 const char* class_name() const override;
46
47 bool HasStream() const override;
48 void SetDemuxerConfigs(const DemuxerConfigs& configs) override;
49 bool IsContentEncrypted() const override;
50 void ReleaseDecoderResources() override;
51 void ReleaseMediaCodec() override;
52
53 // Stores the video surface to use with upcoming Configure()
54 void SetVideoSurface(gfx::ScopedJavaSurface surface);
55
56 // Returns true if there is a video surface to use.
57 bool HasVideoSurface() const;
58
59 // Sets whether protected surface is needed for the currently used DRM.
60 void SetProtectedSurfaceRequired(bool value);
61
62 // Returns true if protected surface is needed.
63 bool IsProtectedSurfaceRequired() const;
64
65 protected:
66 bool IsCodecReconfigureNeeded(const DemuxerConfigs& next) const override;
67 ConfigStatus ConfigureInternal(jobject media_crypto) override;
68 void AssociateCurrentTimeWithPTS(base::TimeDelta pts) override;
69 void DissociatePTSFromTime() override;
70 void OnOutputFormatChanged() override;
71 void Render(int buffer_index,
72 size_t offset,
73 size_t size,
74 RenderMode render_mode,
75 base::TimeDelta pts,
76 bool eos_encountered) override;
77
78 int NumDelayedRenderTasks() const override;
79 void ReleaseDelayedBuffers() override;
80
81 #ifndef NDEBUG
82 void VerifyUnitIsKeyFrame(const AccessUnit* unit) const override;
83 #endif
84
85 private:
86 // A helper method that releases output buffers and does
87 // post-release checks. Might be called by Render() or posted
88 // for later execution.
89 void ReleaseOutputBuffer(int buffer_index,
90 base::TimeDelta pts,
91 bool render,
92 bool update_time,
93 bool eos_encountered);
94
95 // Data.
96
97 // Configuration received from demuxer
98 DemuxerConfigs configs_;
99
100 // Video surface that we render to.
101 gfx::ScopedJavaSurface surface_;
102
103 // Flags that indicates whether we need protected surface.
104 bool is_protected_surface_required_;
105
106 // Reports current playback time to the callee.
107 SetTimeCallback update_current_time_cb_;
108
109 // Informs the callee that video size is changed.
110 VideoSizeChangedCallback video_size_changed_cb_;
111
112 // Current video size to be sent with |video_size_changed_cb_|.
113 gfx::Size video_size_;
114
115 // Indices of output buffers that are posted for rendering.
116 std::set<int> delayed_buffers_;
117
118 // Associate presentation timestamps with time.
119 base::TimeTicks start_time_ticks_;
120 base::TimeDelta start_pts_;
121
122 // Mantain the last seen PTS for stand-alone EOS.
123 base::TimeDelta last_seen_pts_;
124
125 DISALLOW_COPY_AND_ASSIGN(MediaCodecVideoDecoder);
126 };
127
128 } // namespace media
129
130 #endif // MEDIA_BASE_ANDROID_MEDIA_CODEC_VIDEO_DECODER_H_
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