Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(252)

Side by Side Diff: chromecast/media/cma/ipc_streamer/coded_frame_provider_host.h

Issue 2300993003: CmaRenderer is dead. Long live MojoRenderer. (Closed)
Patch Set: update OWNERS file Created 4 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
(Empty)
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 CHROMECAST_MEDIA_CMA_IPC_STREAMER_CODED_FRAME_PROVIDER_HOST_H_
6 #define CHROMECAST_MEDIA_CMA_IPC_STREAMER_CODED_FRAME_PROVIDER_HOST_H_
7
8 #include <memory>
9
10 #include "base/callback.h"
11 #include "base/macros.h"
12 #include "base/memory/weak_ptr.h"
13 #include "base/threading/thread_checker.h"
14 #include "chromecast/media/cma/base/coded_frame_provider.h"
15 #include "media/base/audio_decoder_config.h"
16 #include "media/base/video_decoder_config.h"
17
18 namespace chromecast {
19 namespace media {
20 class MediaMessageFifo;
21
22 // CodedFrameProviderHost is a frame provider that gets the frames
23 // from a media message fifo.
24 class CodedFrameProviderHost : public CodedFrameProvider {
25 public:
26 // Note: if the media message fifo is located into shared memory,
27 // the caller must make sure the shared memory segment is valid
28 // during the whole lifetime of this object.
29 explicit CodedFrameProviderHost(
30 std::unique_ptr<MediaMessageFifo> media_message_fifo);
31 ~CodedFrameProviderHost() override;
32
33 // CodedFrameProvider implementation.
34 void Read(const ReadCB& read_cb) override;
35 void Flush(const base::Closure& flush_cb) override;
36
37 // Invoked when some data has been written into the fifo.
38 void OnFifoWriteEvent();
39 base::Closure GetFifoWriteEventCb();
40
41 private:
42 void ReadMessages();
43
44 base::ThreadChecker thread_checker_;
45
46 // Fifo holding the frames.
47 std::unique_ptr<MediaMessageFifo> fifo_;
48
49 ReadCB read_cb_;
50
51 // Audio/video configuration for the next A/V buffer.
52 ::media::AudioDecoderConfig audio_config_;
53 ::media::VideoDecoderConfig video_config_;
54
55 base::WeakPtr<CodedFrameProviderHost> weak_this_;
56 base::WeakPtrFactory<CodedFrameProviderHost> weak_factory_;
57
58 DISALLOW_COPY_AND_ASSIGN(CodedFrameProviderHost);
59 };
60
61 } // namespace media
62 } // namespace chromecast
63
64 #endif // CHROMECAST_MEDIA_CMA_IPC_STREAMER_CODED_FRAME_PROVIDER_HOST_H_
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698