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1 // Copyright 2016 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 #include "media/cdm/simple_cdm_allocator.h" | |
6 | |
7 #include "media/base/video_frame.h" | |
8 #include "media/cdm/cdm_helpers.h" | |
9 #include "media/cdm/simple_cdm_buffer.h" | |
10 #include "ui/gfx/geometry/rect.h" | |
11 #include "ui/gfx/geometry/size.h" | |
12 | |
13 namespace media { | |
14 | |
15 class SimpleCdmVideoFrame : public VideoFrameImpl { | |
xhwang
2016/02/12 08:45:30
Put this in an anonymous namespace.
jrummell
2016/02/12 23:14:20
Done.
| |
16 public: | |
17 SimpleCdmVideoFrame() {} | |
18 ~SimpleCdmVideoFrame() final {} | |
19 | |
20 // VideoFrameImpl implementation. | |
21 scoped_refptr<media::VideoFrame> CreateVideoFrame( | |
22 gfx::Size natural_size) override { | |
xhwang
2016/02/12 08:45:30
s/override/final to be consistent
jrummell
2016/02/12 23:14:20
Done.
| |
23 DCHECK(FrameBuffer()); | |
24 | |
25 SimpleCdmBuffer* buffer = static_cast<SimpleCdmBuffer*>(FrameBuffer()); | |
26 gfx::Size frame_size(Size().width, Size().height); | |
27 scoped_refptr<media::VideoFrame> frame = | |
28 media::VideoFrame::WrapExternalYuvData( | |
29 PIXEL_FORMAT_YV12, frame_size, gfx::Rect(frame_size), natural_size, | |
30 Stride(kYPlane), Stride(kUPlane), Stride(kVPlane), | |
31 buffer->Data() + PlaneOffset(kYPlane), | |
32 buffer->Data() + PlaneOffset(kUPlane), | |
33 buffer->Data() + PlaneOffset(kVPlane), | |
34 base::TimeDelta::FromMicroseconds(Timestamp())); | |
35 | |
36 // The FrameBuffer needs to remain around until |frame| is destroyed. | |
37 frame->AddDestructionObserver( | |
38 base::Bind(&SimpleCdmBuffer::Destroy, base::Unretained(buffer))); | |
xhwang
2016/02/12 08:45:30
This is a little bit tricky. Can we add a unit tes
jrummell
2016/02/12 23:14:20
Done.
| |
39 | |
40 // Clear FrameBuffer so that SimpleCdmVideoFrame no longer has a reference | |
41 // to it. | |
42 SetFrameBuffer(nullptr); | |
43 return frame; | |
44 } | |
45 | |
46 private: | |
47 DISALLOW_COPY_AND_ASSIGN(SimpleCdmVideoFrame); | |
48 }; | |
49 | |
50 SimpleCdmAllocator::SimpleCdmAllocator() {} | |
51 | |
52 SimpleCdmAllocator::~SimpleCdmAllocator() {} | |
53 | |
54 cdm::Buffer* SimpleCdmAllocator::Allocate(uint32_t capacity) { | |
55 if (!capacity) | |
56 return nullptr; | |
57 | |
58 return SimpleCdmBuffer::Create(capacity); | |
59 } | |
60 | |
61 scoped_ptr<VideoFrameImpl> SimpleCdmAllocator::CreateCdmVideoFrame() { | |
62 return make_scoped_ptr(new SimpleCdmVideoFrame()); | |
63 } | |
64 | |
65 } // namespace media | |
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