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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_COMMON_GPU_MEDIA_V4L2_JPEG_DECODE_ACCELERATOR_H_ | 5 #ifndef CONTENT_COMMON_GPU_MEDIA_V4L2_JPEG_DECODE_ACCELERATOR_H_ |
6 #define CONTENT_COMMON_GPU_MEDIA_V4L2_JPEG_DECODE_ACCELERATOR_H_ | 6 #define CONTENT_COMMON_GPU_MEDIA_V4L2_JPEG_DECODE_ACCELERATOR_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
11 #include <queue> | 11 #include <queue> |
12 #include <vector> | 12 #include <vector> |
13 | 13 |
14 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #include "base/memory/linked_ptr.h" | 15 #include "base/memory/linked_ptr.h" |
16 #include "base/memory/ref_counted.h" | 16 #include "base/memory/ref_counted.h" |
17 #include "base/memory/weak_ptr.h" | 17 #include "base/memory/weak_ptr.h" |
18 #include "base/single_thread_task_runner.h" | 18 #include "base/single_thread_task_runner.h" |
19 #include "base/threading/thread.h" | 19 #include "base/threading/thread.h" |
20 #include "content/common/content_export.h" | 20 #include "content/common/content_export.h" |
| 21 #include "content/common/gpu/media/shared_memory_region.h" |
21 #include "content/common/gpu/media/v4l2_device.h" | 22 #include "content/common/gpu/media/v4l2_device.h" |
22 #include "media/base/bitstream_buffer.h" | 23 #include "media/base/bitstream_buffer.h" |
23 #include "media/base/video_frame.h" | 24 #include "media/base/video_frame.h" |
24 #include "media/video/jpeg_decode_accelerator.h" | 25 #include "media/video/jpeg_decode_accelerator.h" |
25 | 26 |
26 namespace content { | 27 namespace content { |
27 | 28 |
28 class CONTENT_EXPORT V4L2JpegDecodeAccelerator | 29 class CONTENT_EXPORT V4L2JpegDecodeAccelerator |
29 : public media::JpegDecodeAccelerator { | 30 : public media::JpegDecodeAccelerator { |
30 public: | 31 public: |
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51 bool at_device; | 52 bool at_device; |
52 }; | 53 }; |
53 | 54 |
54 // Job record. Jobs are processed in a FIFO order. This is separate from | 55 // Job record. Jobs are processed in a FIFO order. This is separate from |
55 // BufferRecord of input, because a BufferRecord of input may be returned | 56 // BufferRecord of input, because a BufferRecord of input may be returned |
56 // before we dequeue the corresponding output buffer. It can't always be | 57 // before we dequeue the corresponding output buffer. It can't always be |
57 // associated with a BufferRecord of output immediately either, because at | 58 // associated with a BufferRecord of output immediately either, because at |
58 // the time of submission we may not have one available (and don't need one | 59 // the time of submission we may not have one available (and don't need one |
59 // to submit input to the device). | 60 // to submit input to the device). |
60 struct JobRecord { | 61 struct JobRecord { |
61 JobRecord(media::BitstreamBuffer bitstream_buffer, | 62 JobRecord(const media::BitstreamBuffer& bitstream_buffer, |
62 scoped_refptr<media::VideoFrame> video_frame); | 63 scoped_refptr<media::VideoFrame> video_frame); |
63 ~JobRecord(); | 64 ~JobRecord(); |
64 | 65 |
65 // Input image buffer. | 66 // Input image buffer ID. |
66 media::BitstreamBuffer bitstream_buffer; | 67 int32_t bitstream_buffer_id; |
| 68 // Memory mapped from |bitstream_buffer|. |
| 69 SharedMemoryRegion shm; |
67 // Output frame buffer. | 70 // Output frame buffer. |
68 scoped_refptr<media::VideoFrame> out_frame; | 71 scoped_refptr<media::VideoFrame> out_frame; |
69 // Memory mapped from |bitstream_buffer|. | |
70 scoped_ptr<base::SharedMemory> shm; | |
71 }; | 72 }; |
72 | 73 |
73 void EnqueueInput(); | 74 void EnqueueInput(); |
74 void EnqueueOutput(); | 75 void EnqueueOutput(); |
75 void Dequeue(); | 76 void Dequeue(); |
76 bool EnqueueInputRecord(); | 77 bool EnqueueInputRecord(); |
77 bool EnqueueOutputRecord(); | 78 bool EnqueueOutputRecord(); |
78 bool CreateInputBuffers(); | 79 bool CreateInputBuffers(); |
79 bool CreateOutputBuffers(); | 80 bool CreateOutputBuffers(); |
80 void DestroyInputBuffers(); | 81 void DestroyInputBuffers(); |
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172 // Point to |this| for use in posting tasks from the decoder thread back to | 173 // Point to |this| for use in posting tasks from the decoder thread back to |
173 // the ChildThread. | 174 // the ChildThread. |
174 base::WeakPtr<V4L2JpegDecodeAccelerator> weak_ptr_; | 175 base::WeakPtr<V4L2JpegDecodeAccelerator> weak_ptr_; |
175 | 176 |
176 DISALLOW_COPY_AND_ASSIGN(V4L2JpegDecodeAccelerator); | 177 DISALLOW_COPY_AND_ASSIGN(V4L2JpegDecodeAccelerator); |
177 }; | 178 }; |
178 | 179 |
179 } // namespace content | 180 } // namespace content |
180 | 181 |
181 #endif // CONTENT_COMMON_GPU_MEDIA_V4L2_JPEG_DECODE_ACCELERATOR_H_ | 182 #endif // CONTENT_COMMON_GPU_MEDIA_V4L2_JPEG_DECODE_ACCELERATOR_H_ |
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