content/common/gpu/media/v4l2_device.h - Issue 1097913002: Remove kIgnoreResolutionLimitsForAcceleratedVideoDecode flag

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Issue 1097913002: Remove kIgnoreResolutionLimitsForAcceleratedVideoDecode flag (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: address review comments Created 5 years, 8 months ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.	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	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 // This file defines the V4L2Device interface which is used by the	5 // This file defines the V4L2Device interface which is used by the

6 // V4L2DecodeAccelerator class to delegate/pass the device specific	6 // V4L2DecodeAccelerator class to delegate/pass the device specific

7 // handling of any of the functionalities.	7 // handling of any of the functionalities.

8	8

9 #ifndef CONTENT_COMMON_GPU_MEDIA_V4L2_DEVICE_H_	9 #ifndef CONTENT_COMMON_GPU_MEDIA_V4L2_DEVICE_H_

10 #define CONTENT_COMMON_GPU_MEDIA_V4L2_DEVICE_H_	10 #define CONTENT_COMMON_GPU_MEDIA_V4L2_DEVICE_H_

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27 : public base::RefCountedThreadSafe<V4L2Device> {	27 : public base::RefCountedThreadSafe<V4L2Device> {

28 public:	28 public:

29 // Utility format conversion functions	29 // Utility format conversion functions

30 static media::VideoFrame::Format V4L2PixFmtToVideoFrameFormat(uint32 format);	30 static media::VideoFrame::Format V4L2PixFmtToVideoFrameFormat(uint32 format);

31 static uint32 VideoFrameFormatToV4L2PixFmt(media::VideoFrame::Format format);	31 static uint32 VideoFrameFormatToV4L2PixFmt(media::VideoFrame::Format format);

32 static uint32 VideoCodecProfileToV4L2PixFmt(media::VideoCodecProfile profile,	32 static uint32 VideoCodecProfileToV4L2PixFmt(media::VideoCodecProfile profile,

33 bool slice_based);	33 bool slice_based);

34 static uint32_t V4L2PixFmtToDrmFormat(uint32_t format);	34 static uint32_t V4L2PixFmtToDrmFormat(uint32_t format);

35 // Convert format requirements requested by a V4L2 device to gfx::Size.	35 // Convert format requirements requested by a V4L2 device to gfx::Size.

36 static gfx::Size CodedSizeFromV4L2Format(struct v4l2_format format);	36 static gfx::Size CodedSizeFromV4L2Format(struct v4l2_format format);

	37 // Get maximum resolution for fourcc format.

	38 static gfx::Size GetMaxSupportedResolution(
	wuchengli 2015/04/21 08:46:41 This should be a member function, not static. But This should be a member function, not static. But does this work for image processor?
	39 const scoped_refptr<V4L2Device>& device, unsigned int pixelformat);

37	40

38 enum Type {	41 enum Type {

39 kDecoder,	42 kDecoder,

40 kEncoder,	43 kEncoder,

41 kImageProcessor,	44 kImageProcessor,

42 };	45 };

43	46

44 // Creates and initializes an appropriate V4L2Device of \|type\| for the	47 // Creates and initializes an appropriate V4L2Device of \|type\| for the

45 // current platform and returns a scoped_ptr<V4L2Device> on success, or NULL.	48 // current platform and returns a scoped_ptr<V4L2Device> on success, or NULL.

46 static scoped_refptr<V4L2Device> Create(Type type);	49 static scoped_refptr<V4L2Device> Create(Type type);

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107 virtual uint32 PreferredInputFormat() = 0;	110 virtual uint32 PreferredInputFormat() = 0;

108	111

109 protected:	112 protected:

110 friend class base::RefCountedThreadSafe<V4L2Device>;	113 friend class base::RefCountedThreadSafe<V4L2Device>;

111 virtual ~V4L2Device();	114 virtual ~V4L2Device();

112 };	115 };

113	116

114 } // namespace content	117 } // namespace content

115	118

116 #endif // CONTENT_COMMON_GPU_MEDIA_V4L2_DEVICE_H_	119 #endif // CONTENT_COMMON_GPU_MEDIA_V4L2_DEVICE_H_

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