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Side by Side Diff: media/gpu/v4l2_device.h

Issue 1939683002: Test X11 header pollution (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 7 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 MEDIA_GPU_V4L2_DEVICE_H_
10 #define CONTENT_COMMON_GPU_MEDIA_V4L2_DEVICE_H_ 10 #define MEDIA_GPU_V4L2_DEVICE_H_
11 11
12 #include <stddef.h> 12 #include <stddef.h>
13 #include <stdint.h> 13 #include <stdint.h>
14 14
15 #include <linux/videodev2.h> 15 #include <linux/videodev2.h>
16 16
17 #include "base/files/scoped_file.h" 17 #include "base/files/scoped_file.h"
18 #include "base/memory/ref_counted.h" 18 #include "base/memory/ref_counted.h"
19 #include "content/common/content_export.h"
20 #include "media/base/video_decoder_config.h" 19 #include "media/base/video_decoder_config.h"
21 #include "media/base/video_frame.h" 20 #include "media/base/video_frame.h"
21 #include "media/gpu/media_gpu_export.h"
22 #include "media/video/video_decode_accelerator.h" 22 #include "media/video/video_decode_accelerator.h"
23 #include "ui/gfx/geometry/size.h" 23 #include "ui/gfx/geometry/size.h"
24 #include "ui/gl/gl_bindings.h" 24 #include "ui/gl/gl_bindings.h"
25 25
26 // TODO(posciak): remove this once V4L2 headers are updated. 26 // TODO(posciak): remove this once V4L2 headers are updated.
27 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') 27 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0')
28 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') 28 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4')
29 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') 29 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F')
30 #define V4L2_PIX_FMT_MT21 v4l2_fourcc('M', 'T', '2', '1') 30 #define V4L2_PIX_FMT_MT21 v4l2_fourcc('M', 'T', '2', '1')
31 31
32 namespace content { 32 namespace media {
33 33
34 class CONTENT_EXPORT V4L2Device 34 class MEDIA_GPU_EXPORT V4L2Device
35 : public base::RefCountedThreadSafe<V4L2Device> { 35 : public base::RefCountedThreadSafe<V4L2Device> {
36 public: 36 public:
37 // Utility format conversion functions 37 // Utility format conversion functions
38 static media::VideoPixelFormat V4L2PixFmtToVideoPixelFormat(uint32_t format); 38 static media::VideoPixelFormat V4L2PixFmtToVideoPixelFormat(uint32_t format);
39 static uint32_t VideoPixelFormatToV4L2PixFmt(media::VideoPixelFormat format); 39 static uint32_t VideoPixelFormatToV4L2PixFmt(media::VideoPixelFormat format);
40 static uint32_t VideoCodecProfileToV4L2PixFmt( 40 static uint32_t VideoCodecProfileToV4L2PixFmt(
41 media::VideoCodecProfile profile, 41 media::VideoCodecProfile profile,
42 bool slice_based); 42 bool slice_based);
43 static uint32_t V4L2PixFmtToDrmFormat(uint32_t format); 43 static uint32_t V4L2PixFmtToDrmFormat(uint32_t format);
44 // Convert format requirements requested by a V4L2 device to gfx::Size. 44 // Convert format requirements requested by a V4L2 device to gfx::Size.
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124 EGLImageKHR egl_image) = 0; 124 EGLImageKHR egl_image) = 0;
125 125
126 // Returns the supported texture target for the V4L2Device. 126 // Returns the supported texture target for the V4L2Device.
127 virtual GLenum GetTextureTarget() = 0; 127 virtual GLenum GetTextureTarget() = 0;
128 128
129 // Returns the preferred V4L2 input format or 0 if don't care. 129 // Returns the preferred V4L2 input format or 0 if don't care.
130 virtual uint32_t PreferredInputFormat() = 0; 130 virtual uint32_t PreferredInputFormat() = 0;
131 131
132 // Get minimum and maximum resolution for fourcc |pixelformat| and store to 132 // Get minimum and maximum resolution for fourcc |pixelformat| and store to
133 // |min_resolution| and |max_resolution|. 133 // |min_resolution| and |max_resolution|.
134 void GetSupportedResolution(uint32_t pixelformat, gfx::Size* min_resolution, 134 void GetSupportedResolution(uint32_t pixelformat,
135 gfx::Size* min_resolution,
135 gfx::Size* max_resolution); 136 gfx::Size* max_resolution);
136 137
137 // Return supported profiles for decoder, including only profiles for given 138 // Return supported profiles for decoder, including only profiles for given
138 // fourcc |pixelformats|. 139 // fourcc |pixelformats|.
139 media::VideoDecodeAccelerator::SupportedProfiles GetSupportedDecodeProfiles( 140 media::VideoDecodeAccelerator::SupportedProfiles GetSupportedDecodeProfiles(
140 const size_t num_formats, const uint32_t pixelformats[]); 141 const size_t num_formats,
142 const uint32_t pixelformats[]);
141 143
142 // Return true if the device supports |profile|, taking into account only 144 // Return true if the device supports |profile|, taking into account only
143 // fourccs from the given array of |pixelformats| of size |num_formats|. 145 // fourccs from the given array of |pixelformats| of size |num_formats|.
144 bool SupportsDecodeProfileForV4L2PixelFormats( 146 bool SupportsDecodeProfileForV4L2PixelFormats(
145 media::VideoCodecProfile profile, 147 media::VideoCodecProfile profile,
146 const size_t num_formats, 148 const size_t num_formats,
147 const uint32_t pixelformats[]); 149 const uint32_t pixelformats[]);
148 150
149 protected: 151 protected:
150 friend class base::RefCountedThreadSafe<V4L2Device>; 152 friend class base::RefCountedThreadSafe<V4L2Device>;
151 explicit V4L2Device(Type type); 153 explicit V4L2Device(Type type);
152 virtual ~V4L2Device(); 154 virtual ~V4L2Device();
153 155
154 const Type type_; 156 const Type type_;
155 }; 157 };
156 158
157 } // namespace content 159 } // namespace media
158 160
159 #endif // CONTENT_COMMON_GPU_MEDIA_V4L2_DEVICE_H_ 161 #endif // MEDIA_GPU_V4L2_DEVICE_H_
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