| OLD | NEW |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 MEDIA_BASE_VIDEO_CAPTURE_TYPES_H_ | 5 #ifndef MEDIA_BASE_VIDEO_CAPTURE_TYPES_H_ |
| 6 #define MEDIA_BASE_VIDEO_CAPTURE_TYPES_H_ | 6 #define MEDIA_BASE_VIDEO_CAPTURE_TYPES_H_ |
| 7 | 7 |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "build/build_config.h" | 10 #include "build/build_config.h" |
| 11 #include "media/base/media_export.h" | 11 #include "media/base/media_export.h" |
| 12 #include "ui/gfx/geometry/size.h" | 12 #include "ui/gfx/geometry/size.h" |
| 13 | 13 |
| 14 namespace media { | 14 namespace media { |
| 15 | 15 |
| 16 // TODO(wjia): this type should be defined in a common place and | 16 // TODO(wjia): this type should be defined in a common place and |
| 17 // shared with device manager. | 17 // shared with device manager. |
| 18 typedef int VideoCaptureSessionId; | 18 typedef int VideoCaptureSessionId; |
| 19 | 19 |
| 20 // Color formats from camera. This list is sorted in order of preference. | 20 // Color formats from camera. This list is sorted in order of preference. |
| 21 // TODO(mcasas): Consider if this list can be merged with media::Format. | |
| 22 enum VideoPixelFormat { | 21 enum VideoPixelFormat { |
| 23 PIXEL_FORMAT_I420, | 22 PIXEL_FORMAT_I420, |
| 24 PIXEL_FORMAT_YV12, | 23 PIXEL_FORMAT_YV12, |
| 25 PIXEL_FORMAT_NV12, | 24 PIXEL_FORMAT_NV12, |
| 26 PIXEL_FORMAT_NV21, | 25 PIXEL_FORMAT_NV21, |
| 27 PIXEL_FORMAT_UYVY, | 26 PIXEL_FORMAT_UYVY, |
| 28 PIXEL_FORMAT_YUY2, | 27 PIXEL_FORMAT_YUY2, |
| 29 PIXEL_FORMAT_RGB24, | 28 PIXEL_FORMAT_RGB24, |
| 30 PIXEL_FORMAT_RGB32, | 29 PIXEL_FORMAT_RGB32, |
| 31 PIXEL_FORMAT_ARGB, | 30 PIXEL_FORMAT_ARGB, |
| 32 PIXEL_FORMAT_MJPEG, | 31 PIXEL_FORMAT_MJPEG, |
| 32 PIXEL_FORMAT_TEXTURE, // Capture format as a GL texture. |
| 33 PIXEL_FORMAT_GPUMEMORYBUFFER, |
| 33 PIXEL_FORMAT_UNKNOWN, // Color format not set. | 34 PIXEL_FORMAT_UNKNOWN, // Color format not set. |
| 34 PIXEL_FORMAT_MAX, | 35 PIXEL_FORMAT_MAX, |
| 35 }; | 36 }; |
| 36 | 37 |
| 37 // Storage type for the pixels. In principle, all combinations of Storage and | |
| 38 // Format are possible, though some are very typical, such as texture + ARGB, | |
| 39 // and others are only available if the platform allows it e.g. GpuMemoryBuffer. | |
| 40 enum VideoPixelStorage { | |
| 41 PIXEL_STORAGE_CPU, | |
| 42 PIXEL_STORAGE_TEXTURE, | |
| 43 PIXEL_STORAGE_GPUMEMORYBUFFER, | |
| 44 }; | |
| 45 | |
| 46 // Policies for capture devices that have source content that varies in size. | 38 // Policies for capture devices that have source content that varies in size. |
| 47 // It is up to the implementation how the captured content will be transformed | 39 // It is up to the implementation how the captured content will be transformed |
| 48 // (e.g., scaling and/or letterboxing) in order to produce video frames that | 40 // (e.g., scaling and/or letterboxing) in order to produce video frames that |
| 49 // strictly adheree to one of these policies. | 41 // strictly adheree to one of these policies. |
| 50 enum ResolutionChangePolicy { | 42 enum ResolutionChangePolicy { |
| 51 // Capture device outputs a fixed resolution all the time. The resolution of | 43 // Capture device outputs a fixed resolution all the time. The resolution of |
| 52 // the first frame is the resolution for all frames. | 44 // the first frame is the resolution for all frames. |
| 53 RESOLUTION_POLICY_FIXED_RESOLUTION, | 45 RESOLUTION_POLICY_FIXED_RESOLUTION, |
| 54 | 46 |
| 55 // Capture device is allowed to output frames of varying resolutions. The | 47 // Capture device is allowed to output frames of varying resolutions. The |
| (...skipping 16 matching lines...) Expand all Loading... |
| 72 | 64 |
| 73 // Video capture format specification. | 65 // Video capture format specification. |
| 74 // This class is used by the video capture device to specify the format of every | 66 // This class is used by the video capture device to specify the format of every |
| 75 // frame captured and returned to a client. It is also used to specify a | 67 // frame captured and returned to a client. It is also used to specify a |
| 76 // supported capture format by a device. | 68 // supported capture format by a device. |
| 77 struct MEDIA_EXPORT VideoCaptureFormat { | 69 struct MEDIA_EXPORT VideoCaptureFormat { |
| 78 VideoCaptureFormat(); | 70 VideoCaptureFormat(); |
| 79 VideoCaptureFormat(const gfx::Size& frame_size, | 71 VideoCaptureFormat(const gfx::Size& frame_size, |
| 80 float frame_rate, | 72 float frame_rate, |
| 81 VideoPixelFormat pixel_format); | 73 VideoPixelFormat pixel_format); |
| 82 VideoCaptureFormat(const gfx::Size& frame_size, | |
| 83 float frame_rate, | |
| 84 VideoPixelFormat pixel_format, | |
| 85 VideoPixelStorage pixel_storage); | |
| 86 | 74 |
| 87 // TODO(mcasas): Remove this method http://crbug.com/501134. | |
| 88 std::string ToString() const; | 75 std::string ToString() const; |
| 89 static std::string PixelFormatToString(VideoPixelFormat format); | 76 static std::string PixelFormatToString(VideoPixelFormat format); |
| 90 static std::string PixelStorageToString(VideoPixelStorage storage); | |
| 91 | 77 |
| 92 // Returns the required buffer size to hold an image of a given | 78 // Returns the required buffer size to hold an image of a given |
| 93 // VideoCaptureFormat with no padding and tightly packed. | 79 // VideoCaptureFormat with no padding and tightly packed. |
| 94 size_t ImageAllocationSize() const; | 80 size_t ImageAllocationSize() const; |
| 95 | 81 |
| 96 // Checks that all values are in the expected range. All limits are specified | 82 // Checks that all values are in the expected range. All limits are specified |
| 97 // in media::Limits. | 83 // in media::Limits. |
| 98 bool IsValid() const; | 84 bool IsValid() const; |
| 99 | 85 |
| 100 bool operator==(const VideoCaptureFormat& other) const { | 86 bool operator==(const VideoCaptureFormat& other) const { |
| 101 return frame_size == other.frame_size && | 87 return frame_size == other.frame_size && |
| 102 frame_rate == other.frame_rate && | 88 frame_rate == other.frame_rate && |
| 103 pixel_format == other.pixel_format; | 89 pixel_format == other.pixel_format; |
| 104 } | 90 } |
| 105 | 91 |
| 106 gfx::Size frame_size; | 92 gfx::Size frame_size; |
| 107 float frame_rate; | 93 float frame_rate; |
| 108 VideoPixelFormat pixel_format; | 94 VideoPixelFormat pixel_format; |
| 109 VideoPixelStorage pixel_storage; | |
| 110 }; | 95 }; |
| 111 | 96 |
| 112 typedef std::vector<VideoCaptureFormat> VideoCaptureFormats; | 97 typedef std::vector<VideoCaptureFormat> VideoCaptureFormats; |
| 113 | 98 |
| 114 // Parameters for starting video capture. | 99 // Parameters for starting video capture. |
| 115 // This class is used by the client of a video capture device to specify the | 100 // This class is used by the client of a video capture device to specify the |
| 116 // format of frames in which the client would like to have captured frames | 101 // format of frames in which the client would like to have captured frames |
| 117 // returned. | 102 // returned. |
| 118 struct MEDIA_EXPORT VideoCaptureParams { | 103 struct MEDIA_EXPORT VideoCaptureParams { |
| 119 VideoCaptureParams(); | 104 VideoCaptureParams(); |
| (...skipping 14 matching lines...) Expand all Loading... |
| 134 | 119 |
| 135 #if defined(OS_LINUX) | 120 #if defined(OS_LINUX) |
| 136 // Indication to the Driver to try to use native GpuMemoryBuffers. | 121 // Indication to the Driver to try to use native GpuMemoryBuffers. |
| 137 bool use_native_gpu_memory_buffers; | 122 bool use_native_gpu_memory_buffers; |
| 138 #endif | 123 #endif |
| 139 }; | 124 }; |
| 140 | 125 |
| 141 } // namespace media | 126 } // namespace media |
| 142 | 127 |
| 143 #endif // MEDIA_BASE_VIDEO_CAPTURE_TYPES_H_ | 128 #endif // MEDIA_BASE_VIDEO_CAPTURE_TYPES_H_ |
| OLD | NEW |