| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_TYPES_H_ |
| #define MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_TYPES_H_ |
| |
| #include <vector> |
| |
| #include "media/base/media_export.h" |
| #include "ui/gfx/size.h" |
| |
| namespace media { |
| |
| // TODO(wjia): this type should be defined in a common place and |
| // shared with device manager. |
| typedef int VideoCaptureSessionId; |
| |
| // Color formats from camera. |
| enum VideoPixelFormat { |
| PIXEL_FORMAT_UNKNOWN, // Color format not set. |
| PIXEL_FORMAT_I420, |
| PIXEL_FORMAT_YUY2, |
| PIXEL_FORMAT_UYVY, |
| PIXEL_FORMAT_RGB24, |
| PIXEL_FORMAT_ARGB, |
| PIXEL_FORMAT_MJPEG, |
| PIXEL_FORMAT_NV21, |
| PIXEL_FORMAT_YV12, |
| PIXEL_FORMAT_TEXTURE, // Capture format as a GL texture. |
| PIXEL_FORMAT_MAX, |
| }; |
| |
| // Video capture format specification. |
| // This class is used by the video capture device to specify the format of every |
| // frame captured and returned to a client. It is also used to specify a |
| // supported capture format by a device. |
| class MEDIA_EXPORT VideoCaptureFormat { |
| public: |
| VideoCaptureFormat(); |
| VideoCaptureFormat(const gfx::Size& frame_size, |
| int frame_rate, |
| VideoPixelFormat pixel_format); |
| |
| // Checks that all values are in the expected range. All limits are specified |
| // in media::Limits. |
| bool IsValid() const; |
| |
| gfx::Size frame_size; |
| int frame_rate; |
| VideoPixelFormat pixel_format; |
| }; |
| |
| typedef std::vector<VideoCaptureFormat> VideoCaptureFormats; |
| |
| // Parameters for starting video capture. |
| // This class is used by the client of a video capture device to specify the |
| // format of frames in which the client would like to have captured frames |
| // returned. |
| class MEDIA_EXPORT VideoCaptureParams { |
| public: |
| VideoCaptureParams(); |
| |
| // Requests a resolution and format at which the capture will occur. |
| VideoCaptureFormat requested_format; |
| |
| // Allow mid-capture resolution change. |
| bool allow_resolution_change; |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_TYPES_H_ |