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68 lines
3.1 KiB
68 lines
3.1 KiB
/* |
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Copyright (c) 2013, Broadcom Europe Ltd |
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Copyright (c) 2013, James Hughes |
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All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions are met: |
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* Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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* Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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* Neither the name of the copyright holder nor the |
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names of its contributors may be used to endorse or promote products |
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derived from this software without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY |
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef RASPIPREVIEW_H_ |
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#define RASPIPREVIEW_H_ |
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/// Layer that preview window should be displayed on |
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#define PREVIEW_LAYER 2 |
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// Frames rates of 0 implies variable, but denominator needs to be 1 to prevent div by 0 |
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#define PREVIEW_FRAME_RATE_NUM 0 |
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#define PREVIEW_FRAME_RATE_DEN 1 |
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#define FULL_RES_PREVIEW_FRAME_RATE_NUM 0 |
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#define FULL_RES_PREVIEW_FRAME_RATE_DEN 1 |
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#define FULL_FOV_PREVIEW_16x9_X 1280 |
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#define FULL_FOV_PREVIEW_16x9_Y 720 |
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#define FULL_FOV_PREVIEW_4x3_X 1296 |
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#define FULL_FOV_PREVIEW_4x3_Y 972 |
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#define FULL_FOV_PREVIEW_FRAME_RATE_NUM 0 |
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#define FULL_FOV_PREVIEW_FRAME_RATE_DEN 1 |
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typedef struct |
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{ |
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int wantPreview; /// Display a preview |
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int wantFullScreenPreview; /// 0 is use previewRect, non-zero to use full screen |
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int opacity; /// Opacity of window - 0 = transparent, 255 = opaque |
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MMAL_RECT_T previewWindow; /// Destination rectangle for the preview window. |
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MMAL_COMPONENT_T *preview_component; /// Pointer to the created preview display component |
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int display_num; /// Display number to use. |
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} RASPIPREVIEW_PARAMETERS; |
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MMAL_STATUS_T raspipreview_create(RASPIPREVIEW_PARAMETERS *state); |
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void raspipreview_destroy(RASPIPREVIEW_PARAMETERS *state); |
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void raspipreview_set_defaults(RASPIPREVIEW_PARAMETERS *state); |
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void raspipreview_dump_parameters(RASPIPREVIEW_PARAMETERS *state); |
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int raspipreview_parse_cmdline(RASPIPREVIEW_PARAMETERS *params, const char *arg1, const char *arg2); |
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void raspipreview_display_help(); |
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#endif /* RASPIPREVIEW_H_ */
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