mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-08 18:39:54 +00:00
75 lines
3.3 KiB
C
75 lines
3.3 KiB
C
/*
|
|
Copyright (c) 2013, Broadcom Europe Ltd
|
|
Copyright (c) 2013, James Hughes
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
* Neither the name of the copyright holder nor the
|
|
names of its contributors may be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
|
|
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef RASPIPREVIEW_H_
|
|
#define RASPIPREVIEW_H_
|
|
|
|
/// Layer that preview window should be displayed on
|
|
#define PREVIEW_LAYER 2
|
|
|
|
// Frames rates of 0 implies variable, but denominator needs to be 1 to prevent div by 0
|
|
#define PREVIEW_FRAME_RATE_NUM 0
|
|
#define PREVIEW_FRAME_RATE_DEN 1
|
|
|
|
#define FULL_RES_PREVIEW_FRAME_RATE_NUM 0
|
|
#define FULL_RES_PREVIEW_FRAME_RATE_DEN 1
|
|
|
|
#define FULL_FOV_PREVIEW_16x9_X 1280
|
|
#define FULL_FOV_PREVIEW_16x9_Y 720
|
|
|
|
#define FULL_FOV_PREVIEW_4x3_X 1296
|
|
#define FULL_FOV_PREVIEW_4x3_Y 972
|
|
|
|
#define FULL_FOV_PREVIEW_FRAME_RATE_NUM 0
|
|
#define FULL_FOV_PREVIEW_FRAME_RATE_DEN 1
|
|
|
|
typedef struct
|
|
{
|
|
MMAL_COMPONENT_T *preview_component; /// Pointer to the created preview display component
|
|
int havePreview; /// component is preview, else null sink
|
|
} RASPIPREVIEW_STATE;
|
|
|
|
typedef struct
|
|
{
|
|
int wantPreview; /// Display a preview
|
|
int wantFullScreenPreview; /// 0 is use previewRect, non-zero to use full screen
|
|
int opacity; /// Opacity of window - 0 = transparent, 255 = opaque
|
|
MMAL_RECT_T previewWindow; /// Destination rectangle for the preview window.
|
|
} RASPIPREVIEW_PARAMETERS;
|
|
|
|
MMAL_STATUS_T raspipreview_create(RASPIPREVIEW_STATE *state,
|
|
RASPIPREVIEW_PARAMETERS *config);
|
|
void raspipreview_destroy(RASPIPREVIEW_STATE *state);
|
|
void raspipreview_set_defaults(RASPIPREVIEW_PARAMETERS *config);
|
|
void raspipreview_dump_parameters(RASPIPREVIEW_PARAMETERS *config);
|
|
int raspipreview_parse_cmdline(RASPIPREVIEW_PARAMETERS *config, const char *arg1, const char *arg2);
|
|
void raspipreview_display_help();
|
|
MMAL_STATUS_T raspipreview_update_config (RASPIPREVIEW_STATE *state,
|
|
RASPIPREVIEW_PARAMETERS *config);
|
|
|
|
#endif /* RASPIPREVIEW_H_ */
|