mpp/utils/camera_source.h
sayon.chen 12431e34d6 [utils]: Support camera as input source
Change-Id: If2a91a7436e05be4705425db40b0b1d41347f4c8
Signed-off-by: sayon.chen <sayon.chen@rock-chips.com>
2020-09-23 10:28:43 +08:00

47 lines
1.4 KiB
C

/*
* Copyright 2015 Rockchip Electronics Co. LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __CAMERA_SOURCE_H__
#define __CAMERA_SOURCE_H__
#include "mpp_frame.h"
typedef struct CamSource CamSource;
#ifdef __cplusplus
extern "C" {
#endif
// Create a new context to capture frames from <fname>. Returns NULL on error.
CamSource* camera_source_init(const char *device, RK_U32 bufcnt, RK_U32 width, RK_U32 height, MppFrameFormat fmt);
// Stop capturing and free a context.
MPP_RET camera_source_deinit(CamSource *ctx);
// Returns the next captured frame and its meta-data.
RK_S32 camera_source_get_frame(CamSource *ctx);
// Tells the kernel it's OK to overwrite a frame captured
MPP_RET camera_source_put_frame(CamSource *ctx, RK_S32 idx);
MppBuffer camera_frame_to_buf(CamSource *ctx, RK_S32 idx);
#ifdef __cplusplus
}
#endif
#endif /* __CAMERA_SOURCE_H__ */