1 /* 2 * Copyright 2015 Rockchip Electronics Co. LTD 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef __CAMERA_SOURCE_H__ 18 #define __CAMERA_SOURCE_H__ 19 20 #include "mpp_frame.h" 21 22 typedef struct CamSource CamSource; 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 // Create a new context to capture frames from <fname>. Returns NULL on error. 29 CamSource* camera_source_init(const char *device, RK_U32 bufcnt, RK_U32 width, RK_U32 height, MppFrameFormat fmt); 30 31 // Stop capturing and free a context. 32 MPP_RET camera_source_deinit(CamSource *ctx); 33 34 // Returns the next captured frame and its meta-data. 35 RK_S32 camera_source_get_frame(CamSource *ctx); 36 37 // Tells the kernel it's OK to overwrite a frame captured 38 MPP_RET camera_source_put_frame(CamSource *ctx, RK_S32 idx); 39 40 MppBuffer camera_frame_to_buf(CamSource *ctx, RK_S32 idx); 41 42 #ifdef __cplusplus 43 } 44 #endif 45 46 #endif /* __CAMERA_SOURCE_H__ */ 47