1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright 2015 Rockchip Electronics Co. LTD 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Licensed under the Apache License, Version 2.0 (the "License"); 5*4882a593Smuzhiyun * you may not use this file except in compliance with the License. 6*4882a593Smuzhiyun * You may obtain a copy of the License at 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * http://www.apache.org/licenses/LICENSE-2.0 9*4882a593Smuzhiyun * 10*4882a593Smuzhiyun * Unless required by applicable law or agreed to in writing, software 11*4882a593Smuzhiyun * distributed under the License is distributed on an "AS IS" BASIS, 12*4882a593Smuzhiyun * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*4882a593Smuzhiyun * See the License for the specific language governing permissions and 14*4882a593Smuzhiyun * limitations under the License. 15*4882a593Smuzhiyun */ 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #ifndef __CAMERA_SOURCE_H__ 18*4882a593Smuzhiyun #define __CAMERA_SOURCE_H__ 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #include "mpp_frame.h" 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun typedef struct CamSource CamSource; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #ifdef __cplusplus 25*4882a593Smuzhiyun extern "C" { 26*4882a593Smuzhiyun #endif 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun // Create a new context to capture frames from <fname>. Returns NULL on error. 29*4882a593Smuzhiyun CamSource* camera_source_init(const char *device, RK_U32 bufcnt, RK_U32 width, RK_U32 height, MppFrameFormat fmt); 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun // Stop capturing and free a context. 32*4882a593Smuzhiyun MPP_RET camera_source_deinit(CamSource *ctx); 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun // Returns the next captured frame and its meta-data. 35*4882a593Smuzhiyun RK_S32 camera_source_get_frame(CamSource *ctx); 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun // Tells the kernel it's OK to overwrite a frame captured 38*4882a593Smuzhiyun MPP_RET camera_source_put_frame(CamSource *ctx, RK_S32 idx); 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun MppBuffer camera_frame_to_buf(CamSource *ctx, RK_S32 idx); 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #ifdef __cplusplus 43*4882a593Smuzhiyun } 44*4882a593Smuzhiyun #endif 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun #endif /* __CAMERA_SOURCE_H__ */ 47