CameraFeatures.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include "../CameraParameter.h"
#include "../V4L2/V4L2_Record.h"
#include "JZsdkLib.h"
#include "./CameraFeatures.h"
#include "version_choose.h"
#define DATA_SEND_FROM_VIDEO_STREAM_MAX_LEN 60000
#define VIDEO_FRAME_AUD_LEN 6
#if APP_VERSION == APP_PSDK
#include "Dji_Control/DJI_VideoDeal.h"
#endif
static const uint8_t s_frameAudInfo[VIDEO_FRAME_AUD_LEN] = {0x00, 0x00, 0x00, 0x01, 0x09, 0x10};
extern int Camera_PushVideoInitFlag;
pthread_mutex_t FrameDealMutex;
//推流入口
static void CameraFeatures_PsdkPushFrame(char* h264_data, uint32_t data_len, int AudLength)
{
unsigned int FrameBufSize = 0;
FrameBufSize = data_len;
//如果视频为大疆H264型
if (PUSHFRAME_VIDEO_TPYE == VIDEO_TPYE_DJIH264)
{
FrameBufSize += VIDEO_FRAME_AUD_LEN;
memcpy(h264_data + data_len, s_frameAudInfo, VIDEO_FRAME_AUD_LEN);
//printf("大疆264型\n");
}
else
{
//printf("普通h264\n");
}
//放入到对应的传输函数
#if APP_VERSION == APP_PSDK
//大疆模式，往大疆入口推流
DJI_VideoDeal_Push_DJIH264Frame(h264_data, FrameBufSize);
#endif
}
//线程方案
static void *JZsdk_CameraFrameDeal_thread(void *args)
{
int FrameLength;
int AudLength ; //帧尾长度
JZSDK_LOG_INFO("JZsdk_CameraFrameDeal_thread创建完毕\n");
while (1)
{
pthread_mutex_lock(&FrameDealMutex);
//如果已经初始化了摄像头及推流部分
if (Camera_PushVideoInitFlag == JZ_FLAGCODE_OFF)
{
continue;
}
//创建一个缓存区，用于存放视频数据
char *FrameDealBuffer;
FrameLength = 0;
//如果要求的推送的视频流是 djih264
if (PUSHFRAME_VIDEO_TPYE == VIDEO_TPYE_DJIH264)
{
AudLength = VIDEO_FRAME_AUD_LEN ;
}
//如果要求的是普通的h264
else if (PUSHFRAME_VIDEO_TPYE == VIDEO_TPYE_H264)
{
AudLength = 0 ;
}
else
{
AudLength = 0 ;
}
//从摄像头录制并取出一帧数据
V4L2_CameraFrameRecord(&FrameDealBuffer, &FrameLength, AudLength);
//拍照处理函数
V4L2_ShootPhotoDeal(FrameDealBuffer, FrameLength);
//录像处理函数
V4L2_RecordVedioDeal(FrameDealBuffer, FrameLength);
//连拍处理函数
//FrameDeal_ShootPhotoBurstDeal(FrameDealBuffer, FrameLength);
//推送一帧
CameraFeatures_PsdkPushFrame(FrameDealBuffer, FrameLength, AudLength);
free(FrameDealBuffer);
}
pthread_exit(NULL);
}
T_JZsdkReturnCode CameraFeatures_FrameDeal_thread_Init()
{
pthread_mutex_init(&FrameDealMutex, NULL); // 创建互斥锁
pthread_t FrameDeal_thread;
pthread_create(&FrameDeal_thread, NULL, JZsdk_CameraFrameDeal_thread, NULL);
}
T_JZsdkReturnCode CameraFeatures_FrameDealThread_UnlockFun()
{
//解锁帧处理线程
pthread_mutex_unlock(&FrameDealMutex);
return 0;
}