ffmpeg_VideoTranscode.c
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/* Includes ------------------------------------------------------------------*/
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
// 自建库
#include "JZsdkLib.h"
// 拍照转码函数
T_JZsdkReturnCode FFMPEG_ShootPhotoTransCode(int width, int height)
{
char ffmpegCmdStr[256]; //ffmpeg指令
int ret;
FILE *NUMBER_SET_fp;
//地址拼接
char str1[40] = "/root/sdcard/DCIM/Photos/PSDK_PHOTO";
char str2[6] = ".jpg";
char *InPutPath = "/root/sdcard/DCIM/Photos/temp.h264";
char OutPath[256];
int Numset;
//从文件中读取序号
NUMBER_SET_fp = fopen("/root/sdcard/DCIM/Photos/pthoto_number.txt","r");
//如果没有记录文件
if(NUMBER_SET_fp == NULL)
{
//新建一个记录文件，并写入0
NUMBER_SET_fp = fopen("/root/sdcard/DCIM/Photos/pthoto_number.txt","w");
fprintf(NUMBER_SET_fp, "%d", Numset);
}
// 从文件中读取Numset，并自增1
else
{
fscanf(NUMBER_SET_fp, "%d", &Numset);
Numset++;
fclose(NUMBER_SET_fp);
// 将新的LogNum写回文件中
NUMBER_SET_fp = fopen("/root/sdcard/DCIM/Photos/pthoto_number.txt", "w");
fprintf(NUMBER_SET_fp, "%d", Numset);
}
//关闭序号文件
fclose(NUMBER_SET_fp);
NUMBER_SET_fp = NULL;
//拼接出输入地址
snprintf(OutPath, 256, "%s_%05d%s", str1, Numset, str2);
JZSDK_LOG_INFO("ShootPhoto_OutPath:%s",OutPath);
//将h264照片转换为jpg格式
snprintf(ffmpegCmdStr, 256,
"echo \"y\" | ffmpeg -i \"%s\" -y -f image2 -t 0.001 -s %dx%d \"%s\" >/dev/null 2>&1",
InPutPath,
width,
height,
OutPath);
// snprintf(ffmpegCmdStr, 256,
// "echo \"y\" | ffmpeg -ss 00:00:01 -i \"%s\" -y -vframes 1 \"%s\" >/dev/null 2>&1",
// InPutPath,
// OutPath);
JZSDK_LOG_INFO("cmdstr:%s",ffmpegCmdStr);
//转码开始
JZsdk_RunSystemCmd(ffmpegCmdStr);
}
// 录像转码函数
T_JZsdkReturnCode FFMPEG_RecordVideoTransCode()
{
char ffmpegCmdStr[256]; //ffmpeg指令
int ret;
FILE *NUMBER_SET_fp;
//地址拼接
char str1[40] = "/root/sdcard/DCIM/Videos/PSDK_VIDEO";
char str2[6] = ".mp4";
char *InPutPath = "/root/sdcard/DCIM/Videos/temp.h264";
char OutPath[256];
int Numset;
//从文件中读取序号
NUMBER_SET_fp = fopen("/root/sdcard/DCIM/Videos/video_number.txt","r");
//如果没有记录文件
if(NUMBER_SET_fp == NULL)
{
//新建一个记录文件，并写入0
NUMBER_SET_fp = fopen("/root/sdcard/DCIM/Videos/video_number.txt","w");
fprintf(NUMBER_SET_fp, "%d", Numset);
}
// 从文件中读取Numset，并自增1
else
{
fscanf(NUMBER_SET_fp, "%d", &Numset);
Numset++;
fclose(NUMBER_SET_fp);
// 将新的LogNum写回文件中
NUMBER_SET_fp = fopen("/root/sdcard/DCIM/Videos/video_number.txt", "w");
fprintf(NUMBER_SET_fp, "%d", Numset);
}
//关闭序号文件
fclose(NUMBER_SET_fp);
NUMBER_SET_fp = NULL;
//拼接出输入地址
snprintf(OutPath, 256, "%s_%05d%s", str1, Numset, str2);
JZSDK_LOG_INFO("RecordVideo_OutPath:%s",OutPath);
//将h264照片转换为mp4格式
snprintf(ffmpegCmdStr, 256,
"echo \"y\" | ffmpeg -i \"%s\" -y -vcodec copy \"%s\" >/dev/null 2>&1",
InPutPath,
OutPath);
JZSDK_LOG_INFO("cmdstr:%s",ffmpegCmdStr);
//转码开始
JZsdk_RunSystemCmd(ffmpegCmdStr);
}
// // 连拍转码函数 暂不使用
// static void ShootPhoroBurst_transcode()
// {
// //ffmpeg指令
// char ffmpegCmdStr[FFMPEG_CMD_BUF_SIZE];
// char *H3_ShootPhoroBurst_InPath = "/root/sdcard/DCIM/Videos/temp.h264";
// char H3_ShootPhoroBurst_OutPath[FFMPEG_CMD_BUF_SIZE];
// //转码
// char str1[40] = "/root/sdcard/DCIM/Photos/video_";
// char str2[10] = ".mp4";
// //根据时间写名字
// snprintf(H3_ShootPhoroBurst_OutPath, 256, "%s_%d_%d%s", str1,GPS_Receive_Date,GPS_Receive_Time,str2);
// //将h264照片转换为jpg格式
// snprintf(ffmpegCmdStr, FFMPEG_CMD_BUF_SIZE,
// "echo \"y\" | ffmpeg -i \"%s\" -r 25 -f image2 -t 0.001 -s 1280*720 \"%s\" >/dev/null 2>&1",
// H3_ShootPhoroBurst_InPath,
// H3_ShootPhoroBurst_OutPath);
// //ffmpeg -i output.mp4 -r 30 -f image2 foo-%05d.jpeg
// USER_LOG_INFO("录像保存位置:%s",H3_ShootPhoroBurst_OutPath);
// RunSystemCmd(ffmpegCmdStr);
// }