嵌入式 hi3518x平台h264+g711a封装mp4代码demo
来源：互联网 发布：c语言布尔类型有什么用 编辑：程序博客网 时间：2024/06/03 19:11
先看代码吧，有代码有真相，具体代码的demo(下载demo的朋友请勿在网上上传我的demo，谢谢)下载连接为：
http://download.csdn.net/detail/skdkjxy/8071721
注：代码demo是一个完整的工程，直接进行make x86或者make arm 就可以到目录src下运行可执行文件了。
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<span style="font-family:Courier New;font-size:12px;">#include <fcntl.h>#include <stdio.h>#include <ctype.h> #include <errno.h>#include <stdlib.h>#include <string.h>#include <limits.h> #include <unistd.h>#include <signal.h>#include <dirent.h>#include <pthread.h> #include <asm/types.h>#include <arpa/inet.h> #include <sys/vfs.h>#include <sys/time.h>#include <sys/wait.h>#include <sys/stat.h> #include <sys/ioctl.h>#include <sys/types.h>#include <sys/socket.h>#include <sys/utsname.h> #include <netdb.h> #include <net/if.h>#include <netinet/in.h>#include <net/route.h>#include <net/if_arp.h> #include <linux/fs.h>#include <linux/sockios.h> #include <linux/netlink.h>#include <linux/rtnetlink.h> #include <netinet/in.h>#include <netinet/ip.h> #include <netinet/ether.h>#include <netinet/ip_icmp.h> #include "faac.h"#include "mp4v2.h" #define JOSEPH_G711A_LOCATION "../av_file/test1.g711a"#define JOSEPH_H264_LOCALTION "../av_file/"#define JOSEPH_MP4_FILE "test.mp4" #define MP4_DETAILS_ALL 0xFFFFFFFF#define NALU_SPS 0#define NALU_PPS 1#define NALU_I 2#define NALU_P 3#define NALU_SET 4 typedef unsigned int uint32_t;typedef unsigned char uint8_t; typedef struct Joseph_Acc_Config{ FILE* fpIn; //打开的音频文件 faacEncHandle hEncoder; //音频文件描述符 unsigned long nSampleRate; //音频采样数 unsigned int nChannels; //音频声道数 unsigned int nPCMBitSize; //音频采样精度 unsigned long nInputSamples; //每次调用编码时所应接收的原始数据长度 unsigned long nMaxOutputBytes; //每次调用编码时生成的AAC数据的最大长度 unsigned char* pbPCMBuffer; //pcm数据 unsigned char* pbAACBuffer; //aac数据}JOSEPH_ACC_CONFIG; typedef struct Joseph_Mp4_Config{ FILE* fpInVideo; //打开的视频文件 MP4FileHandle hFile; //mp4文件描述符 MP4TrackId video; //视频轨道标志符 MP4TrackId audio; //音频轨道标志符 int m_vFrameDur; //帧间隔时间 unsigned int timeScale; //视频每秒的ticks数,如90000 unsigned int fps; //视频帧率 unsigned short width; //视频宽 unsigned short height; //视频高}JOSEPH_MP4_CONFIG; /********************************************************g711a encode decode**********************************************/static const int16_t alawtos16[256] ={ -5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736, -7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784, -2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368, -3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392, -22016, -20992, -24064, -23040, -17920, -16896, -19968, -18944, -30208, -29184, -32256, -31232, -26112, -25088, -28160, -27136, -11008, -10496, -12032, -11520, -8960, -8448, -9984, -9472, -15104, -14592, -16128, -15616, -13056, -12544, -14080, -13568, -344, -328, -376, -360, -280, -264, -312, -296, -472, -456, -504, -488, -408, -392, -440, -424, -88, -72, -120, -104, -24, -8, -56, -40, -216, -200, -248, -232, -152, -136, -184, -168, -1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184, -1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696, -688, -656, -752, -720, -560, -528, -624, -592, -944, -912, -1008, -976, -816, -784, -880, -848, 5504, 5248, 6016, 5760, 4480, 4224, 4992, 4736, 7552, 7296, 8064, 7808, 6528, 6272, 7040, 6784, 2752, 2624, 3008, 2880, 2240, 2112, 2496, 2368, 3776, 3648, 4032, 3904, 3264, 3136, 3520, 3392, 22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944, 30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136, 11008, 10496, 12032, 11520, 8960, 8448, 9984, 9472, 15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568, 344, 328, 376, 360, 280, 264, 312, 296, 472, 456, 504, 488, 408, 392, 440, 424, 88, 72, 120, 104, 24, 8, 56, 40, 216, 200, 248, 232, 152, 136, 184, 168, 1376, 1312, 1504, 1440, 1120, 1056, 1248, 1184, 1888, 1824, 2016, 1952, 1632, 1568, 1760, 1696, 688, 656, 752, 720, 560, 528, 624, 592, 944, 912, 1008, 976, 816, 784, 880, 848}; static const int8_t alaw_encode[2049] ={ 0xD5, 0xD4, 0xD7, 0xD6, 0xD1, 0xD0, 0xD3, 0xD2, 0xDD, 0xDC, 0xDF, 0xDE, 0xD9, 0xD8, 0xDB, 0xDA, 0xC5, 0xC4, 0xC7, 0xC6, 0xC1, 0xC0, 0xC3, 0xC2, 0xCD, 0xCC, 0xCF, 0xCE, 0xC9, 0xC8, 0xCB, 0xCA, 0xF5, 0xF5, 0xF4, 0xF4, 0xF7, 0xF7, 0xF6, 0xF6, 0xF1, 0xF1, 0xF0, 0xF0, 0xF3, 0xF3, 0xF2, 0xF2, 0xFD, 0xFD, 0xFC, 0xFC, 0xFF, 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0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0x2A}; int g711a_decode(void *pout_buf, int *pout_len, const void *pin_buf, const int in_len){ int16_t *dst = (int16_t *)pout_buf; uint8_t *src = (uint8_t *)pin_buf; uint32_t i = 0; int Ret = 0; if ( (NULL == pout_buf) || (NULL == pout_len) || (NULL == pin_buf) || (0 == in_len) ) { return -1; } if ( *pout_len < 2 * in_len ) { return -2; } for( i = 0; i < in_len; i++ ) { *(dst++) = alawtos16[*(src++)]; } Ret = 2 * in_len; return Ret;} int g711a_encode(void *pout_buf, int *pout_len, const void *pin_buf, const int in_len){ int8_t *dst = (int8_t *)pout_buf; int16_t *src = (int16_t *)pin_buf; uint32_t i = 0; int Ret = 0; if ( (NULL == pout_buf) || (NULL == pout_len) || (NULL == pin_buf) || (0 == in_len) ) { return -1; } if ( *pout_len < in_len / 2 ) { return -2; } for( i = 0; i < in_len / 2; i++ ) { int16_t s = *(src++); if( s >= 0) { *(dst++) = alaw_encode[s / 16]; } else { *(dst++) = 0x7F & alaw_encode[s / -16]; } } Ret = in_len / 2; return Ret;} int joseph_get_g711a_frame(JOSEPH_MP4_CONFIG* joseph_mp4_config, unsigned char *nVideoBuffer, int nVideoRet){ int nVideoSize = 0; char nVideoNum[32] = {0}; memset(nVideoNum, 0, 32); sprintf(nVideoNum, "%s%d", JOSEPH_H264_LOCALTION, nVideoRet); joseph_mp4_config->fpInVideo = fopen(nVideoNum, "rb"); memset(nVideoBuffer, 0, 1048576); nVideoSize = fread(nVideoBuffer, 1, 1048576, joseph_mp4_config->fpInVideo); fclose(joseph_mp4_config->fpInVideo); return nVideoSize;} /***********************************************************mp4 encode***********************************************/JOSEPH_MP4_CONFIG* InitMp4Encoder(JOSEPH_ACC_CONFIG* joseph_aac_config){ JOSEPH_MP4_CONFIG *joseph_mp4_config = NULL; joseph_mp4_config =(JOSEPH_MP4_CONFIG *)malloc(sizeof(JOSEPH_MP4_CONFIG)); joseph_mp4_config->m_vFrameDur = 0; joseph_mp4_config->video = MP4_INVALID_TRACK_ID; joseph_mp4_config->audio = MP4_INVALID_TRACK_ID; joseph_mp4_config->hFile = NULL; joseph_mp4_config->timeScale = 90000; joseph_mp4_config->fps = 25; joseph_mp4_config->width = 640; joseph_mp4_config->height = 480; /*file handle*/ joseph_mp4_config->hFile = MP4Create(JOSEPH_MP4_FILE, 0); if(joseph_mp4_config->hFile == MP4_INVALID_FILE_HANDLE) { printf("open file fialed.\n"); return NULL; } MP4SetTimeScale(joseph_mp4_config->hFile, joseph_mp4_config->timeScale); //timeScale /*audio track*/ joseph_mp4_config->audio = MP4AddAudioTrack(joseph_mp4_config->hFile, joseph_aac_config->nSampleRate, \ joseph_aac_config->nInputSamples, MP4_MPEG4_AUDIO_TYPE); if(joseph_mp4_config->audio == MP4_INVALID_TRACK_ID) { printf("add audio track failed.\n"); return NULL; } MP4SetAudioProfileLevel(joseph_mp4_config->hFile, 0x2); unsigned char aacConfig[2] = {0x15, 0x88}; // 0001 0101 1000 1000 MP4SetTrackESConfiguration(joseph_mp4_config->hFile, joseph_mp4_config->audio, aacConfig, 2); return joseph_mp4_config;} //------------------------------------------------------------------------------------------------- Mp4Encode说明// 【h264编码出的NALU规律】// 第一帧 SPS【0 0 0 1 0x67】 PPS【0 0 0 1 0x68】 SEI【0 0 0 1 0x6】 IDR【0 0 0 1 0x65】// p帧 P【0 0 0 1 0x61】// I帧 SPS【0 0 0 1 0x67】 PPS【0 0 0 1 0x68】 IDR【0 0 0 1 0x65】// 【mp4v2封装函数MP4WriteSample】// 此函数接收I/P nalu,该nalu需要用4字节的数据大小头替换原有的起始头，并且数据大小为big-endian格式//-------------------------------------------------------------------------------------------------int Mp4VEncode(JOSEPH_MP4_CONFIG* joseph_mp4_config, unsigned char* naluData, int naluSize){ int index = -1; if(naluData[0]==0 && naluData[1]==0 && naluData[2]==0 && naluData[3]==1 && naluData[4]==0x67) { index = NALU_SPS; printf("%s[%d]====NALU_SPS\n",__FUNCTION__,__LINE__); } if(index!=NALU_SPS && joseph_mp4_config->video == MP4_INVALID_TRACK_ID) { return -1; } if(naluData[0]==0 && naluData[1]==0 && naluData[2]==0 && naluData[3]==1 && naluData[4]==0x68) { index = NALU_PPS; printf("%s[%d]====NALU_PPS\n",__FUNCTION__,__LINE__); } if(naluData[0]==0 && naluData[1]==0 && naluData[2]==0 && naluData[3]==1 && naluData[4]==0x65) { index = NALU_I; printf("%s[%d]====NALU_I\n",__FUNCTION__,__LINE__); } if(naluData[0]==0 && naluData[1]==0 && naluData[2]==0 && naluData[3]==1 && naluData[4]==0x61) { index = NALU_P; printf("%s[%d]====NALU_P\n",__FUNCTION__,__LINE__); } if(naluData[0]==0 && naluData[1]==0 && naluData[2]==0 && naluData[3]==1 && naluData[4]==0x6) { index = NALU_SET; printf("%s[%d]====NALU_SET\n",__FUNCTION__,__LINE__); } switch(index) { case NALU_SPS: if(joseph_mp4_config->video == MP4_INVALID_TRACK_ID) { joseph_mp4_config->video = MP4AddH264VideoTrack (joseph_mp4_config->hFile, joseph_mp4_config->timeScale, //timeScale (joseph_mp4_config->timeScale / joseph_mp4_config->fps), //sampleDuration timeScale/fps joseph_mp4_config->width, // width joseph_mp4_config->height, // height naluData[5], // sps[1] AVCProfileIndication naluData[6], // sps[2] profile_compat naluData[7], // sps[3] AVCLevelIndication 3); // 4 bytes length before each NAL unit if(joseph_mp4_config->video == MP4_INVALID_TRACK_ID) { printf("add video track failed.\n"); return -1; } //MP4SetVideoProfileLevel(joseph_mp4_config->hFile, 1); // Simple Profile @ Level 3 mp4编码标准 MP4SetVideoProfileLevel(joseph_mp4_config->hFile, 0x7F); // Simple Profile @ Level 3 } MP4AddH264SequenceParameterSet(joseph_mp4_config->hFile, joseph_mp4_config->video, naluData+4, naluSize-4); break; case NALU_PPS: MP4AddH264PictureParameterSet(joseph_mp4_config->hFile, joseph_mp4_config->video, naluData+4, naluSize-4); break; case NALU_SET: MP4AddH264PictureParameterSet(joseph_mp4_config->hFile, joseph_mp4_config->video, naluData+4, naluSize-4); break; case NALU_I: { unsigned char* IFrameData = (unsigned char*)malloc((naluSize)* sizeof(unsigned char)); IFrameData[0] = (naluSize-4) >>24; IFrameData[1] = (naluSize-4) >>16; IFrameData[2] = (naluSize-4) >>8; IFrameData[3] = (naluSize-4) &0xff; memcpy(IFrameData+4, naluData+4, naluSize-4); //if(!MP4WriteSample(joseph_mp4_config->hFile, joseph_mp4_config->video, IFrameData, naluSize+1, m_vFrameDur/8000*90000, 0, 1)) if(!MP4WriteSample(joseph_mp4_config->hFile, joseph_mp4_config->video, IFrameData, naluSize, MP4_INVALID_DURATION, 0, 1)) { return -1; } //joseph_mp4_config->m_vFrameDur = 0; free(IFrameData); IFrameData = NULL; break; } case NALU_P: { naluData[0] = (naluSize-4) >>24; naluData[1] = (naluSize-4) >>16; naluData[2] = (naluSize-4) >>8; naluData[3] = (naluSize-4) &0xff; //if(!MP4WriteSample(joseph_mp4_config->hFile, joseph_mp4_config->video, naluData, naluSize, m_vFrameDur/8000*90000, 0, 1)) if(!MP4WriteSample(joseph_mp4_config->hFile, joseph_mp4_config->video, naluData, naluSize, MP4_INVALID_DURATION, 0, 1)) { return -1; } //joseph_mp4_config->m_vFrameDur = 0; break; } default: break; } return 0;} int Mp4AEncode(JOSEPH_MP4_CONFIG* joseph_mp4_config, unsigned char* aacData, int aacSize){ if(joseph_mp4_config->video == MP4_INVALID_TRACK_ID) { return -1; } MP4WriteSample(joseph_mp4_config->hFile, joseph_mp4_config->audio, aacData, aacSize , MP4_INVALID_DURATION, 0, 1); //joseph_mp4_config->m_vFrameDur += 1024; return 0;} void CloseMp4Encoder(JOSEPH_MP4_CONFIG* joseph_mp4_config){ if(joseph_mp4_config->hFile) { MP4Close(joseph_mp4_config->hFile, 0); joseph_mp4_config->hFile = NULL; } return ;}/*************************************************aac encode******************************************/JOSEPH_ACC_CONFIG* InitAccEncoder(void){ JOSEPH_ACC_CONFIG* joseph_aac_config = NULL; faacEncConfigurationPtr pConfiguration; int nRet = 0; int nPCMBufferSize = 0; joseph_aac_config = (JOSEPH_ACC_CONFIG*)malloc(sizeof(JOSEPH_ACC_CONFIG)); joseph_aac_config->nSampleRate = 8000; joseph_aac_config->nChannels = 1; joseph_aac_config->nPCMBitSize = 16; joseph_aac_config->nInputSamples = 0; joseph_aac_config->nMaxOutputBytes = 0; joseph_aac_config->fpIn = fopen(JOSEPH_G711A_LOCATION, "rb"); //open FAAC engine joseph_aac_config->hEncoder = faacEncOpen(joseph_aac_config->nSampleRate, joseph_aac_config->nChannels, \ &joseph_aac_config->nInputSamples, &joseph_aac_config->nMaxOutputBytes); if(joseph_aac_config->hEncoder == NULL) { printf("failed to call faacEncOpen()\n"); return NULL; } nPCMBufferSize = (joseph_aac_config->nInputSamples*(joseph_aac_config->nPCMBitSize/8)); joseph_aac_config->pbPCMBuffer=(unsigned char*)malloc(nPCMBufferSize*sizeof(unsigned char)); memset(joseph_aac_config->pbPCMBuffer, 0, nPCMBufferSize); joseph_aac_config->pbAACBuffer=(unsigned char*)malloc(joseph_aac_config->nMaxOutputBytes*sizeof(unsigned char)); memset(joseph_aac_config->pbAACBuffer, 0, joseph_aac_config->nMaxOutputBytes); //GET current encoding configuration pConfiguration = faacEncGetCurrentConfiguration(joseph_aac_config->hEncoder);#if 1 pConfiguration->inputFormat = FAAC_INPUT_16BIT; pConfiguration->outputFormat = 0; pConfiguration->aacObjectType = LOW;#else pConfiguration->inputFormat = FAAC_INPUT_16BIT; /*0 - raw; 1 - ADTS*/ pConfiguration->outputFormat = 0; pConfiguration->useTns = 0; pConfiguration->allowMidside = 1; pConfiguration->shortctl = SHORTCTL_NORMAL; pConfiguration->aacObjectType = LOW; pConfiguration->mpegVersion = MPEG2;#endif //set encoding configuretion nRet = faacEncSetConfiguration(joseph_aac_config->hEncoder, pConfiguration); return joseph_aac_config;}void CloseAccEncoder(JOSEPH_ACC_CONFIG* joseph_aac_config){ if(joseph_aac_config->hEncoder) { faacEncClose(joseph_aac_config->hEncoder); joseph_aac_config->hEncoder = NULL; } return ;}/*********************************************main**************************************************/int main(int argc, char* argv[]){ JOSEPH_ACC_CONFIG *joseph_aac_config = NULL; JOSEPH_MP4_CONFIG *joseph_mp4_config = NULL; int nRet = 0; int nTmp = 0; int nCount = 0; int nStatus = 0; int PCMSize = 320; int nPCMRead = 0; int nVideoRet = 0; int gBytesRead = 0; int nVideoSize = 0; int nPCMBufferSize = 0; unsigned char nVideoBuffer[1048576] = {0}; unsigned char *pPCM = NULL; unsigned char *pbG711ABuffer = NULL; unsigned char *pbPCMTmpBuffer = NULL; pbG711ABuffer = (unsigned char *)malloc(164 *sizeof(unsigned char)); memset(pbG711ABuffer, 0, 164); pbPCMTmpBuffer = (unsigned char *)malloc(PCMSize *sizeof(unsigned char)); memset(pbPCMTmpBuffer, 0, PCMSize); /*init aac */ if((joseph_aac_config=InitAccEncoder()) == NULL) { printf("init aac failed\n"); return -1; } /*init mp4*/ if((joseph_mp4_config=InitMp4Encoder(joseph_aac_config)) == NULL) { printf("init mp4 failed\n"); return -1; } nPCMBufferSize = (joseph_aac_config->nInputSamples*(joseph_aac_config->nPCMBitSize/8)); /*write video audio frame*/ while(((gBytesRead = fread(pbG711ABuffer, 1, 164, joseph_aac_config->fpIn)) >0) && (nVideoRet < 312)) { nStatus = 0; /*hisi audio the first 4 bytes is error*/ pPCM = pbG711ABuffer + 4; memset(pbPCMTmpBuffer, 0, PCMSize); memset(joseph_aac_config->pbAACBuffer, 0, joseph_aac_config->nMaxOutputBytes); /*g711 to pcm*/ if((nPCMRead = g711a_decode(pbPCMTmpBuffer, &PCMSize, pPCM, gBytesRead-4)) < 0) { printf(" G711A -> PCM fail\n"); break; } /*pcm to aac*/ if((nPCMBufferSize - nCount) < nPCMRead) { nStatus = 1; memcpy((joseph_aac_config->pbPCMBuffer + nCount), pbPCMTmpBuffer, (nPCMBufferSize - nCount)); joseph_aac_config->nInputSamples = (nPCMBufferSize / (joseph_aac_config->nPCMBitSize / 8)); nRet = faacEncEncode(joseph_aac_config->hEncoder, (int*) (joseph_aac_config->pbPCMBuffer), \ joseph_aac_config->nInputSamples, joseph_aac_config->pbAACBuffer, joseph_aac_config->nMaxOutputBytes); #if 1 /*get video frame*/ nVideoSize = joseph_get_g711a_frame(joseph_mp4_config, nVideoBuffer, nVideoRet); if(nVideoSize < 0) { printf("read g711a frame failed\n"); break; } nVideoRet++; /*write video frame to mp4*/ if((Mp4VEncode(joseph_mp4_config, nVideoBuffer, nVideoSize)) < 0) { printf("write video frame failed\n"); break; }#endif#if 1 /*write audio frame to mp4*/ if((Mp4AEncode(joseph_mp4_config, joseph_aac_config->pbAACBuffer, nRet)) < 0) { printf("write audio frame failed\n"); break; }#endif /*Treatment of redundant frames*/ nTmp = (nPCMRead - (nPCMBufferSize - nCount)); memset(joseph_aac_config->pbPCMBuffer, 0, nPCMBufferSize); memcpy(joseph_aac_config->pbPCMBuffer, (pbPCMTmpBuffer + (nPCMBufferSize-nCount)), nTmp); nCount = 0; nCount += nTmp; } if( nStatus == 0) { memcpy(joseph_aac_config->pbPCMBuffer + nCount, pbPCMTmpBuffer, nPCMRead); nCount += nPCMRead; } if(nPCMRead < 320) { joseph_aac_config->nInputSamples = (nCount / (joseph_aac_config->nPCMBitSize / 8)); nRet = faacEncEncode(joseph_aac_config->hEncoder, (int*) (joseph_aac_config->pbPCMBuffer), \ joseph_aac_config->nInputSamples, joseph_aac_config->pbAACBuffer, joseph_aac_config->nMaxOutputBytes);#if 1 /*get video frame*/ nVideoSize = joseph_get_g711a_frame(joseph_mp4_config, nVideoBuffer, nVideoRet); if(nVideoSize < 0) { printf("read g711a frame failed\n"); break; } nVideoRet++; /*write video frame to mp4*/ if((Mp4VEncode(joseph_mp4_config, nVideoBuffer, nVideoSize)) < 0) { printf("write video frame failed\n"); break; }#endif#if 1 /*write audio frame to mp4*/ if((Mp4AEncode(joseph_mp4_config, joseph_aac_config->pbAACBuffer, nRet)) < 0) { printf("write audio frame failed\n"); break; }#endif } memset(pbG711ABuffer, 0, 164); } /*Close FAAC engine*/ CloseAccEncoder(joseph_aac_config); CloseMp4Encoder(joseph_mp4_config); /*close file fp*/ fclose(joseph_aac_config->fpIn); /*free the source of malloc*/ //audio part free(joseph_aac_config->pbPCMBuffer); joseph_aac_config->pbPCMBuffer = NULL; free(joseph_aac_config->pbAACBuffer); joseph_aac_config->pbAACBuffer = NULL; free(pbG711ABuffer); pbG711ABuffer = NULL; free(pbPCMTmpBuffer); pbPCMTmpBuffer = NULL; free(joseph_aac_config); joseph_aac_config = NULL; //video part free(joseph_mp4_config); joseph_mp4_config = NULL; printf("%s:[%d] The sys changover succeed !\n",__FUNCTION__,__LINE__); return 0;}</span> 0 0
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