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multimedia/device/mpp/sample/venc/rtp.c

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由于开发板内存太小，修改原来的h264转rtp包的机制，每个rtp包立即发送，不再进行缓存
2019-09-20 14:49:21 +00:00
//
// Created by 29019 on 2019/5/4.
//
#include "rtp.h"
#include "librtsp.h"
int Pack264(unsigned char *frame,int size, Vector **outbuf){
int i = 0;
static short seq = 0;
if((0 == frame) || (0 == outbuf)){
return 0;
}
// fill rtsp interleaved header
RtspInterleavedFrameHeader rtspInterleavedFrameHeader;
rtspInterleavedFrameHeader.magic = 0x24;
rtspInterleavedFrameHeader.channel = 0;
//fill rtp header
CRtpHeader header;
header.version = 2;
header.cc = 0;
header.m = 0;
header.p = 0;
header.pt = 96;
header.ts = htonl(1201233060);
header.x = 0;
header.ssrc = htonl(0x055aaee0);
if((frame[0] != 0x00)&&(frame[1] != 0x00)&&(frame[2] != 0x00) && (frame[3] != 0x01)){
return -1;
}
int packCnt = (size - 5) /MAX_RTP_LEN;
printf("%d package pack\r\n",packCnt);
if(packCnt == 0){
header.seq = htons(seq++);
outbuf[0]->data = (unsigned char *)malloc(sizeof(FuIdentifier) + sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader)
+ size - 5);
outbuf[0]->length = size - 5 + sizeof(FuIdentifier) + sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader);
FuIdentifier identifier;
identifier.FUType = frame[4]&0x1f; //sps or pps
identifier.NRI = (frame[4]&0xe0)>>5;
identifier.F = 0;
rtspInterleavedFrameHeader.length = htons(size - 5 + sizeof(FuIdentifier) + sizeof(CRtpHeader) );
int index = 0;
memcpy(outbuf[0]->data,&rtspInterleavedFrameHeader,sizeof(rtspInterleavedFrameHeader));
index += sizeof(rtspInterleavedFrameHeader);
memcpy(outbuf[0]->data + index,&header,sizeof(header));
index += sizeof(header);
memcpy(outbuf[0]->data + index,&identifier,sizeof(FuIdentifier));
index += sizeof(identifier);
memcpy(outbuf[0]->data + index,frame + 5,size - 5);
return 1; // return one package
}else{
if(packCnt % MAX_RTP_LEN != 0){
packCnt +=1;
}
CH264NalUnit nalUnit;
nalUnit.Identifier.FUType = 28; // fu-a
nalUnit.Identifier.NRI = (frame[4]&0xe0)>>5;
nalUnit.Identifier.F = 0;
nalUnit.Header.NALUnitType = (frame[4]&0x1f); // idr picture or non-idr picture
nalUnit.Header.Forbid = 0;
for(i = 0;i < packCnt;i++) {
header.seq = htons(seq++);
if(i == packCnt - 1) {
if(packCnt % MAX_RTP_LEN == 0){
(*outbuf + i)->data = (unsigned char *)malloc(sizeof(CH264NalUnit) + sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader)
+ MAX_RTP_LEN);
(*outbuf + i)->length = MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader);
rtspInterleavedFrameHeader.length = htons(MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader));
}else{
(*outbuf + i)->data = (unsigned char *)malloc(sizeof(CH264NalUnit) + sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader)
+ (size - 5)%MAX_RTP_LEN);
(*outbuf + i)->length = (size - 5)%MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader);
rtspInterleavedFrameHeader.length = htons((size - 5)%MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader));
}
nalUnit.Header.End = 1;
nalUnit.Header.Start = 0;
int index = 0;
memcpy((*outbuf + i)->data,&rtspInterleavedFrameHeader,sizeof(rtspInterleavedFrameHeader));
index += sizeof(rtspInterleavedFrameHeader);
memcpy((*outbuf + i)->data + index,&header,sizeof(header));
index += sizeof(header);
memcpy((*outbuf + i)->data + index,&nalUnit,sizeof(nalUnit));
index += sizeof(nalUnit);
memcpy((*outbuf + i)->data + index,frame + 5 + i*MAX_RTP_LEN,(size - 5)%MAX_RTP_LEN);
}else if(i == 0){
nalUnit.Header.End = 0;
nalUnit.Header.Start = 1;
(*outbuf + i)->data = (unsigned char *)malloc(sizeof(FuIdentifier) + sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader)
+ MAX_RTP_LEN);
(*outbuf + i)->length = MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader);
rtspInterleavedFrameHeader.length = htons(MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader));
int index = 0;
memcpy((*outbuf + i)->data,&rtspInterleavedFrameHeader,sizeof(rtspInterleavedFrameHeader));
index += sizeof(rtspInterleavedFrameHeader);
memcpy((*outbuf + i)->data + index,&header,sizeof(header));
index += sizeof(header);
memcpy((*outbuf + i)->data + index,&nalUnit,sizeof(nalUnit));
index += sizeof(nalUnit);
memcpy((*outbuf + i)->data + index,frame + 5 + i*MAX_RTP_LEN,MAX_RTP_LEN);
}else{
(*outbuf + i)->data = (unsigned char *)malloc(sizeof(FuIdentifier) + sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader)
+ MAX_RTP_LEN);
(*outbuf + i)->length = MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader);
nalUnit.Header.End = 0;
nalUnit.Header.Start = 0;
rtspInterleavedFrameHeader.length = htons(MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader));
int index = 0;
memcpy((*outbuf + i)->data,&rtspInterleavedFrameHeader,sizeof(rtspInterleavedFrameHeader));
index += sizeof(rtspInterleavedFrameHeader);
memcpy((*outbuf + i)->data + index,&header,sizeof(header));
index += sizeof(header);
memcpy((*outbuf + i)->data + index,&nalUnit,sizeof(nalUnit));
index += sizeof(nalUnit);
memcpy((*outbuf + i)->data + index,frame + 5 + i*MAX_RTP_LEN,MAX_RTP_LEN);
}
}
return packCnt;
}
}
int Pack264AndSend(unsigned char *frame,int size,RtspClient * p){
int i = 0;
static short seq = 0;
char *sendBuf;
int sendLength = 0;
int length = MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader)
+ sizeof(RtspInterleavedFrameHeader);
if(0 == frame || NULL == p) {
return 0;
}
sendBuf = malloc(MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader)
+ sizeof(RtspInterleavedFrameHeader));
// fill rtsp interleaved header
RtspInterleavedFrameHeader rtspInterleavedFrameHeader;
rtspInterleavedFrameHeader.magic = 0x24;
rtspInterleavedFrameHeader.channel = 0;
//fill rtp header
CRtpHeader header;
header.version = 2;
header.cc = 0;
header.m = 0;
header.p = 0;
header.pt = 96;
header.ts = htonl(1201233060);
header.x = 0;
header.ssrc = htonl(0x055aaee0);
if((frame[0] != 0x00)&&(frame[1] != 0x00)&&(frame[2] != 0x00) && (frame[3] != 0x01)){
return -1;
}
int packCnt = (size - 5) /MAX_RTP_LEN;
printf("%d package pack\r\n",packCnt);
if(packCnt == 0) {
header.seq = htons(seq++);
sendLength = size - 5 + sizeof(FuIdentifier) + sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader);
FuIdentifier identifier;
identifier.FUType = frame[4]&0x1f; //sps or pps
identifier.NRI = (frame[4]&0xe0)>>5;
identifier.F = 0;
修复长度没赋值导致帧序列乱掉
2019-09-20 16:03:41 +00:00
rtspInterleavedFrameHeader.length = htons(size - 5 + sizeof(FuIdentifier) + sizeof(CRtpHeader) );
由于开发板内存太小，修改原来的h264转rtp包的机制，每个rtp包立即发送，不再进行缓存
2019-09-20 14:49:21 +00:00
int index = 0;
memcpy(sendBuf,&rtspInterleavedFrameHeader,sizeof(rtspInterleavedFrameHeader));
index += sizeof(rtspInterleavedFrameHeader);
memcpy(sendBuf + index,&header,sizeof(header));
index += sizeof(header);
memcpy(sendBuf + index,&identifier,sizeof(FuIdentifier));
index += sizeof(identifier);
memcpy(sendBuf + index,frame + 5,size - 5);
SendRtpPackage(p,sendBuf,sendLength);
return 1; // return one package
}else{
if(packCnt % MAX_RTP_LEN != 0){
packCnt +=1;
}
CH264NalUnit nalUnit;
nalUnit.Identifier.FUType = 28; // fu-a
nalUnit.Identifier.NRI = (frame[4]&0xe0)>>5;
nalUnit.Identifier.F = 0;
nalUnit.Header.NALUnitType = (frame[4]&0x1f); // idr picture or non-idr picture
nalUnit.Header.Forbid = 0;
for(i = 0;i < packCnt;i++) {
header.seq = htons(seq++);
if(i == packCnt - 1) {
if(packCnt % MAX_RTP_LEN == 0){
sendLength = MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader) + sizeof(RtspInterleavedFrameHeader);
rtspInterleavedFrameHeader.length = htons(MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader));
}else{
sendLength = (size - 5)%MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader) + sizeof(RtspInterleavedFrameHeader);
修复长度没赋值导致帧序列乱掉
2019-09-20 16:03:41 +00:00
printf("last package send %d length\r\n",sendLength);
rtspInterleavedFrameHeader.length = htons((size - 5)%MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader));
由于开发板内存太小，修改原来的h264转rtp包的机制，每个rtp包立即发送，不再进行缓存
2019-09-20 14:49:21 +00:00
}
nalUnit.Header.End = 1;
nalUnit.Header.Start = 0;
int index = 0;
memcpy(sendBuf,&rtspInterleavedFrameHeader,sizeof(rtspInterleavedFrameHeader));
index += sizeof(rtspInterleavedFrameHeader);
memcpy(sendBuf + index,&header,sizeof(header));
index += sizeof(header);
memcpy(sendBuf + index,&nalUnit,sizeof(nalUnit));
index += sizeof(nalUnit);
memcpy(sendBuf + index,frame + 5 + i*MAX_RTP_LEN,(size - 5)%MAX_RTP_LEN);
SendRtpPackage(p,sendBuf,sendLength);
}else if(i == 0) {
nalUnit.Header.End = 0;
nalUnit.Header.Start = 1;
sendLength = MAX_RTP_LEN + sizeof(CH264NalUnit) +
sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader);
rtspInterleavedFrameHeader.length = htons(MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader));
int index = 0;
memcpy(sendBuf,&rtspInterleavedFrameHeader,sizeof(rtspInterleavedFrameHeader));
index += sizeof(rtspInterleavedFrameHeader);
memcpy(sendBuf + index,&header,sizeof(header));
index += sizeof(header);
memcpy(sendBuf + index,&nalUnit,sizeof(nalUnit));
index += sizeof(nalUnit);
memcpy(sendBuf + index,frame + 5 + i*MAX_RTP_LEN,MAX_RTP_LEN);
SendRtpPackage(p,sendBuf,sendLength);
}else{
sendLength = MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader) + sizeof(rtspInterleavedFrameHeader);
nalUnit.Header.End = 0;
nalUnit.Header.Start = 0;
rtspInterleavedFrameHeader.length = htons(MAX_RTP_LEN + sizeof(CH264NalUnit) + sizeof(CRtpHeader));
int index = 0;
memcpy(sendBuf,&rtspInterleavedFrameHeader,sizeof(rtspInterleavedFrameHeader));
index += sizeof(rtspInterleavedFrameHeader);
memcpy(sendBuf + index,&header,sizeof(header));
index += sizeof(header);
memcpy(sendBuf + index,&nalUnit,sizeof(nalUnit));
index += sizeof(nalUnit);
memcpy(sendBuf + index,frame + 5 + i*MAX_RTP_LEN,MAX_RTP_LEN);
SendRtpPackage(p,sendBuf,sendLength);
}
}
free(sendBuf);
return packCnt;
}
}