void RtmpAudio::bufferPacket(const RTMPPacket& p)
{
RTMPPacket np = p;
if(!RTMPPacket_Alloc(&np,np.m_nBodySize)){
ERROR("could not allocate packet.\n");
return;
}
memcpy(np.m_body,p.m_body,p.m_nBodySize);
m_q_recv.lock();
q_recv.push(np);
m_q_recv.unlock();
}
void LibRtmp::SendSetChunkSize(unsigned int chunkSize)
{
RTMPPacket rtmp_pakt;
RTMPPacket_Reset(&rtmp_pakt);
RTMPPacket_Alloc(&rtmp_pakt, 4);
rtmp_pakt.m_packetType = 0x01;
rtmp_pakt.m_nChannel = 0x02; // control channel
rtmp_pakt.m_headerType = RTMP_PACKET_SIZE_LARGE;
rtmp_pakt.m_nInfoField2 = 0;
rtmp_pakt.m_nBodySize = 4;
UI32ToBytes(rtmp_pakt.m_body, chunkSize);
RTMP_SendPacket(rtmp_, &rtmp_pakt, 0);
RTMPPacket_Free(&rtmp_pakt);
}
bool LibRtmp::Send(const char* buf, int bufLen, int type, unsigned int timestamp)
{
RTMPPacket rtmp_pakt;
RTMPPacket_Reset(&rtmp_pakt);
RTMPPacket_Alloc(&rtmp_pakt, bufLen);
rtmp_pakt.m_packetType = type;
rtmp_pakt.m_nBodySize = bufLen;
rtmp_pakt.m_nTimeStamp = timestamp;
rtmp_pakt.m_nChannel = 4;
rtmp_pakt.m_headerType = RTMP_PACKET_SIZE_LARGE;
rtmp_pakt.m_nInfoField2 = rtmp_->m_stream_id;
memcpy(rtmp_pakt.m_body, buf, bufLen);
int retval = RTMP_SendPacket(rtmp_, &rtmp_pakt, 0);
RTMPPacket_Free(&rtmp_pakt);
return !!retval;
}
int RtmpAudio::send(unsigned int user_ts, unsigned int size)
{
m_sender.lock();
if(!sender || !play_stream_id) {
//DBG("!sender || !play_stream_id");
m_sender.unlock();
return 0;
}
// - generate a new RTMP audio packet
// - send packet
RTMPPacket packet;
RTMPPacket_Reset(&packet);
packet.m_headerType = send_offset_i ?
RTMP_PACKET_SIZE_MEDIUM
: RTMP_PACKET_SIZE_LARGE;
packet.m_packetType = RTMP_PACKET_TYPE_AUDIO;
packet.m_nChannel = 4;//TODO
packet.m_nInfoField2 = play_stream_id;
if(!send_offset_i){
send_rtmp_offset = user_ts;
send_offset_i = true;
}
unsigned int rtmp_ts = (user_ts - send_rtmp_offset)
/ (SPEEX_WB_SAMPLE_RATE/1000);
packet.m_nTimeStamp = rtmp_ts;
RTMPPacket_Alloc(&packet,size+1);
packet.m_nBodySize = size+1;
// soundType (byte & 0x01) » 0
// 0: mono, 1: stereo
// soundSize (byte & 0x02) » 1
// 0: 8-bit, 1: 16-bit
// soundRate (byte & 0x0C) » 2
// 0: 5.5 kHz, 1: 11 kHz, 2: 22 kHz, 3: 44 kHz
// soundFormat (byte & 0xf0) » 4
// 0: Uncompressed, 1: ADPCM, 2: MP3, 5: Nellymoser 8kHz mono, 6: Nellymoser, 11: Speex
// 0xB2: speex, 16kHz
packet.m_body[0] = 0xB2;
memcpy(packet.m_body+1,(unsigned char*)samples,size);
//DBG("sending audio packet: size=%u rtmp_ts=%u StreamID=%u (rtp_ts=%u)\n",
// size+1,rtmp_ts,play_stream_id,user_ts);
sender->push_back(packet);
m_sender.unlock();
//dump_audio(&packet);
RTMPPacket_Free(&packet);
return size;
}
//Publish using RTMP_SendPacket()
int publish_using_packet(){
RTMP *rtmp=NULL;
RTMPPacket *packet=NULL;
uint32_t start_time=0;
uint32_t now_time=0;
//the timestamp of the previous frame
long pre_frame_time=0;
long lasttime=0;
int bNextIsKey=1;
uint32_t preTagsize=0;
//packet attributes
uint32_t type=0;
uint32_t datalength=0;
uint32_t timestamp=0;
uint32_t streamid=0;
FILE*fp=NULL;
fp=fopen("../live.flv","rb");
if (!fp){
RTMP_LogPrintf("Open File Error.\n");
// CleanupSockets();
return -1;
}
/* set log level */
//RTMP_LogLevel loglvl=RTMP_LOGDEBUG;
//RTMP_LogSetLevel(loglvl);
// if (!InitSockets()){
// RTMP_LogPrintf("Init Socket Err\n");
// return -1;
// }
rtmp=RTMP_Alloc();
RTMP_Init(rtmp);
//set connection timeout,default 30s
rtmp->Link.timeout=5;
if(!RTMP_SetupURL(rtmp,"rtmp://101.251.251.93:1935/myapp/mystream"))
{
RTMP_Log(RTMP_LOGERROR,"SetupURL Err\n");
RTMP_Free(rtmp);
// CleanupSockets();
return -1;
}
//if unable,the AMF command would be 'play' instead of 'publish'
RTMP_EnableWrite(rtmp);
if (!RTMP_Connect(rtmp,NULL)){
RTMP_Log(RTMP_LOGERROR,"Connect Err\n");
RTMP_Free(rtmp);
// CleanupSockets();
return -1;
}
if (!RTMP_ConnectStream(rtmp,0)){
RTMP_Log(RTMP_LOGERROR,"ConnectStream Err\n");
RTMP_Close(rtmp);
RTMP_Free(rtmp);
// CleanupSockets();
return -1;
}
packet=(RTMPPacket*)malloc(sizeof(RTMPPacket));
RTMPPacket_Alloc(packet,1024*64);
RTMPPacket_Reset(packet);
packet->m_hasAbsTimestamp = 0;
packet->m_nChannel = 0x04;
packet->m_nInfoField2 = rtmp->m_stream_id;
RTMP_LogPrintf("Start to send data ...\n");
//jump over FLV Header
fseek(fp,9,SEEK_SET);
//jump over previousTagSizen
fseek(fp,4,SEEK_CUR);
start_time=RTMP_GetTime();
while(1)
{
if((((now_time=RTMP_GetTime())-start_time)
<(pre_frame_time)) && bNextIsKey){
//wait for 1 sec if the send process is too fast
//this mechanism is not very good,need some improvement
if(pre_frame_time>lasttime){
RTMP_LogPrintf("TimeStamp:%8lu ms\n",pre_frame_time);
lasttime=pre_frame_time;
}
sleep(1);
continue;
}
//not quite the same as FLV spec
if(!ReadU8(&type,fp))
break;
if(!ReadU24(&datalength,fp))
break;
if(!ReadTime(×tamp,fp))
break;
if(!ReadU24(&streamid,fp))
break;
if (type!=0x08&&type!=0x09){
//jump over non_audio and non_video frame，
//jump over next previousTagSizen at the same time
fseek(fp,datalength+4,SEEK_CUR);
continue;
}
if(fread(packet->m_body,1,datalength,fp)!=datalength)
break;
packet->m_headerType = RTMP_PACKET_SIZE_LARGE;
packet->m_nTimeStamp = timestamp;
packet->m_packetType = type;
packet->m_nBodySize = datalength;
pre_frame_time=timestamp;
if (!RTMP_IsConnected(rtmp)){
RTMP_Log(RTMP_LOGERROR,"rtmp is not connect\n");
break;
}
if (!RTMP_SendPacket(rtmp,packet,0)){
RTMP_Log(RTMP_LOGERROR,"Send Error\n");
break;
}
if(!ReadU32(&preTagsize,fp))
break;
if(!PeekU8(&type,fp))
break;
if(type==0x09){
if(fseek(fp,11,SEEK_CUR)!=0)
break;
if(!PeekU8(&type,fp)){
break;
}
if(type==0x17)
bNextIsKey=1;
else
bNextIsKey=0;
fseek(fp,-11,SEEK_CUR);
}
}
RTMP_LogPrintf("\nSend Data Over\n");
if(fp)
fclose(fp);
if (rtmp!=NULL){
RTMP_Close(rtmp);
RTMP_Free(rtmp);
rtmp=NULL;
}
if (packet!=NULL){
RTMPPacket_Free(packet);
free(packet);
packet=NULL;
}
// CleanupSockets();
return 0;
}
