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VideoSource.cpp
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VideoSource.cpp
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/*
* Copyright 1993-2015 NVIDIA Corporation. All rights reserved.
*
* Please refer to the NVIDIA end user license agreement (EULA) associated
* with this source code for terms and conditions that govern your use of
* this software. Any use, reproduction, disclosure, or distribution of
* this software and related documentation outside the terms of the EULA
* is strictly prohibited.
*
*/
#include "VideoSource.h"
#include "app.h"
//#include "FrameQueue.h"
#include <time.h>
#include <assert.h>
#include "helper_cuda_drvapi.h"
#include "FrameQueue.h"
#include "VideoParser.h"
#include "g711.h"
static unsigned int msecond()
{
timeval tv;
gettimeofday(&tv,NULL);
return tv.tv_sec*1000 + tv.tv_usec/1000;
}
VideoSource::VideoSource()
{
bThreadExit = false;
bStarted = false;
play_thread_ptr = 0;
recordPath_ = "";
startMS = msecond();
m_aacEncHandle = NULL;
flvHandle_ = NULL;
}
VideoSource::~VideoSource()
{
stop();
CloseRtspClient((RTSPClient * )m_hRtspHandle);
if (src_data_)
av_freep(&src_data_[0]);
av_freep(&src_data_);
if (dst_data_)
av_freep(&dst_data_[0]);
av_freep(&dst_data_);
swr_free(&swr_ctx_);
//if(mp4fileHandle_)
// MP4Close(mp4fileHandle_);
if (flvHandle_)
flv_write_trailer(flvHandle_);
}
void funcStreamCallback(unsigned char *pBuffer, unsigned int dwBufSize,unsigned int timestamp,
unsigned int marker,const char* payloadtype,void* pContext)
{
VideoSource *pRtspDemux=(VideoSource *)pContext;
pRtspDemux->ProcessStream(pBuffer,dwBufSize,timestamp,marker,payloadtype);
}
void VideoSource::setParser(VideoParser &rVideoParser, CUcontext cuCtx, FrameQueue *pFrameQueue)
{
oSourceData_.hVideoParser = rVideoParser.hParser_;
oSourceData_.pFrameQueue = pFrameQueue;
oContext_ = cuCtx;
}
int VideoSource::ProcessStream(unsigned char *pBuffer, unsigned int dwBufSize,unsigned int timestamp,
unsigned int marker,const char* payloadtype)
{
fRecvMediaNum++;
if (!strcmp(payloadtype, "H264")) {
//m_pApp->feedVideoData(m_index, pBuffer, dwBufSize, timestamp);
cuCtxPushCurrent(oContext_);
CUVIDSOURCEDATAPACKET cupkt;
cupkt.payload_size = (unsigned long)dwBufSize;
cupkt.payload = (const unsigned char*)pBuffer;
cupkt.flags = CUVID_PKT_TIMESTAMP;
cupkt.timestamp = timestamp;
CUresult oResult = cuvidParseVideoData(oSourceData_.hVideoParser, &cupkt);
checkCudaErrors(cuCtxPopCurrent(NULL));
//int mark = 0xffffffff; //to del
//fwrite(&mark, 1, 4, fp_test); //to del
//fwrite(pBuffer, 1, dwBufSize, fp_test); //to del
//fprintf(fp_test, "%d %x %d\n", timestamp, pBuffer[4], dwBufSize);
/*if (mp4VideoTrack_)
{
MP4WriteSample(mp4fileHandle_, mp4VideoTrack_, (const uint8_t *)pBuffer, dwBufSize, MP4_INVALID_DURATION, 0, 1);
}*/
if (flvHandle_)
{
int iskeyframe = ((uint8_t *)pBuffer)[4] == 0x67 || ((uint8_t *)pBuffer)[4] == 0x65;
flv_write_video_packet(flvHandle_, iskeyframe, (uint8_t *)pBuffer, dwBufSize, msecond() - startMS); /// 10000
}
}
else if (!strcmp(payloadtype, "JPEG")) {
m_pApp->feedVideoData(m_index, pBuffer, dwBufSize, timestamp);
//fwrite(pBuffer, 1, dwBufSize, fp_test); //to del
}
else if (!strcmp(payloadtype, "PCMA")) {
short *pcmbuf = (short*)src_data_[0];
for (int i = 0; i < dwBufSize; i++)
{
pcmbuf[i] = Snack_Alaw2Lin(pBuffer[i]);
}
/* convert to destination format */
int ret = swr_convert(swr_ctx_, dst_data_, dst_nb_samples_, (const uint8_t **)src_data_, dwBufSize);
if (ret < 0) {
fprintf(stderr, "Error while converting\n");
return -1;
}
int dst_linesize, dst_nb_channels = 2;
enum AVSampleFormat dst_sample_fmt = AV_SAMPLE_FMT_S16; //AV_SAMPLE_FMT_FLT;
int dst_bufsize = av_samples_get_buffer_size(&dst_linesize, dst_nb_channels,
ret, dst_sample_fmt, 1);
if (dst_bufsize < 0) {
fprintf(stderr, "Could not get sample buffer size\n");
return -1;
}
//m_pApp->feedAudioData(m_index, dst_data_[0], dst_bufsize, timestamp);
int outsize = encodeAAC((void *)dst_data_[0], dst_bufsize, timestamp);
if(outsize>0)
{
if (flvHandle_)
{
flv_write_audio_packet(flvHandle_, (uint8_t *)m_aacOutbuf+7, outsize-7, msecond() - startMS); //timestamp
}
if(m_index==3)
m_pApp->onAudioStitchedOutput(m_aacOutbuf, outsize, timestamp);
}
}
/*else {
if(m_audioflag)
m_pApp->feedAudioData(m_index, pBuffer, dwBufSize, timestamp);
}*/
return 0;
}
void TaskMonitorDataCallback(void* clientData) {
VideoSource* pSource = (VideoSource*)clientData;
pSource->TaskMonitorData();
}
void VideoSource::TaskMonitorData() {
if (fRecvMediaNum <= 0)
{
printf("Failed to recv media data in 10s for URL %s\n", rtspUrl_.c_str());
CloseRtspClient((RTSPClient *)m_hRtspHandle);
m_hRtspHandle = openURL(*env, rtspUrl_.c_str(), -1, funcStreamCallback, this);
}
fRecvMediaNum = 0;
env->taskScheduler().scheduleDelayedTask(10000 * 1000, TaskMonitorDataCallback, this); //10 second
}
bool VideoSource::init(const std::string sFileName, int index, app *pApp, bool audioflag)
{
//assert(0 != pFrameQueue);
int i;
m_index = index;
m_pApp = pApp;
m_audioflag = audioflag;
TaskScheduler* scheduler = BasicTaskScheduler::createNew();
env = BasicUsageEnvironment::createNew(*scheduler);
rtspUrl_ = sFileName;
fRecvMediaNum = 0;
m_hRtspHandle = openURL(*env, sFileName.c_str(), -1, funcStreamCallback,this);
env->taskScheduler().scheduleDelayedTask(10000 * 1000, TaskMonitorDataCallback, this); //10 second
if(audioflag)
initAACEncode(2, 44100, 64000);
return true;
}
int VideoSource::setRecordPath(const std::string record_path)
{
recordPath_ = record_path;
return 0;
}
void *playProc(void* lpParam)
{
VideoSource *pSource = (VideoSource *)lpParam;
pSource->play_thread();
}
void VideoSource::start()
{
bThreadExit = TRUE;
if (play_thread_ptr)
{
pthread_join(play_thread_ptr, NULL);
play_thread_ptr = 0;
}
/*************mp4file******************************/
if (!recordPath_.empty())
{
char filename[255];
//sprintf(filename, "%s/cam%d.hisi264", recordPath_.c_str(), m_index); //to del
//fp_test = fopen(filename, "wb"); //to del
time_t rawtime;
struct tm * timeinfo;
char timestr[100];
time(&rawtime);
timeinfo = localtime(&rawtime);
strftime(timestr, sizeof(timestr), "%Y%m%d-%H%M%S", timeinfo);
sprintf(filename, "%s/cam%d_%s.flv", recordPath_.c_str(), m_index, timestr);
flvHandle_ = flv_init(filename, 30, 2048, 1536);
/*mp4fileHandle_ = MP4Create(filename);//创建mp4文件
if (mp4fileHandle_ == MP4_INVALID_FILE_HANDLE)
{
printf("open file fialed.\n");
}
//MP4SetTimeScale(mp4fileHandle_, 90000);
//添加h264 track
mp4VideoTrack_ = MP4AddH264VideoTrack(mp4fileHandle_, 90000, 90000 / 25, 1920, 1080,
0x64,//0x64, //sps[1] AVCProfileIndication
0x00, //sps[2] profile_compat
0x1e,//0x1f, //sps[3] AVCLevelIndication
3); // 4 bytes length before each NAL unit
if (mp4VideoTrack_ == MP4_INVALID_TRACK_ID)
{
printf("add video track failed.\n");
}
//MP4SetVideoProfileLevel(mp4fileHandle_, 0x7F);
//添加aac音频
mp4AudioTrack_ = MP4AddAudioTrack(mp4fileHandle_, 44100, 1024, MP4_MPEG4_AUDIO_TYPE);
if (mp4AudioTrack_ == MP4_INVALID_TRACK_ID)
{
printf("add audio track failed.\n");
}
MP4SetAudioProfileLevel(mp4fileHandle_, 0x2);*/
}
/***********resample********************************************/
int64_t src_ch_layout = AV_CH_LAYOUT_MONO, dst_ch_layout = AV_CH_LAYOUT_STEREO;//AV_CH_LAYOUT_MONO;
int src_rate = 8000, dst_rate = 44100;
enum AVSampleFormat src_sample_fmt = AV_SAMPLE_FMT_S16, dst_sample_fmt = AV_SAMPLE_FMT_S16; //AV_SAMPLE_FMT_FLT;
int ret;
int src_nb_channels = 0, dst_nb_channels = 0;
int src_linesize, dst_linesize;
src_nb_samples_ = 1024;
/* create resampler context */
swr_ctx_ = swr_alloc();
if (!swr_ctx_) {
fprintf(stderr, "Could not allocate resampler context\n");
ret = AVERROR(ENOMEM);
return;
}
/* set options */
av_opt_set_int(swr_ctx_, "in_channel_layout", src_ch_layout, 0);
av_opt_set_int(swr_ctx_, "in_sample_rate", src_rate, 0);
av_opt_set_sample_fmt(swr_ctx_, "in_sample_fmt", src_sample_fmt, 0);
av_opt_set_int(swr_ctx_, "out_channel_layout", dst_ch_layout, 0);
av_opt_set_int(swr_ctx_, "out_sample_rate", dst_rate, 0);
av_opt_set_sample_fmt(swr_ctx_, "out_sample_fmt", dst_sample_fmt, 0);
/* initialize the resampling context */
if ((ret = swr_init(swr_ctx_)) < 0) {
fprintf(stderr, "Failed to initialize the resampling context\n");
return;
}
/* allocate source and destination samples buffers */
src_nb_channels = av_get_channel_layout_nb_channels(src_ch_layout);
ret = av_samples_alloc_array_and_samples(&src_data_, &src_linesize, src_nb_channels,
src_nb_samples_, src_sample_fmt, 0);
if (ret < 0) {
fprintf(stderr, "Could not allocate source samples\n");
return ;
}
/* compute the number of converted samples: buffering is avoided
* ensuring that the output buffer will contain at least all the
* converted input samples */
max_dst_nb_samples_ = dst_nb_samples_ =
av_rescale_rnd(src_nb_samples_, dst_rate, src_rate, AV_ROUND_UP);
/* buffer is going to be directly written to a rawaudio file, no alignment */
dst_nb_channels = av_get_channel_layout_nb_channels(dst_ch_layout);
ret = av_samples_alloc_array_and_samples(&dst_data_, &dst_linesize, dst_nb_channels,
dst_nb_samples_, dst_sample_fmt, 0);
if (ret < 0) {
fprintf(stderr, "Could not allocate destination samples\n");
return;
}
/****************************************************************/
bThreadExit = FALSE;
pthread_create(&play_thread_ptr, NULL, playProc, (void*)this);
if (!play_thread_ptr)
{
return ;
}
}
void VideoSource::stop()
{
bThreadExit = TRUE;
watchEvent = 0xFF;
if (play_thread_ptr)
{
pthread_join(play_thread_ptr, NULL);
play_thread_ptr = 0;
}
}
bool VideoSource::isStarted()
{
return bStarted;
}
void VideoSource::play_thread()
{
watchEvent = 0;
env->taskScheduler().doEventLoop(&watchEvent); // does not return
//oSourceData_.pFrameQueue->endDecode();
bStarted = false;
}
//-------------------------------audio aac-------------------------------------------------------------------------
int VideoSource::initAACEncode(int channel, int samplerate, int bitrate)
{
if (aacEncOpen(&m_aacEncHandle, 0, channel) != AACENC_OK) {
printf("Unable to open fdkaac encoder\n");
return -1;
}
if (aacEncoder_SetParam(m_aacEncHandle, AACENC_AOT, 2) != AACENC_OK) { //aac lc
printf("Unable to set the AOT\n");
return -1;
}
if (aacEncoder_SetParam(m_aacEncHandle, AACENC_SAMPLERATE, samplerate) != AACENC_OK) {
printf("Unable to set the AOT\n");
return -1;
}
if (aacEncoder_SetParam(m_aacEncHandle, AACENC_CHANNELMODE, MODE_2) != AACENC_OK) { //2 channle
printf("Unable to set the channel mode\n");
return -1;
}
if (aacEncoder_SetParam(m_aacEncHandle, AACENC_BITRATE, bitrate) != AACENC_OK) {
printf("Unable to set the bitrate\n");
return -1;
}
if (aacEncoder_SetParam(m_aacEncHandle, AACENC_TRANSMUX, 2) != AACENC_OK) { //0-raw 2-adts
printf("Unable to set the ADTS transmux\n");
return -1;
}
if (aacEncEncode(m_aacEncHandle, NULL, NULL, NULL, NULL) != AACENC_OK) {
printf("Unable to initialize the encoder\n");
return -1;
}
AACENC_InfoStruct info = { 0 };
if (aacEncInfo(m_aacEncHandle, &info) != AACENC_OK) {
printf("Unable to get the encoder info\n");
return -1;
}
return 0;
}
int VideoSource::encodeAAC(const void* pData, int size, int64_t timestamp)
{
if (!m_aacEncHandle)
return -1;
/*EnterCriticalSection(&aCriticalSection_);
m_params->audio_payloads[index].payload.buffer.ptr = pData;
m_params->audio_payloads[index].payload.buffer.size = size;
m_params->audio_payloads[index].payload.buffer.timestamp = timestamp;
//RETURN_NVSTITCH_ERROR(nvstitchFeedStitcherAudio(0, stitcher, index, &m_params->audio_payloads[index]));
LeaveCriticalSection(&aCriticalSection_);*/
AACENC_BufDesc in_buf = { 0 }, out_buf = { 0 };
AACENC_InArgs in_args = { 0 };
AACENC_OutArgs out_args = { 0 };
int in_identifier = IN_AUDIO_DATA;
int in_elem_size = 2;
in_args.numInSamples = size / 2;
in_buf.numBufs = 1;
in_buf.bufs = (void **)&pData;
in_buf.bufferIdentifiers = &in_identifier;
in_buf.bufSizes = &size;
in_buf.bufElSizes = &in_elem_size;
int out_identifier = OUT_BITSTREAM_DATA;
void *out_ptr = m_aacOutbuf;
int out_size = sizeof(m_aacOutbuf);
int out_elem_size = 1;
out_buf.numBufs = 1;
out_buf.bufs = &out_ptr;
out_buf.bufferIdentifiers = &out_identifier;
out_buf.bufSizes = &out_size;
out_buf.bufElSizes = &out_elem_size;
if ((aacEncEncode(m_aacEncHandle, &in_buf, &out_buf, &in_args, &out_args)) != AACENC_OK) {
fprintf(stderr, "Encoding aac failed\n");
return -1;
}
if (out_args.numOutBytes == 0)
return -1;
//fwrite(outbuf, 1, out_args.numOutBytes, out);
//onAudioStitchedOutput(m_aacOutbuf, out_args.numOutBytes, timestamp);
return out_args.numOutBytes;
}