提交 52d31fef authored 作者: blu's avatar blu

init

上级 c5624aad
......@@ -5,7 +5,7 @@ CFLAGS = -g -Wall
LIBOPENCV = `pkg-config opencv --cflags --libs`
LIBFFMPEG = `pkg-config libavformat libavutil libavcodec --cflags --libs`
LIBS=
LIBS=-lpthread
.PHONY: all
all: libzmq evmgr evpusher
......
#pragma GCC diagnostic ignored "-Wunused-private-field"
#pragma GCC diagnostic ignored "-Wunused-variable"
#include <stdlib.h>
#include <string>
#include <thread>
#include <iostream>
#include <chrono>
#include <future>
#ifdef OS_LINUX
#include <filesystem>
namespace fs = std::filesystem;
#endif
#include "vendor/include/zmq.h"
#include "inc/json.hpp"
#include "inc/blockingconcurrentqueue.hpp"
#include "inc/tinythread.hpp"
#include "inc/common.hpp"
using namespace std;
using json = nlohmann::json;
using namespace moodycamel;
class PacketProducer: public TinyThread {
private:
void *pPubContext = NULL; // for packets publishing
void *pPublisher = NULL;
AVFormatContext *pAVFormatInput = NULL;
string urlIn;
int *streamList = NULL, numStreams = 0;
public:
PacketProducer(string urlIn):urlIn(urlIn){
setupMq();
}
~PacketProducer(){
}
protected:
// Function to be executed by thread function
void run()
{
int ret = 0;
setupMq();
if ((ret = avformat_open_input(&pAVFormatInput, urlIn.c_str(), NULL, NULL)) < 0) {
logThrow(NULL, AV_LOG_FATAL, "Could not open input file '%s'", urlIn.c_str());
}
if ((ret = avformat_find_stream_info(pAVFormatInput, NULL)) < 0) {
logThrow(NULL, AV_LOG_FATAL, "Failed to retrieve input stream information");
}
pAVFormatInput->flags = AVFMT_FLAG_NOBUFFER | AVFMT_FLAG_FLUSH_PACKETS;
numStreams = pAVFormatInput->nb_streams;
int *streamList = (int *)av_mallocz_array(numStreams, sizeof(*streamList));
if (!streamList) {
ret = AVERROR(ENOMEM);
logThrow(NULL, AV_LOG_FATAL, "failed create avformatcontext for output: %s", av_err2str(AVERROR(ENOMEM)));
}
// find all video & audio streams for remuxing
int i = 0, streamIdx = 0;
for (; i < pAVFormatInput->nb_streams; i++) {
AVStream *in_stream = pAVFormatInput->streams[i];
AVCodecParameters *in_codecpar = in_stream->codecpar;
if (in_codecpar->codec_type != AVMEDIA_TYPE_AUDIO &&
in_codecpar->codec_type != AVMEDIA_TYPE_VIDEO &&
in_codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE) {
streamList[i] = -1;
continue;
}
streamList[i] = streamIdx++;
}
bool bStopSig = false;
int pktCnt = 0;
while (true) {
if(checkStop() == true) {
bStopSig = true;
break;
}
AVStream *in_stream;
AVPacket packet;
{
ret = av_read_frame(pAVFormatInput, &packet);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "failed read packet: %s", av_err2str(ret));
break;
}
in_stream = pAVFormatInput->streams[packet.stream_index];
if (packet.stream_index >= numStreams || streamList[packet.stream_index] < 0) {
av_packet_unref(&packet);
continue;
}
pktCnt++;
packet.stream_index = streamList[packet.stream_index];
/* copy packet */
//packet.pts = av_rescale_q_rnd(packet.pts, in_stream->time_base, out_stream->time_base, AVRounding(AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));
// packet.dts = av_rescale_q_rnd(packet.dts, in_stream->time_base, out_stream->time_base, AVRounding(AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));
//packet.duration = av_rescale_q(packet.duration, in_stream->time_base, out_stream->time_base);
packet.pos = -1;
// serialize packet to raw bytes
char * data = NULL;
//av_log(NULL, AV_LOG_WARNING, "chkpt1: %d\n", pktCnt);
int size = PacketSerializer::encode(packet, &data);
//av_log(NULL, AV_LOG_WARNING, "chkpt2: %d\n", pktCnt);
zmq_msg_t msg;
zmq_msg_init_data(&msg, (void*)data, size, mqPacketFree, NULL);
//av_log(NULL, AV_LOG_WARNING, "chkpt3: %d\n", pktCnt);
zmq_send_const(pPublisher, zmq_msg_data(&msg), size, 0);
//av_log(NULL, AV_LOG_WARNING, "chkpt4: %d\n", pktCnt);
}
av_packet_unref(&packet);
}
// TODO:
if(ret < 0 && !bStopSig) {
// reconnect
}else {
std::cout << "Task End" << std::endl;
}
}
private:
int setupMq()
{
teardownMq();
pPubContext = zmq_ctx_new();
pPublisher = zmq_socket(pPubContext, ZMQ_PUB);
int rc = zmq_bind(pPublisher, "tcp://0.0.0.0:5556");
if(rc != 0) {
logThrow(NULL, AV_LOG_FATAL, "failed create pub");
}
return 0;
}
int teardownMq()
{
if(pPublisher != NULL) {
zmq_close(pPublisher);
}
if(pPubContext != NULL) {
zmq_ctx_destroy(pPubContext);
}
return 0;
}
};
class EdgeVideoMgr {
private:
#define SECS_SLICE (60*5/2)
AVFormatContext *pAVFormatInput = NULL, *pAVFormatRemux = NULL;
AVCodec *pCodec = NULL;
AVDictionary *pOptsRemux = NULL, *pOptsInput = NULL, *pOptsOutput = NULL;
int idxVideo = -1, idxAudio = -1, numStreams = 0, numSlices = 6, secsSlice = SECS_SLICE;
int *streamList = NULL;
bool bPush = true, bRecord = false;
string urlIn, urlOut, pathSlice;
unordered_map<string, string> envParams = unordered_map<string, string>();
// mq
void *pRepContext = NULL; // for msg from edge gateway
void *pReqContext = NULL; // for msg to edge gateway
private:
void setupParams()
{
char *tmp = getenv("URL_IN");
urlIn = (tmp == NULL?string(""): string(tmp));
tmp= getenv("URL_OUT");
urlOut = (tmp == NULL?string(""): string(tmp));
tmp = getenv("SLICE_NUM");
numSlices = (tmp == NULL?6:atoi(tmp));
if(numSlices <=2) {
numSlices = 6;
}
av_log(NULL, AV_LOG_INFO, "in: %s", urlIn.c_str());
tmp = getenv("SLICE_PATH");
pathSlice = (tmp == NULL?string("slices"):string(tmp));
// OSX XCode doesn't ship with the filesystem header as of version 10.x
#ifdef __LINUX___
if (!fs::exists(pathSlice.c_str())) {
if (!fs::create_directory(pathSlice.c_str())) {
logThrow(NULL, AV_LOG_FATAL, "can't create directory: %s", pathSlice.c_str());
exit(1);
}
fs::permissions(pathSlice.c_str(), fs::perms::all);
}
#endif
tmp = getenv("PUSH");
bPush = (tmp == NULL?false: (string(tmp) == string("false")?false:true));
tmp = getenv("SLICE_SECS");
secsSlice = (tmp == NULL?SECS_SLICE:atoi(tmp));
if(secsSlice < SECS_SLICE) {
secsSlice = SECS_SLICE;
}
if(urlIn == "" or urlOut == "") {
logThrow(NULL, AV_LOG_FATAL, "no input/output url");
exit(1);
}
}
int setupStreams()
{
PacketProducer packetProducer(urlIn);
packetProducer.join();
// std::this_thread::sleep_for(std::chrono::milliseconds(30000));
// packetProducer.stop();
int ret = 0, i, streamIdx = 0;
// if ((ret = avformat_open_input(&pAVFormatInput, urlIn.c_str(), NULL, NULL)) < 0) {
// logThrow(NULL, AV_LOG_FATAL, "Could not open input file '%s'", urlIn.c_str());
// }
// if ((ret = avformat_find_stream_info(pAVFormatInput, NULL)) < 0) {
// logThrow(NULL, AV_LOG_FATAL, "Failed to retrieve input stream information");
// }
// pAVFormatInput->flags = AVFMT_FLAG_NOBUFFER | AVFMT_FLAG_FLUSH_PACKETS;
// ret = avformat_alloc_output_context2(&pAVFormatRemux, NULL, "rtsp", urlOut.c_str());
// if (ret < 0) {
// logThrow(NULL, AV_LOG_FATAL, "failed create avformatcontext for output: %s", av_err2str(ret));
// }
// numStreams = pAVFormatInput->nb_streams;
// streamList = (int *)av_mallocz_array(numStreams, sizeof(*streamList));
// if (!streamList) {
// ret = AVERROR(ENOMEM);
// logThrow(NULL, AV_LOG_FATAL, "failed create avformatcontext for output: %s", av_err2str(AVERROR(ENOMEM)));
// }
// // find all video & audio streams for remuxing
// for (i = 0; i < pAVFormatInput->nb_streams; i++) {
// AVStream *out_stream;
// AVStream *in_stream = pAVFormatInput->streams[i];
// AVCodecParameters *in_codecpar = in_stream->codecpar;
// if (in_codecpar->codec_type != AVMEDIA_TYPE_AUDIO &&
// in_codecpar->codec_type != AVMEDIA_TYPE_VIDEO &&
// in_codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE) {
// streamList[i] = -1;
// continue;
// }
// streamList[i] = streamIdx++;
// out_stream = avformat_new_stream(pAVFormatRemux, NULL);
// if (!out_stream) {
// logThrow(NULL, AV_LOG_FATAL, "Failed allocating output stream\n");
// ret = AVERROR_UNKNOWN;
// }
// ret = avcodec_parameters_copy(out_stream->codecpar, in_codecpar);
// if (ret < 0) {
// logThrow(NULL, AV_LOG_FATAL, "Failed to copy codec parameters\n");
// }
// }
// av_dump_format(pAVFormatRemux, 0, urlOut.c_str(), 1);
// // find best video stream
// idxVideo = av_find_best_stream(pAVFormatInput, AVMEDIA_TYPE_VIDEO, -1, -1, &pCodec, 0);
// if(idxVideo < 0) {
// logThrow(NULL, AV_LOG_FATAL, "failed find best video stream");
// }
// if (!(pAVFormatRemux->oformat->flags & AVFMT_NOFILE)) {
// logThrow(NULL, AV_LOG_FATAL, "Failed allocating output stream\n");
// ret = avio_open2(&pAVFormatRemux->pb, urlOut.c_str(), AVIO_FLAG_WRITE, NULL, &pOptsRemux);
// if (ret < 0) {
// logThrow(NULL, AV_LOG_FATAL, "Could not open output file '%s'", urlOut.c_str());
// }
// }
// // rtsp tcp
// if(av_dict_set(&pOptsRemux, "rtsp_transport", "tcp", 0) < 0) {
// logThrow(NULL, AV_LOG_FATAL, "failed set output pOptsRemux");
// ret = AVERROR_UNKNOWN;
// }
// ret = avformat_write_header(pAVFormatRemux, &pOptsRemux);
// if (ret < 0) {
// logThrow(NULL, AV_LOG_FATAL, "Error occurred when opening output file\n");
// }
// while (1) {
// AVStream *in_stream, *out_stream;
// AVPacket packet;
// ret = av_read_frame(pAVFormatInput, &packet);
// if (ret < 0)
// break;
// in_stream = pAVFormatInput->streams[packet.stream_index];
// if (packet.stream_index >= numStreams || streamList[packet.stream_index] < 0) {
// av_packet_unref(&packet);
// continue;
// }
// packet.stream_index = streamList[packet.stream_index];
// out_stream = pAVFormatRemux->streams[packet.stream_index];
// /* copy packet */
// packet.pts = av_rescale_q_rnd(packet.pts, in_stream->time_base, out_stream->time_base, AVRounding(AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));
// packet.dts = av_rescale_q_rnd(packet.dts, in_stream->time_base, out_stream->time_base, AVRounding(AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));
// packet.duration = av_rescale_q(packet.duration, in_stream->time_base, out_stream->time_base);
// packet.pos = -1;
// ret = av_interleaved_write_frame(pAVFormatRemux, &packet);
// if (ret < 0) {
// logThrow(NULL, AV_LOG_FATAL, "Error muxing packet\n");
// break;
// }
// av_packet_unref(&packet);
// }
// av_write_trailer(pAVFormatRemux);
return ret;
}
public:
// ctor
EdgeVideoMgr()
{
setupParams();
setupStreams();
}
// dtor
~EdgeVideoMgr()
{
avformat_close_input(&pAVFormatInput);
/* close output */
if (pAVFormatRemux && !(pAVFormatRemux->oformat->flags & AVFMT_NOFILE))
avio_closep(&pAVFormatRemux->pb);
avformat_free_context(pAVFormatRemux);
av_freep(&streamList);
}
};
int main(int argc, char **argv)
{
auto vp = EdgeVideoMgr();
// AVFormatContext *pAVFormatInput = NULL, *pAVFormatRemux = NULL;
// AVPacket packet;
// AVCodec *pCodec = NULL;
// AVDictionary *pOptsRemux = NULL, *pOptsInput = NULL, *pOptsOutput = NULL;
// (void) pOptsInput;
// const char *urlInput, *urlOutput;
// int ret, i, idxVideo;
// int streamIdx = 0;
// int *streamList = NULL;
// int numStreams = 0;
// if (argc != 3) {
// printf("usage: <cmd> rtsp_in rtsp_out\n");
// return -1;
// }
// urlInput = argv[1];
// urlOutput = argv[2];
// if ((ret = avformat_open_input(&pAVFormatInput, urlInput, NULL, NULL)) < 0) {
// logThrow(NULL, AV_LOG_FATAL, "Could not open input file '%s'", urlInput);
// goto end;
// }
// if ((ret = avformat_find_stream_info(pAVFormatInput, NULL)) < 0) {
// logThrow(NULL, AV_LOG_FATAL, "Failed to retrieve input stream information");
// goto end;
// }
// ret = avformat_alloc_output_context2(&pAVFormatRemux, NULL, "rtsp", urlOutput);
// if (ret < 0) {
// logThrow(NULL, AV_LOG_FATAL, "failed create avformatcontext for output: %s", av_err2str(ret));
// goto end;
// }
// numStreams = pAVFormatInput->nb_streams;
// streamList = (int *)av_mallocz_array(numStreams, sizeof(*streamList));
// if (!streamList) {
// ret = AVERROR(ENOMEM);
// goto end;
// }
// // find all video & audio streams for remuxing
// for (i = 0; i < pAVFormatInput->nb_streams; i++) {
// AVStream *out_stream;
// AVStream *in_stream = pAVFormatInput->streams[i];
// AVCodecParameters *in_codecpar = in_stream->codecpar;
// if (in_codecpar->codec_type != AVMEDIA_TYPE_AUDIO &&
// in_codecpar->codec_type != AVMEDIA_TYPE_VIDEO &&
// in_codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE) {
// streamList[i] = -1;
// continue;
// }
// streamList[i] = streamIdx++;
// out_stream = avformat_new_stream(pAVFormatRemux, NULL);
// if (!out_stream) {
// logThrow(NULL, AV_LOG_FATAL, "Failed allocating output stream\n");
// ret = AVERROR_UNKNOWN;
// goto end;
// }
// ret = avcodec_parameters_copy(out_stream->codecpar, in_codecpar);
// if (ret < 0) {
// logThrow(NULL, AV_LOG_FATAL, "Failed to copy codec parameters\n");
// goto end;
// }
// }
// av_dump_format(pAVFormatRemux, 0, urlOutput, 1);
// // find best video stream
// idxVideo = av_find_best_stream(pAVFormatInput, AVMEDIA_TYPE_VIDEO, -1, -1, &pCodec, 0);
// if(idxVideo < 0) {
// logThrow(NULL, AV_LOG_FATAL, "failed find best video stream");
// goto end;
// }
// // unless it's a no file (we'll talk later about that) write to the disk (FLAG_WRITE)
// // but basically it's a way to save the file to a buffer so you can store it
// // wherever you want.
// if (!(pAVFormatRemux->oformat->flags & AVFMT_NOFILE)) {
// logThrow(NULL, AV_LOG_FATAL, "Failed allocating output stream\n");
// ret = avio_open2(&pAVFormatRemux->pb, urlOutput, AVIO_FLAG_WRITE, NULL, &pOptsRemux);
// if (ret < 0) {
// logThrow(NULL, AV_LOG_FATAL, "Could not open output file '%s'", urlOutput);
// goto end;
// }
// }
// // if (mp4Fragmented) {
// // av_dict_set(&pOptsRemux, "movflags", "frag_keyframe+empty_moov+default_base_moof", 0);
// // }
// // rtsp tcp
// if(av_dict_set(&pOptsRemux, "rtsp_transport", "tcp", 0) < 0) {
// logThrow(NULL, AV_LOG_FATAL, "failed set output pOptsRemux");
// ret = AVERROR_UNKNOWN;
// goto end;
// }
// ret = avformat_write_header(pAVFormatRemux, &pOptsRemux);
// if (ret < 0) {
// logThrow(NULL, AV_LOG_FATAL, "Error occurred when opening output file\n");
// goto end;
// }
// while (1) {
// AVStream *in_stream, *out_stream;
// ret = av_read_frame(pAVFormatInput, &packet);
// if (ret < 0)
// break;
// in_stream = pAVFormatInput->streams[packet.stream_index];
// if (packet.stream_index >= numStreams || streamList[packet.stream_index] < 0) {
// av_packet_unref(&packet);
// continue;
// }
// packet.stream_index = streamList[packet.stream_index];
// out_stream = pAVFormatRemux->streams[packet.stream_index];
// /* copy packet */
// packet.pts = av_rescale_q_rnd(packet.pts, in_stream->time_base, out_stream->time_base, AVRounding(AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));
// packet.dts = av_rescale_q_rnd(packet.dts, in_stream->time_base, out_stream->time_base, AVRounding(AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));
// packet.duration = av_rescale_q(packet.duration, in_stream->time_base, out_stream->time_base);
// packet.pos = -1;
// ret = av_interleaved_write_frame(pAVFormatRemux, &packet);
// if (ret < 0) {
// logThrow(NULL, AV_LOG_FATAL, "Error muxing packet\n");
// break;
// }
// av_packet_unref(&packet);
// }
// av_write_trailer(pAVFormatRemux);
// end:
// avformat_close_input(&pAVFormatInput);
// /* close output */
// if (pAVFormatRemux && !(pAVFormatRemux->oformat->flags & AVFMT_NOFILE))
// avio_closep(&pAVFormatRemux->pb);
// avformat_free_context(pAVFormatRemux);
// av_freep(&streamList);
// if (ret < 0 && ret != AVERROR_EOF) {
// logThrow(NULL, AV_LOG_FATAL, "Error occurred: %s\n", av_err2str(ret));
// return 1;
// }
// return 0;
}
......@@ -23,7 +23,7 @@ namespace PacketSerializer {
int wholeSize = 4 + pkt.size;
if(pkt.side_data_elems != 0) {
for(int i = 0; i < pkt.side_data_elems; i++) {
wholeSize += pkt.side_data[i].size + 8;
wholeSize += pkt.side_data[i].size + sizeof(AVPacketSideData);
}
}else{
wholeSize +=4;
......
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