From f93ee1a42e8c47e472332287b7350b66a6b0fa11 Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期五, 24 七月 2020 18:28:57 +0800
Subject: [PATCH] 保存触发id之后的视频作为触发视频
---
csrc/ffmpeg/format/FormatIn.cpp | 188 +++++++++++++++++++---------------------------
1 files changed, 78 insertions(+), 110 deletions(-)
diff --git a/csrc/ffmpeg/format/FormatIn.cpp b/csrc/ffmpeg/format/FormatIn.cpp
index 3f87d59..28b473b 100644
--- a/csrc/ffmpeg/format/FormatIn.cpp
+++ b/csrc/ffmpeg/format/FormatIn.cpp
@@ -17,8 +17,6 @@
#include "../configure/conf.hpp"
#include "../property/VideoProp.hpp"
-#include "../data/CodedData.hpp"
-#include "../data/FrameData.hpp"
#include "../../common/gpu/info.h"
@@ -40,54 +38,57 @@
FormatIn::~FormatIn()
{
- if(io_ctx_){
- if(read_io_buff_){
- // av_free(read_io_buff_);
- read_io_buff_ = NULL;
- }
- avio_context_free(&io_ctx_);
- io_ctx_ = NULL;
+ logIt("free format in");
+ if(dec_ctx_){
+ avcodec_close(dec_ctx_);
+ avcodec_free_context(&dec_ctx_);
+ dec_ctx_ = NULL;
}
+
if(ctx_){
avformat_close_input(&ctx_);
- avformat_free_context(ctx_);
ctx_ = NULL;
- if(dec_ctx_){
- avcodec_close(dec_ctx_);
- dec_ctx_ = NULL;
- }
}
+
if (handle_gb28181){
delete handle_gb28181;
}
+
+ if(io_ctx_){
+ av_freep(&io_ctx_->buffer);
+ av_freep(&io_ctx_);
+ io_ctx_ = NULL;
+ }
+
}
////////////////////////////////////////////////////////////////////////
int FormatIn::openWithCustomIO(void *opaque, read_packet fn, AVDictionary **options/*=NULL*/){
- ctx_ = avformat_alloc_context();
- if(!ctx_){
- logIt("open with custom io create format error");
- return -1;
- }
read_io_buff_ = (uint8_t*)av_malloc(read_io_buff_size_);
if(!read_io_buff_){
- logIt("open with custom io alloc read io buff error");
+ logIt("open with custom io alloc read io buff error\n");
return -1;
}
io_ctx_ = avio_alloc_context(read_io_buff_, read_io_buff_size_, 0, opaque, fn, NULL, NULL);//opaque
if(!io_ctx_){
- logIt("open with custom io create custom avio error");
+ logIt("open with custom io create custom avio error\n");
return -1;
}
+
+ ctx_ = avformat_alloc_context();
+ if(!ctx_){
+ logIt("open with custom io create format error\n");
+ return -1;
+ }
+
ctx_->pb = io_ctx_;
- auto err = av_probe_input_buffer(ctx_->pb, &ctx_->iformat, NULL, NULL, 0, read_io_buff_size_);
- if(err != 0){
- logIt("open with custom io prob input buffer error:%d", err);
- logIt("failed:%s", getAVErrorDesc(err).c_str());
- return -1;
- }
+ // auto err = av_probe_input_buffer(ctx_->pb, &ctx_->iformat, NULL, NULL, 0, 0);
+ // if(err != 0){
+ // logIt("open with custom io prob input buffer error:%d err: %s\n", err, getAVErrorDesc(err).c_str());
+ // return -1;
+ // }
return 0;
}
@@ -100,14 +101,18 @@
delete handle_gb28181;
}
handle_gb28181 = new GB28181API;
- handle_gb28181->addCamera(fn);
+ if(handle_gb28181->addCamera(fn) == -1){
+ logIt("do addCamera Error\n");
+ return -1;
+ }
int ret = openWithCustomIO(handle_gb28181, handle_gb28181->readData, options);
if(ret < 0){
logIt("do openWithCustomIO failed:%d",ret);
- }
+ }else{
+ ret = avformat_open_input(&ctx_, "", NULL, options);
+ }
- ret = avformat_open_input(&ctx_, "", NULL, options);
// if(ret < 0){
// logIt("open %s failed:%s",filename,
// getAVErrorDesc(ret).c_str());
@@ -138,11 +143,13 @@
return false;
}
- logIt("there are %d stream", ctx_->nb_streams);
+ // logIt("there are %d stream", ctx_->nb_streams);
for (int i = 0; i < ctx_->nb_streams; ++i)
{
auto type = ctx_->streams[i]->codecpar->codec_type;
+ logIt("there are %d stream, stream %d, type %d", ctx_->nb_streams, i, type);
+
if (type == AVMEDIA_TYPE_VIDEO){
vs_idx_ = i;
@@ -151,33 +158,30 @@
fps_ = av_q2d(in->r_frame_rate);
}else if(in->avg_frame_rate.num >=1 && in->avg_frame_rate.den >= 1){
fps_ = av_q2d(in->avg_frame_rate);
- }
- logIt("video stream time base %d : %d", in->time_base.num, in->time_base.den);
+ }
+ logIt("in stream video fps %f, time_base: %d : %d, size: %dx%d", fps_, in->time_base.num, in->time_base.den, in->codecpar->width, in->codecpar->height);
}
if (type == AVMEDIA_TYPE_AUDIO){
- as_idx_ = i;
- logIt("audio stream time base %d : %d", ctx_->streams[i]->time_base.num, ctx_->streams[i]->time_base.den);
+ auto in = ctx_->streams[i];
+ logIt("in stream audio %d time_base: %d : %d", in->codecpar->codec_id, in->time_base.num, in->time_base.den);
+ if (in->codecpar->codec_id == AV_CODEC_ID_AAC)
+ as_idx_ = i;
+ else
+ logIt("record not support audio codec: %d", in->codecpar->codec_id);
}
}
+
return true;
}
- bool FormatIn::openCodec(const int type, AVDictionary **options){
- int stream_index = -1;
- switch(type){
- case AVMEDIA_TYPE_VIDEO:
- stream_index = vs_idx_;
- break;
- default:
- break;
- }
- if(stream_index < 0){
- logIt("open input %s codec need correct stream",ctx_->filename);
+ const bool FormatIn::IsHEVC()const{
+ return ctx_->streams[vs_idx_]->codecpar->codec_id == AV_CODEC_ID_HEVC;
+ }
- return false;
- }
+ bool FormatIn::openCodec(AVDictionary **options){
+ if (vs_idx_ == -1) return false;
- AVStream *s = ctx_->streams[stream_index];
+ AVStream *s = ctx_->streams[vs_idx_];
AVCodecParameters *codecpar = s->codecpar;
AVCodec *dec = NULL;
@@ -190,23 +194,23 @@
for (int i = 0; i < 2; ++i)
{
if(hw_accl_){
- idle_gpu = gpu::getGPU(100);
+ // idle_gpu = gpu::getGPUPrior(300, 1024, 0);
+ idle_gpu = gpu::getGPU(300);
if(idle_gpu < 0){
logIt("NO GPU RESOURCE TO DECODE");
hw_accl_ = false;
continue;
}
- if(codecpar->codec_id == AV_CODEC_ID_H264){
- dec = avcodec_find_decoder_by_name("h264_cuvid");
- }else if(codecpar->codec_id == AV_CODEC_ID_H265){
- dec = avcodec_find_decoder_by_name("hevc_cuvid");
- }
+
+ std::string codec_name(avcodec_get_name(codecpar->codec_id));
+ codec_name += "_cuvid";
+ dec = avcodec_find_decoder_by_name(codec_name.c_str());
+
if(!dec){
hw_accl_ = false;
continue;
}else{
av_dict_set(&avdic, "gpu", std::to_string(idle_gpu).c_str(), 0);
- // av_dict_set(&avdic, "gpu", std::to_string(2).c_str(), 0);
}
}else{
dec = avcodec_find_decoder(codecpar->codec_id);
@@ -267,9 +271,9 @@
return ctx_->streams[vs_idx_];
}
- if (type == ctx_->streams[vs_idx_]->codecpar->codec_type)
+ if (vs_idx_ > -1 && type == ctx_->streams[vs_idx_]->codecpar->codec_type)
return ctx_->streams[vs_idx_];
- if (type == ctx_->streams[as_idx_]->codecpar->codec_type)
+ if (as_idx_ > -1 && type == ctx_->streams[as_idx_]->codecpar->codec_type)
return ctx_->streams[as_idx_];
return NULL;
@@ -279,43 +283,37 @@
return dec_ctx_;
}
- bool FormatIn::isVideoPkt(AVPacket &pkt){
- if (pkt.stream_index == vs_idx_){
+ bool FormatIn::isVideoPkt(AVPacket *pkt){
+ if (pkt->stream_index == vs_idx_){
return true;
}
return false;
}
- bool FormatIn::isAudioPkt(AVPacket &pkt){
- if (pkt.stream_index == as_idx_){
+ bool FormatIn::isAudioPkt(AVPacket *pkt){
+ if (pkt->stream_index == as_idx_){
return true;
}
return false;
}
- bool FormatIn::readPacket(AVPacket &pkt_out){
+ bool FormatIn::notVideoAudio(AVPacket *pkt){
+ return !isVideoPkt(pkt) && !isAudioPkt(pkt);
+ }
+
+ int FormatIn::readPacket(AVPacket *pkt_out){
- const int ret = av_read_frame(ctx_, &pkt_out);
- if(ret < 0){
- return false;
- }
+ auto flag = av_read_frame(ctx_, pkt_out);
- return true;
-
+ return flag;
}
- bool FormatIn::readPacket(std::shared_ptr<CodedData> &data){
-
- AVPacket &pkt(data->getAVPacket());
- return readPacket(pkt);
- }
-
- int FormatIn::decode(AVFrame* &frame, AVPacket &pkt){
+ int FormatIn::decode(AVFrame* frame, AVPacket *pkt){
AVStream *in = getStream();
- av_packet_rescale_ts(&pkt, in->time_base, in->codec->time_base);
- int ret = avcodec_send_packet(dec_ctx_, &pkt);
+ av_packet_rescale_ts(pkt, in->time_base, in->codec->time_base);
+ int ret = avcodec_send_packet(dec_ctx_, pkt);
if(ret < 0){
logIt("avcodec_send_packet error : %s", getAVErrorDesc(ret).c_str());
return -1;
@@ -328,39 +326,9 @@
logIt("decode frame failed : %s", getAVErrorDesc(ret).c_str());
return -1;
}else{
- return 1;
+ return 0;
}
}
- return 0;
+ return -2;
}
-
- int FormatIn::decode(std::shared_ptr<FrameData> &frame_data,
- std::shared_ptr<CodedData> &data){
-
- AVFrame *frame = frame_data->getAVFrame();
- AVPacket &pkt(data->getAVPacket());
-
- return decode(frame, pkt);
- }
-
- int FormatIn::readFrame(AVFrame* &frame){
-
- auto data(std::make_shared<CodedData>());
- if(!readPacket(data)){
- return -1;
- }
-
- AVPacket &pkt(data->getAVPacket());
-
- return decode(frame, pkt);
- }
-
- int FormatIn::readFrame(std::shared_ptr<FrameData> &frame_data){
-
- AVFrame *frame(frame_data->getAVFrame());
-
- return readFrame(frame);
- }
-
-
}
--
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