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 | 98 +++++++++++++++++++++++--------------------------
1 files changed, 46 insertions(+), 52 deletions(-)
diff --git a/csrc/ffmpeg/format/FormatIn.cpp b/csrc/ffmpeg/format/FormatIn.cpp
index bee3ae7..28b473b 100644
--- a/csrc/ffmpeg/format/FormatIn.cpp
+++ b/csrc/ffmpeg/format/FormatIn.cpp
@@ -38,38 +38,32 @@
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_){
- if (!ctx_->oformat){
- avformat_free_context(ctx_);
- }else{
- avformat_close_input(&ctx_);
- }
+ avformat_close_input(&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\n");
- 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\n");
@@ -81,14 +75,20 @@
logIt("open with custom io create custom avio 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\n", err);
- logIt("custom io failed:%s", getAVErrorDesc(err).c_str());
+
+ 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, 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;
}
@@ -154,12 +154,12 @@
vs_idx_ = i;
auto in = ctx_->streams[i];
- if(in->avg_frame_rate.num >=1 && in->avg_frame_rate.den >= 1){
- fps_ = av_q2d(in->avg_frame_rate);
- }else if(in->r_frame_rate.num >=1 && in->r_frame_rate.den >= 1){
+ if(in->r_frame_rate.num >=1 && in->r_frame_rate.den >= 1){
fps_ = av_q2d(in->r_frame_rate);
- }
- logIt("in stream video fps %f, time_base: %d : %d", fps_, in->time_base.num, in->time_base.den);
+ }else if(in->avg_frame_rate.num >=1 && in->avg_frame_rate.den >= 1){
+ fps_ = av_q2d(in->avg_frame_rate);
+ }
+ 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){
auto in = ctx_->streams[i];
@@ -172,6 +172,10 @@
}
return true;
+ }
+
+ const bool FormatIn::IsHEVC()const{
+ return ctx_->streams[vs_idx_]->codecpar->codec_id == AV_CODEC_ID_HEVC;
}
bool FormatIn::openCodec(AVDictionary **options){
@@ -190,17 +194,18 @@
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;
@@ -274,19 +279,6 @@
return NULL;
}
- std::vector<AVStream*> FormatIn::allStreams(){
- std::vector<AVStream*> vec;
- auto v = getStream(AVMEDIA_TYPE_VIDEO);
- if (v){
- vec.push_back(v);
- }
- auto a = getStream(AVMEDIA_TYPE_AUDIO);
- if (a){
- vec.push_back(a);
- }
- return vec;
- }
-
AVCodecContext *FormatIn::getCodecContext(int type){
return dec_ctx_;
}
@@ -311,7 +303,9 @@
int FormatIn::readPacket(AVPacket *pkt_out){
- return av_read_frame(ctx_, pkt_out);
+ auto flag = av_read_frame(ctx_, pkt_out);
+
+ return flag;
}
int FormatIn::decode(AVFrame* frame, AVPacket *pkt){
--
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