代码优化；

Hu Chunming
1 parent bf661eb0
Showing 5 changed files with 37 additions and 12 deletions
src/decoder/dvpp/DvppDecoder.cpp
src/decoder/dvpp/FFRecoder.cpp
src/decoder/dvpp/FFRecoder.h
src/decoder/dvpp/FFRecoderTaskManager.cpp
src/decoder/test_recoder.cpp
@@ -245,8 +245,6 @@ void DvppDecoder::close(){
 	if(m_read_thread != 0){
 		pthread_join(m_read_thread,0);
 	}
-
-    m_recoderManager.close();
 }
  
 void DvppDecoder::setPostDecArg(const void* postDecArg){
@@ -442,6 +440,8 @@ void DvppDecoder::read_thread() {
         decode_finished_cbk(m_finishedDecArg);
     }
  
+    m_recoderManager.close();
+
     LOG_INFO("[{}]- read thread exit.", m_dec_name);
 	m_bFinished = true;
     release_ffmpeg();
@@ -24,7 +24,6 @@ FFRecoder::FFRecoder()
  
 FFRecoder::~FFRecoder()
 {
-	uninit();
 }
  
  
@@ -125,7 +124,7 @@ bool FFRecoder::init(AVStream* stream, AVCodecContext* avctx, const char* outfil
  
 	codec_ctx_ = (AVCodecContext*)av_malloc(sizeof(AVCodecContext));
 	avcodec_copy_context(codec_ctx_, avctx);
-	codec_ctx_->time_base = stream->time_base;
+	codec_ctx_->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
 	m_inStream = stream;
  
 	// [2] 创建输出上下文
@@ -133,11 +132,19 @@ bool FFRecoder::init(AVStream* stream, AVCodecContext* avctx, const char* outfil
  
 	// [3] 添加输出视频流
 	out_stream_ = avformat_new_stream(fmt_ctx_, nullptr);
+
 	out_stream_->id = 0;
 	out_stream_->codecpar->codec_tag = 0;
 	avcodec_parameters_from_context(out_stream_->codecpar, codec_ctx_);
-	// out_stream_->time_base = { 1,30 };
+	// out_stream_->time_base = { 1,25 };
 	out_stream_->time_base = stream->time_base;
+	out_stream_->r_frame_rate = stream->r_frame_rate;
+	out_stream_->avg_frame_rate = stream->r_frame_rate;
+
+	codec_ctx_->time_base = out_stream_->time_base;
+
+	av_opt_set(out_stream_->codec->priv_data, "preset", "ultrafast", 0);
+	av_opt_set(out_stream_->codec->priv_data, "tune", "zerolatency", 0);
  
 	av_dump_format(fmt_ctx_, out_stream_->id, outfile_name, 1);
  
@@ -154,6 +161,18 @@ bool FFRecoder::init(AVStream* stream, AVCodecContext* avctx, const char* outfil
 	return true;
 }
  
+void FFRecoder::release() {
+	av_write_trailer(fmt_ctx_);
+
+    avcodec_close(fmt_ctx_->streams[0]->codec);
+    av_freep(&fmt_ctx_->streams[0]->codec);
+    av_freep(&fmt_ctx_->streams[0]);
+
+    avio_close(fmt_ctx_->pb);
+    av_free(fmt_ctx_);
+	fmt_ctx_ = nullptr;
+}
+
 void FFRecoder::uninit()
 {
 	//if (out_buffer) {
@@ -250,8 +269,7 @@ bool FFRecoder::write_pkt(AVPacket *pkt) {
 	// update_pts(pkt);
 	// pkt->stream_index = out_stream_->index;
  
-	// if(pkt->pts==AV_NOPTS_VALUE)
-	{
+	if(pkt->pts==AV_NOPTS_VALUE) {
 		// printf("frame_index:%d\n", frame_index);
 		//Write PTS
 		AVRational time_base1 = codec_ctx_->time_base;
@@ -262,15 +280,15 @@ bool FFRecoder::write_pkt(AVPacket *pkt) {
 		pkt->dts = pkt->pts;
 		pkt->duration = (double)calc_duration / (double)(av_q2d(time_base1)*AV_TIME_BASE);
 		frame_index++;
-	}
+	} 
 	// Convert PTS/DTS
 	pkt->pts = av_rescale_q_rnd(pkt->pts, codec_ctx_->time_base, out_stream_->time_base, (enum AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
 	pkt->dts = av_rescale_q_rnd(pkt->dts, codec_ctx_->time_base, out_stream_->time_base, (enum AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
 	pkt->duration = av_rescale_q(pkt->duration, codec_ctx_->time_base, out_stream_->time_base);
+	
 	pkt->pos = -1;
-
 	pkt->stream_index = out_stream_->index;
-
+	fmt_ctx_->duration += pkt->duration;
  
 	// 将数据写入到输出流
 	int ret = av_interleaved_write_frame(fmt_ctx_, pkt);
@@ -336,6 +354,11 @@ bool FFRecoder::flush()
 	return write_frame(nullptr);
 }
  
+bool FFRecoder::flush_pkt()
+{
+	return av_interleaved_write_frame(fmt_ctx_, nullptr);
+}
+
 bool FFRecoder::bgr_to_yuv420p(const uint8_t* const buf_bgr, uint8_t* const buf_420p)
 {
 	// 分配转换上下文
@@ -26,6 +26,8 @@ public:
 	// AVPacket 方式
 	bool init(AVStream* stream, AVCodecContext* avctx, const char* outfile_name);
 	bool write_pkt(AVPacket *pkt);
+	bool flush_pkt();
+	void release();
  
 private:
 	bool bgr_to_yuv420p(const uint8_t* const buf_bgr, uint8_t* const buf_420p);
@@ -393,7 +393,7 @@ void FFRecoderTaskManager::recode_thread2() {
             end_frame_nb = (*it_save)->frame_nb;
         }
  
-        // ffrecoder.flush();
+        ffrecoder.flush_pkt();
         ffrecoder.uninit();
  
         // 发送mq消息
@@ -64,7 +64,7 @@ int main(){
  
     MgrDecConfig config;
     config.name = task_id;
-    config.cfg.uri = "rtsp://122.97.218.170:8604/openUrl/LBBYTra?params=eyJwcm90b2NhbCI6InJ0c3AiLCJjbGllbnRUeXBlIjoib3Blbl9hcGkiLCJleHByaWVUaW1lIjotMSwicHJvdG9jb2wiOiJydHNwIiwiZXhwaXJlVGltZSI6MzAwLCJlbmFibGVNR0MiOnRydWUsImV4cGFuZCI6InN0YW5kYXJkPXJ0c3Amc3RyZWFtZm9ybT1ydHAiLCJhIjoiOTgzYjRjMmUxMThlNGU1OTlkYThmMTI3NTkyMGViODV8MXwwfDEiLCJ0IjoxfQ==";
+    config.cfg.uri = "rtsp://admin:ad123456@192.168.60.165:554/cam/realmonitor?channel=1&subtype=0";
     config.cfg.post_decoded_cbk = post_decod_cbk;
     config.cfg.decode_finished_cbk = decode_finished_cbk;
     config.cfg.force_tcp = true;  // rtsp用tcp