From 65eb475b323b3b9c28761b4e3009ab3d269963e1 Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期四, 22 十月 2020 11:13:50 +0800
Subject: [PATCH] h264 cuvid av bsf and rec

---
 csrc/ffmpeg/format/FormatIn.cpp |   56 ++------------------------------------------------------
 1 files changed, 2 insertions(+), 54 deletions(-)

diff --git a/csrc/ffmpeg/format/FormatIn.cpp b/csrc/ffmpeg/format/FormatIn.cpp
index e69a1bc..89a28fa 100644
--- a/csrc/ffmpeg/format/FormatIn.cpp
+++ b/csrc/ffmpeg/format/FormatIn.cpp
@@ -13,7 +13,6 @@
 #include <libavutil/avassert.h>
 #include <libavutil/imgutils.h>
 #include <libswscale/swscale.h>
-#include <libavutil/intreadwrite.h>
 }
 
 #include "../log/log.hpp"
@@ -38,8 +37,6 @@
 	,read_io_buff_size_(32768)
 	,handle_gb28181(NULL)
 	,fps_(25.0)
-    ,bsf_h264(NULL)
-    ,bsf_hevc(NULL)
 	{}
 
 	FormatIn::FormatIn(const VideoProp &prop, bool hw/*=true*/)
@@ -54,8 +51,6 @@
 	,read_io_buff_size_(32768)
 	,handle_gb28181(NULL)
 	,fps_(25.0)
-    ,bsf_h264(NULL)
-    ,bsf_hevc(NULL)
 	{
 		prop_ = new VideoProp;
 		*prop_ = prop;
@@ -87,8 +82,6 @@
 			io_ctx_ = NULL;
 		}
 
-        if (bsf_h264) av_bsf_free(&bsf_h264);
-        if (bsf_hevc) av_bsf_free(&bsf_hevc);
 	}
 
 ////////////////////////////////////////////////////////////////////////
@@ -190,18 +183,7 @@
             	}
 				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 (IsHEVC()){
 
-				}else if (isAVC1()) {
-					const AVBitStreamFilter *f = av_bsf_get_by_name("h264_mp4toannexb");
-                    if (f){
-                        if (av_bsf_alloc(f, &bsf_h264) >= 0){
-                            if (avcodec_parameters_copy(bsf_h264->par_in, in->codecpar) >= 0){
-                                if (av_bsf_init(bsf_h264) < 0) bsf_h264 = NULL;
-                            }
-                        }
-                    }
-                }
 			}
 			if (type == AVMEDIA_TYPE_AUDIO){
 				auto in = ctx_->streams[i];
@@ -220,7 +202,7 @@
 		return ctx_->streams[vs_idx_]->codecpar->codec_id == AV_CODEC_ID_HEVC;
 	}
 
-	const bool FormatIn::isAVC1()const{
+	const bool FormatIn::IsAVC1()const{
 		if (IsHEVC()) return false;
 
 		char p[100] = {0};
@@ -377,40 +359,6 @@
 	int FormatIn::readPacket(AVPacket *pkt_out){
 
 		auto flag = av_read_frame(ctx_, pkt_out);
-		if (flag < 0) return flag;
-
-		AVBSFContext *bsf = NULL;
-
-		if (IsHEVC()){
-			if (pkt_out->size >= 5 &&
-				AV_RB32(pkt_out->data) != 0x0000001 &&
-                AV_RB24(pkt_out->data) != 0x000001 &&
-                !bsf_hevc){
-
-				const AVBitStreamFilter *f = av_bsf_get_by_name("hevc_mp4toannexb");
-                if (f){
-                	if (av_bsf_alloc(f, &bsf_hevc) >= 0){
-                	    if (avcodec_parameters_copy(bsf_hevc->par_in, ctx_->streams[vs_idx_]->codecpar) >= 0){
-                	        if (av_bsf_init(bsf_hevc) < 0) bsf_hevc = NULL;
-                	    }
-                	}
-                }
-            }
-
-            bsf = bsf_hevc;
-
-		}else {
-			bsf = bsf_h264;
-		}
-		
-		if (bsf){
-			if (av_bsf_send_packet(bsf, pkt_out) < 0){
-                logIt("bsf_%s send packet failed", IsHEVC() ? "hevc" : "h264");
-                return -1;
-            }
-            return av_bsf_receive_packet(bsf, pkt_out);
-		}
-
 		return flag;
 	}
 
@@ -421,7 +369,7 @@
 		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());
+        	logIt("pkt size %d avcodec_send_packet error : %s", pkt->size, getAVErrorDesc(ret).c_str());
         	return -1;
         }
         while (ret >= 0) {

--
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