From c3c0d2742db73d8a91cdc28218a58e4863086095 Mon Sep 17 00:00:00 2001
From: admin <zzjincn@163.com>
Date: 星期五, 25 四月 2025 15:11:20 +0800
Subject: [PATCH] rtmp推理处理
---
PreProcessFn.cpp | 101 +++++++++++++++++++++++++++++++++++++-------------
1 files changed, 74 insertions(+), 27 deletions(-)
diff --git a/PreProcessFn.cpp b/PreProcessFn.cpp
index 86c2dce..b089513 100644
--- a/PreProcessFn.cpp
+++ b/PreProcessFn.cpp
@@ -332,6 +332,14 @@
return size * nmemb;
}
+string join(const vector<string>& sequence, const string& separator)
+{
+ std::string result;
+ for (size_t i = 0; i < sequence.size(); ++i)
+ result += sequence[i] + ((i != sequence.size() - 1) ? separator : "");
+ return result;
+}
+
/// @brief 瑙嗛娴佹媺鍙栧鐞�
/// @param _rtspUrl 瑙嗛娴佹簮鍦板潃
/// @param queJC 鏈鐞嗙殑瑙嗛娴佸抚闃熷垪
@@ -1867,6 +1875,37 @@
//瀹氫箟鎺ュ彈甯�
Mat frame;
+ vector<string> arguments = {
+ "ffmpeg "
+ "-hwaccel","cuvid",
+ "-hwaccel_output_format","cuda",
+ "-y", "-an",
+ "-f", "rawvideo",
+ "-vcodec", "rawvideo",
+ "-pix_fmt", "bgr24",
+ "-s", "640x480",
+ "-r", "15",
+ "-i", "-",
+ "-pix_fmt", "yuv420p",
+ "-f", "flv",
+ "-max_delay", "1000",
+ "-flvflags", "no_duration_filesize",
+ "-c:v","h264_nvenc",
+ "-b:v", "3M",
+ "-g:v", "15",
+ "-bf", "0",
+ "-bufsize", "50000000",
+ "-rtbufsize", "50000000",
+ "rtmp://192.168.1.8:1935/live/camera1" };
+
+ string ffmpeg_command = join(arguments, " ");
+
+ // 鎵撳紑FFmpeg杩涚▼
+ FILE* pipe = popen(ffmpeg_command.c_str(), "w");
+ if (!pipe) {
+ std::cerr << "鏃犳硶鍚姩FFmpeg" << std::endl;
+ }
+
while (!asyncStop) {
//std::cout << ipccode + "褰撳墠绾跨▼Rabbitmq鏁版嵁鏁伴噺2222:" << queJC2.size() << std::endl;
try
@@ -1885,20 +1924,9 @@
queJC2.pop();
if (frame.empty())//甯т负绌猴紝鍒欒垗寮�
- continue;
+ continue;
- // FFmpeg鎺ㄦ祦鍛戒护
- std::string ffmpeg_command =
- "ffmpeg -y -f rawvideo -pixel_format bgr24 -video_size 640x480 "
- "-framerate 30 -i - -c:v libx264 -pix_fmt yuv420p -f rtsp "
- "rtsp://192.168.1.188:8554/live/stream";
-
- // 鎵撳紑FFmpeg杩涚▼
- FILE* pipe = popen(ffmpeg_command.c_str(), "w");
- if (!pipe) {
- std::cerr << "鏃犳硶鍚姩FFmpeg" << std::endl;
- }
-
+
// 灏嗗抚鍐欏叆鍒癋Fmpeg绠￠亾涓�
fwrite(frame.data, 1, frame.total() * frame.elemSize(), pipe);
@@ -1931,6 +1959,37 @@
//瀹氫箟鎺ュ彈甯�
Mat frame;
+ vector<string> arguments = {
+ "ffmpeg "
+ "-hwaccel","cuvid",
+ "-hwaccel_output_format","cuda",
+ "-y", "-an",
+ "-f", "rawvideo",
+ "-vcodec", "rawvideo",
+ "-pix_fmt", "bgr24",
+ "-s", "1280x720",
+ "-r", fps,
+ "-i", "-",
+ "-pix_fmt", "yuv420p",
+ "-f", "flv",
+ "-max_delay", "1000",
+ "-flvflags", "no_duration_filesize",
+ "-c:v","h264_nvenc",
+ "-b:v", "3M",
+ "-g:v", "15",
+ "-bf", "0",
+ "-bufsize", "50000000",
+ "-rtbufsize", "50000000",
+ toRtsp };
+
+ string ffmpeg_command = join(arguments, " ");
+
+ // 鎵撳紑FFmpeg杩涚▼
+ FILE* pipe = popen(ffmpeg_command.c_str(), "w");
+ if (!pipe) {
+ std::cerr << "鏃犳硶鍚姩FFmpeg" << std::endl;
+ }
+
while (!asyncStop) {
//std::cout << ipccode + "褰撳墠绾跨▼Rabbitmq鏁版嵁鏁伴噺2222:" << queJC2.size() << std::endl;
try
@@ -1949,20 +2008,8 @@
queJC2.pop();
if (frame.empty())//甯т负绌猴紝鍒欒垗寮�
- continue;
-
- // FFmpeg鎺ㄦ祦鍛戒护
- std::string ffmpeg_command =
- "ffmpeg -y -f rawvideo -pixel_format bgr24 -video_size 640x480 "
- "-framerate 30 -i - -c:v libx264 -pix_fmt yuv420p -f rtsp "
- "rtsp://192.168.1.8:8554/live/stream";
-
- // 鎵撳紑FFmpeg杩涚▼
- FILE* pipe = popen(ffmpeg_command.c_str(), "w");
- if (!pipe) {
- std::cerr << "鏃犳硶鍚姩FFmpeg" << std::endl;
- }
-
+ continue;
+
// 灏嗗抚鍐欏叆鍒癋Fmpeg绠￠亾涓�
fwrite(frame.data, 1, frame.total() * frame.elemSize(), pipe);
--
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