From 6d01aa63895473799fdc119371d63a90c823bb12 Mon Sep 17 00:00:00 2001
From: xia-chu <771730766@qq.com>
Date: Sat, 18 Oct 2025 12:36:46 +0800
Subject: [PATCH] =?UTF-8?q?loadMP4File=E6=8E=A5=E5=8F=A3=E6=96=B0=E5=A2=9E?=
 =?UTF-8?q?=E6=94=AF=E6=8C=81seek=5Fms=E4=B8=8Espeed=E5=8F=82=E6=95=B0=20(?=
 =?UTF-8?q?#4261)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 postman/ZLMediaKit.postman_collection.json | 12 ++++++++++++
 server/WebApi.cpp                          | 13 +++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/postman/ZLMediaKit.postman_collection.json b/postman/ZLMediaKit.postman_collection.json
index 953c81b4..0d5e9837 100644
--- a/postman/ZLMediaKit.postman_collection.json
+++ b/postman/ZLMediaKit.postman_collection.json
@@ -2612,6 +2612,18 @@
 							"description": "是否循环点播mp4文件，如果配置文件已经开启循环点播，此参数无效",
 							"disabled": true
 						},
+						{
+							"key": "seek_ms",
+							"value": "0",
+							"description": "点播seek到特定位置，单位毫秒",
+							"disabled": true
+						},
+						{
+							"key": "speed",
+							"value": "1.0",
+							"description": "播放速度, float类型",
+							"disabled": true
+						},
 						{
 							"key": "enable_hls",
 							"value": "",
diff --git a/server/WebApi.cpp b/server/WebApi.cpp
index 7d0dda9a..2c1ade7f 100755
--- a/server/WebApi.cpp
+++ b/server/WebApi.cpp
@@ -2251,6 +2251,19 @@ void installWebApi() {
         // sample_ms设置为0，从配置文件加载；file_repeat可以指定，如果配置文件也指定循环解复用，那么强制开启  [AUTO-TRANSLATED:23e826b4]
         // sample_ms is set to 0, loaded from the configuration file; file_repeat can be specified, if the configuration file also specifies loop demultiplexing, then force it to be enabled
         reader->startReadMP4(0, true, allArgs["file_repeat"]);
+        auto seek_ms = allArgs["seek_ms"].as<uint32_t>();
+        auto speed = allArgs["speed"].as<float>();
+        if (seek_ms || speed) {
+            auto p = static_pointer_cast<MediaSourceEvent>(reader);
+            p->getOwnerPoller(MediaSource::NullMediaSource())->async([seek_ms, speed, p]() {
+                if (seek_ms) {
+                    p->seekTo(MediaSource::NullMediaSource(), seek_ms);
+                }
+                if (speed && speed != 1.0) {
+                    p->speed(MediaSource::NullMediaSource(), speed);
+                }
+            });
+        }
         val["data"]["duration_ms"] = (Json::UInt64)reader->getDemuxer()->getDurationMS();
     });
 #endif