From 6a400396453bc7585c58fa9bb24ae7e0be2440e2 Mon Sep 17 00:00:00 2001
From: Alexey Khit <alexey.khit@gmail.com>
Date: Thu, 9 Feb 2023 06:44:50 +0300
Subject: [PATCH] Fix MJPEG processing for wallpanel project #248

---
 pkg/mjpeg/client.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkg/mjpeg/client.go b/pkg/mjpeg/client.go
index 02130d05..0b85fa11 100644
--- a/pkg/mjpeg/client.go
+++ b/pkg/mjpeg/client.go
@@ -122,7 +122,11 @@ func (c *Client) startJPEG() error {
 }
 
 func (c *Client) startMJPEG(boundary string) error {
-	boundary = "--" + boundary
+	// some cameras add prefix to boundary header:
+	// https://github.com/TheTimeWalker/wallpanel-android
+	if !strings.HasPrefix(boundary, "--") {
+		boundary = "--" + boundary
+	}
 
 	r := bufio.NewReader(c.res.Body)
 	tp := textproto.NewReader(r)