1.去掉mp4判别中偏移+8部分的内容(当tag size超多整体size时会+1至下一个字符开始新的判别，所以偏移+8还会被用于判别，所以不需要特意考虑)

1 files changed, 5 insertions, 5 deletions

diff --git a/src/av_format_identify.c b/src/av_format_identify.c
index 4458b97..ef6f0c1 100644
--- a/src/av_format_identify.c
+++ b/src/av_format_identify.c
@@ -342,7 +342,7 @@ int is_mp4_each(const char* buff, size_t size)
 	int ret = 0;
 	int fit_times = 0;
 	const char *p = buff;
-	const char *q = NULL;
+	//const char *q = NULL;
 	const mp4_box *box=NULL;
 	uint64_t offset = 0;
 
@@ -351,7 +351,7 @@ int is_mp4_each(const char* buff, size_t size)
 		box = (const mp4_box *)p;//?
 		if(!is_mp4_boxname(box->name))//?,sizeof(box->name))
 		{
-			if (offset <= 0xffffffff)
+			/*if (offset <= 0xffffffff)
 			{
 				p = q + 8;
 				box = (const mp4_box *)p;
@@ -359,8 +359,8 @@ int is_mp4_each(const char* buff, size_t size)
 			if (!is_mp4_boxname(box->name))
 			{
 				break;
-			}
-			//break;
+			}*/
+			break;
 		}		
 		fit_times++;
 		if (fit_times >= FIT_TIMES)
@@ -385,7 +385,7 @@ int is_mp4_each(const char* buff, size_t size)
 		{
 			offset = htonl(box->atom_size);//p+=htonl(box->atom_size);
 		}
-		q = p;
+		//q = p;
 		p += offset;
 
 	}