From 79736a6266ed8cc60e958ece1a16cb26c835bcb8 Mon Sep 17 00:00:00 2001
From: Single <libobjc@gmail.com>
Date: Wed, 30 Oct 2019 11:40:09 +0800
Subject: [PATCH] SGTracks: Infos.

---
 SGPlayer/Classes/Core/SGAsset/SGMutableTrack.m   | 11 ++++++++---
 SGPlayer/Classes/Core/SGAsset/SGTrack+Internal.h |  2 +-
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/SGPlayer/Classes/Core/SGAsset/SGMutableTrack.m b/SGPlayer/Classes/Core/SGAsset/SGMutableTrack.m
index e2071ca7..7b685011 100644
--- a/SGPlayer/Classes/Core/SGAsset/SGMutableTrack.m
+++ b/SGPlayer/Classes/Core/SGAsset/SGMutableTrack.m
@@ -37,13 +37,18 @@ - (instancetype)initWithType:(SGMediaType)type index:(NSInteger)index
 
 - (void *)coreptr
 {
-    void *ret = [super coreptr];
+    return [self core];
+}
+
+- (AVStream *)core
+{
+    void *ret = [super core];
     if (ret) {
         return ret;
     }
     for (SGTrack *obj in self->_subTracks) {
-        if (obj.coreptr) {
-            ret = obj.coreptr;
+        if (obj.core) {
+            ret = obj.core;
             break;
         }
     }
diff --git a/SGPlayer/Classes/Core/SGAsset/SGTrack+Internal.h b/SGPlayer/Classes/Core/SGAsset/SGTrack+Internal.h
index 2be125ef..69e3124e 100644
--- a/SGPlayer/Classes/Core/SGAsset/SGTrack+Internal.h
+++ b/SGPlayer/Classes/Core/SGAsset/SGTrack+Internal.h
@@ -7,8 +7,8 @@
 //
 
 #import "SGTrack.h"
+#import "SGFFmpeg.h"
 #import "SGMutableTrack.h"
-#import "avformat.h"
 
 @interface SGTrack ()