mirror of
https://github.com/DKJone/DKWechatHelper.git
synced 2026-07-29 06:12:07 +08:00
[v1.0.7](https://github.com/DKWechatHelper/DKWechatHelper/releases/tag/1.0.7) / 2021-01-29
what's new * 动态启动图 * 动态聊天背景 * 支持8.0.1 * 更新越狱包8.0.1 * 更新已注入助手的8.0.1未签名包 * 更新越狱源安装包
This commit is contained in:
DKJone
@@ -0,0 +1,30 @@
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// QGBaseDecoder.h
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// Tencent is pleased to support the open source community by making vap available.
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//
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// Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
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//
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// Licensed under the MIT License (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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//
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// http://opensource.org/licenses/MIT
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions and
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// limitations under the License.
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#import <Foundation/Foundation.h>
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#import "QGAnimatedImageDecodeThread.h"
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#import "QGBaseDFileInfo.h"
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@interface QGBaseDecoder : NSObject
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@property (atomic, assign) NSInteger currentDecodeFrame; //正在解码的帧索引
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@property (nonatomic, readonly) QGBaseDFileInfo *fileInfo; //解码文件信息 只能通过初始化方法赋值
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- (instancetype)initWith:(QGBaseDFileInfo *)fileInfo error:(NSError **)error;
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- (void)decodeFrame:(NSInteger)frameIndex buffers:(NSMutableArray *)buffers;
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- (BOOL)shouldStopDecode:(NSInteger)nextFrameIndex;
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- (BOOL)isFrameIndexBeyondEnd:(NSInteger)frameIndex;
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@end
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@@ -0,0 +1,70 @@
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// QGBaseDecoder.m
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// Tencent is pleased to support the open source community by making vap available.
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//
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// Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
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//
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// Licensed under the MIT License (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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//
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// http://opensource.org/licenses/MIT
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions and
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// limitations under the License.
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#import "QGBaseDecoder.h"
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#import "QGAnimatedImageDecodeThreadPool.h"
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@interface QGBaseDecoder() {
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QGBaseDFileInfo *_fileInfo;
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}
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@end
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@implementation QGBaseDecoder
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- (instancetype)initWith:(QGBaseDFileInfo *)fileInfo error:(NSError **)error {
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if (self = [super init]) {
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_currentDecodeFrame = -1;
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_fileInfo = fileInfo;
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_fileInfo.occupiedCount ++;
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}
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return self;
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}
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- (QGBaseDFileInfo *)fileInfo {
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return _fileInfo;
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}
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/**
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由具体子类实现
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该方法在decodeframe方法即将被调用时调用，如果返回YES则停止解码工作
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@param nextFrameIndex 将要解码的帧索引
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@return 是否需要继续解码
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*/
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- (BOOL)shouldStopDecode:(NSInteger)nextFrameIndex {
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// No implementation here. Meant to be overriden in subclass.
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return NO;
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}
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- (BOOL)isFrameIndexBeyondEnd:(NSInteger)frameIndex {
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return NO;
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}
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/**
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在专用线程内解码指定帧并放入对应的缓冲区内
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@param frameIndex 帧索引
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@param buffers 缓冲
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*/
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- (void)decodeFrame:(NSInteger)frameIndex buffers:(NSMutableArray *)buffers {
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// No implementation here. Meant to be overriden in subclass.
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}
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@end
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@@ -0,0 +1,42 @@
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// QGMP4FrameHWDecoder.h
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// Tencent is pleased to support the open source community by making vap available.
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//
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// Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
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//
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// Licensed under the MIT License (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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//
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// http://opensource.org/licenses/MIT
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions and
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// limitations under the License.
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#import "QGBaseDecoder.h"
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#import "QGMP4HWDFileInfo.h"
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#import <UIKit/UIKit.h>
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/* 数字跳动的动画类型*/
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typedef NS_ENUM(NSInteger, QGMP4HWDErrorCode){
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QGMP4HWDErrorCode_FileNotExist = 10000, // 文件不存在
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QGMP4HWDErrorCode_InvalidMP4File = 10001, // 非法的mp4文件
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QGMP4HWDErrorCode_CanNotGetStreamInfo = 10002, // 无法获取视频流信息
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QGMP4HWDErrorCode_CanNotGetStream = 10003, // 无法获取视频流
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QGMP4HWDErrorCode_ErrorCreateVTBDesc = 10004, // 创建desc失败
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QGMP4HWDErrorCode_ErrorCreateVTBSession = 10005, // 创建session失败
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};
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@interface UIDevice (HWD)
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- (BOOL)hwd_isSimulator;
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@end
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@interface QGMP4FrameHWDecoder : QGBaseDecoder
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+ (NSString *)errorDescriptionForCode:(QGMP4HWDErrorCode)errorCode;
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@end
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@@ -0,0 +1,483 @@
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// QGMP4FrameHWDecoder.m
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// Tencent is pleased to support the open source community by making vap available.
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//
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// Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
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//
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// Licensed under the MIT License (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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//
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// http://opensource.org/licenses/MIT
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions and
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// limitations under the License.
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#import "QGMP4FrameHWDecoder.h"
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#import "QGVAPWeakProxy.h"
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#import "QGMP4AnimatedImageFrame.h"
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#import "QGBaseAnimatedImageFrame+Displaying.h"
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#import <VideoToolbox/VideoToolbox.h>
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#import "QGHWDMP4OpenGLView.h"
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#import "QGMP4Parser.h"
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#import "QGVAPSafeMutableArray.h"
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#import "NSNotificationCenter+VAPThreadSafe.h"
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#include <sys/sysctl.h>
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#import <AVFoundation/AVFoundation.h>
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@implementation UIDevice (HWD)
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- (BOOL)hwd_isSimulator {
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static dispatch_once_t token;
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static BOOL isSimulator = NO;
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dispatch_once(&token, ^{
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NSString *model = [self machineName];
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if ([model isEqualToString:@"x86_64"] || [model isEqualToString:@"i386"]) {
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isSimulator = YES;
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}
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});
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return isSimulator;
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}
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- (NSString *)machineName {
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static dispatch_once_t token;
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static NSString *name;
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dispatch_once(&token, ^{
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size_t size;
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sysctlbyname("hw.machine", NULL, &size, NULL, 0);
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char *machineName = malloc(size);
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sysctlbyname("hw.machine", machineName, &size, NULL, 0);
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name = [NSString stringWithUTF8String:machineName];
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free(machineName);
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});
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return name;
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}
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@end
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@interface NSArray (SafeOperation)
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@end
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@implementation NSArray (SafeOperation)
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- (id)safeObjectAtIndex:(NSUInteger)index
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{
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if (index >= self.count) {
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NSAssert(0, @"Error: access to array index which is beyond bounds! ");
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return nil;
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}
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return self[index];
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}
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@end
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@interface QGMP4FrameHWDecoder() {
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NSMutableArray *_buffers;
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int _videoStream;
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int _outputWidth, _outputHeight;
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OSStatus _status;
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BOOL _isFinish;
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VTDecompressionSessionRef _mDecodeSession;
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CMFormatDescriptionRef _mFormatDescription;
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NSInteger _finishFrameIndex;
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NSError *_constructErr;
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QGMP4ParserProxy *_mp4Parser;
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}
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@property (atomic, strong) dispatch_queue_t decodeQueue; //dispatch decode task
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@property (nonatomic, strong) NSData *ppsData; //Picture Parameter Set
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@property (nonatomic, strong) NSData *spsData; //Sequence Parameter Set
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/** Video Parameter Set */
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@property (nonatomic, strong) NSData *vpsData;
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@end
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NSString *const QGMP4HWDErrorDomain = @"QGMP4HWDErrorDomain";
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@implementation QGMP4FrameHWDecoder
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+ (NSString *)errorDescriptionForCode:(QGMP4HWDErrorCode)errorCode {
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NSArray *errorDescs = @[@"文件不存在",@"非法文件格式",@"无法获取视频流信息",@"无法获取视频流",@"VTB创建desc失败",@"VTB创建session失败"];
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NSString *desc = @"";
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switch (errorCode) {
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case QGMP4HWDErrorCode_FileNotExist:
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desc = [errorDescs safeObjectAtIndex:0];
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break;
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case QGMP4HWDErrorCode_InvalidMP4File:
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desc = [errorDescs safeObjectAtIndex:1];
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break;
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case QGMP4HWDErrorCode_CanNotGetStreamInfo:
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desc = [errorDescs safeObjectAtIndex:2];
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break;
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case QGMP4HWDErrorCode_CanNotGetStream:
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desc = [errorDescs safeObjectAtIndex:3];
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break;
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case QGMP4HWDErrorCode_ErrorCreateVTBDesc:
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desc = [errorDescs safeObjectAtIndex:4];
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break;
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case QGMP4HWDErrorCode_ErrorCreateVTBSession:
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desc = [errorDescs safeObjectAtIndex:5];
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break;
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default:
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break;
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}
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return desc;
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}
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- (instancetype)initWith:(QGMP4HWDFileInfo *)fileInfo error:(NSError *__autoreleasing *)error{
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if (self = [super initWith:fileInfo error:error]) {
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_decodeQueue = dispatch_queue_create("com.qgame.vap.decode", DISPATCH_QUEUE_SERIAL);
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_mp4Parser = fileInfo.mp4Parser;
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BOOL isOpenSuccess = [self onInputStart];
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if (!isOpenSuccess) {
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VAP_Event(kQGVAPModuleCommon, @"onInputStart fail!");
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*error = _constructErr;
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self = nil;
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return nil;
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}
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[self registerNotification];
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}
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return self;
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}
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- (void)registerNotification {
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[[NSNotificationCenter defaultCenter] hwd_addSafeObserver:self selector:@selector(hwd_didReceiveEnterBackgroundNotification:) name:UIApplicationDidEnterBackgroundNotification object:nil];
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[[NSNotificationCenter defaultCenter] hwd_addSafeObserver:self selector:@selector(hwd_didReceiveEnterBackgroundNotification:) name:UIApplicationWillResignActiveNotification object:nil];
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}
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- (void)hwd_didReceiveEnterBackgroundNotification:(NSNotification *)notification {
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[self onInputEnd];
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}
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- (void)decodeFrame:(NSInteger)frameIndex buffers:(NSMutableArray *)buffers {
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if (frameIndex == self.currentDecodeFrame) {
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VAP_Event(kQGVAPModuleCommon, @"already in decode");
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return ;
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}
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self.currentDecodeFrame = frameIndex;
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_buffers = buffers;
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dispatch_async(self.decodeQueue, ^{
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[self _decodeFrame:frameIndex];
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});
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}
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- (void)_decodeFrame:(NSInteger)frameIndex {
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if (_isFinish) {
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return ;
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}
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if (!_buffers) {
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return ;
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}
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if (self.spsData == nil || self.ppsData == nil) {
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return ;
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}
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//解码开始时间
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NSDate *startDate = [NSDate date];
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NSData *packetData = [_mp4Parser readPacketOfSample:frameIndex];
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if (!packetData.length) {
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_finishFrameIndex = frameIndex;
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[self onInputEnd];
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return;
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}
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// 获取当前帧pts,pts是在parse mp4 box时得到的
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uint64_t currentPts = [_mp4Parser.videoSamples[frameIndex] pts];
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CVPixelBufferRef outputPixelBuffer = NULL;
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// 4. get NALUnit payload into a CMBlockBuffer,
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CMBlockBufferRef blockBuffer = NULL;
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_status = CMBlockBufferCreateWithMemoryBlock(kCFAllocatorDefault,
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(void *)packetData.bytes,
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packetData.length,
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kCFAllocatorNull, NULL, 0,
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packetData.length, 0,
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&blockBuffer);
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// 6. create a CMSampleBuffer.
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CMSampleBufferRef sampleBuffer = NULL;
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const size_t sampleSizeArray[] = {packetData.length};
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_status = CMSampleBufferCreateReady(kCFAllocatorDefault,
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blockBuffer,
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_mFormatDescription,
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1, 0, NULL, 1, sampleSizeArray,
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&sampleBuffer);
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if (blockBuffer) {
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CFRelease(blockBuffer);
|
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}
|
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// 7. use VTDecompressionSessionDecodeFrame
|
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if (@available(iOS 9.0, *)) {
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__typeof(self) __weak weakSelf = self;
|
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VTDecodeFrameFlags flags = 0;
|
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VTDecodeInfoFlags flagOut = 0;
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VTDecompressionSessionDecodeFrameWithOutputHandler(_mDecodeSession, sampleBuffer, flags, &flagOut, ^(OSStatus status, VTDecodeInfoFlags infoFlags, CVImageBufferRef _Nullable imageBuffer, CMTime presentationTimeStamp, CMTime presentationDuration) {
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CFRelease(sampleBuffer);
|
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__typeof(self) strongSelf = weakSelf;
|
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if (strongSelf == nil) {
|
||||
return;
|
||||
}
|
||||
|
||||
if(status == kVTInvalidSessionErr) {
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VAP_Error(kQGVAPModuleCommon, @"decompress fail! frame:%@ kVTInvalidSessionErr error:%@", @(frameIndex), @(status));
|
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} else if(status == kVTVideoDecoderBadDataErr) {
|
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VAP_Error(kQGVAPModuleCommon, @"decompress fail! frame:%@ kVTVideoDecoderBadDataErr error:%@", @(frameIndex), @(status));
|
||||
} else if(status != noErr) {
|
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VAP_Error(kQGVAPModuleCommon, @"decompress fail! frame:%@ error:%@", @(frameIndex), @(status));
|
||||
}
|
||||
|
||||
QGMP4AnimatedImageFrame *newFrame = [[QGMP4AnimatedImageFrame alloc] init];
|
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// imagebuffer会在frame回收时释放
|
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CVPixelBufferRetain(imageBuffer);
|
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newFrame.pixelBuffer = imageBuffer;
|
||||
newFrame.frameIndex = frameIndex; //dts顺序
|
||||
NSTimeInterval decodeTime = [[NSDate date] timeIntervalSinceDate:startDate]*1000;
|
||||
newFrame.decodeTime = decodeTime;
|
||||
newFrame.defaultFps =(int) strongSelf->_mp4Parser.fps;
|
||||
newFrame.pts = currentPts;
|
||||
|
||||
// 8. insert into buffer
|
||||
[strongSelf->_buffers addObject:newFrame];
|
||||
|
||||
// 9. sort
|
||||
[strongSelf->_buffers sortUsingComparator:^NSComparisonResult(QGMP4AnimatedImageFrame * _Nonnull obj1, QGMP4AnimatedImageFrame * _Nonnull obj2) {
|
||||
return [@(obj1.pts) compare:@(obj2.pts)];
|
||||
}];
|
||||
});
|
||||
} else {
|
||||
// 7. use VTDecompressionSessionDecodeFrame
|
||||
VTDecodeFrameFlags flags = 0;
|
||||
VTDecodeInfoFlags flagOut = 0;
|
||||
_status = VTDecompressionSessionDecodeFrame(_mDecodeSession, sampleBuffer, flags, &outputPixelBuffer, &flagOut);
|
||||
|
||||
if(_status == kVTInvalidSessionErr) {
|
||||
} else if(_status == kVTVideoDecoderBadDataErr) {
|
||||
} else if(_status != noErr) {
|
||||
}
|
||||
CFRelease(sampleBuffer);
|
||||
|
||||
QGMP4AnimatedImageFrame *newFrame = [[QGMP4AnimatedImageFrame alloc] init];
|
||||
// imagebuffer会在frame回收时释放
|
||||
newFrame.pixelBuffer = outputPixelBuffer;
|
||||
newFrame.frameIndex = frameIndex;
|
||||
NSTimeInterval decodeTime = [[NSDate date] timeIntervalSinceDate:startDate]*1000;
|
||||
newFrame.decodeTime = decodeTime;
|
||||
newFrame.defaultFps = (int)_mp4Parser.fps;
|
||||
|
||||
// 8. insert into buffer
|
||||
[_buffers addObject:newFrame];
|
||||
|
||||
// 9. sort
|
||||
[_buffers sortUsingComparator:^NSComparisonResult(QGMP4AnimatedImageFrame * _Nonnull obj1, QGMP4AnimatedImageFrame * _Nonnull obj2) {
|
||||
return [@(obj1.pts) compare:@(obj2.pts)];
|
||||
}];
|
||||
}
|
||||
}
|
||||
|
||||
#pragma mark - override
|
||||
|
||||
- (BOOL)shouldStopDecode:(NSInteger)nextFrameIndex {
|
||||
return _isFinish;
|
||||
}
|
||||
|
||||
- (BOOL)isFrameIndexBeyondEnd:(NSInteger)frameIndex {
|
||||
|
||||
if (_finishFrameIndex > 0) {
|
||||
return (frameIndex >= _finishFrameIndex);
|
||||
}
|
||||
return NO;
|
||||
}
|
||||
|
||||
-(void)dealloc {
|
||||
|
||||
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
||||
[self _onInputEnd];
|
||||
self.fileInfo.occupiedCount --;
|
||||
if (self.fileInfo.occupiedCount <= 0) {
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
#pragma mark - private methods
|
||||
|
||||
- (BOOL)onInputStart {
|
||||
|
||||
NSFileManager *fileMgr = [NSFileManager defaultManager];
|
||||
if (![fileMgr fileExistsAtPath:self.fileInfo.filePath]) {
|
||||
_constructErr = [NSError errorWithDomain:QGMP4HWDErrorDomain code:QGMP4HWDErrorCode_FileNotExist userInfo:[self errorUserInfo]];
|
||||
return NO;
|
||||
}
|
||||
|
||||
_isFinish = NO;
|
||||
self.vpsData = nil;
|
||||
self.spsData = nil;
|
||||
self.ppsData = nil;
|
||||
_outputWidth = (int)_mp4Parser.picWidth;
|
||||
_outputHeight = (int)_mp4Parser.picHeight;
|
||||
|
||||
BOOL paramsSetInitSuccess = [self initPPSnSPS];
|
||||
return paramsSetInitSuccess;
|
||||
}
|
||||
|
||||
- (BOOL)initPPSnSPS {
|
||||
|
||||
VAP_Info(kQGVAPModuleCommon, @"initPPSnSPS");
|
||||
if (self.spsData && self.ppsData) {
|
||||
VAP_Error(kQGVAPModuleCommon, @"sps&pps is already has value.");
|
||||
return YES;
|
||||
}
|
||||
|
||||
self.spsData = _mp4Parser.spsData;
|
||||
self.ppsData = _mp4Parser.ppsData;
|
||||
self.vpsData = _mp4Parser.vpsData;
|
||||
|
||||
// 2. create CMFormatDescription
|
||||
if (self.spsData != nil && self.ppsData != nil && _mp4Parser.videoCodecID != QGMP4VideoStreamCodecIDUnknown) {
|
||||
if (_mp4Parser.videoCodecID == QGMP4VideoStreamCodecIDH264) {
|
||||
const uint8_t* const parameterSetPointers[2] = { (const uint8_t*)[self.spsData bytes], (const uint8_t*)[self.ppsData bytes] };
|
||||
const size_t parameterSetSizes[2] = { [self.spsData length], [self.ppsData length] };
|
||||
|
||||
_status = CMVideoFormatDescriptionCreateFromH264ParameterSets(kCFAllocatorDefault,
|
||||
2,
|
||||
parameterSetPointers,
|
||||
parameterSetSizes,
|
||||
4,
|
||||
&_mFormatDescription);
|
||||
if (_status != noErr) {
|
||||
VAP_Event(kQGVAPModuleCommon, @"CMVideoFormatDescription. Creation: %@.", (_status == noErr) ? @"successfully." : @"failed.");
|
||||
_constructErr = [NSError errorWithDomain:QGMP4HWDErrorDomain code:QGMP4HWDErrorCode_ErrorCreateVTBDesc userInfo:[self errorUserInfo]];
|
||||
return NO;
|
||||
}
|
||||
} else if (_mp4Parser.videoCodecID == QGMP4VideoStreamCodecIDH265) {
|
||||
if (@available(iOS 11.0, *)) {
|
||||
if(VTIsHardwareDecodeSupported(kCMVideoCodecType_HEVC)) {
|
||||
const uint8_t* const parameterSetPointers[3] = {(const uint8_t*)[self.vpsData bytes], (const uint8_t*)[self.spsData bytes], (const uint8_t*)[self.ppsData bytes]};
|
||||
const size_t parameterSetSizes[3] = {[self.vpsData length], [self.spsData length], [self.ppsData length]};
|
||||
|
||||
_status = CMVideoFormatDescriptionCreateFromHEVCParameterSets(kCFAllocatorDefault,
|
||||
3, // parameter_set_count
|
||||
parameterSetPointers, // ¶meter_set_pointers
|
||||
parameterSetSizes, // ¶meter_set_sizes
|
||||
4, // nal_unit_header_length
|
||||
NULL,
|
||||
&_mFormatDescription);
|
||||
if (_status != noErr) {
|
||||
VAP_Event(kQGVAPModuleCommon, @"CMVideoFormatDescription. Creation: %@.", (_status == noErr) ? @"successfully." : @"failed.");
|
||||
_constructErr = [NSError errorWithDomain:QGMP4HWDErrorDomain code:QGMP4HWDErrorCode_ErrorCreateVTBDesc userInfo:[self errorUserInfo]];
|
||||
return NO;
|
||||
}
|
||||
} else {
|
||||
VAP_Event(kQGVAPModuleCommon, @"H.265 decoding is un-supported because of the hardware");
|
||||
return NO;
|
||||
}
|
||||
} else {
|
||||
VAP_Event(kQGVAPModuleCommon, @"System version is too low to support H.265 decoding");
|
||||
return NO;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 3. create VTDecompressionSession
|
||||
CFDictionaryRef attrs = NULL;
|
||||
const void *keys[] = {kCVPixelBufferPixelFormatTypeKey};
|
||||
// kCVPixelFormatType_420YpCbCr8Planar is YUV420
|
||||
// kCVPixelFormatType_420YpCbCr8BiPlanarFullRange is NV12
|
||||
uint32_t v = kCVPixelFormatType_420YpCbCr8BiPlanarFullRange;
|
||||
const void *values[] = { CFNumberCreate(NULL, kCFNumberSInt32Type, &v) };
|
||||
attrs = CFDictionaryCreate(NULL, keys, values, 1, NULL, NULL);
|
||||
|
||||
if ([UIDevice currentDevice].systemVersion.floatValue >= 9.0) {
|
||||
_status = VTDecompressionSessionCreate(kCFAllocatorDefault,
|
||||
_mFormatDescription,
|
||||
NULL,
|
||||
attrs,
|
||||
NULL,
|
||||
&_mDecodeSession);
|
||||
if (_status != noErr) {
|
||||
CFRelease(attrs);
|
||||
_constructErr = [NSError errorWithDomain:QGMP4HWDErrorDomain code:QGMP4HWDErrorCode_ErrorCreateVTBSession userInfo:[self errorUserInfo]];
|
||||
return NO;
|
||||
}
|
||||
} else {
|
||||
VTDecompressionOutputCallbackRecord callBackRecord;
|
||||
callBackRecord.decompressionOutputCallback = didDecompress;
|
||||
callBackRecord.decompressionOutputRefCon = NULL;
|
||||
|
||||
_status = VTDecompressionSessionCreate(kCFAllocatorDefault,
|
||||
_mFormatDescription,
|
||||
NULL, attrs,
|
||||
&callBackRecord,
|
||||
&_mDecodeSession);
|
||||
if (_status != noErr) {
|
||||
CFRelease(attrs);
|
||||
_constructErr = [NSError errorWithDomain:QGMP4HWDErrorDomain code:QGMP4HWDErrorCode_ErrorCreateVTBSession userInfo:[self errorUserInfo]];
|
||||
return NO;
|
||||
}
|
||||
}
|
||||
CFRelease(attrs);
|
||||
return YES;
|
||||
}
|
||||
|
||||
- (void)_onInputEnd {
|
||||
if (_isFinish) {
|
||||
return ;
|
||||
}
|
||||
_isFinish = YES;
|
||||
if (_mDecodeSession) {
|
||||
VTDecompressionSessionWaitForAsynchronousFrames(_mDecodeSession);
|
||||
VTDecompressionSessionInvalidate(_mDecodeSession);
|
||||
CFRelease(_mDecodeSession);
|
||||
_mDecodeSession = NULL;
|
||||
}
|
||||
if (self.spsData || self.ppsData || self.vpsData) {
|
||||
self.spsData = nil;
|
||||
self.ppsData = nil;
|
||||
self.vpsData = nil;
|
||||
}
|
||||
if (_mFormatDescription) {
|
||||
CFRelease(_mFormatDescription);
|
||||
_mFormatDescription = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
- (void)onInputEnd {
|
||||
|
||||
//为确保任务停止，必须同步执行
|
||||
__weak __typeof(self) weakSelf = self;
|
||||
if ([NSThread isMainThread]) {
|
||||
dispatch_sync(self.decodeQueue, ^{
|
||||
[weakSelf _onInputEnd];
|
||||
});
|
||||
} else {
|
||||
dispatch_async(self.decodeQueue, ^{
|
||||
[weakSelf _onInputEnd];
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
//decode callback
|
||||
void didDecompress(void *decompressionOutputRefCon, void *sourceFrameRefCon, OSStatus status, VTDecodeInfoFlags infoFlags, CVImageBufferRef pixelBuffer, CMTime presentationTimeStamp, CMTime presentationDuration ){
|
||||
|
||||
CVPixelBufferRef *outputPixelBuffer = (CVPixelBufferRef *)sourceFrameRefCon;
|
||||
*outputPixelBuffer = CVPixelBufferRetain(pixelBuffer);
|
||||
}
|
||||
|
||||
- (NSDictionary *)errorUserInfo {
|
||||
NSDictionary *userInfo = @{@"location" : self.fileInfo.filePath ? : @""};
|
||||
return userInfo;
|
||||
}
|
||||
|
||||
@end
|
||||
Reference in New Issue
Block a user