允许在录制视频时播放音乐，例如snapchat ios

问题描述

首先，我想讨论中发生的情况。

First I want to discuss the scenario happening in snapchat.

当你开始录制视频并且歌曲在后台运行时，在Snapchat中;它允许在录制视频时继续播放该歌曲，在录制该视频后，您还可以在后台听到该歌曲。

In snapchat when you start recording video and song is running in background; It allows continue that song while recording video and after you record that video you can also able to hear that song in background.

我正在使用用于使用我的自定义布局录制视频和捕获图像。现在，我想做的就像上面的场景，但问题是每当我开始录制背景歌曲中的视频停止播放时。

I am using SCRecorder for recording video and capture image with my custom layout . Now in that I want to do just like above scenario but problem is whenever I start recording the video in background song is stopped playing.

SCRecorder正在使用 AVCaptureSession 用于录制视频。

SCRecorder is using AVCaptureSession for recording video.

那么如何解决这两个问题：

So how can I resolve this two problem:

1. 允许使用SCRecorder在视频中录制背景音乐。


2. 录制正在视频中播放的歌曲。

推荐答案

以下是我习惯用SCRecorder库播放背景音乐的方法。
希望对您有所帮助。

Here is what i used to allow background music play with SCRecorder library.Hope this help for you too.

在 didFinishLaunchingWithOptions 方法中的 AppDelegate 类中编写此代码 -

Write this code in your AppDelegate class within didFinishLaunchingWithOptions method -

AVAudioSession *session = [AVAudioSession sharedInstance];
    [session setCategory:AVAudioSessionCategoryPlayAndRecord  withOptions:AVAudioSessionCategoryOptionMixWithOthers|AVAudioSessionCategoryOptionDefaultToSpeaker|AVAudioSessionCategoryOptionAllowBluetooth error:nil];

    [session setActive:YES error:nil];

    [[UIApplication sharedApplication] beginReceivingRemoteControlEvents];

在 SCRecorder libaray'' SCRecorder.m '初始化AVCaptureSession后准备方法中的
。

After this write below line in SCRecorder libaray's 'SCRecorder.m' filewithin prepare method after initialising AVCaptureSession.

session.automaticallyConfiguresApplicationAudioSession = NO;

如果您不是SCRecorder库用户，那么在您的班级初始化AVCaptureSession之后立即写上面一行。

If you are not a SCRecorder library user, then write above line just after initialising AVCaptureSession in your class.

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