Why Isn't My Unity Video Playing Audio After Upgrading to 5.6.0b1?

Solve the video playback without audio problems after the upgrade of Unity 5.6.0B1

Question: After upgrading to Unity 5.6.0B1, in the UNITY editor of Windows 10, there is no audio for video playback.

Solution:

The problem originated from the order of operation. To successfully play videos and audio, you must follow the following code order:

Code after the correction:

The key step is to set the audio output mode and the audio track configuration before preparing the video

. This ensures that the audio can be played correctly. Failure to exclude other problems:

// 添加VideoPlayer和AudioSource组件
videoPlayer = gameObject.AddComponent<VideoPlayer>();
audioSource = gameObject.AddComponent<AudioSource>();

// 对两个组件禁用“Play on Awake”
videoPlayer.playOnAwake = false;
audioSource.playOnAwake = false;

// 设置视频源为VideoClip和音频输出模式
videoPlayer.source = VideoSource.VideoClip;
videoPlayer.audioOutputMode = VideoAudioOutputMode.AudioSource;

// 配置音频轨道
videoPlayer.EnableAudioTrack(0, true);
videoPlayer.SetTargetAudioSource(0, audioSource);

// 设置视频剪辑并准备播放器
videoPlayer.clip = videoToPlay;
videoPlayer.Prepare();

// 等待视频准备完成
WaitForSeconds waitTime = new WaitForSeconds(5);
while (!videoPlayer.isPrepared)
{
    Debug.Log("正在准备视频");
    yield return waitTime;
    break;
}

// 将视频纹理分配给RawImage
image.texture = videoPlayer.texture;

// 播放视频和音频
videoPlayer.Play();
audioSource.Play();

Card "is preparing video"? After calling , wait for 5 seconds, and then exit the cycle.

Can't play the video from the URL? Make sure the URL is correct and supports the video format.

Unswerving video format:

Unity only supports some video formats. Please check the Unity document to understand the supported format list.

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