javascript - iOS的微信video标签为什么偶尔会出现有声音没图像的问题？-PHP中文网问答

做了一个H5的广告，结果在iOS上的微信中偶尔会出现有声音没视频的问题，而且横竖屏已转换就好了，尝试了各种办法，比方说隐藏再显示、暂停再播放都不成功。
链接地址在这里，有iphone的各位可以试试

http://lryh5_1.io.zpage.me/index.html

video标签：

<video id="video1" class="video" width="100%" preload="auto" x-webkit-airplay="true" webkit-playsinline="true" src="http://s3.zpage.me/lry/lry11.mp4"></video>

视频编码信息:

General
Complete name                  : C:\Users\Nanwang\Desktop\lry12.mp4
Format                         : MPEG-4
Format profile                 : Base Media
Codec ID                       : isom (isom/avc1)
File size                      : 1.81 MiB
Duration                       : 9s 543ms
Overall bit rate mode          : Variable
Overall bit rate               : 1 587 Kbps
Encoded date                   : UTC 2015-12-17 07:04:49
Tagged date                    : UTC 2015-12-17 07:04:49
Writing application            : FormatFactory : www.pcfreetime.com

Video
ID                             : 1
Format                         : AVC
Format/Info                    : Advanced Video Codec
Format profile                 : High@L3
Format settings, CABAC         : No
Format settings, ReFrames      : 1 frame
Codec ID                       : avc1
Codec ID/Info                  : Advanced Video Coding
Duration                       : 9s 500ms
Bit rate                       : 1 536 Kbps
Maximum bit rate               : 1 816 Kbps
Width                          : 608 pixels
Height                         : 1 080 pixels
Display aspect ratio           : 0.563
Frame rate mode                : Constant
Frame rate                     : 24.000 fps
Color space                    : YUV
Chroma subsampling             : 4:2:0
Bit depth                      : 8 bits
Scan type                      : Progressive
Bits/(Pixel*Frame)             : 0.097
Stream size                    : 1.66 MiB (92%)
Writing library                : x264 core 116 r2019 9cc407d
Encoding settings              : cabac=0 / ref=1 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=6 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=0 / weightp=2 / keyint=250 / keyint_min=24 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=abr / mbtree=1 / bitrate=1536 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
Encoded date                   : UTC 2015-12-17 07:04:49
Tagged date                    : UTC 2015-12-17 07:04:49

Audio
ID                             : 2
Format                         : AAC
Format/Info                    : Advanced Audio Codec
Format profile                 : LC
Codec ID                       : 40
Duration                       : 9s 543ms
Bit rate mode                  : Variable
Bit rate                       : 126 Kbps
Maximum bit rate               : 133 Kbps
Channel(s)                     : 2 channels
Channel positions              : Front: L R
Sampling rate                  : 44.1 KHz
Frame rate                     : 43.066 fps (1024 spf)
Compression mode               : Lossy
Stream size                    : 146 KiB (8%)
Encoded date                   : UTC 2015-12-17 07:04:49
Tagged date                    : UTC 2015-12-17 07:04:49