我的代码不适用于手机录制的视频 (MP4)。
已经测试了其他视频mp4,它可以正常工作。
他不支持可视电话吗?
Video Features :
Format : MPEG - 4
Format profile: Base Media
Codec ID : isom
File size: 29.8 MiB
Duration : 21mn 2s
Overall bit rate: 198 Kbps
Writing application : Lavf52.84.0
Video
ID: 1
Format : MPEG - 4 Visual
Format profile: Simple @ L1
Format settings , BVOP : No
Format settings , QPEL On
Format settings , GMC : No warppoints
Format settings , Matrix : Default ( H.263 )
Codec ID: 20
Duration : 21mn 2s
Bit rate: 97.5 Kbps
Width : 176 pixels
Height : 144 pixels
Display aspect ratio : 1.222
Frame rate mode: Constant
Frame rate: 29.970 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type: Progressive
Compression mode: Lossy
Bits / ( Pixel * Frame) : 0.128
Stream size: 14.7 MiB ( 49 % )
Writing library : Lavc52.97.0
audio
ID: 2
Format : MPEG Audio
Format version: Version 1
Format profile: Layer 3
Mode: Joint stereo
Mode extension: MS Stereo
Codec ID: 6B
Duration : 21mn 2s
Bit rate mode: Constant
Bit rate: 96.0 Kbps
Channel ( s ) : 2 channels
Sampling rate: 44.1 KHz
Compression mode: Lossy
Stream size: 14.4 MiB ( 48 % )
Writing library : LAME3.98.4