E:\bigmoved2\22\editing\old\problem>mediainfo c_good.mp4
General
Complete name                            : c_good.mp4
Format                                   : MPEG-4
Format profile                           : Base Media
Codec ID                                 : isom
File size                                : 143 KiB
Duration                                 : 1s 3ms
Overall bit rate mode                    : Variable
Overall bit rate                         : 1 166 Kbps
Writing application                      : Lavf58.3.100

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : Baseline@L3.1
Format settings, CABAC                   : No
Format settings, ReFrames                : 1 frame
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 1s 2ms
Bit rate                                 : 963 Kbps
Width                                    : 854 pixels
Height                                   : 480 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 29.970 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.078
Stream size                              : 118 KiB (82%)

Audio
ID                                       : 2
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : 40
Duration                                 : 1s 3ms
Bit rate mode                            : Variable
Bit rate                                 : 187 Kbps
Maximum bit rate                         : 195 Kbps
Channel count                            : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 48.0 KHz
Compression mode                         : Lossy
Stream size                              : 22.9 KiB (16%)



E:\bigmoved2\22\editing\old\problem>