video - 如何从 H.264 .TS 文件中提取视频信息？

Question

是否有任何好的 linux/unix 工具可以获取 H264 .TS 文件的属性？

我需要时长、视频分辨率和比特率、fps、音频分辨率和比特率。

我尝试了 mplayer -vo null -ao null -frames 0 -identify _file_，但它报告了错误的视频宽度和高度，并且还报告了文件长度(持续时间)为 0.00。

Answer 1

您可以运行 mediainfo ( here) 并解析其输出。

mediainfo <filename>会给你这样的信息:

General
ID                                       : 2 (0x2)
Format                                   : MPEG-TS
File size                                : 915 MiB
Duration                                 : 8mn 31s
Start time                               : UTC 2009-06-09 14:15:57
End time                                 : UTC 2009-06-09 14:24:12
Overall bit rate                         : 15.0 Mbps

Video #1
ID                                       : 256 (0x100)
Menu ID                                  : 1 (0x1)
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : Main@L3.0
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 4 frames
Codec ID                                 : 27
Duration                                 : 8mn 31s
Width                                    : 720 pixels
Height                                   : 576 pixels
Display aspect ratio                     : 4:3
Frame rate                               : 25.000 fps
Standard                                 : PAL
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : MBAFF
Scan order                               : Top Field First
Color primaries                          : BT.470-6 System B, BT.470-6 System G, BT.601-6 625, BT.1358 625, BT.1700 625 PAL, BT.1700 625 SECAM
Transfer characteristics                 : BT.470-6 System B, BT.470-6 System G
Matrix coefficients                      : BT.470-6 System B, BT.470-6 System G, BT.601-6 625, BT.1358 625, BT.1700 625 PAL, BT.1700 625 SECAM, IEC 61966-2-4 601

Video #2
ID                                       : 1001 (0x3E9)
Menu ID                                  : 3 (0x3)
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : Main@L3.0
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 4 frames
Format settings, GOP                     : M=3, N=24
Codec ID                                 : 27
Duration                                 : 8mn 30s
Width                                    : 720 pixels
Height                                   : 576 pixels
Display aspect ratio                     : 4:3
Frame rate                               : 25.000 fps
Standard                                 : PAL
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : MBAFF
Color primaries                          : BT.470-6 System B, BT.470-6 System G, BT.601-6 625, BT.1358 625, BT.1700 625 PAL, BT.1700 625 SECAM
Transfer characteristics                 : BT.470-6 System B, BT.470-6 System G
Matrix coefficients                      : BT.470-6 System B, BT.470-6 System G, BT.601-6 625, BT.1358 625, BT.1700 625 PAL, BT.1700 625 SECAM, IEC 61966-2-4 601

Audio #1
ID                                       : 258 (0x102)
Menu ID                                  : 1 (0x1)
Format                                   : MPEG Audio
Format version                           : Version 1
Format profile                           : Layer 2
Mode                                     : Joint stereo
Mode extension                           : Intensity Stereo + MS Stereo
Codec ID                                 : 3
Duration                                 : 8mn 31s
Bit rate mode                            : Constant
Bit rate                                 : 192 Kbps
Channel(s)                               : 2 channels
Sampling rate                            : 48.0 KHz
Compression mode                         : Lossy
Stream size                              : 11.7 MiB (1%)

Audio #2
ID                                       : 1002 (0x3EA)
Menu ID                                  : 3 (0x3)
Format                                   : MPEG Audio
Format version                           : Version 1
Format profile                           : Layer 2
Codec ID                                 : 3
Duration                                 : 8mn 31s
Bit rate mode                            : Constant
Bit rate                                 : 192 Kbps
Channel(s)                               : 2 channels
Sampling rate                            : 48.0 KHz
Compression mode                         : Lossy
Delay relative to video                  : 7s 978ms
Stream size                              : 11.7 MiB (1%)

Menu #1
ID                                       : 257 (0x101)
Menu ID                                  : 1 (0x1)
Duration                                 : 8mn 31s
List                                     : 256 (0x100) (AVC) / 258 (0x102) (MPEG Audio)
Service name                             : vv
Service type                             : digital television

Menu #2
ID                                       : 1000 (0x3E8)
Menu ID                                  : 3 (0x3)
Duration                                 : 8mn 31s
List                                     : 1001 (0x3E9) (AVC) / 1002 (0x3EA) (MPEG Audio)
Service name                             : Lenni
Service type                             : digital television