我发现了一些视频,使用QUEST2自带的播放器能流畅播放,但是SKYBOX播放非常卡。不知道是不是解码器的原因。下面是3部不能流畅播放的视频的一些信息:
`General
Complete name : F:\quest\bad1.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom (isom/iso2/mp41)
File size : 9.70 GiB
Duration : 34 min 23 s
Overall bit rate : 40.4 Mb/s
Tagged date : UTC 2021-11-22 04:26:04
Writing application : Voukoder (Adobe Premiere)
TIM : 00:00:00:00
TSC : 60000
TSZ : 1001
Video
ID : 1
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L6.1@Main
Codec ID : hev1
Codec ID/Info : High Efficiency Video Coding
Duration : 34 min 23 s
Bit rate : 40.0 Mb/s
Width : 7 260 pixels
Height : 3 630 pixels
Display aspect ratio : 2.000
Frame rate mode : Constant
Frame rate : 59.940 (60000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 10 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.025
Stream size : 9.60 GiB (99%)
Codec configuration box : hvcC
Audio
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 34 min 23 s
Bit rate mode : Constant
Bit rate : 384 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 95.0 MiB (1%)
Default : Yes
Alternate group : 1
General
Complete name : F:\quest\bad2.mp4
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42 (mp42/mp41)
File size : 11.7 GiB
Duration : 41 min 21 s
Overall bit rate mode : Variable
Overall bit rate : 40.3 Mb/s
Encoded date : UTC 2021-03-31 09:30:38
Tagged date : UTC 2021-03-31 09:32:58
TIM : 00;00;00;00
TSC : 60000
TSZ : 1001
Video
ID : 1
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L6.1@Main
Codec ID : hvc1
Codec ID/Info : High Efficiency Video Coding
Duration : 41 min 21 s
Bit rate : 40.0 Mb/s
Width : 7 168 pixels
Height : 3 584 pixels
Display aspect ratio : 2.000
Frame rate mode : Constant
Frame rate : 59.940 (60000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.026
Stream size : 11.6 GiB (99%)
Language : English
Encoded date : UTC 2021-03-31 09:30:38
Tagged date : UTC 2021-03-31 09:30:38
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Codec configuration box : hvcC
Audio
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 41 min 21 s
Source duration : 41 min 21 s
Bit rate mode : Variable
Bit rate : 317 kb/s
Maximum bit rate : 415 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 93.9 MiB (1%)
Source stream size : 93.9 MiB (1%)
Language : English
Encoded date : UTC 2021-03-31 09:30:38
Tagged date : UTC 2021-03-31 09:30:38
General
Complete name : F:\quest\bad3.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom (isom/iso2/mp41)
File size : 12.5 GiB
Duration : 44 min 17 s
Overall bit rate : 40.3 Mb/s
Writing application : Lavf58.63.100
Video
ID : 1
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L6.1@Main
Codec ID : hvc1
Codec ID/Info : High Efficiency Video Coding
Duration : 44 min 17 s
Bit rate : 40.0 Mb/s
Width : 7 168 pixels
Height : 3 584 pixels
Display aspect ratio : 2.000
Frame rate mode : Constant
Frame rate : 59.940 (60000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.026
Stream size : 12.4 GiB (99%)
Language : English
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Codec configuration box : hvcC
Audio
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 44 min 17 s
Bit rate mode : Constant
Bit rate : 317 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 101 MiB (1%)
Language : English
Default : Yes
Alternate group : 1
`