我从来没见过这方面的资料,也不清楚应该去哪里找这些资料
只好求助……
PS:发此贴也是想了解下
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Edit1:
原标题:请教下CUDA解码支持需要限制哪些编码参数?
Edit2:
遇到用相同显卡不同DXVA硬解不一的情况,于是改下标题好继续讨论
唯一的限制貌似还跟显卡SP有关(早先16SP和8SP的N卡(基于G86核心的貌似)貌似CUDA问题不少,卡啊,不同步啊啥的),从95GT(86GT)往后,驱动到了2xx以后CUDA貌似就没啥问题了。upyzl 写了:难怪没什么资料可言
这样只需考虑DXVA兼容即可了
嗯-o-o-304-o-o- 写了: 唯一的限制貌似还跟显卡SP有关(早先16SP和8SP的N卡(基于G86核心的貌似)貌似CUDA问题不少,卡啊,不同步啊啥的),从95GT(86GT)往后,驱动到了2xx以后CUDA貌似就没啥问题了。
同为Mobility HD2400,我的系统是win7,DXVA 720p没问题,1080p播放各种卡卡,但不会影响到系统。而以前用win xp的时候,DXVA各种没问题。可惜为了win7娘的原生ipv6拨号,不得不放弃xpupyzl 写了: 嗯
GPU太烂基本也就是单纯提供直接显示功能罢了
就像我用Mobility HD2400开DXVA会明显拖慢速度,已经不是“卡”能形容的了 (当然视频本身是DXVA兼容的),所以不得不关闭硬解
居然看到了村汉大cunhan 写了:同为Mobility HD2400,我的系统是win7,DXVA 720p没问题,1080p播放各种卡卡,但不会影响到系统。而以前用win xp的时候,DXVA各种没问题。可惜为了win7娘的原生ipv6拨号,不得不放弃xp
代码: 全选
Media Type 0:
--------------------------
Video: DXVA 1280x720 23.98fps
AM_MEDIA_TYPE:
majortype: MEDIATYPE_Video {73646976-0000-0010-8000-00AA00389B71}
subtype: Unknown GUID Name {1B81BE68-A0C7-11D3-B984-00C04F2E73C5}
formattype: FORMAT_VideoInfo2 {F72A76A0-EB0A-11D0-ACE4-0000C0CC16BA}
bFixedSizeSamples: 1
bTemporalCompression: 0
lSampleSize: 1382400
cbFormat: 112
VIDEOINFOHEADER:
rcSource: (0,0)-(1280,720)
rcTarget: (0,0)-(1280,720)
dwBitRate: 0
dwBitErrorRate: 0
AvgTimePerFrame: 417083
VIDEOINFOHEADER2:
dwInterlaceFlags: 0x00000081
dwCopyProtectFlags: 0x00000000
dwPictAspectRatioX: 16
dwPictAspectRatioY: 9
dwControlFlags: 0x00000000
dwReserved2: 0x00000000
BITMAPINFOHEADER:
biSize: 40
biWidth: 1280
biHeight: 720
biPlanes: 1
biBitCount: 12
biCompression: dxva
biSizeImage: 1382400
biXPelsPerMeter: 0
biYPelsPerMeter: 0
biClrUsed: 0
biClrImportant: 0
pbFormat:
0000: 00 00 00 00 00 00 00 00 00 05 00 00 d0 02 00 00 ............?...
0010: 00 00 00 00 00 00 00 00 00 05 00 00 d0 02 00 00 ............?...
0020: 00 00 00 00 00 00 00 00 3b 5d 06 00 00 00 00 00 ........;]......
0030: 81 00 00 00 00 00 00 00 10 00 00 00 09 00 00 00 ?...............
0040: 00 00 00 00 00 00 00 00 28 00 00 00 00 05 00 00 ........(.......
0050: d0 02 00 00 01 00 0c 00 64 78 76 61 00 18 15 00 ?.......dxva....
0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................