Ubuntu中文论坛

发表于： **2010-02-22 16:42**

smplayer,video output : vdpau

but,what's ffmpeg12vdpau?

as fat as i know,MPEG don't have standard mpeg12

so...what's ffmpeg12?

发表于： **2010-02-22 18:31**

FFmpeg MPEG-1/2(VDPAU)？

发表于： **2010-02-22 18:35**

bodhi 写了：FFmpeg MPEG-1/2(VDPAU)？

identify,it is mpeg2,but mplayer use ffmpeg12vdpau to decode video stream

because it is a m2ts file,so video stream usually is encode by mpeg2 ,not h264

发表于： **2010-02-22 18:52**

你那儿 wind 下 drcom 客户端是什么版本?

发表于： **2010-02-22 18:57**

delectate 写了：
bodhi 写了：FFmpeg MPEG-1/2(VDPAU)？
identify,it is mpeg2,but mplayer use ffmpeg12vdpau to decode video stream

because it is a m2ts file,so video stream usually is encode by mpeg2 ,not h264

"m2ts" is a kind of container like mkv/avi/ts/tp and so on which can also package H.264/VC-1 video stream inside itself.

发表于： **2010-02-22 19:10**

Freesnake 写了：
delectate 写了：
bodhi 写了：FFmpeg MPEG-1/2(VDPAU)？
identify,it is mpeg2,but mplayer use ffmpeg12vdpau to decode video stream

because it is a m2ts file,so video stream usually is encode by mpeg2 ,not h264
"m2ts" is a kind of container like mkv/avi/ts/tp and so on which can also package H.264/VC-1 video stream inside itself.

you're right

but this m2ts file i download is mpeg2

i recheck it by mediainfo,i am right

it's mpeg2

but,why it called ffmpeg12vdpau?

发表于： **2010-02-22 19:16**

delectate 写了：
Freesnake 写了：
delectate 写了：
bodhi 写了：FFmpeg MPEG-1/2(VDPAU)？
identify,it is mpeg2,but mplayer use ffmpeg12vdpau to decode video stream

because it is a m2ts file,so video stream usually is encode by mpeg2 ,not h264
"m2ts" is a kind of container like mkv/avi/ts/tp and so on which can also package H.264/VC-1 video stream inside itself.
you're right

but this m2ts file i download is mpeg2

i recheck it by mediainfo,i am right

it's mpeg2

but,why it called ffmpeg12vdpau?

Ask ffmpeg development team directly by mailing list or IRC.

发表于： **2010-02-22 19:17**

Freesnake 写了：
delectate 写了：
Freesnake 写了：
delectate 写了：
bodhi 写了：FFmpeg MPEG-1/2(VDPAU)？
identify,it is mpeg2,but mplayer use ffmpeg12vdpau to decode video stream

because it is a m2ts file,so video stream usually is encode by mpeg2 ,not h264
"m2ts" is a kind of container like mkv/avi/ts/tp and so on which can also package H.264/VC-1 video stream inside itself.
you're right

but this m2ts file i download is mpeg2

i recheck it by mediainfo,i am right

it's mpeg2

but,why it called ffmpeg12vdpau?
Ask ffmpeg development team directly by mailing list or IRC.

sigh

my fault

delectate@delectate-laptop:~$ ffmpeg -codecs | grep vdpau
FFmpeg version SVN-r20925, Copyright (c) 2000-2009 Fabrice Bellard, et al.
built on Dec 27 2009 13:49:46 with gcc 4.4.1
configuration:
libavutil 50. 7. 0 / 50. 7. 0
libavcodec 52.45. 0 / 52.45. 0
libavformat 52.44. 0 / 52.44. 0
libavdevice 52. 2. 0 / 52. 2. 0
libswscale 0. 7. 2 / 0. 7. 2
D V D h264_vdpau H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration)
D V DT mpeg1video_vdpau MPEG-1 video (VDPAU acceleration)
D V DT mpeg4_vdpau MPEG-4 part 2 (VDPAU)
D V DT mpegvideo_vdpau MPEG-1/2 video (VDPAU acceleration)
D V D vc1_vdpau SMPTE VC-1 VDPAU
D V D wmv3_vdpau Windows Media Video 9 VDPAU
delectate@delectate-laptop:~$ exit

发表于： **2010-02-22 19:32**

delectate 写了：
Freesnake 写了：
delectate 写了：
Freesnake 写了：
delectate 写了：
bodhi 写了：FFmpeg MPEG-1/2(VDPAU)？
identify,it is mpeg2,but mplayer use ffmpeg12vdpau to decode video stream

because it is a m2ts file,so video stream usually is encode by mpeg2 ,not h264
"m2ts" is a kind of container like mkv/avi/ts/tp and so on which can also package H.264/VC-1 video stream inside itself.
you're right

but this m2ts file i download is mpeg2

i recheck it by mediainfo,i am right

it's mpeg2

but,why it called ffmpeg12vdpau?
Ask ffmpeg development team directly by mailing list or IRC.
sigh

my fault

delectate@delectate-laptop:~$ ffmpeg -codecs | grep vdpau
FFmpeg version SVN-r20925, Copyright (c) 2000-2009 Fabrice Bellard, et al.
built on Dec 27 2009 13:49:46 with gcc 4.4.1
configuration:
libavutil 50. 7. 0 / 50. 7. 0
libavcodec 52.45. 0 / 52.45. 0
libavformat 52.44. 0 / 52.44. 0
libavdevice 52. 2. 0 / 52. 2. 0
libswscale 0. 7. 2 / 0. 7. 2
D V D h264_vdpau H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration)
D V DT mpeg1video_vdpau MPEG-1 video (VDPAU acceleration)
D V DT mpeg4_vdpau MPEG-4 part 2 (VDPAU)
D V DT mpegvideo_vdpau MPEG-1/2 video (VDPAU acceleration)
D V D vc1_vdpau SMPTE VC-1 VDPAU
D V D wmv3_vdpau Windows Media Video 9 VDPAU
delectate@delectate-laptop:~$ exit

I don't think mpeg1 need hardware acceleration. It's mainly used in VCD which can be decoded very well even by a Pentium3 processor.

And then, most of modern NV cards support mpeg1 acceleration in a bad way - don't support VLD-level hardware acceleration. That might lead many errors when decoding.

发表于： **2010-02-22 19:38**

Freesnake 写了：
delectate 写了：
Freesnake 写了：
delectate 写了：
Freesnake 写了：
delectate 写了：
bodhi 写了：FFmpeg MPEG-1/2(VDPAU)？
identify,it is mpeg2,but mplayer use ffmpeg12vdpau to decode video stream

because it is a m2ts file,so video stream usually is encode by mpeg2 ,not h264
"m2ts" is a kind of container like mkv/avi/ts/tp and so on which can also package H.264/VC-1 video stream inside itself.
you're right

but this m2ts file i download is mpeg2

i recheck it by mediainfo,i am right

it's mpeg2

but,why it called ffmpeg12vdpau?
Ask ffmpeg development team directly by mailing list or IRC.
sigh

my fault

delectate@delectate-laptop:~$ ffmpeg -codecs | grep vdpau
FFmpeg version SVN-r20925, Copyright (c) 2000-2009 Fabrice Bellard, et al.
built on Dec 27 2009 13:49:46 with gcc 4.4.1
configuration:
libavutil 50. 7. 0 / 50. 7. 0
libavcodec 52.45. 0 / 52.45. 0
libavformat 52.44. 0 / 52.44. 0
libavdevice 52. 2. 0 / 52. 2. 0
libswscale 0. 7. 2 / 0. 7. 2
D V D h264_vdpau H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration)
D V DT mpeg1video_vdpau MPEG-1 video (VDPAU acceleration)
D V DT mpeg4_vdpau MPEG-4 part 2 (VDPAU)
D V DT mpegvideo_vdpau MPEG-1/2 video (VDPAU acceleration)
D V D vc1_vdpau SMPTE VC-1 VDPAU
D V D wmv3_vdpau Windows Media Video 9 VDPAU
delectate@delectate-laptop:~$ exit
I don't think mpeg1 need hardware acceleration. It's mainly used in VCD which can be decoded very well even by a Pentium3 processor.

i think so

maybe decode mpeg1 and mpeg2 use the same way?

so they named it ffmpeg12vdpau

发表于： **2010-02-22 19:40**

满屏的英文

发表于： **2010-02-22 19:55**

JiangHui 写了：满屏的英文

English is very important for any IT technician because IT technology lies in the hands of Americans.

发表于： **2010-02-22 21:32**

My Card...only IDCT is supported

D V DT mpeg1video_vdpau MPEG-1 video (VDPAU acceleration)
D V DT mpegvideo_vdpau MPEG-1/2 video (VDPAU acceleration)

MPEG1&2 encoding method are similar, but requires different FPS&resolution.

When decoding, they think these two are similar.= =

发表于： **2010-02-23 11:40**

zhu527812567 写了：My Card...only IDCT is supported

D V DT mpeg1video_vdpau MPEG-1 video (VDPAU acceleration)
D V DT mpegvideo_vdpau MPEG-1/2 video (VDPAU acceleration)

MPEG1&2 encoding method are similar, but requires different FPS&resolution.

When decoding, they think these two are similar.= =

What's your card?

发表于： **2010-02-23 16:33**

Freesnake 写了：
zhu527812567 写了：My Card...only IDCT is supported

D V DT mpeg1video_vdpau MPEG-1 video (VDPAU acceleration)
D V DT mpegvideo_vdpau MPEG-1/2 video (VDPAU acceleration)

MPEG1&2 encoding method are similar, but requires different FPS&resolution.

When decoding, they think these two are similar.= =
What's your card?

My ATI HD card only support MPEG12 IDCT...No VLD
but the IDCT can not give the processor any pressure..

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