On Tue, May 1, 2012 at 11:19 AM, Mark Knecht <markkne...@gmail.com> wrote:
> On Tue, May 1, 2012 at 10:56 AM, Michael Orlitzky <mich...@orlitzky.com>
> wrote:
<SNIP>
>> Can you play the WMV?
>>
>> The "wmv" extension usually indicates an ASF container, and the ASF
>> container can have DRM. I see them every once in a while, and
>> ffmpeg/mplayer have no idea what to do with them.
>>
>
> I Cannot play the files on my Gentoo box using Linux. No player that
> I've tried so far - xine, mplayer, dragon player in KDE - none of them
> play these files. However I can play the files within a Win7 VM on
> this machine which is what I've been doing this morning so far. I sort
> of doubt the DRM restriction on this stuff. The web site asks
> subscribers not to farward these to their friends, etc., and says
> subscribers are on the honor system. They appears to be simple
> recordings of of his screen and audio coming from an inexpensive mic.
> Nothing more.
>
> I just got access to these files today so until this morning I didn't
> even know what format they'd be in.
Expanding a bit I copied one of the files to a test directory to play
with. It seems smplayer will actually play the audio but won't display
video. midentify gives some data. When I look at the ffmpeg info it
seems to me it's also having trouble with the video portion. At least
it seems to understand the audio portion.
I'm guessing the pivot point here is the video format code:
ID_VIDEO_FORMAT=MSS2
Cheers,
Mark
mark@c2stable ~/WMV-Test $ midentify Test1.wmv
ID_AUDIO_ID=1
ID_VIDEO_ID=2
ID_FILENAME=Test1.wmv
ID_DEMUXER=asf
ID_VIDEO_FORMAT=MSS2
ID_VIDEO_BITRATE=4971000
ID_VIDEO_WIDTH=1366
ID_VIDEO_HEIGHT=740
ID_VIDEO_FPS=1000.000
ID_VIDEO_ASPECT=0.0000
ID_AUDIO_FORMAT=353
ID_AUDIO_BITRATE=0
ID_AUDIO_RATE=0
ID_AUDIO_NCH=0
ID_START_TIME=5.00
ID_LENGTH=9130.09
ID_SEEKABLE=1
ID_CHAPTERS=0
ID_AUDIO_BITRATE=20008
ID_AUDIO_RATE=44100
ID_AUDIO_NCH=1
ID_AUDIO_CODEC=ffwmav2
ID_EXIT=EOF
mark@c2stable ~/WMV-Test $
mark@c2stable ~/WMV-Test $ ffmpeg -i Test1.wmv
ffmpeg version 0.10.2 Copyright (c) 2000-2012 the FFmpeg developers
built on Apr 27 2012 16:07:57 with gcc 4.5.3
configuration: --prefix=/usr --libdir=/usr/lib64
--shlibdir=/usr/lib64 --mandir=/usr/share/man --enable-shared
--cc=x86_64-pc-linux-gnu-gcc --cxx=x86_64-pc-linux-gnu-g++
--ar=x86_64-pc-linux-gnu-ar --optflags='-O2 -march=native -pipe'
--extra-cflags='-O2 -march=native -pipe' --extra-cxxflags='-O2
-march=native -pipe' --disable-static --enable-gpl --enable-version3
--enable-postproc --enable-avfilter --disable-stripping
--disable-debug --disable-doc --disable-network --disable-vaapi
--disable-vdpau --enable-libmp3lame --enable-libvo-aacenc
--enable-libvorbis --enable-libx264 --enable-libxvid
--disable-indev=v4l --disable-indev=v4l2 --disable-indev=oss
--disable-indev=jack --enable-x11grab --disable-outdev=oss
--enable-libfreetype --enable-libopenjpeg --disable-amd3dnow
--disable-amd3dnowext --disable-altivec --disable-avx --disable-mmx2
--disable-vis --disable-neon --cpu=host --enable-hardcoded-tables
libavutil 51. 35.100 / 51. 35.100
libavcodec 53. 61.100 / 53. 61.100
libavformat 53. 32.100 / 53. 32.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 61.100 / 2. 61.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 6.100 / 0. 6.100
libpostproc 52. 0.100 / 52. 0.100
[asf @ 0x626320] max_analyze_duration 5000000 reached at 5200000
[asf @ 0x626320] decoding for stream 1 failed
[asf @ 0x626320] Could not find codec parameters (Video: none (MSS2 /
0x3253534D), 1366x740, 4971 kb/s)
Input #0, asf, from 'Test1.wmv':
Metadata:
WMFSDKVersion : 12.0.7601.17514
WMFSDKNeeded : 0.0.0.0000
IsVBR : 0
Duration: 02:32:10.26, start: 0.000000, bitrate: 42 kb/s
Stream #0:0(eng): Audio: wmav2 (a[1][0][0] / 0x0161), 44100 Hz, 1
channels, s16, 20 kb/s
Stream #0:1(eng): Video: none (MSS2 / 0x3253534D), 1366x740, 4971
kb/s, 1k tbr, 1k tbn, 1k tbc
At least one output file must be specified
mark@c2stable ~/WMV-Test $
