[FFmpeg-user] [dshow @ 045e0060] Could not enumerate video devices.

James Darnley james.darnley at gmail.com
Wed Mar 12 20:22:45 CET 2014


> On 2014-03-12 13:41, Seema Singh wrote:> Hi  James,
>> 
>> Thanks for your reply.
>> 
>> Output file[metadat.txt] size is 186 bytes. Input file size is around 5MB.
>> If you see the command result first ffmpeg displays the metedata info of
>> input file.
>> 
>> _______________________________________________________
>> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
>> '../TestFiles/Mimic__H264_15fps_D1.MP4':
>>   Metadata:
>>     major_brand     : mp42
>>     minor_version   : 1
>>     compatible_brands: isomiso2avc1mp41mp423gp5
>>     creation_time   : 2010-04-28 10:39:08
>>     title           : Mimic_mp4-92_amr-12.3gp.MP4.MP4
>>     artist          : created with SUPER(C).v2010.bld.37
>>     encoder         : eRightSoft
>>     comment         : 16:09:25
>>   Duration: 00:00:40.07, start: 0.000000, bitrate: 1249 kb/s
>>     Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 /
>> 0x31637661), yuv420p, 720x480 [SAR 1:1 DAR 3:2], 1248 kb/s, 15 fps, 15
>> tbr, 15 tbn, 30 tbc (default)
>>     Metadata:
>>       creation_time   : 2010-04-28 10:39:08
>>       handler_name    : VideoHandler
>>     Stream #0:1(und): Data: none (mp4s / 0x7334706D), 0 kb/s (default)
>>     Metadata:
>>       creation_time   : 2010-04-27 10:39:21
>>       handler_name    : GPAC MPEG-4 OD Handler
>>     Stream #0:2(und): Data: none (mp4s / 0x7334706D), 0 kb/s (default)
>>     Metadata:
>>       creation_time   : 2010-04-27 10:39:21
>>       handler_name    : GPAC MPEG-4 BIFS Handler
>> __________________________________________________________________________
>> 
>> 
>> Output file has only has below information stored:
>> ___________________________________
>> *ffmpeg$ cat metadata.txt *
>> 
>> ;FFMETADATA1
>> major_brand=mp42
>> minor_version=1
>> compatible_brands=isomiso2avc1mp41mp423gp5
>> comment=16:09:25
>> title=Mimic_mp4-92_amr-12.3gp.MP4.MP4
>> artist=created with SUPER(C).v2010.bld.37
>> ___________________________________________

1 - Keep your replies on the list.
2 - Do not top post.
3 - What else do you want in the output file?

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