[FFserver-user] not able to replay video from .ffm recorded earlier

Yogesh Tyagi yogesh.bit2006 at gmail.com
Tue Sep 11 21:30:10 CEST 2012


On Fri, Sep 7, 2012 at 12:05 PM, Yogesh Tyagi <yogesh.bit2006 at gmail.com> wrote:
> On Fri, Sep 7, 2012 at 11:45 AM, nandan amar <nandan.amar at gmail.com> wrote:
>> for following specification
>>
>>  VideoBitRate 800k
>>     VideoFrameRate 100
>>     VideoSize 640x480
>>
>> 150 MB is also less.
>> Size should also depend on the video duration.
>>
>>
>>
>> On Fri, Sep 7, 2012 at 11:17 AM, Yogesh Tyagi <yogesh.bit2006 at gmail.com>
>> wrote:
>>>
>>> On Fri, Sep 7, 2012 at 9:01 AM, Robert Steckroth
>>> <robertsteckroth at gmail.com> wrote:
>>> > FileMaxSize 15M <-- 15 Megabytes is very small.
>>> >
>>> > On Thu, Sep 6, 2012 at 10:35 PM, Yogesh Tyagi <yogesh.bit2006 at gmail.com>
>>> > wrote:
>>> >> On Fri, Sep 7, 2012 at 4:17 AM, Robert Steckroth
>>> >> <robertsteckroth at gmail.com> wrote:
>>> >>> Also, I believe there is a file size limit in the conf which will need
>>> >>> to be set high. Than you will need to rotate
>>> >>> the recorded file. If you do not copy and empty the file, it will
>>> >>> become corrupted. Keep in mind, if you
>>> >>> simply empty the file e.g. cat > temp.ts, than you need to restart the
>>> >>> ffserver to insert the proper
>>> >>> headers.
>>> >>>
>>> >>>
>>> >>> On Thu, Sep 6, 2012 at 4:54 PM, Anthony Brown <av at bsbc.nb.ca> wrote:
>>> >>>> On 12-09-06 04:12 PM, Yogesh Tyagi wrote:
>>> >>>>
>>> >>>>> so one feed can have one video or multiple videos?can I fed same
>>> >>>>> feed
>>> >>>>> through an instance of ffmpeg multiple times(if I do this the size
>>> >>>>> of
>>> >>>>> feed keeps increasing.is the feed storing duplicate videos)? In this
>>> >>>>> case what will happen to the data previously fed to the feed?
>>> >>>>> The problem I am facing is that sometimes my client(say ffplay)
>>> >>>>> plays
>>> >>>>> the file from start that was fed through ffmpeg.sometimes it does
>>> >>>>> not.
>>> >>>>
>>> >>>>
>>> >>>> You need to differentiate between a 'feed' and a 'stream'.  Feeds are
>>> >>>> inputs
>>> >>>> to the server.  Each feed can be converted into multiple 'stream'
>>> >>>> formats
>>> >>>> that can be output.  All of which are stored in a single ffm file.  A
>>> >>>> feed
>>> >>>> is 'fed' to ffserver by an instance of ffmpeg.  Each 'video', which I
>>> >>>> take
>>> >>>> to mean a separate feed is stored in a separate .ffm file.  All as
>>> >>>> specified
>>> >>>> in your .conf file.
>>> >>>>
>>> >>>> Each 'video' requires a separate ffmpeg to 'feed' it to ffserver, and
>>> >>>> a
>>> >>>> separate ffm file to store it.
>>> >>>>
>>> >>>>
>>> >>>>> If i repeat the operation of feeding the feed through ffmpeg and
>>> >>>>> accessing the file through a client then ffserver starts giving me
>>> >>>>> following error:
>>> >>>>>
>>> >>>>> Application provided invalid, non monotonically increasing dts to
>>> >>>>> muxer in stream 0(or 1)
>>> >>>>> Error writing frame to output
>>> >>>>
>>> >>>>
>>> >>>> Not sure what that means.
>>> >>>>
>>> >>>>
>>> >>>>> Is there any way through which I can find out what has been stored
>>> >>>>> in the
>>> >>>>> feed?
>>> >>>>
>>> >>>>
>>> >>>> yes, do an ffmpeg -i whatever.ffm and it will list the goodies
>>> >>>> inside.
>>> >>>> Alternatively, connect to the ffserver status page
>>> >>>> (http://whatever.your.server.address.is:8090/stat.html) and see what
>>> >>>> is
>>> >>>> there.
>>> >>>>
>>> >>>> It would be easier to help if we knew what it was you were trying to
>>> >>>> accomplish and exactly what you have tried (contents of
>>> >>>> ffserver.conf,
>>> >>>> ffmpeg command line and output, client output etc.)
>>> >>>>
>>> >>>>
>>> >>>> A
>>> >>>> --
>>> >>>>
>>> >>>>
>>> >>>> Anthony Brown
>>> >>>> Audiovisual coordinator
>>> >>>> Brunswick Street Baptist Church
>>> >>>> Telephone: (506)-458-8348 (leave message)
>>> >>>> Email:     av at bsbc.nb.ca
>>> >>>>
>>> >>>> _______________________________________________
>>> >>>> ffserver-user mailing list
>>> >>>> ffserver-user at ffmpeg.org
>>> >>>> http://ffmpeg.org/mailman/listinfo/ffserver-user
>>> >>>>
>>> >>>
>>> >>>
>>> >>>
>>> >>> --
>>> >>> Bust0ut, Surgemcgee: Systems Engineer ---
>>> >>> surgemcgee.com
>>> >>> BudTVNetwork.com
>>> >>> RadioWeedShow.com
>>> >>> "Bringing entertainment to Unix"
>>> >>> _______________________________________________
>>> >>> ffserver-user mailing list
>>> >>> ffserver-user at ffmpeg.org
>>> >>> http://ffmpeg.org/mailman/listinfo/ffserver-user
>>> >>
>>> >> my  ffserver.conf file is as follows:
>>> >>
>>> >> Port 8091
>>> >> BindAddress 0.0.0.0
>>> >> MaxHTTPConnections 2000
>>> >> MaxClients 100
>>> >> MaxBandwidth 1000000
>>> >> CustomLog -
>>> >> NoDaemon
>>> >>
>>> >> <Feed feed1.ffm>
>>> >>  File /tmp/feed1.ffm
>>> >>  FileMaxSize 15M
>>> >>  ACL allow 127.0.0.1
>>> >> </Feed>
>>> >>
>>> >> <Stream test.ts>
>>> >>
>>> >>     Feed feed1.ffm
>>> >>     Format mpegts
>>> >>
>>> >>     AudioCodec mp2
>>> >>     AudioBitRate 128k
>>> >>     AudioChannels 2
>>> >>     AudioSampleRate 48000
>>> >>     AVOptionAudio flags +global_header
>>> >>
>>> >>     VideoCodec libx264
>>> >>     VideoBitRate 800k
>>> >>     VideoFrameRate 100
>>> >>     VideoSize 640x480
>>> >>     AVOptionVideo coder 0
>>> >>     AVOptionVideo bf 0
>>> >>     AVOptionVideo flags2 +mixed_refs+fastpskip
>>> >>     AVOptionVideo flags +loop
>>> >>     AVOptionVideo cmp +chroma
>>> >>     AVOptionVideo partitions +parti8x8+parti4x4+partp8x8+partb8x8
>>> >>     AVOptionVideo me_method hex
>>> >>     AVOptionVideo subq 7
>>> >>     AVOptionVideo me_range 16
>>> >>     AVOptionVideo g 250
>>> >>     AVOptionVideo keyint_min 10
>>> >>     AVOptionVideo sc_threshold 40
>>> >>     AVOptionVideo i_qfactor 0.71
>>> >>     AVOptionVideo b_strategy 1
>>> >>     AVOptionVideo qcomp 0.6
>>> >>     AVOptionVideo qmin 10
>>> >>     AVOptionVideo qmax 51
>>> >>     AVOptionVideo qdiff 4
>>> >>     AVOptionVideo refs 3
>>> >>     AVOptionVideo directpred 1
>>> >>     AVOptionVideo trellis 1
>>> >>     AVOptionVideo flags2 +mixed_refs+fastpskip
>>> >>     AVOptionVideo wpredp 0
>>> >>     AVOptionVideo flags +global_header
>>> >>     AVOptionVideo bsf h264_mp4toannexb
>>> >>
>>> >>     VideoGopSize 12
>>> >>
>>> >>     Preroll 15
>>> >>     StartSendOnKey
>>> >> </Stream>
>>> >>
>>> >> <Stream stat.html>
>>> >>  Format status
>>> >>  ACL allow 127.0.0.1
>>> >>  ACL allow 192.168.1.27
>>> >> </Stream>
>>> >>
>>> >> <Redirect index.html>
>>> >>  URL stat.html
>>> >> </Redirect>
>>> >>
>>> >>
>>> >> when I play test.ts from a client do I need  'fed' the feed to
>>> >> ffserver by an instance of ffmpeg simultaneously or can i fed the feed
>>> >> now and play the file temp.ts later.
>>> >> I have tried this exercise. sometimes the client plays the file
>>> >> test.ts,sometimes it does not.
>>> >>
>>> >> One more question I want to ask is suppose I started feeding the feed
>>> >> now and I start the client some time later.will the client be able to
>>> >> play the file test.ts from start?
>>> >>
>>> >> If I fed the feed to ffserver by an instance of ffmpeg muliple times
>>> >> and try to play test.ts from client I start getting following errors:
>>> >>
>>> >>
>>> >>
>>> >> Following is the command line output:
>>> >>
>>> >> # ffserver -f /etc/ffserver.conf &
>>> >> [1] 30433
>>> >> yogesh at yogesh-desktop:~/Desktop$ ffserver version 0.9, Copyright (c)
>>> >> 2000-2011 the FFmpeg developers
>>> >>   built on Aug 23 2012 13:35:01 with gcc 4.4.5
>>> >>   configuration: --enable-libx264 --enable-gpl
>>> >>   libavutil    51. 32. 0 / 51. 32. 0
>>> >>   libavcodec   53. 42. 0 / 53. 42. 0
>>> >>   libavformat  53. 24. 0 / 53. 24. 0
>>> >>   libavdevice  53.  4. 0 / 53.  4. 0
>>> >>   libavfilter   2. 53. 0 /  2. 53. 0
>>> >>   libswscale    2.  1. 0 /  2.  1. 0
>>> >>   libpostproc  51.  2. 0 / 51.  2. 0
>>> >> Thu Sep  6 20:54:40 2012 FFserver started.
>>> >> Thu Sep  6 20:54:50 2012 127.0.0.1 - - [GET] "/feed1.ffm HTTP/1.1" 200
>>> >> 4149
>>> >> Thu Sep  6 20:54:53 2012 muxrate VBR, pcr every 2 pkts, sdt every 200,
>>> >> pat/pmt every 40 pkts
>>> >> Thu Sep  6 20:54:57 2012 muxrate VBR, pcr every 2 pkts, sdt every 200,
>>> >> pat/pmt every 40 pkts
>>> >> Thu Sep  6 20:55:09 2012 127.0.0.1 - - [POST] "/feed1.ffm HTTP/1.1" 200
>>> >> 3739648
>>> >> Thu Sep  6 20:55:09 2012 192.168.1.27 - - [GET] "/test.ts HTTP/1.0" 200
>>> >> 2683391
>>> >> Thu Sep  6 20:55:09 2012 192.168.1.27 - - [GET] "/test.ts HTTP/1.0" 200
>>> >> 3385007
>>> >> Thu Sep  6 20:55:25 2012 muxrate VBR, pcr every 2 pkts, sdt every 200,
>>> >> pat/pmt every 40 pkts
>>> >> Thu Sep  6 20:55:28 2012 muxrate VBR, pcr every 2 pkts, sdt every 200,
>>> >> pat/pmt every 40 pkts
>>> >> Thu Sep  6 20:55:32 2012 127.0.0.1 - - [GET] "/feed1.ffm HTTP/1.1" 200
>>> >> 4149
>>> >> Thu Sep  6 20:55:33 2012 Application provided invalid, non
>>> >> monotonically increasing dts to muxer in stream 1: 2732730 >= 0
>>> >> Thu Sep  6 20:55:33 2012 Error writing frame to output
>>> >> Thu Sep  6 20:55:33 2012 Application provided invalid, non
>>> >> monotonically increasing dts to muxer in stream 1: 2732730 >= 3003
>>> >> Thu Sep  6 20:55:33 2012 Error writing frame to output
>>> >> Thu Sep  6 20:55:33 2012 Application provided invalid, non
>>> >> monotonically increasing dts to muxer in stream 1: 2732730 >= 6006
>>> >> Thu Sep  6 20:55:33 2012 Error writing frame to output
>>> >> Thu Sep  6 20:55:33 2012 Application provided invalid, non
>>> >> monotonically increasing dts to muxer in stream 1: 2732730 >= 9009
>>> >> Thu Sep  6 20:55:33 2012 Error writing frame to output
>>> >> Thu Sep  6 20:55:33 2012 Application provided invalid, non
>>> >> monotonically increasing dts to muxer in stream 1: 2732730 >= 0
>>> >> Thu Sep  6 20:55:33 2012 Error writing frame to output
>>> >> Thu Sep  6 20:55:33 2012 Application provided invalid, non
>>> >> monotonically increasing dts to muxer in stream 1: 2732730 >= 3003
>>> >> Thu Sep  6 20:55:33 2012 Error writing frame to output
>>> >> Thu Sep  6 20:55:33 2012 Application provided invalid, non
>>> >> monotonically increasing dts to muxer in stream 1: 2732730 >= 6006
>>> >> Thu Sep  6 20:55:33 2012 Error writing frame to output
>>> >> Thu Sep  6 20:55:33 2012 Application provided invalid, non
>>> >> monotonically increasing dts to muxer in stream 1: 2732730 >= 9009
>>> >> Thu Sep  6 20:55:33 2012 Error writing frame to output
>>> >> Thu Sep  6 20:55:33 2012 Application provided invalid, non
>>> >> monotonically increasing dts to muxer in stream 1: 2732730 >= 12012
>>> >> Thu Sep  6 20:55:33 2012 Error writing frame to output
>>> >> Thu Sep  6 20:55:33 2012 Application provided invalid, non
>>> >> monotonically increasing dts to muxer in stream 1: 2732730 >= 15015
>>> >> Thu Sep  6 20:55:33 2012 Error writing frame to output
>>> >> Thu Sep  6 20:55:33 2012 192.168.1.27 - - [GET] "/test.ts HTTP/1.0" 200
>>> >> 4579
>>> >> Thu Sep  6 20:55:33 2012 Application provided invalid, non
>>> >> monotonically increasing dts to muxer in stream 1: 2732730 >= 12012
>>> >> Thu Sep  6 20:55:33 2012 Error writing frame to output
>>> >> Thu Sep  6 20:55:33 2012 Application provided invalid, non
>>> >> monotonically increasing dts to muxer in stream 1: 2732730 >= 15015
>>> >> Thu Sep  6 20:55:33 2012 Error writing frame to output
>>> >> Thu Sep  6 20:55:33 2012 192.168.1.27 - - [GET] "/test.ts HTTP/1.0" 200
>>> >> 4579
>>> >> Thu Sep  6 20:55:52 2012 127.0.0.1 - - [POST] "/feed1.ffm HTTP/1.1" 200
>>> >> 3739648
>>> >>
>>> >>
>>> >> I am feeding by following command:
>>> >>
>>> >> ffmpeg -i Sally_720x480p_2997fps_8Mbps_MP1L2_48_224.ts -vcodec libx264
>>> >> -acodec mp2  -flags -global_header http://127.0.0.1:8091/feed1.ffm
>>> >>
>>> >> Regards,
>>> >> yogesh
>>> >> _______________________________________________
>>> >> ffserver-user mailing list
>>> >> ffserver-user at ffmpeg.org
>>> >> http://ffmpeg.org/mailman/listinfo/ffserver-user
>>> >
>>> >
>>> >
>>> > --
>>> > Bust0ut, Surgemcgee: Systems Engineer ---
>>> > surgemcgee.com
>>> > BudTVNetwork.com
>>> > RadioWeedShow.com
>>> > "Bringing entertainment to Unix"
>>> > _______________________________________________
>>> > ffserver-user mailing list
>>> > ffserver-user at ffmpeg.org
>>> > http://ffmpeg.org/mailman/listinfo/ffserver-user
>>>
>>> I also checked by increasing it to 150 MB.
>>>
>>> Regards,
>>> yogesh
>>> _______________________________________________
>>> ffserver-user mailing list
>>> ffserver-user at ffmpeg.org
>>> http://ffmpeg.org/mailman/listinfo/ffserver-user
>>
>>
>>
>>
>> --
>>
>> Amar Kumar Nandan
>> Karnataka, India, 560100
>> ✉:nandan.amar at gmail.com
>> http://aknandan.co.nr
>>
>> _______________________________________________
>> ffserver-user mailing list
>> ffserver-user at ffmpeg.org
>> http://ffmpeg.org/mailman/listinfo/ffserver-user
>>
>
> Video duration is just 1 or 2 minutes.I changed VideoFrameRate to 15.

media player is playing this streamed file too fast.What could be the
possible reason for this?

Regards,
yogesh


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