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How to do Video seek?

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sm tech

How to do Video seek?

Hi,

I am writing a gstreamer based media player on Nokia N800 and 770. I am unable to get video seek working for AVI files ( divx + mp3, divx + wav) on the media player using gst_element_seek() API. After gst_element_seek() function call the play continues.

On N800, I am using dsppcmsink & dspmpeg4sink.

On 770, I am using dsppcmsink & xvimagesink.

Can anyone please tell, what I am missing?

Thanks,

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sm tech

Re: How to do Video seek?

Hi,

There is a small correction i wanted to convey.

On N800, I used dsppcmsink & xvimagesink.
On 770, I am using dsppcmsink & dspmpeg4sink.

thanks,

----------------------------------------------------------------------------

On 1/7/08, sm tech <[hidden email]> wrote:

Hi,

I am writing a gstreamer based media player on Nokia N800 and 770. I am unable to get video seek working for AVI files ( divx + mp3, divx + wav) on the media player using gst_element_seek() API. After gst_element_seek() function call the play continues.

On N800, I am using dsppcmsink & dspmpeg4sink.

On 770, I am using dsppcmsink & xvimagesink.

Can anyone please tell, what I am missing?

Thanks,

sm

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Stefan Sauer

Re: How to do Video seek?

hi,

please include the full seek command you use.

Stefan

Quoting sm tech <[hidden email]>:

> Hi,
>
> There is a small correction i wanted to convey.
>
> On N800, I used dsppcmsink & *xvimagesink. *
> On 770, I am using dsppcmsink & *dspmpeg4sink. *
>
> thanks,
> sm
>
>
> ----------------------------------------------------------------------------
>
>
>
>
>
>
> On 1/7/08, sm tech <[hidden email]> wrote:
>
>> Hi,
>>
>> I am writing a gstreamer based media player on Nokia N800 and 770. I am
>> unable to get video seek working for AVI files ( divx + mp3, divx + wav) on
>> the media player using gst_element_seek() API. After gst_element_seek()
>> function call the play continues.
>>
>> On N800, I am using dsppcmsink & dspmpeg4sink.
>>
>> On 770, I am using dsppcmsink & xvimagesink.
>>
>> Can anyone please tell, what I am missing?
>>
>> Thanks,
>>
>> sm
>>
>

sm tech

Re: How to do Video seek?

I tried,

    gst_element_seek (pipeline, 1.0, GST_FORMAT_TIME,
                           seekflag,
                           GST_SEEK_TYPE_SET,
                           (gint64) (seek_seconds * GST_SECONDS),
                           GST_SEEK_TYPE_NONE,
                           GST_CLOCK_TIME_NONE))

with seekflag = GST_SEEK_FLAGE_FLUSH and also for GST_SEEK_FLAGE_NONE.

gst_element_seek() returns success. But, gst_element_query_duration( ) gives the same playback time (not seeked time) and playback continues as usual.

On 1/9/08, Stefan Kost <[hidden email]> wrote:

hi,

please include the full seek command you use.

Stefan

Quoting sm tech <[hidden email]>:

> Hi,
>
> There is a small correction i wanted to convey.
>
> On N800, I used dsppcmsink & *xvimagesink. *
> On 770, I am using dsppcmsink & *dspmpeg4sink. *
>
> thanks,
> sm
>
>
> ----------------------------------------------------------------------------
>
>
>
>
>
>
>  On 1/7/08, sm tech <[hidden email]> wrote:
>
>>  Hi,
>>
>>  I am writing a gstreamer based media player on Nokia N800 and 770. I am
>> unable to get video seek working for AVI files ( divx + mp3, divx + wav) on
>> the media player using gst_element_seek() API. After gst_element_seek()
>> function call the play continues.
>>
>>  On N800, I am using dsppcmsink & dspmpeg4sink.
>>
>> On 770, I am using dsppcmsink & xvimagesink.
>>
>>  Can anyone please tell, what I am missing?
>>
>>  Thanks,
>>
>> sm
>>
>

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sm tech

[Errata] Re: How to do Video seek?

Sorry,

I used gst_element_query_position() for current time after seeking.

On 1/9/08, sm tech <[hidden email]> wrote:

I tried,

    gst_element_seek (pipeline, 1.0, GST_FORMAT_TIME,
                           seekflag,
                           GST_SEEK_TYPE_SET,
                           (gint64) (seek_seconds * GST_SECONDS),
                           GST_SEEK_TYPE_NONE,
                           GST_CLOCK_TIME_NONE))

with seekflag = GST_SEEK_FLAGE_FLUSH   and also for GST_SEEK_FLAGE_NONE.

gst_element_seek() returns success. But, gst_element_query_duration( ) gives the same playback time (not seeked time) and playback continues as usual.

On 1/9/08, Stefan Kost <[hidden email]> wrote:
hi,

please include the full seek command you use.

Stefan

Quoting sm tech <[hidden email]>:

> Hi,
>
> There is a small correction i wanted to convey.
>
> On N800, I used dsppcmsink & *xvimagesink. *
> On 770, I am using dsppcmsink & *dspmpeg4sink. *
>
> thanks,
> sm
>
>
> ----------------------------------------------------------------------------
>
>
>
>
>
>
>  On 1/7/08, sm tech <[hidden email]> wrote:
>
>>  Hi,
>>
>>  I am writing a gstreamer based media player on Nokia N800 and 770. I am
>> unable to get video seek working for AVI files ( divx + mp3, divx + wav) on
>> the media player using gst_element_seek() API. After gst_element_seek()
>> function call the play continues.
>>
>>  On N800, I am using dsppcmsink & dspmpeg4sink.
>>
>> On 770, I am using dsppcmsink & xvimagesink.
>>
>>  Can anyone please tell, what I am missing?
>>
>>  Thanks,
>>
>> sm
>>
>

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Stefan Sauer

Re: [Errata] Re: How to do Video seek?

hi,

sm tech schrieb:

> Sorry,
>
> I used gst_element_query_position() for current time after seeking.
>
>
> On 1/9/08, *sm tech* <[hidden email]
> <mailto:[hidden email]>> wrote:
>
>
> I tried,
>
> gst_element_seek (pipeline, 1.0, GST_FORMAT_TIME,
> seekflag,
> GST_SEEK_TYPE_SET,
> (gint64) (seek_seconds * GST_SECONDS),
> GST_SEEK_TYPE_NONE,
> GST_CLOCK_TIME_NONE))
>
> with seekflag = GST_SEEK_FLAGE_FLUSH and also for GST_SEEK_FLAGE_NONE.
>
> gst_element_seek() returns success. But, gst_element_query_duration(
> ) gives the same playback time (not seeked time) and playback
> continues as usual.

hmm, that looks correct. You could try to send that to the demuxer (avidemux)
instead.

Alternatively you could also join one of the zillion media-player projects we
already have for the tablets, which have mastered seeking alredy.

Stefan

>
>
>
>
>
>
>
>
>
>
>
> On 1/9/08, *Stefan Kost* <[hidden email]
> <mailto:[hidden email]>> wrote:
>
> hi,
>
> please include the full seek command you use.
>
> Stefan
>
> Quoting sm tech < [hidden email]
> <mailto:[hidden email]>>:
>
> > Hi,
> >
> > There is a small correction i wanted to convey.
> >
> > On N800, I used dsppcmsink & *xvimagesink. *
> > On 770, I am using dsppcmsink & *dspmpeg4sink. *
> >
> > thanks,
> > sm
> >
> >
> > ----------------------------------------------------------------------------
> >
> >
> >
> >
> >
> >
> > On 1/7/08, sm tech < [hidden email]
> <mailto:[hidden email]>> wrote:
> >
> >> Hi,
> >>
> >> I am writing a gstreamer based media player on Nokia N800 and
> 770. I am
> >> unable to get video seek working for AVI files ( divx + mp3,
> divx + wav) on
> >> the media player using gst_element_seek() API. After
> gst_element_seek()
> >> function call the play continues.
> >>
> >> On N800, I am using dsppcmsink & dspmpeg4sink.
> >>
> >> On 770, I am using dsppcmsink & xvimagesink.
> >>
> >> Can anyone please tell, what I am missing?
> >>
> >> Thanks,
> >>
> >> sm
> >>
> >
>
>
>
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