Trimming mp4 video

[Thibault Saunier]

Hi,

Good to hear, you will need to add one nleurisource per tracks, this is how
nle works.

Regards,

- Thibault

On Wed, Feb 19, 2020 at 5:11 PM Pascal Jacquemart <
pascal at fluffyspider.com.au> wrote:

> Great,
>
> It seems to be exactly what I need.
> But what if I have several audio tracks in the original file I want to
> trim?
>
> Thanks,       Pascal
>
> On 19 Feb 2020, at 13:13, Thibault Saunier <tsaunier at gnome.org> wrote:
>
> Hello,
>
> You can use GES[0] for that, or with master `nleurisource` has been fixed
> to work standalone and you can do:
>
>   gst-launch-1.0 nleurisource uri=file://path/to/file
> inpoint=$(TRIMMING_POINT) caps=video/x-h264 duration=$(DURATION_YOU_WANT) !
> h264parse ! mp4mux ! filesink
>
> Regards,
>
> Thibault
>
> [0] https://gstreamer.freedesktop.org/documentation/gst-editing-services/
>
> On Mon, Feb 17, 2020 at 11:50 PM Pascal Jacquemart <
> pascal at fluffyspider.com> wrote:
>
>>
>> Hi everyone,
>>
>> I am trying to trim a mp4 video file, but having some issues with
>> something that simple.
>>
>> I am running the following pipeline:
>>   filesrc ! qtdemux ! h264parse ! mp4mux ! filesink
>>
>> At this stage, it creates an exact clone of the original video
>>
>> Then I figured out I should do the following:
>>  - Start the pipeline in PAUSED state
>>  - Issue a SEEK with FLUSH and KEY_UNIT flags
>>  - Put the pipeline to PLAYING state
>>  - Wait for the EOS message
>>
>> This does not work. The created file seems to be the right size but it
>> does not play.
>>
>> After few experiments, I can create the trimmed video but only when I
>> start the whole pipeline in PLAYING state. Then the file is valid but I
>> can see the very first few frames of the original video before the
>> trimmed part.
>>
>> My sample code is in here: https://trinket.io/python/185bdb1678
>> I might be missing something obvious?
>>
>> Thanks,           Pascal
>>
>>
>>
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/gstreamer-devel/attachments/20200219/6d6eaf61/attachment-0001.htm>