[FFmpeg-user] weird behavior with segmented files

[Shaya Potter]

and similarly, if I do your first example but only have it output one
frame, i see errors.

[h264 @ 0x943ea0] no frame!
[h264 @ 0x98b660] no frame!
Error while decoding stream #0:0: Invalid data found when processing input
[h264 @ 0x8eb2c0] no frame!g
Error while decoding stream #0:0: Invalid data found when processing input
[h264 @ 0x943ea0] no frame!

which seems to indicate to me that its segmenting/splitting on a bad frame.


hmm

On Thu, Jul 14, 2016 at 9:51 AM, Shaya Potter <spotter at gmail.com> wrote:

> and as a followup, while I said ffplay seemed to work fine, that was when
> I played it just as ffplay out003.mp4
>
> however when run with run -flags output_corrupt (ffplay -flags
> output_corrupt out003.mp4) I see them same exact initial gray screen that I
> see in totem and similar to vlc behavior (though there its black).
>
> On Thu, Jul 14, 2016 at 9:34 AM, Shaya Potter <spotter at gmail.com> wrote:
>
>> thanks for the reply, it helps (ffplay also seems to play it fine).  On a
>> related note I tried outputting 100 frames and see errors like
>>
>> [h264 @ 0x122ad20] no frame!
>> [h264 @ 0x123f040] no frame!
>> Error while decoding stream #0:1: Invalid data found when processing input
>> [h264 @ 0x12162e0] no frame!
>> Error while decoding stream #0:1: Invalid data found when processing input
>>
>> but 100 jpg files are still produced.  md5sum seems to show that some
>> frame sare duplicated so I'm guessing that is what happens in these errors
>> case instead of not producing a file at all?
>>
>>
>> On Thu, Jul 14, 2016 at 6:19 AM, Carl Eugen Hoyos <cehoyos at ag.or.at>
>> wrote:
>>
>>> Shaya Potter <spotter <at> gmail.com> writes:
>>>
>>> > However, while the saved original file plays correctly, it
>>> > seems the segmented files do not (in vlc and totem).
>>>
>>> I tested the following with the file you uploaded:
>>> $ ffmpeg -i out003.mp4 -vframes 3 out%d.jpg
>>>
>>> out1.jpg looks fine, so I suspect an issue in vlc and totem.
>>>
>>> Carl Eugen
>>>
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>>
>>
>