[FFmpeg-devel] [PATCH] Fix MPEG-TS seek and frame positions in general
Ivan Schreter
schreter
Tue Feb 17 10:51:16 CET 2009
Baptiste Coudurier wrote:
> Hi,
>
> Ivan Schreter wrote:
>
>> Ivan Schreter wrote:
>>
>>> Ivan Schreter wrote:
>>>
>>>
>>>> Ivan Schreter wrote:
>>>>
>>>>
>>>>
>>>>> [...]
>>>>> Patch #2: let mpegts format decoder return correct packet positions by
>>>>> keeping track of position of first TS packet of a PES packet in
>>>>> MpegTSPESFilter.
>>>>>
>
> I believe AVPacket->pos should be set to the point where a byte seek can
> occur for formats allowing it, this can be really useful for application
> constructing indexes and/or using AVIndex.
>
> So in this case I believe AVPacket->pos should be set to the 0x47 byte
> containing the start of the PES packet containing the frame.
>
>
Um, this is the case with the patch...
If I look in the ts file, the positions returned point exactly to 0x47
byte. Did you see something different in your sample?
Regards,
Ivan
More information about the ffmpeg-devel
mailing list