Re: [asterisk-dev] why no sequence numbers with video frames over IAX ?

2007-10-30 Thread Mihai Balea
On Oct 30, 2007, at 11:52 AM, Luigi Rizzo wrote: I am a bit unclear on the following case: i encode a video frame (say an I-frame) and the result is a large chunk of data that needs to be transmitted over multiple UDP packets (containing in turn RTP or IAX frames). Now, for this video frame i

Re: [asterisk-dev] why no sequence numbers with video frames over IAX ?

2007-10-30 Thread Mihai Balea
On Oct 30, 2007, at 11:26 AM, Kevin P. Fleming wrote: Not really... sequence numbers (especially in the video media world) aren't a reliable way to order packets and check for missing packets anyway, as sequence numbers can be 'consumed' by non-media frames in some situations, and IIRC there ar

Re: [asterisk-dev] why no sequence numbers with video frames over IAX ?

2007-10-30 Thread Luigi Rizzo
On Tue, Oct 30, 2007 at 10:26:02AM -0500, Kevin P. Fleming wrote: > Luigi Rizzo wrote: > > > ok thanks for the clarification. > > The absence of sequence number makes it slightly difficult to detect > > missing frames though... > > Not really... sequence numbers (especially in the video media wor

Re: [asterisk-dev] why no sequence numbers with video frames over IAX ?

2007-10-30 Thread Kevin P. Fleming
Luigi Rizzo wrote: > ok thanks for the clarification. > The absence of sequence number makes it slightly difficult to detect > missing frames though... Not really... sequence numbers (especially in the video media world) aren't a reliable way to order packets and check for missing packets anyway