No problem. Thanks a lot for your help. Let me know if u find anything on this On 02-May-2014, at 5:55 PM, wm4 <[email protected]> wrote:
> On Fri, 2 May 2014 13:31:04 +0530 > Abhishek Maniyar <[email protected]> wrote: > >> These timestamps are received from from av_read_frame() in the given order. >> There is not much scope to go wrong before that. I am using default >> configuration to start streaming. Can u suggest what setting/config/etc can >> result into something like this? > > No idea, sorry. And I don't know how RTSP generally handles timestamps. > >> Thanks and regards >> Abhishek >> >> On 01-May-2014, at 3:13 PM, wm4 <[email protected]> wrote: >> >>> On Wed, 30 Apr 2014 17:51:06 +0530 >>> Abhishek Maniyar <[email protected]> wrote: >>> >>>> Hey sorry for the complicated log. Following a simplified version of that: >>>> >>>> Log is in format: >>>> hr:mm:ss.ms (packet receive time from av_read_frame):: PTS :: <Timestamp >>>> in ms> (AVPacket) >>>> >>>> 12:26:50.878 :: PTS: 21904.921875 >>>> 12:26:50.917 :: PTS: 21945.855469 >>>> 12:26:50.960 :: PTS: 21986.033203 >>>> 12:26:51.000 :: PTS: 22025.255859 >>>> 12:26:51.040 :: PTS: 22069.566406 >>>> 12:26:51.081 :: PTS: 22105.255859 >>>> 12:26:51.122 :: PTS: 22145.322266 >>>> 12:26:51.165 :: PTS: 22184.611328 >>>> 12:26:51.204 :: PTS: 22225.812500 >>>> 12:26:51.250 :: PTS: 22264.457031 >>>> …. >>>> 12:26:53.306 :: PTS: 21924.312500 >>>> 12:26:53.347 :: PTS: 21965.599609 >>>> 12:26:53.352 :: PTS: 22004.466797 >>>> 12:26:53.393 :: PTS: 22043.710938 >>>> 12:26:53.427 :: PTS: 22084.667969 >>>> 12:26:53.476 :: PTS: 22124.066406 >>>> 12:26:53.507 :: PTS: 22164.800781 >>>> 12:26:53.551 :: PTS: 22205.644531 >>>> 12:26:53.593 :: PTS: 22244.023438 >>>> 12:26:53.631 :: PTS: 22283.644531 >>>> 12:26:53.668 :: PTS: 22324.710938 >>>> 12:26:53.712 :: PTS: 22364.267578 >>>> 12:26:53.751 :: PTS: 22404.044922 >>>> 12:26:53.793 :: PTS: 22444.888672 >>>> >>>> >>>> Its a 25FPS video, so i should get 1 video frame to be displayed for 40 ms >>>> (25 frames for 40ms each = 1000ms = 1s ,so 25FPS ). >>>> >>>> My problem is : >>>> I got frames: >>>> 12:26:50.878 :: PTS: 21904.921875 (this is a frame i got to be displayed >>>> at 21904.921875 ms) >>>> 12:26:50.917 :: PTS: 21945.855469 (this is a frame i got to be displayed >>>> at 21945.855469 ms) >>>> approx 40 ms.. which is right. and similar for subsequent frames. >>>> >>>> after around 3 seconds I got >>>> 12:26:53.306 :: PTS: 21924.312500 (this is a frame i got to be displayed >>>> at 21924.312500) >>>> 12:26:53.347 :: PTS: 21965.599609 (this is a frame i got to be displayed >>>> at 21965.599609) >>>> approx 40 ms.. which is right. and similar for subsequent frames. >>>> >>>> but my problem is i already had frames to be displayed in dat time block( >>>> 21904.921875 ms - 22264.457031ms ), which I already displayed and >>>> discarded. Now after 3 seconds i again started getting packets with PTS >>>> for the same time time block. >>>> >>>> Thanks for your help. >>> >>> Maybe these are merely wrapping timestamps? Normally I'd expect that >>> timestamps don't wrap that often, but I don't know what your source >>> does. >>> >>>> - Abhishek >>>> >>>> >>>> On 30-Apr-2014, at 5:22 PM, wm4 <[email protected]> wrote: >>>> >>>>> On Wed, 30 Apr 2014 16:37:04 +0530 >>>>> Abhishek Maniyar <[email protected]> wrote: >>>>> >>>>>> But how can i sort them? I get older packet after am done displaying the >>>>>> later one. >>>>> >>>>> You know that for each packet you feed to the decoder, you get back a >>>>> decoded frame. So you put all packet PTS values in an array, and pick >>>>> the PTS with the lowest value each time a frame is output. >>>>> >>>>>> Also there looks like a overlap in block.. if we see the first part, the >>>>>> PTS looks like properly organised. next PTS is at expected time. But >>>>>> after some time, we see packets for same time block, which look right >>>>>> to.. even in there next PTS is at tight time wrt to previous. >>>>>> I am unable to understand how can I get different packets for same time >>>>>> block after some time? >>>>>> In the following example , I am getting frames for time stamp 21904 to >>>>>> 22264 twice. And if we see to both blocks of data independently, they >>>>>> both look complete. >>>>> >>>>> Then I don't know. (Though I don't see any double timestamps, maybe >>>>> bring the output in a more readable and less redundant format?) >>>>> >>>>>> Reorder is when packets are not in order. But here it looks like there >>>>>> are enough packets in both the sections. Thats what is confusing me >>>>>> more. >>>>>> >>>>>> 2014-04-29 12:26:50.878 MyPlayer[197:5c07] PTS: 21904.921875(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:50.917 MyPlayer[197:5c07] PTS: 21945.855469(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:50.960 MyPlayer[197:5c07] PTS: 21986.033203(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:51.000 MyPlayer[197:5c07] PTS: 22025.255859(Duration : >>>>>> 40.000000) Bufferred: 3600.00 >>>>>> 2014-04-29 12:26:51.040 MyPlayer[197:5c07] PTS: 22069.566406(Duration : >>>>>> 40.000000) Bufferred: 3600.00 >>>>>> 2014-04-29 12:26:51.081 MyPlayer[197:5c07] PTS: 22105.255859(Duration : >>>>>> 40.000000) Bufferred: 3600.00 >>>>>> 2014-04-29 12:26:51.122 MyPlayer[197:5c07] PTS: 22145.322266(Duration : >>>>>> 40.000000) Bufferred: 3600.00 >>>>>> 2014-04-29 12:26:51.165 MyPlayer[197:5c07] PTS: 22184.611328(Duration : >>>>>> 40.000000) Bufferred: 3600.00 >>>>>> 2014-04-29 12:26:51.204 MyPlayer[197:5c07] PTS: 22225.812500(Duration : >>>>>> 40.000000) Bufferred: 3600.00 >>>>>> 2014-04-29 12:26:51.250 MyPlayer[197:5c07] PTS: 22264.457031(Duration : >>>>>> 40.000000) Bufferred: 3600.00 >>>>>> . >>>>>> . >>>>>> . >>>>>> 2014-04-29 12:26:53.304 MyPlayer[197:5c07] Got older packet >>>>>> (21924.312500): 50 >>>>>> 2014-04-29 12:26:53.306 MyPlayer[197:5c07] PTS: 21924.312500(Duration : >>>>>> 40.000000) Bufferred: 3600.00 >>>>>> 2014-04-29 12:26:53.343 MyPlayer[197:5c07] Got older packet >>>>>> (21965.599609): 51 >>>>>> 2014-04-29 12:26:53.347 MyPlayer[197:5c07] PTS: 21965.599609(Duration : >>>>>> 40.000000) Bufferred: 3600.00 >>>>>> 2014-04-29 12:26:53.350 MyPlayer[197:5c07] Got older packet >>>>>> (22004.466797): 52 >>>>>> 2014-04-29 12:26:53.352 MyPlayer[197:5c07] PTS: 22004.466797(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:53.391 MyPlayer[197:5c07] Got older packet >>>>>> (22043.710938): 53 >>>>>> 2014-04-29 12:26:53.393 MyPlayer[197:5c07] PTS: 22043.710938(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:53.424 MyPlayer[197:5c07] Got older packet >>>>>> (22084.667969): 54 >>>>>> 2014-04-29 12:26:53.427 MyPlayer[197:5c07] PTS: 22084.667969(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:53.473 MyPlayer[197:5c07] Got older packet >>>>>> (22124.066406): 55 >>>>>> 2014-04-29 12:26:53.476 MyPlayer[197:5c07] PTS: 22124.066406(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:53.506 MyPlayer[197:5c07] Got older packet >>>>>> (22164.800781): 56 >>>>>> 2014-04-29 12:26:53.507 MyPlayer[197:5c07] PTS: 22164.800781(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:53.549 MyPlayer[197:5c07] Got older packet >>>>>> (22205.644531): 57 >>>>>> 2014-04-29 12:26:53.551 MyPlayer[197:5c07] PTS: 22205.644531(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:53.590 MyPlayer[197:5c07] Got older packet >>>>>> (22244.023438): 58 >>>>>> 2014-04-29 12:26:53.593 MyPlayer[197:5c07] PTS: 22244.023438(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:53.628 MyPlayer[197:5c07] Got older packet >>>>>> (22283.644531): 59 >>>>>> 2014-04-29 12:26:53.631 MyPlayer[197:5c07] PTS: 22283.644531(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:53.668 MyPlayer[197:5c07] PTS: 22324.710938(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:53.712 MyPlayer[197:5c07] PTS: 22364.267578(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:53.751 MyPlayer[197:5c07] PTS: 22404.044922(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> 2014-04-29 12:26:53.793 MyPlayer[197:5c07] PTS: 22444.888672(Duration : >>>>>> 40.000000) Bufferred: 3640.00 >>>>>> >>>>>> >>>>>> On 30-Apr-2014, at 4:13 PM, wm4 <[email protected]> wrote: >>>>>> >>>>>>> On Wed, 30 Apr 2014 16:05:22 +0530 >>>>>>> Abhishek Maniyar <[email protected]> wrote: >>>>>>> >>>>>>>> I am new to using FFMPEG. >>>>>>>> >>>>>>>> YES, I am calculating PTS as "frame.pts = packet.pts >>>>>>>> *_videoTimeBase;". I am not using FFMPEG decoder(using a 3rd party >>>>>>>> decoder). So i don't have AVFrame. Hence only PTS I have is the one I >>>>>>>> get from AVPacket. I have printed PTS in the sequence I get packet >>>>>>>> from (av_read_frame) >>>>>>>> >>>>>>>> Please see the following log: >>>>>>>> . >>>>>>>> . >>>>>>>> . >>>>>>>> . >>>>>>>> . >>>>>>>> 2014-04-29 12:26:50.878 MyPlayer[197:5c07] PTS: 21904.921875(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:50.917 MyPlayer[197:5c07] PTS: 21945.855469(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:50.960 MyPlayer[197:5c07] PTS: 21986.033203(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:51.000 MyPlayer[197:5c07] PTS: 22025.255859(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.040 MyPlayer[197:5c07] PTS: 22069.566406(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.081 MyPlayer[197:5c07] PTS: 22105.255859(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.122 MyPlayer[197:5c07] PTS: 22145.322266(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.165 MyPlayer[197:5c07] PTS: 22184.611328(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.204 MyPlayer[197:5c07] PTS: 22225.812500(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.250 MyPlayer[197:5c07] PTS: 22264.457031(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.293 MyPlayer[197:5c07] PTS: 22305.322266(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.332 MyPlayer[197:5c07] Got older packet >>>>>>>> (19965.955078): 1 >>>>>>>> 2014-04-29 12:26:51.333 MyPlayer[197:5c07] PTS: 19965.955078(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.372 MyPlayer[197:5c07] Got older packet >>>>>>>> (20004.978516): 2 >>>>>>>> 2014-04-29 12:26:51.375 MyPlayer[197:5c07] PTS: 20004.978516(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.412 MyPlayer[197:5c07] Got older packet >>>>>>>> (20045.822266): 3 >>>>>>>> 2014-04-29 12:26:51.415 MyPlayer[197:5c07] PTS: 20045.822266(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.456 MyPlayer[197:5c07] Got older packet >>>>>>>> (20085.267578): 4 >>>>>>>> 2014-04-29 12:26:51.460 MyPlayer[197:5c07] PTS: 20085.267578(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.500 MyPlayer[197:5c07] Got older packet >>>>>>>> (20124.734375): 5 >>>>>>>> 2014-04-29 12:26:51.503 MyPlayer[197:5c07] PTS: 20124.734375(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.545 MyPlayer[197:5c07] Got older packet >>>>>>>> (20166.222656): 6 >>>>>>>> 2014-04-29 12:26:51.547 MyPlayer[197:5c07] PTS: 20166.222656(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.590 MyPlayer[197:5c07] Got older packet >>>>>>>> (20205.333984): 7 >>>>>>>> 2014-04-29 12:26:51.592 MyPlayer[197:5c07] PTS: 20205.333984(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.630 MyPlayer[197:5c07] Got older packet >>>>>>>> (20245.044922): 8 >>>>>>>> 2014-04-29 12:26:51.632 MyPlayer[197:5c07] PTS: 20245.044922(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.664 MyPlayer[197:5c07] Got older packet >>>>>>>> (20286.201172): 9 >>>>>>>> 2014-04-29 12:26:51.666 MyPlayer[197:5c07] PTS: 20286.201172(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:51.672 MyPlayer[197:5c07] Got older packet >>>>>>>> (20324.777344): 10 >>>>>>>> 2014-04-29 12:26:51.673 MyPlayer[197:5c07] PTS: 20324.777344(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:51.708 MyPlayer[197:5c07] Got older packet >>>>>>>> (20364.800781): 11 >>>>>>>> 2014-04-29 12:26:51.709 MyPlayer[197:5c07] PTS: 20364.800781(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:51.745 MyPlayer[197:5c07] Got older packet >>>>>>>> (20405.623047): 12 >>>>>>>> 2014-04-29 12:26:51.748 MyPlayer[197:5c07] PTS: 20405.623047(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:51.785 MyPlayer[197:5c07] Got older packet >>>>>>>> (20445.867188): 13 >>>>>>>> 2014-04-29 12:26:51.789 MyPlayer[197:5c07] PTS: 20445.867188(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:51.827 MyPlayer[197:5c07] Got older packet >>>>>>>> (20484.888672): 14 >>>>>>>> 2014-04-29 12:26:51.829 MyPlayer[197:5c07] PTS: 20484.888672(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:51.866 MyPlayer[197:5c07] Got older packet >>>>>>>> (20525.466797): 15 >>>>>>>> 2014-04-29 12:26:51.867 MyPlayer[197:5c07] PTS: 20525.466797(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:51.915 MyPlayer[197:5c07] Got older packet >>>>>>>> (20566.177734): 16 >>>>>>>> 2014-04-29 12:26:51.916 MyPlayer[197:5c07] PTS: 20566.177734(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:51.947 MyPlayer[197:5c07] Got older packet >>>>>>>> (20605.355469): 17 >>>>>>>> 2014-04-29 12:26:51.949 MyPlayer[197:5c07] PTS: 20605.355469(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:51.989 MyPlayer[197:5c07] Got older packet >>>>>>>> (20645.867188): 18 >>>>>>>> 2014-04-29 12:26:51.991 MyPlayer[197:5c07] PTS: 20645.867188(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.029 MyPlayer[197:5c07] Got older packet >>>>>>>> (20685.066406): 19 >>>>>>>> 2014-04-29 12:26:52.034 MyPlayer[197:5c07] PTS: 20685.066406(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.077 MyPlayer[197:5c07] Got older packet >>>>>>>> (20725.000000): 20 >>>>>>>> 2014-04-29 12:26:52.080 MyPlayer[197:5c07] PTS: 20725.000000(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.110 MyPlayer[197:5c07] Got older packet >>>>>>>> (20766.000000): 21 >>>>>>>> 2014-04-29 12:26:52.112 MyPlayer[197:5c07] PTS: 20766.000000(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.152 MyPlayer[197:5c07] Got older packet >>>>>>>> (20805.222656): 22 >>>>>>>> 2014-04-29 12:26:52.160 MyPlayer[197:5c07] PTS: 20805.222656(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.194 MyPlayer[197:5c07] Got older packet >>>>>>>> (20844.689453): 23 >>>>>>>> 2014-04-29 12:26:52.197 MyPlayer[197:5c07] PTS: 20844.689453(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.234 MyPlayer[197:5c07] Got older packet >>>>>>>> (20886.333984): 24 >>>>>>>> 2014-04-29 12:26:52.238 MyPlayer[197:5c07] PTS: 20886.333984(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.272 MyPlayer[197:5c07] Got older packet >>>>>>>> (20924.800781): 25 >>>>>>>> 2014-04-29 12:26:52.275 MyPlayer[197:5c07] PTS: 20924.800781(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.313 MyPlayer[197:5c07] Got older packet >>>>>>>> (20964.378906): 26 >>>>>>>> 2014-04-29 12:26:52.315 MyPlayer[197:5c07] PTS: 20964.378906(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.359 MyPlayer[197:5c07] Got older packet >>>>>>>> (21006.044922): 27 >>>>>>>> 2014-04-29 12:26:52.360 MyPlayer[197:5c07] PTS: 21006.044922(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.396 MyPlayer[197:5c07] Got older packet >>>>>>>> (21045.267578): 28 >>>>>>>> 2014-04-29 12:26:52.398 MyPlayer[197:5c07] PTS: 21045.267578(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.440 MyPlayer[197:5c07] Got older packet >>>>>>>> (21083.912109): 29 >>>>>>>> 2014-04-29 12:26:52.449 MyPlayer[197:5c07] PTS: 21083.912109(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.476 MyPlayer[197:5c07] Got older packet >>>>>>>> (21125.689453): 30 >>>>>>>> 2014-04-29 12:26:52.478 MyPlayer[197:5c07] PTS: 21125.689453(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.517 MyPlayer[197:5c07] Got older packet >>>>>>>> (21165.023438): 31 >>>>>>>> 2014-04-29 12:26:52.522 MyPlayer[197:5c07] PTS: 21165.023438(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.557 MyPlayer[197:5c07] Got older packet >>>>>>>> (21204.289062): 32 >>>>>>>> 2014-04-29 12:26:52.558 MyPlayer[197:5c07] PTS: 21204.289062(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.598 MyPlayer[197:5c07] Got older packet >>>>>>>> (21245.644531): 33 >>>>>>>> 2014-04-29 12:26:52.600 MyPlayer[197:5c07] PTS: 21245.644531(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:52.639 MyPlayer[197:5c07] Got older packet >>>>>>>> (21285.156250): 34 >>>>>>>> 2014-04-29 12:26:52.641 MyPlayer[197:5c07] PTS: 21285.156250(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.679 MyPlayer[197:5c07] Got older packet >>>>>>>> (21323.623047): 35 >>>>>>>> 2014-04-29 12:26:52.681 MyPlayer[197:5c07] PTS: 21323.623047(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:52.735 MyPlayer[197:5c07] Got older packet >>>>>>>> (21370.267578): 36 >>>>>>>> 2014-04-29 12:26:52.736 MyPlayer[197:5c07] PTS: 21370.267578(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:52.773 MyPlayer[197:5c07] Got older packet >>>>>>>> (21405.111328): 37 >>>>>>>> 2014-04-29 12:26:52.774 MyPlayer[197:5c07] PTS: 21405.111328(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:52.811 MyPlayer[197:5c07] Got older packet >>>>>>>> (21444.957031): 38 >>>>>>>> 2014-04-29 12:26:52.813 MyPlayer[197:5c07] PTS: 21444.957031(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:52.844 MyPlayer[197:5c07] Got older packet >>>>>>>> (21485.667969): 39 >>>>>>>> 2014-04-29 12:26:52.862 MyPlayer[197:5c07] PTS: 21485.667969(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:52.892 MyPlayer[197:5c07] Got older packet >>>>>>>> (21525.134766): 40 >>>>>>>> 2014-04-29 12:26:52.893 MyPlayer[197:5c07] PTS: 21525.134766(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:52.943 MyPlayer[197:5c07] Got older packet >>>>>>>> (21565.066406): 41 >>>>>>>> 2014-04-29 12:26:52.944 MyPlayer[197:5c07] PTS: 21565.066406(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:52.974 MyPlayer[197:5c07] Got older packet >>>>>>>> (21605.466797): 42 >>>>>>>> 2014-04-29 12:26:52.975 MyPlayer[197:5c07] PTS: 21605.466797(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:53.016 MyPlayer[197:5c07] Got older packet >>>>>>>> (21645.267578): 43 >>>>>>>> 2014-04-29 12:26:53.021 MyPlayer[197:5c07] PTS: 21645.267578(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:53.056 MyPlayer[197:5c07] Got older packet >>>>>>>> (21684.777344): 44 >>>>>>>> 2014-04-29 12:26:53.058 MyPlayer[197:5c07] PTS: 21684.777344(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:53.099 MyPlayer[197:5c07] Got older packet >>>>>>>> (21725.289062): 45 >>>>>>>> 2014-04-29 12:26:53.101 MyPlayer[197:5c07] PTS: 21725.289062(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:53.139 MyPlayer[197:5c07] Got older packet >>>>>>>> (21764.800781): 46 >>>>>>>> 2014-04-29 12:26:53.141 MyPlayer[197:5c07] PTS: 21764.800781(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:53.179 MyPlayer[197:5c07] Got older packet >>>>>>>> (21804.066406): 47 >>>>>>>> 2014-04-29 12:26:53.180 MyPlayer[197:5c07] PTS: 21804.066406(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:53.220 MyPlayer[197:5c07] Got older packet >>>>>>>> (21845.466797): 48 >>>>>>>> 2014-04-29 12:26:53.223 MyPlayer[197:5c07] PTS: 21845.466797(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:53.262 MyPlayer[197:5c07] Got older packet >>>>>>>> (21884.378906): 49 >>>>>>>> 2014-04-29 12:26:53.265 MyPlayer[197:5c07] PTS: 21884.378906(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:53.304 MyPlayer[197:5c07] Got older packet >>>>>>>> (21924.312500): 50 >>>>>>>> 2014-04-29 12:26:53.306 MyPlayer[197:5c07] PTS: 21924.312500(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:53.343 MyPlayer[197:5c07] Got older packet >>>>>>>> (21965.599609): 51 >>>>>>>> 2014-04-29 12:26:53.347 MyPlayer[197:5c07] PTS: 21965.599609(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:53.350 MyPlayer[197:5c07] Got older packet >>>>>>>> (22004.466797): 52 >>>>>>>> 2014-04-29 12:26:53.352 MyPlayer[197:5c07] PTS: 22004.466797(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.391 MyPlayer[197:5c07] Got older packet >>>>>>>> (22043.710938): 53 >>>>>>>> 2014-04-29 12:26:53.393 MyPlayer[197:5c07] PTS: 22043.710938(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.424 MyPlayer[197:5c07] Got older packet >>>>>>>> (22084.667969): 54 >>>>>>>> 2014-04-29 12:26:53.427 MyPlayer[197:5c07] PTS: 22084.667969(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.473 MyPlayer[197:5c07] Got older packet >>>>>>>> (22124.066406): 55 >>>>>>>> 2014-04-29 12:26:53.476 MyPlayer[197:5c07] PTS: 22124.066406(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.506 MyPlayer[197:5c07] Got older packet >>>>>>>> (22164.800781): 56 >>>>>>>> 2014-04-29 12:26:53.507 MyPlayer[197:5c07] PTS: 22164.800781(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.549 MyPlayer[197:5c07] Got older packet >>>>>>>> (22205.644531): 57 >>>>>>>> 2014-04-29 12:26:53.551 MyPlayer[197:5c07] PTS: 22205.644531(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.590 MyPlayer[197:5c07] Got older packet >>>>>>>> (22244.023438): 58 >>>>>>>> 2014-04-29 12:26:53.593 MyPlayer[197:5c07] PTS: 22244.023438(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.628 MyPlayer[197:5c07] Got older packet >>>>>>>> (22283.644531): 59 >>>>>>>> 2014-04-29 12:26:53.631 MyPlayer[197:5c07] PTS: 22283.644531(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.668 MyPlayer[197:5c07] PTS: 22324.710938(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.712 MyPlayer[197:5c07] PTS: 22364.267578(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.751 MyPlayer[197:5c07] PTS: 22404.044922(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.793 MyPlayer[197:5c07] PTS: 22444.888672(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.833 MyPlayer[197:5c07] PTS: 22484.511719(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.871 MyPlayer[197:5c07] PTS: 22524.289062(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.913 MyPlayer[197:5c07] PTS: 22565.177734(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.954 MyPlayer[197:5c07] PTS: 22604.734375(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:53.998 MyPlayer[197:5c07] PTS: 22644.023438(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.037 MyPlayer[197:5c07] PTS: 22685.244141(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:54.074 MyPlayer[197:5c07] PTS: 22724.599609(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:54.124 MyPlayer[197:5c07] PTS: 22764.044922(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:54.156 MyPlayer[197:5c07] PTS: 22804.490234(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:54.197 MyPlayer[197:5c07] PTS: 22844.156250(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:54.244 MyPlayer[197:5c07] PTS: 22884.023438(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:54.278 MyPlayer[197:5c07] PTS: 22923.511719(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:54.318 MyPlayer[197:5c07] PTS: 22964.177734(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:54.378 MyPlayer[197:5c07] PTS: 23004.445312(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.407 MyPlayer[197:5c07] PTS: 23044.111328(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.445 MyPlayer[197:5c07] PTS: 23084.378906(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.485 MyPlayer[197:5c07] PTS: 23124.000000(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:54.525 MyPlayer[197:5c07] PTS: 23164.066406(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.566 MyPlayer[197:5c07] PTS: 23204.623047(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.613 MyPlayer[197:5c07] PTS: 23243.734375(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.667 MyPlayer[197:5c07] PTS: 23283.888672(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.707 MyPlayer[197:5c07] PTS: 23323.089844(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.739 MyPlayer[197:5c07] PTS: 23364.355469(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.778 MyPlayer[197:5c07] PTS: 23403.623047(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.819 MyPlayer[197:5c07] PTS: 23444.734375(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.866 MyPlayer[197:5c07] PTS: 23484.044922(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.900 MyPlayer[197:5c07] PTS: 23524.111328(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.942 MyPlayer[197:5c07] PTS: 23564.957031(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:54.947 MyPlayer[197:5c07] PTS: 23603.957031(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:54.987 MyPlayer[197:5c07] PTS: 23643.134766(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.023 MyPlayer[197:5c07] PTS: 23684.333984(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.064 MyPlayer[197:5c07] PTS: 23723.156250(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.146 MyPlayer[197:5c07] PTS: 23762.867188(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:55.149 MyPlayer[197:5c07] PTS: 23807.623047(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.230 MyPlayer[197:5c07] PTS: 23882.867188(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.275 MyPlayer[197:5c07] PTS: 23923.667969(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.315 MyPlayer[197:5c07] PTS: 23963.623047(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.354 MyPlayer[197:5c07] PTS: 24003.556641(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.389 MyPlayer[197:5c07] PTS: 24044.333984(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.431 MyPlayer[197:5c07] PTS: 24083.466797(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.471 MyPlayer[197:5c07] PTS: 24123.822266(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.511 MyPlayer[197:5c07] PTS: 24165.177734(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.551 MyPlayer[197:5c07] PTS: 24204.000000(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.592 MyPlayer[197:5c07] PTS: 24243.466797(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.637 MyPlayer[197:5c07] PTS: 24284.333984(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.674 MyPlayer[197:5c07] PTS: 24323.845703(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.714 MyPlayer[197:5c07] PTS: 24363.111328(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.754 MyPlayer[197:5c07] PTS: 24404.490234(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.795 MyPlayer[197:5c07] PTS: 24447.066406(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.836 MyPlayer[197:5c07] PTS: 24482.511719(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.877 MyPlayer[197:5c07] PTS: 24524.023438(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.917 MyPlayer[197:5c07] PTS: 24563.400391(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.958 MyPlayer[197:5c07] PTS: 24602.644531(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:55.998 MyPlayer[197:5c07] PTS: 24643.355469(Duration >>>>>>>> : 40.000000) Bufferred: 3640.00 >>>>>>>> 2014-04-29 12:26:56.048 MyPlayer[197:5c07] PTS: 24682.978516(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> 2014-04-29 12:26:56.092 MyPlayer[197:5c07] PTS: 24722.644531(Duration >>>>>>>> : 40.000000) Bufferred: 3600.00 >>>>>>>> . >>>>>>>> . >>>>>>>> . >>>>>>>> . >>>>>>>> . >>>>>>>> >>>>>>>> Is this expected/valid? How can we handle such cases? >>>>>>> >>>>>>> Yes, most file formats store the timestamp in a way that requires >>>>>>> reordering. If the decoder you're using doesn't provide any means to do >>>>>>> the reordering, you could sort them, I guess. >>>>>>> >>>>>>>> Thanks and regards >>>>>>>> Abhishek >>>>>>>> >>>>>>>> >>>>>>>> On 30-Apr-2014, at 3:35 PM, wm4 <[email protected]> wrote: >>>>>>>> >>>>>>>>> On Tue, 29 Apr 2014 12:13:01 -0700 >>>>>>>>> J Decker <[email protected]> wrote: >>>>>>>>> >>>>>>>>>> On Tue, Apr 29, 2014 at 3:26 AM, Abhishek Maniyar < >>>>>>>>>> [email protected]> wrote: >>>>>>>>>> >>>>>>>>>>> Hello Everyone, >>>>>>>>>>> >>>>>>>>>>> I am trying to connect to RTSP using FFMPEG library in iOS. >>>>>>>>>>> >>>>>>>>>>> I am using TCP. Some times in poor network conditions, packets with >>>>>>>>>>> older >>>>>>>>>>> PTS received. Is it possible in FFMPEG to get a packet with PTS is >>>>>>>>>>> sequence >>>>>>>>>>> 10,11,12,13,7,8,9,….. Should FFMPEG not discard packets those are >>>>>>>>>>> older den >>>>>>>>>>> current packet? >>>>>>>>>>> >>>>>>>>>> I had the same sort of sequential PTS in some videos; another place >>>>>>>>>> to >>>>>>>>>> ignore that and use your own frame count based PTS... like MP4 clips >>>>>>>>>> come >>>>>>>>>> in ticks, mkv come in milliseconds in the PTS and some are sequential >>>>>>>>>> counts (avi) and even playing from disk I got backwards numbers >>>>>>>>> >>>>>>>>> Seems like you don't understand timestamps at all. >>>>>>>>> >>>>>>>>> First, PTS can go backwards on the packet level. This is because some >>>>>>>>> codecs reorder frames on decoding. Packet PTS are in encoded order, >>>>>>>>> not >>>>>>>>> in display order, and the decoder will reorder the PTS to display >>>>>>>>> order >>>>>>>>> for you (just like it reorders the decoded pictures). See AVFrame >>>>>>>>> fields for more info. >>>>>>>>> >>>>>>>>> Second, timestamps in ffmpeg are always relative to a timebase. The >>>>>>>>> timebase tells you in what units the PTS values are in. You just >>>>>>>>> divide >>>>>>>>> the PTS by the timebase, and you get the time in seconds. The >>>>>>>>> demuxer will tell you the timebase; see AVStream.time_base. >>>>>>>>> _______________________________________________ >>>>>>>>> Libav-user mailing list >>>>>>>>> [email protected] >>>>>>>>> http://ffmpeg.org/mailman/listinfo/libav-user >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Libav-user mailing list >>>>>>> [email protected] >>>>>>> http://ffmpeg.org/mailman/listinfo/libav-user >>>>>> >>>>> >>>>> _______________________________________________ >>>>> Libav-user mailing list >>>>> [email protected] >>>>> http://ffmpeg.org/mailman/listinfo/libav-user >>>> >>> >>> _______________________________________________ >>> Libav-user mailing list >>> [email protected] >>> http://ffmpeg.org/mailman/listinfo/libav-user >> >> _______________________________________________ >> Libav-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/libav-user > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
