[vlc] H264 stream playback trouble

Kim Schulz kim at schulz.dk
Wed May 2 13:02:35 CEST 2007


Hi guys,
Ok I am moving on to h264+aac stream support, but now I have nit some new problems. 
This is what I get in my "messages" window in vlc:

main warning: clock gap, unexpected stream discontinuity
packetizer_h264 warning: waiting for SPS/PPS
main warning: clock gap, unexpected stream discontinuity
main warning: clock gap, unexpected stream discontinuity
live555 debug: lost 58 bytes
live555 debug: increasing buffer size to 131072
packetizer_h264 warning: waiting for SPS/PPS
live555 debug: lost 18 bytes
live555 debug: increasing buffer size to 262144
live555 debug: lost 23 bytes
live555 debug: increasing buffer size to 524288


a bit more info in the debug console:
Sending request: OPTIONS rtsp://10.123.10.30:9999 RTSP/1.0
CSeq: 7
User-Agent: VLC media player (LIVE555 Streaming Media v2007.02.20)


Received OPTIONS response: RTSP/1.0 200 OK
CSeq: 7
Public: DESCRIBE, SETUP, TEARDOWN, PLAY


Sending request: DESCRIBE rtsp://10.123.10.30:9999 RTSP/1.0
CSeq: 8
Accept: application/sdp
User-Agent: VLC media player (LIVE555 Streaming Media v2007.02.20)


Received DESCRIBE response: RTSP/1.0 200 OK
CSeq: 8
Content-Type: application/sdp
Content-Length: 241


Need to read 241 extra bytes
Read 241 extra bytes: v=0
o=CSR 769155000 769160000 IN IP4 10.123.10.30
s=VDP DEMO
t=0 0
c=IN IP4 10.123.10.30
m=audio 8888 RTP/AVP 97
a=rtpmap:97 MP4A-LATM/90000/2
a=fmtp:97 profile-level-id=1;cpresent=1;
m=video 8890 RTP/AVP 96
a=rtpmap:96 H264/90000

[00000352] live555 demuxer debug: RTP subsession 'audio/MP4A-LATM'
Sending request: SETUP rtsp://10.123.10.30:9999/ RTSP/1.0
CSeq: 9
Transport: RTP/AVP;unicast;client_port=8888-8889
User-Agent: VLC media player (LIVE555 Streaming Media v2007.02.20)


Received SETUP response: RTSP/1.0 200 OK
CSeq: 9
Date: 02 May 12:57:38 Romance Daylight Time
Session: 0
Transport: RTP/AVP;unicast;client_port=8888-8889;server_port=8888-8889


[00000352] live555 demuxer debug: RTP subsession 'video/H264'
Sending request: SETUP rtsp://10.123.10.30:9999/ RTSP/1.0
CSeq: 10
Transport: RTP/AVP;unicast;client_port=8890-8891
Session: 0
User-Agent: VLC media player (LIVE555 Streaming Media v2007.02.20)


Received SETUP response: RTSP/1.0 200 OK
CSeq: 10
Date: 02 May 12:57:38 Romance Daylight Time
Session: 1
Transport: RTP/AVP;unicast;client_port=8890-8891;server_port=8890-8891


Sending request: PLAY rtsp://10.123.10.30:9999 RTSP/1.0
CSeq: 11
Session: 1
Range: npt=0.000-
User-Agent: VLC media player (LIVE555 Streaming Media v2007.02.20)


Received PLAY response: RTSP/1.0 200 OK
CSeq: 11
Session: 2
Range: npt=0.000-


[00000351] main input debug: selecting program id=0
[00000352] main demuxer debug: using access_demux module "live555"
[00000351] main input debug: looking for a subtitle file in C:\Program Fil
es\VideoLAN\VLC\
[00000353] main decoder debug: looking for decoder module: 28 candidates
[00000353] main decoder debug: using decoder module "faad"
[00000353] main decoder debug: thread 4200 (decoder) created at priority 2
 (input/decoder.c:159)
[00000354] main decoder debug: looking for decoder module: 28 candidates
[00000354] ffmpeg decoder debug: libavcodec already initialized
[00000354] ffmpeg decoder debug: postprocessing disabled
[00000354] ffmpeg decoder debug: ffmpeg codec (h264) started
[00000354] main decoder debug: using decoder module "ffmpeg"
[00000355] main packetizer debug: looking for packetizer module: 17 candid
ates
[00000355] main packetizer debug: using packetizer module "packetizer_h264
"
[00000354] main decoder debug: thread 4168 (decoder) created at priority 0
 (input/decoder.c:159)
[00000351] main input debug: `rtsp://10.123.10.30:9999' successfully opene
d
[00000351] main input warning: clock gap, unexpected stream discontinuity
[00000355] packetizer_h264 packetizer warning: waiting for SPS/PPS
[00000351] main input warning: clock gap, unexpected stream discontinuity
[00000351] main input warning: clock gap, unexpected stream discontinuity
MultiFramedRTPSource::doGetNextFrame1(): The total received frame size exc
eeds the client's buffer size (65536).  58 bytes of trailing data will be
dropped!
[00000352] live555 demuxer debug: lost 58 bytes
[00000352] live555 demuxer debug: increasing buffer size to 131072
[00000355] packetizer_h264 packetizer warning: waiting for SPS/PPS
MultiFramedRTPSource::doGetNextFrame1(): The total received frame size exc
eeds the client's buffer size (131072).  18 bytes of trailing data will be
 dropped!
[00000352] live555 demuxer debug: lost 18 bytes
[00000352] live555 demuxer debug: increasing buffer size to 262144
MultiFramedRTPSource::doGetNextFrame1(): The total received frame size exc
eeds the client's buffer size (262144).  23 bytes of trailing data will be
 dropped!
[00000352] live555 demuxer debug: lost 23 bytes
[00000352] live555 demuxer debug: increasing buffer size to 524288
[00000355] packetizer_h264 packetizer warning: waiting for SPS/PPS
MultiFramedRTPSource::doGetNextFrame1(): The total received frame size exc
eeds the client's buffer size (524288).  28 bytes of trailing data will be
 dropped!
[00000352] live555 demuxer debug: lost 28 bytes
[00000352] live555 demuxer debug: increasing buffer size to 1048576
[00000355] packetizer_h264 packetizer warning: waiting for SPS/PPS
[00000355] packetizer_h264 packetizer warning: waiting for SPS/PPS



Can anyone tell me what the problem is? 

-- 
Kim Schulz

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