[Libav-user] Problema with RTP stream (h264)
Rafa Lopez
rafaware at gmail.com
Tue Oct 15 13:21:25 CEST 2013
Hi all
I am using lattest ffmpeg (2.0.2) with a rtsp stream in h264. I want to
save decoded images from stream:
./ffmpeg -i "rtsp://192.168.0.95:554/profile1" -y %6d.jpg -log-level debug
The problem is that I always get corrupt images (example attached). I think
the problem is
[h264 @ 0x1c28d60] RTP: missed 146 packets
[AVIOContext @ 0x7f3190016d20] Statistics: 0 seeks, 3 writeouts
[h264 @ 0x1f82300] concealing 2237 DC, 2237 AC, 2237 MV errors in I frame
[h264 @ 0x1fc7160] Frame num gap 8 6
RTP missed packets. I attach the full log. Anyone can help me?
Thanks in advance
Best Regards
Rafa L.
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./ffmpeg -i "rtsp://root:camera@192.168.0.95:554/profile1" -y %6d.jpg -loglevel debug
ffmpeg version 2.0.2 Copyright (c) 2000-2013 the FFmpeg developers
built on Oct 15 2013 12:00:31 with gcc 4.4.5 (Debian 4.4.5-8)
configuration: --prefix=/opt/ffmpeg-2.0.2 --arch=x86_64 --target-os=linux --enable-pic --enable-shared
libavutil 52. 38.100 / 52. 38.100
libavcodec 55. 18.102 / 55. 18.102
libavformat 55. 12.100 / 55. 12.100
libavdevice 55. 3.100 / 55. 3.100
libavfilter 3. 79.101 / 3. 79.101
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
Splitting the commandline.
Reading option '-i' ... matched as input file with argument 'rtsp://root:camera@192.168.0.95:554/profile1'.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Reading option '%6d.jpg' ... matched as output file.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option y (overwrite output files) with argument 1.
Applying option loglevel (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input file rtsp://root:camera@192.168.0.95:554/profile1.
Successfully parsed a group of options.
Opening an input file: rtsp://root:camera@192.168.0.95:554/profile1.
[rtsp @ 0x1c24880] SDP:
v=0
o=- 0 0 IN IP4 192.168.0.95
s=rtsp://192.168.0.95/profile1
c=IN IP4 0.0.0.0
t=0 0
m=application 0 RTP/AVP 122
a=rtpmap:122 vnd.onvif.metadata/90000
a=control:rtsp://192.168.0.95/profile1/METAEnc
m=audio 0 RTP/AVP 0
a=rtpmap:0 PCMU/8000/1
a=control:rtsp://192.168.0.95/profile1/G711Enc
m=video 0 RTP/AVP 99
a=rtpmap:99 H264/90000
a=fmtp:99 sprop-parameter-sets=Z0LgKdoBQB5puAgIMBAAAA==,aM48gA==;packetization-mode=1;profile-level-id=42e029
a=control:rtsp://192.168.0.95/profile1/AVCESEnc
a=framerate:30.0
[rtsp @ 0x1c24880] audio codec set to: pcm_mulaw
[rtsp @ 0x1c24880] audio samplerate set to: 8000
[rtsp @ 0x1c24880] audio channels set to: 1
[rtsp @ 0x1c24880] video codec set to: h264
[NULL @ 0x1c28d60] Extradata set to 0x1c26a60 (size: 28)!
[NULL @ 0x1c28d60] RTP Packetization Mode: 1
[NULL @ 0x1c28d60] RTP Profile IDC: 42 Profile IOP: e0 Level: 29
[rtsp @ 0x1c24880] hello state=0
[h264 @ 0x1c28d60] Current profile doesn't provide more RBSP data in PPS, skipping
[rtsp @ 0x1c24880] All info found
rfps: 29.416667 0.019897
rfps: 29.500000 0.016543
rfps: 29.583333 0.013703
rfps: 29.666667 0.011375
rfps: 29.750000 0.009560
Last message repeated 1 times
rfps: 29.833333 0.008258
Last message repeated 1 times
rfps: 29.916667 0.007469
Last message repeated 1 times
rfps: 30.000000 0.007193
Last message repeated 1 times
rfps: 30.083333 0.007429
rfps: 30.166667 0.008179
rfps: 30.250000 0.009441
rfps: 30.333333 0.011217
rfps: 30.416667 0.013505
rfps: 30.500000 0.016306
rfps: 30.583333 0.019620
rfps: 44.833333 0.019723
rfps: 44.916667 0.019509
Last message repeated 1 times
rfps: 45.000000 0.019809
Last message repeated 1 times
rfps: 29.970030 0.007233
Last message repeated 1 times
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, rtsp, from 'rtsp://root:camera@192.168.0.95:554/profile1':
Metadata:
title : rtsp://192.168.0.95/profile1
Duration: N/A, start: 0.177000, bitrate: 64 kb/s
Stream #0:0, 0, 1/90000: Data: none, 0/1
Stream #0:1, 18, 1/8000: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
Stream #0:2, 28, 1/90000: Video: h264 (Constrained Baseline), yuvj420p, 1280x960, 1/180000, 30 tbr, 90k tbn, 180k tbc
Successfully opened the file.
Parsing a group of options: output file %6d.jpg.
Successfully parsed a group of options.
Opening an output file: %6d.jpg.
Successfully opened the file.
detected 4 logical cores
[graph 0 input from stream 0:2 @ 0x1dbc000] Setting 'video_size' to value '1280x960'
[graph 0 input from stream 0:2 @ 0x1dbc000] Setting 'pix_fmt' to value '12'
[graph 0 input from stream 0:2 @ 0x1dbc000] Setting 'time_base' to value '1/90000'
[graph 0 input from stream 0:2 @ 0x1dbc000] Setting 'pixel_aspect' to value '0/1'
[graph 0 input from stream 0:2 @ 0x1dbc000] Setting 'sws_param' to value 'flags=2'
[graph 0 input from stream 0:2 @ 0x1dbc000] Setting 'frame_rate' to value '30/1'
[graph 0 input from stream 0:2 @ 0x1dbc000] w:1280 h:960 pixfmt:yuvj420p tb:1/90000 fr:30/1 sar:0/1 sws_param:flags=2
[format @ 0x1d5c6e0] compat: called with args=[yuvj420p|yuvj422p|yuvj444p]
[format @ 0x1d5c6e0] Setting 'pix_fmts' to value 'yuvj420p|yuvj422p|yuvj444p'
[AVFilterGraph @ 0x1dbbf60] query_formats: 4 queried, 3 merged, 0 already done, 0 delayed
[mjpeg @ 0x1dbaea0] intra_quant_bias = 96 inter_quant_bias = 0
[mjpeg @ 0x1c151c0] intra_quant_bias = 96 inter_quant_bias = 0
[mjpeg @ 0x1c24200] intra_quant_bias = 96 inter_quant_bias = 0
[mjpeg @ 0x1d57060] intra_quant_bias = 96 inter_quant_bias = 0
[mjpeg @ 0x1c8b7e0] intra_quant_bias = 96 inter_quant_bias = 0
Output #0, image2, to '%6d.jpg':
Metadata:
title : rtsp://192.168.0.95/profile1
encoder : Lavf55.12.100
Stream #0:0, 0, 1/90000: Video: mjpeg, yuvj420p, 1280x960, 1/30, q=2-31, 200 kb/s, 90k tbn, 30 tbc
Stream mapping:
Stream #0:2 -> #0:0 (h264 -> mjpeg)
Press [q] to stop, [?] for help
[AVIOContext @ 0x7f3198266ae0] Statistics: 0 seeks, 3 writeouts
[AVIOContext @ 0x7f31986a1f00] Statistics: 0 seeks, 3 writeouts
[AVIOContext @ 0x7f319869a460] Statistics: 0 seeks, 3 writeouts
[AVIOContext @ 0x7f31986a3ec0] Statistics: 0 seeks, 3 writeouts
[AVIOContext @ 0x3cf1c00] Statistics: 0 seeks, 4 writeouts
[AVIOContext @ 0x40967a0] Statistics: 0 seeks, 4 writeouts
[AVIOContext @ 0x457a3c0] Statistics: 0 seeks, 4 writeouts
[AVIOContext @ 0x3016340] Statistics: 0 seeks, 5 writeouts
[AVIOContext @ 0x32e51c0] Statistics: 0 seeks, 4 writeouts
[AVIOContext @ 0x32e51c0] Statistics: 0 seeks, 5 writeouts
[AVIOContext @ 0x1dbc760] Statistics: 0 seeks, 4 writeouts
[AVIOContext @ 0x2bc2ec0] Statistics: 0 seeks, 5 writeouts
[AVIOContext @ 0x32e51c0] Statistics: 0 seeks, 5 writeouts
[AVIOContext @ 0x1dd7440] Statistics: 0 seeks, 4 writeouts
[AVIOContext @ 0x1dc8000] Statistics: 0 seeks, 4 writeouts
[AVIOContext @ 0x7f3190017660] Statistics: 0 seeks, 4 writeouts
[AVIOContext @ 0x7f31900169c0] Statistics: 0 seeks, 4 writeouts
[AVIOContext @ 0x7f31900166c0] Statistics: 0 seeks, 3 writeouts
[AVIOContext @ 0x7f3190016840] Statistics: 0 seeks, 4 writeouts
[AVIOContext @ 0x7f3190016860] Statistics: 0 seeks, 4 writeouts
[AVIOContext @ 0x7f3190016ac0] Statistics: 0 seeks, 4 writeouts
[AVIOContext @ 0x7f3190266f00] Statistics: 0 seeks, 3 writeouts
[h264 @ 0x1c28d60] RTP: missed 146 packets
[AVIOContext @ 0x7f3190016d20] Statistics: 0 seeks, 3 writeouts
[h264 @ 0x1f82300] concealing 2237 DC, 2237 AC, 2237 MV errors in I frame
[h264 @ 0x1fc7160] Frame num gap 8 6
[AVIOContext @ 0x7f3190018680] Statistics: 0 seeks, 3 writeouts
[AVIOContext @ 0x7f3190016d20] Statistics: 0 seeks, 3 writeouts
[AVIOContext @ 0x7f319025c740] Statistics: 0 seeks, 3 writeouts
[AVIOContext @ 0x7f3190016ac0] Statistics: 0 seeks, 3 writeouts
*** 6 dup!
[AVIOContext @ 0x7f3190016ac0] Statistics: 0 seeks, 3 writeouts
[AVIOContext @ 0x7f3190033960] Statistics: 0 seeks, 3 writeouts
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