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Médias (91)

Richard Stallman et le logiciel libre

19 octobre 2011, par kent1

Mis à jour : Mai 2013

Langue : français

Type : Texte

Tags : opensource, stallman, biographie, livre, framasoft

1
2
3
4
5
Stereo master soundtrack

17 octobre 2011, par kent1

Mis à jour : Octobre 2011

Langue : English

Type : Audio

Tags : creative commons, audio, Elephant dreams, soundtrack, flac

1
2
3
4
5
Elephants Dream - Cover of the soundtrack

17 octobre 2011, par kent1

Mis à jour : Octobre 2011

Langue : English

Type : Image

Tags : image, Elephant dreams, soundtrack

1
2
3
4
5
#7 Ambience

16 octobre 2011, par kent1

Mis à jour : Juin 2015

Langue : English

Type : Audio

Tags : creative commons, Musique, mp3, Elephant dreams, soundtrack

1
2
3
4
5
#6 Teaser Music

16 octobre 2011, par kent1

Mis à jour : Février 2013

Langue : English

Type : Audio

Tags : creative commons, Musique, mp3, Elephant dreams, soundtrack

1
2
3
4
5
#5 End Title

16 octobre 2011, par kent1

Mis à jour : Février 2013

Langue : English

Type : Audio

Tags : creative commons, Musique, mp3, Elephant dreams, soundtrack

1
2
3
4
5

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 16

Autres articles (64)

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Sur d’autres sites (6091)

vp9 : split x86 assembly in two files.

1er décembre 2013, par Ronald S. Bultje
```
vp9 : split x86 assembly in two files.
(And in future, loopfilter or intra pred could be put in their own

respective files also.)
```
- [D H] libavcodec/x86/Makefile
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Is there a media server which just receives any rtsp streams and serves them ?

7 mai 2015, par Given92

I have some rtmp streams served over nginx-rtmp-module and the number of them will be changed dynamically.

But for the limit of client, I have to serve them in rtsp protocol. Obviously, It’s not supported by nginx-rtmp-module. So I plan to run a rtsp server in the same device, and convert the rtmp stream into rtsp stream with ffmpeg, then send the rtsp stream to the rtsp server. So that client could play the stream from the rtsp server.

The trouble is that I could not found a stable server which just receive any rtsp streams and serve them.

There is an example that fits all my need but it’s a little unstable.

I run it in verbose mode and send stream with :

ffmpeg -i rtmp://localhost/<name> -codec copy -ar 44100 -ac 1 -f rtsp rtsp://localhost:5545/<name>

</name></name>

and play the stream with :

gst-launch-0.10 playbin2 uri=rtsp://<server>/<name>

</name></server>

The video does not appear and there are some repeated warnning like this :

WARNING: from element /GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstRtpVorbisDepay:rtpvorbisdepay0: Could not decode stream.

Additional debug info:

gstrtpvorbisdepay.c(633): gst_rtp_vorbis_depay_process (): /GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstRtpVorbisDepay:rtpvorbisdepay0:

When I try :

gst-launch-1.0 playbin uri=rtsp://<server>/<name>

</name></server>

it is stuck and no video appear :

Setting pipeline to PAUSED ...

Pipeline is live and does not need PREROLL ...

Progress: (open) Opening Stream

Progress: (connect) Connecting to rtsp://211.68.127.12/box

Progress: (open) Retrieving server options

Progress: (open) Retrieving media info

Progress: (request) SETUP stream 0

Progress: (request) SETUP stream 1

Progress: (open) Opened Stream

Setting pipeline to PLAYING ...

New clock: GstSystemClock

Progress: (request) Sending PLAY request

Progress: (request) Sending PLAY request

Progress: (request) Sent PLAY request

When I play with :

ffplay rtsp://<server>/<name>

</name></server>

The video appears but the quality depress me.

Here is the output :

```ffplay version 2.6.2 Copyright (c) 2003-2015 the FFmpeg developers

  built with gcc 4.9.2 (GCC) 20150304 (prerelease)

  configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-avisynth --enable-avresample --enable-fontconfig --enable-gnutls --enable-gpl --enable-libass --enable-libbluray --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-runtime-cpudetect --enable-shared --enable-swresample --enable-vdpau --enable-version3 --enable-x11grab

  libavutil      54. 20.100 / 54. 20.100

  libavcodec     56. 26.100 / 56. 26.100

  libavformat    56. 25.101 / 56. 25.101

  libavdevice    56.  4.100 / 56.  4.100

  libavfilter     5. 11.102 /  5. 11.102

  libavresample   2.  1.  0 /  2.  1.  0

  libswscale      3.  1.101 /  3.  1.101

  libswresample   1.  1.100 /  1.  1.100

  libpostproc    53.  3.100 / 53.  3.100

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets 0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 2 packets 0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

    Last message repeated 2 times

[h264 @ 0x7f97f4000cc0] ref 7 overflow

[h264 @ 0x7f97f4000cc0] error while decoding MB 19 23

[h264 @ 0x7f97f4000cc0] Cannot use next picture in error concealment

[h264 @ 0x7f97f4000cc0] concealing 615 DC, 615 AC, 615 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets 0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets 0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets 0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] Cannot use next picture in error concealment

[h264 @ 0x7f97f4000cc0] concealing 370 DC, 370 AC, 370 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

[h264 @ 0x7f97f4000cc0] ref 4 overflow

[h264 @ 0x7f97f4000cc0] error while decoding MB 37 23

[h264 @ 0x7f97f4000cc0] Cannot use next picture in error concealment

[h264 @ 0x7f97f4000cc0] concealing 597 DC, 597 AC, 597 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets 0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets 0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets 0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 3 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets 0KB sq=    0B f=0/0   

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets  0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

[h264 @ 0x7f97f4000cc0] Cannot use next picture in error concealment

[h264 @ 0x7f97f4000cc0] concealing 473 DC, 473 AC, 473 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets 0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets 0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] Cannot use next picture in error concealment

[h264 @ 0x7f97f4000cc0] concealing 564 DC, 564 AC, 564 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

[h264 @ 0x7f97f4000cc0] Cannot use next picture in error concealment

[h264 @ 0x7f97f4000cc0] concealing 605 DC, 605 AC, 605 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets 0KB sq=    0B f=0/0   

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets  0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 17 packets0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] ref 4 overflow

[h264 @ 0x7f97f4000cc0] error while decoding MB 27 20

[h264 @ 0x7f97f4000cc0] Cannot use next picture in error concealment

[h264 @ 0x7f97f4000cc0] concealing 742 DC, 742 AC, 742 MV errors in P frame

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 23 packets0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] out of range intra chroma pred mode at 9 4

[h264 @ 0x7f97f4000cc0] error while decoding MB 9 4

[h264 @ 0x7f97f4000cc0] concealing 1480 DC, 1480 AC, 1480 MV errors in I frame

[h264 @ 0x7f97f4000cc0] RTP: missed 7 packets 0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] Cannot use next picture in error concealment

[h264 @ 0x7f97f4000cc0] concealing 278 DC, 278 AC, 278 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets 0KB sq=    0B f=0/0   

    Last message repeated 2 times

[mp3 @ 0x7f97f4009280] RTP: missed 2 packets  0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

    Last message repeated 1 times

[h264 @ 0x7f97f4000cc0] RTP: missed 2 packets 0KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 5 packets

Input #0, rtsp, from 'rtsp://211.68.127.12/box':B sq=    0B f=0/0   

  Metadata:

    title           : 

  Duration: N/A, start: 0.000033, bitrate: N/A

    Stream #0:0: Video: h264 (Baseline), yuv420p(tv), 720x576 [SAR 1:1 DAR 5:4], 24 fps, 24 tbr, 90k tbn, 48 tbc

    Stream #0:1: Audio: mp3, 44100 Hz, mono, s16p, 56 kb/s

[h264 @ 0x7f97f4263d40] ref 7 overflow vq=  226KB sq=    0B f=0/0   

[h264 @ 0x7f97f4263d40] error while decoding MB 19 23

[h264 @ 0x7f97f4263d40] Cannot use next picture in error concealment

[h264 @ 0x7f97f4263d40] concealing 615 DC, 615 AC, 615 MV errors in P frame

[h264 @ 0x7f97f4264580] Cannot use next picture in error concealment

[h264 @ 0x7f97f4264580] concealing 370 DC, 370 AC, 370 MV errors in P frame

[h264 @ 0x7f97f41699a0] ref 4 overflow

[h264 @ 0x7f97f41699a0] error while decoding MB 37 23

[h264 @ 0x7f97f41699a0] Cannot use next picture in error concealment

[h264 @ 0x7f97f41699a0] concealing 597 DC, 597 AC, 597 MV errors in P frame

[h264 @ 0x7f97f4264580] Cannot use next picture in error concealment

[h264 @ 0x7f97f4264580] concealing 473 DC, 473 AC, 473 MV errors in P frame

[h264 @ 0x7f97f4264580] Cannot use next picture in error concealment

[h264 @ 0x7f97f4264580] concealing 564 DC, 564 AC, 564 MV errors in P frame

[h264 @ 0x7f97f41699a0] Cannot use next picture in error concealment

[h264 @ 0x7f97f41699a0] concealing 605 DC, 605 AC, 605 MV errors in P frame

[h264 @ 0x7f97f4264580] out of range intra chroma pred mode at 9 4  

[h264 @ 0x7f97f4264580] error while decoding MB 9 4

[h264 @ 0x7f97f4264580] concealing 1480 DC, 1480 AC, 1480 MV errors in I frame

[h264 @ 0x7f97f416a200] ref 4 overflow

[h264 @ 0x7f97f416a200] error while decoding MB 27 20

[h264 @ 0x7f97f416a200] Cannot use next picture in error concealment

[h264 @ 0x7f97f416a200] concealing 742 DC, 742 AC, 742 MV errors in P frame

[h264 @ 0x7f97f416a200] Cannot use next picture in error concealment

[h264 @ 0x7f97f416a200] concealing 278 DC, 278 AC, 278 MV errors in P frame

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets53KB sq=    0B f=0/0   

    Last message repeated 1 times

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets 60KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 10 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

    Last message repeated 2 times

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

[mp3 @ 0x7f97f4009280] overread, skip -5 enddists: -4 -4

[mp3 @ 0x7f97f4009280] overread, skip -7 enddists: -1 -1

[mp3 @ 0x7f97f4009280] overread, skip -5 enddists: -1 -1

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 2 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

    Last message repeated 3 times

[mp3 @ 0x7f97f4009280] overread, skip -7 enddists: -5 -5

[mp3 @ 0x7f97f4009280] overread, skip -5 enddists: -4 -4

    Last message repeated 1 times

[mp3 @ 0x7f97f4009280] overread, skip -9 enddists: -7 -7

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

[mp3 @ 0x7f97f4009280] overread, skip -7 enddists: -5 -5

[mp3 @ 0x7f97f4009280] overread, skip -10 enddists: -6 -6

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

    Last message repeated 2 times

[h264 @ 0x7f97f4000cc0] RTP: missed 2 packets

[mp3 @ 0x7f97f4009280] overread, skip -9 enddists: -7 -7

[mp3 @ 0x7f97f4009280] overread, skip -9 enddists: -6 -6

[mp3 @ 0x7f97f4009280] overread, skip -7 enddists: -3 -3

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

[h264 @ 0x7f97f416a200] Cannot use next picture in error concealment

[h264 @ 0x7f97f42630e0] Cannot use next picture in error concealment

[h264 @ 0x7f97f416a200] concealing 327 DC, 327 AC, 327 MV errors in P frame

[h264 @ 0x7f97f42630e0] concealing 327 DC, 327 AC, 327 MV errors in P frame

[h264 @ 0x7f97f4263d40] Cannot use next picture in error concealment

[h264 @ 0x7f97f4263d40] concealing 325 DC, 325 AC, 325 MV errors in P frame

[h264 @ 0x7f97f41699a0] Cannot use next picture in error concealment

[h264 @ 0x7f97f41699a0] concealing 371 DC, 371 AC, 371 MV errors in P frame

[mp3 @ 0x7f97f4009280] overread, skip -7 enddists: -4 -4 0B f=0/0   

[mp3 @ 0x7f97f4009280] overread, skip -5 enddists: -2 -2

[mp3 @ 0x7f97f4009280] overread, skip -9 enddists: -7 -7 0B f=0/0   

[mp3 @ 0x7f97f4009280] overread, skip -5 enddists: -2 -2

[h264 @ 0x7f97f4000cc0] RTP: missed 2 packets08KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets05KB sq=    0B f=0/0   

[h264 @ 0x7f97f4263d40] ref 3 overflow vq=  207KB sq=    0B f=0/0   

[h264 @ 0x7f97f4263d40] error while decoding MB 20 34

[h264 @ 0x7f97f4263d40] Cannot use next picture in error concealment

[h264 @ 0x7f97f4263d40] concealing 119 DC, 119 AC, 119 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

    Last message repeated 1 times

[mp3 @ 0x7f97f4009280] overread, skip -9 enddists: -2 -2 0B f=0/0   

[h264 @ 0x7f97f4263d40] out of range intra chroma pred mode at 37 23

[h264 @ 0x7f97f4263d40] error while decoding MB 37 23

[h264 @ 0x7f97f4263d40] Cannot use next picture in error concealment

[h264 @ 0x7f97f4263d40] concealing 597 DC, 597 AC, 597 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 2 packets

[mp3 @ 0x7f97f4009280] overread, skip -7 enddists: -2 -2 0B f=0/0   

[mp3 @ 0x7f97f4009280] overread, skip -7 enddists: -3 -3

[mp3 @ 0x7f97f4009280] overread, skip -5 enddists: -4 -4

[h264 @ 0x7f97f4000cc0] RTP: missed 16 packets

[h264 @ 0x7f97f41699a0] Cannot use next picture in error concealment

[h264 @ 0x7f97f41699a0] concealing 435 DC, 435 AC, 435 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

    Last message repeated 1 times

[mp3 @ 0x7f97f4009280] RTP: missed 2 packets211KB sq=    0B f=0/0   

[mp3 @ 0x7f97f4009280] overread, skip -9 enddists: -2 -2

[mp3 @ 0x7f97f4009280] overread, skip -5 enddists: -2 -2

[mp3 @ 0x7f97f4009280] overread, skip -7 enddists: -6 -6

[h264 @ 0x7f97f42630e0] Cannot use next picture in error concealment

[h264 @ 0x7f97f42630e0] concealing 519 DC, 519 AC, 519 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

    Last message repeated 1 times

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets158KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 8 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets58KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets55KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets55KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets56KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets66KB sq=    0B f=0/0   

[h264 @ 0x7f97f416a200] ref 11 overflowvq=  158KB sq=    0B f=0/0   

[h264 @ 0x7f97f416a200] error while decoding MB 13 29

[h264 @ 0x7f97f416a200] Cannot use next picture in error concealment

[h264 @ 0x7f97f416a200] concealing 351 DC, 351 AC, 351 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets54KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets61KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 6 packets57KB sq=    0B f=0/0   

[mp3 @ 0x7f97f4009280] overread, skip -7 enddists: -2 -2 0B f=0/0   

[mp3 @ 0x7f97f4009280] overread, skip -8 enddists: -5 -5

[h264 @ 0x7f97f416a200] out of range intra chroma pred mode at 34 8 

[h264 @ 0x7f97f416a200] error while decoding MB 34 8

[h264 @ 0x7f97f416a200] concealing 1275 DC, 1275 AC, 1275 MV errors in I frame

[h264 @ 0x7f97f4264580] Cannot use next picture in error concealment

[h264 @ 0x7f97f4264580] concealing 327 DC, 327 AC, 327 MV errors in P frame

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets152KB sq=    0B f=0/0   

[mp3 @ 0x7f97f4009280] overread, skip -7 enddists: -5 -5 0B f=0/0   

[mp3 @ 0x7f97f4009280] overread, skip -9 enddists: -5 -5 0B f=0/0   

[h264 @ 0x7f97f42630e0] P sub_mb_type 12 out of range at 9 26=0/0   

[h264 @ 0x7f97f42630e0] error while decoding MB 9 26

[h264 @ 0x7f97f42630e0] Cannot use next picture in error concealment

[h264 @ 0x7f97f42630e0] concealing 490 DC, 490 AC, 490 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 3 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 10 packets3KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets29KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets16KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 2 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 2 packets21KB sq=    0B f=0/0   

[h264 @ 0x7f97f42630e0] Cannot use next picture in error concealment

[h264 @ 0x7f97f42630e0] concealing 513 DC, 513 AC, 513 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets19KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets27KB sq=    0B f=0/0   

    Last message repeated 1 times

[h264 @ 0x7f97f4000cc0] RTP: missed 2 packets32KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 3 packets

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets135KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 2 packets

[mp3 @ 0x7f97f4009280] overread, skip -9 enddists: -2 -2

[mp3 @ 0x7f97f4009280] overread, skip -5 enddists: -4 -4 0B f=0/0   

[h264 @ 0x7f97f4264580] Cannot use next picture in error concealment

[h264 @ 0x7f97f4264580] concealing 230 DC, 230 AC, 230 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 4 packets21KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 3 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 2 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets05KB sq=    0B f=0/0   

    Last message repeated 3 times

[h264 @ 0x7f97f4000cc0] RTP: missed 7 packets16KB sq=    0B f=0/0   

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets

[h264 @ 0x7f97f4263d40] ref 13 overflowvq=  110KB sq=    0B f=0/0   

[h264 @ 0x7f97f4263d40] error while decoding MB 12 33

[h264 @ 0x7f97f4263d40] Cannot use next picture in error concealment

[h264 @ 0x7f97f4263d40] concealing 172 DC, 172 AC, 172 MV errors in P frame

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets12KB sq=    0B f=0/0   

    Last message repeated 2 times

[h264 @ 0x7f97f416a200] Cannot use next picture in error concealment

[h264 @ 0x7f97f416a200] concealing 414 DC, 414 AC, 414 MV errors in P frame

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets116KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

    Last message repeated 1 times

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets12KB sq=    0B f=0/0   

[h264 @ 0x7f97f4000cc0] RTP: missed 6 packets

[h264 @ 0x7f97f4000cc0] RTP: missed 1 packets

[mp3 @ 0x7f97f4009280] RTP: missed 1 packets126KB sq=    0B f=0/0   

[h264 @ 0x7f97f4263d40] Cannot use next picture in error concealment

[h264 @ 0x7f97f4263d40] concealing 327 DC, 327 AC, 327 MV errors in P frame

[mp3 @ 0x7f97f4009280] overread, skip -7 enddists: -1 -1 0B f=0/0   

[mp3 @ 0x7f97f4009280] overread, skip -5 enddists: -4 -4

[mp3 @ 0x7f97f4009280] overread, skip -7 enddists: -6 -6

^C[h264 @ 0x7f97f4263d40] ref 7 overflowq=  107KB sq=    0B f=0/0   

[h264 @ 0x7f97f4263d40] error while decoding MB 8 24

[h264 @ 0x7f97f4263d40] Cannot use next picture in error concealment

[h264 @ 0x7f97f4263d40] concealing 581 DC, 581 AC, 581 MV errors in P frame

I’m not sure whether ffmpeg or rtsp-server is the problem, does anyone have some ideas ?

Thanks very much.

FFMPEG subtitle always delay 1 frame

6 janvier 2019, par lostincomputer2
I encounter problems encoding video that I ripped from DVD, after ripping the video size is around 300MB and it plays well and subtitle sync well, then I want a smaller size for tablet and encode it using ffmpeg and the result is around 100MB but the subtitle will always late for 1 frame
```
# ffmpeg -i "Original.mkv" -level 5.1 -preset veryslow -tune animation -keyint_min 12 -sc_threshold 45 -bf 8 -b_strategy 2 -refs 16 -qmin 10 -qmax 51 -qcomp 0.6 -direct-pred auto -me_range 24 -me_method umh -subq 10 -trellis 2 -an -sn -vcodec libx264 -crf 28.0 output1.mkv

# ffmpeg -i "Original.mkv" -f wav -| neroAacEnc -ignorelength -lc -q 0.4 -if - -of output2.aac

# mkvmerge -o outputFF.mkv --language "0:jpn" --track-name "0:SmallAnime Encode @ CRF 28.0" output1.mkv --no-chapters --language "0:jpn" --track-name "0:2.0 AAC-LC @ 0.4" output2.aac -A -D --language "2:eng" --track-name "2:Styled Subtitle (.ass)" "Original.mkv"
```
In aegis sub, the video looks well which the subtitle appear normally, however when played using MPC, the subtitle always late 1 frame

Aegis show correctly screenshot : http://puu.sh/6N2gy

Play using MPC problems : http://puu.sh/6N38E.jpg

Anyone know why this happens ? The ffmpeg uses libx264 video codec and it is configured using bit depth=10. The OS I am using is CentOS 6.4

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