[Bug 681605] Playback quality degrades over time when playing a MPEG TS live stream (UDP)

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Mon Jun 10 23:26:24 PDT 2013


https://bugzilla.gnome.org/show_bug.cgi?id=681605
  GStreamer | gst-plugins-bad | git

Jason Pinto <raju.babannavar> changed:

           What    |Removed                     |Added
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                 CC|                            |raju.babannavar at gmail.com

--- Comment #2 from Jason Pinto <raju.babannavar at gmail.com> 2013-06-11 06:26:15 UTC ---
hi,

I am using gstreamer version 1.0.4. I am also seeing similar kind of symptoms
in my pipeline. Any updates on this bug. my pipeline is given below.

gst-launch-1.0 udpsrc port=<in port> ! decodebin ! deinterlace mode=0 fields=1
method=4 tff=0 ! tee ! queue ! videoconvert ! videoscale !
video/x-raw,width=640,height=360 ! x264enc ! mpegtsmux ! udpsink host=<hostip>
port=<port>

I have given clear details of the input stream I am getting. Hope I will get
some ideas on this bug.

TS FILE DETAILS: 
======================================================== 
Format                                   : MPEG-TS 
Overall bit rate                         : 8 237 Kbps 

VIDEO 
------------------------------------------------------- 
ID                                       : 1002 (0x3EA) 
Menu ID                                  : 1200 (0x4B0) 
Format                                   : AVC 
Format/Info                              : Advanced Video Codec 
Format version                           : Version 2 
Format profile                           : Main at L4.0 
Format settings, CABAC                   : Yes 
Format settings, ReFrames                : 4 frames 
Codec ID                                 : 27 
Bit rate                                 : 7 312 Kbps 
Width                                    : 1 920 pixels 
Height                                   : 1 080 pixels 
Display aspect ratio                     : 16:9 
Frame rate                               : 25.000 fps 
Color space                              : YUV 
Chroma subsampling                       : 4:2:0 
Bit depth                                : 8 bits 
Scan type                                : Interlaced 
Scan order                               : Top Field First 
Bits/(Pixel*Frame)                       : 0.141 
Color primaries                          : BT.709-5, BT.1361, IEC 61966-2-4,
SMPTE RP177 
Transfer characteristics                 : BT.709-5, BT.1361 
Matrix coefficients                      : BT.709-5, BT.1361, IEC 61966-2-4
709, SMPTE RP177 

Audio #1 
------------------------------------------------------- 
ID                                       : 1003 (0x3EB) 
Menu ID                                  : 1200 (0x4B0) 
Format                                   : MPEG Audio 
Format version                           : Version 1 
Format profile                           : Layer 2 
Codec ID                                 : 4 
Bit rate mode                            : Constant 
Bit rate                                 : 128 Kbps 
Channel(s)                               : 2 channels 
Sampling rate                            : 48.0 KHz 
Compression mode                         : Lossy 
Delay relative to video                  : -630ms 
Language                                 : English 

Audio #2 
------------------------------------------------------- 
ID                                       : 1004 (0x3EC) 
Menu ID                                  : 1200 (0x4B0) 
Format                                   : AC-3 
Format/Info                              : Audio Coding 3 
Format profile                           : Layer 2 
Mode extension                           : ME (music and effects) 
Format settings, Endianness              : Big 
Codec ID                                 : 6 
Bit rate mode                            : Constant 
Bit rate                                 : 384 Kbps 
Channel(s)                               : 6 channels 
Channel positions                        : Front: L C R, Side: L R, LFE 
Sampling rate                            : 48.0 KHz 
Bit depth                                : 16 bits 
Compression mode                         : Lossy 
Delay relative to video                  : -781ms 
Stream size                              : 4.65 MiB (5%) 
Language                                 : Hindi 

Thanks in advance  
JasonP

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