[gstreamer-bugs] [Bug 621465] New: Video codec information copied incorrectly to output
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Sun Jun 13 09:45:31 PDT 2010
https://bugzilla.gnome.org/show_bug.cgi?id=621465
GStreamer | don't know | 0.10.x
Summary: Video codec information copied incorrectly to output
Classification: Desktop
Product: GStreamer
Version: 0.10.x
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: don't know
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: danielgtaylor at gmail.com
QAContact: gstreamer-bugs at lists.sourceforge.net
GNOME target: ---
GNOME version: ---
This is an issue a user has experienced with Arista Transcoder. Original issue
can be seen here:
http://github.com/danielgtaylor/arista/issues#issue/12
The issue is with this file:
http://ia331209.us.archive.org/0/items/Patent_Absurdity/Patent_Absurdity_LQ_350kbit.ogv
When transcoded to H.264/AAC in MP4, the output container seems to contain
copied values from the input container and this makes other GStreamer-based
applications report the file's video stream as Theora when in reality it is
H.264. FFmpeg and such report the video stream properly as H.264.
The command being run internally is similar to:
gst-launch-0.10 uridecodebin
uri="file:///home/dan/Projects/arista/Patent_Absurdity_LQ_350kbit.ogv"
name=dmux qtmux name=mux ! queue ! filesink name=sink
location="/home/dan/Desktop/Patent_Absurdity_LQ_350kbit.mp4" dmux. ! queue !
ffmpegcolorspace ! videorate ! videoscale ! video/x-raw-yuv, width=\(int\)400,
height=\(int\)224, framerate=\(fraction\)30000/1001,
pixel-aspect-ratio=\(fraction\)1/1\; video/x-raw-rgb, width=\(int\)400,
height=\(int\)224, framerate=\(fraction\)30000/1001,
pixel-aspect-ratio=\(fraction\)1/1 ! videobox top=-8 bottom=-8 ! x264enc
pass=qual quantizer=21 me=umh subme=6 ref=3 threads=0 ! tee name=videotee !
queue ! mux.video_%d dmux. ! queue ! audioconvert ! audiorate ! audioresample !
audio/x-raw-int, width=\(int\)[ 8, 24 ], depth=\(int\)[ 8, 24 ], rate=\(int\)[
8000, 96000 ], channels=\(int\)[ 1, 6 ]\; audio/x-raw-float, width=\(int\)[ 8,
24 ], depth=\(int\)[ 8, 24 ], rate=\(int\)[ 8000, 96000 ], channels=\(int\)[ 1,
6 ] ! faac bitrate=192000 ! mux.audio_%d
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