[Bug 698049] New: omxh264enc openmax API ignore output bitrate on Raspberry Pi
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Mon Apr 15 03:30:18 PDT 2013
https://bugzilla.gnome.org/show_bug.cgi?id=698049
GStreamer | gst-omx | 1.0.6
Summary: omxh264enc openmax API ignore output bitrate on
Raspberry Pi
Classification: Platform
Product: GStreamer
Version: 1.0.6
OS/Version: Windows
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: gst-omx
AssignedTo: gstreamer-bugs at lists.freedesktop.org
ReportedBy: xlazom00 at gmail.com
QAContact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
omxh264enc has input parameter target-bitrate
But it looks like raspberry pi openmax API ignore it
as it don't generate stream with proper bitrate
If you change target-bitrate to any value
output bitrate is always same
all fine in this example
https://github.com/dickontoo/omxtx/blob/master/omxtx.c
test pipeline
gst-launch-1.0 -v uridecodebin uri="file:///home/pi/test2/input.ts" name=demux
! video/x-raw, format="I420", framerate=25/1, width=720, height=576 !
omxh264enc target-bitrate=500000 control-rate=2 ! video/x-h264, profile="high"
! mpegtsmux name=mux ! filesink location=output.ts demux. ! audio/x-raw,
format="S16LE", rate=48000, channels=2 ! voaacenc bitrate=96000 ! mux.
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