Hi,
It may not be shown correctly in gst-launch-1.0. You can change bitrate runtime. Please check the attachment and give it a try
$ g++ -Wall -std=c++11 test2.cpp -o test $(pkg-config --cflags --libs gstreamer-app-1.0)
nvidia@nvidia-desktop:~$ ./test
Using launch string: nvarguscamerasrc ! video/x-raw(memory:NVMM), width=1920, height=1080, framerate=30/1,format=(string)NV12 ! nvv4l2h264enc control-rate=1 name=video_enc ! video/x-h264,stream-format=byte-stream ! appsink name=mysink
Default bit rate is 2Mbps
Opening in BLOCKING MODE
NvMMLiteOpen : Block : BlockType = 4
===== NVMEDIA: NVENC =====
NvMMLiteBlockCreate : Block : BlockType = 4
GST_ARGUS: Creating output stream
CONSUMER: Waiting until producer is connected...
GST_ARGUS: Available Sensor modes :
GST_ARGUS: 2592 x 1944 FR = 29.999999 fps Duration = 33333334 ; Analog Gain range min 1.000000, max 16.000000; Exposure Range min 34000, max 550385000;
GST_ARGUS: 2592 x 1458 FR = 29.999999 fps Duration = 33333334 ; Analog Gain range min 1.000000, max 16.000000; Exposure Range min 34000, max 550385000;
GST_ARGUS: 1280 x 720 FR = 120.000005 fps Duration = 8333333 ; Analog Gain range min 1.000000, max 16.000000; Exposure Range min 22000, max 358733000;
GST_ARGUS: Running with following settings:
Camera index = 0
Camera mode = 1
Output Stream W = 2592 H = 1458
seconds to Run = 0
Frame Rate = 29.999999
GST_ARGUS: Setup Complete, Starting captures for 0 seconds
GST_ARGUS: Starting repeat capture requests.
CONSUMER: Producer has connected; continuing.
H264: Profile = 66, Level = 0
bitrate = 1964016 bps
bitrate = 1402816 bps
bitrate = 2135232 bps
bitrate = 2034696 bps
Change bit rate to 4Mbps
bitrate = 3695272 bps
bitrate = 3424664 bps
bitrate = 3963344 bps
bitrate = 4294328 bps
bitrate = 3840864 bps
bitrate = 3819248 bps
bitrate = 4085104 bps
bitrate = 4266448 bps
bitrate = 3933472 bps
bitrate = 4129880 bps
app sink receive eos
GST_ARGUS: Cleaning up
CONSUMER: Done Success
GST_ARGUS: Done Success
going to exit
test2.zip (1.7 KB)