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Line 467: − − <code><s>gst-launch-1.0 nvv4l2camerasrc num-buffers=300 ! "video/x-raw(memory:NVMM),format=(string)UYVY, width=(int)1920, height=(int)1080" ! nvvidconv ! "video/x-raw(memory:NVMM),format=(string)I420" ! omxh264enc qp-range=20,20:20,20:-1,-1 ! matroskamux ! queue ! filesink location=videoname.mkv</s></code> − − <code><s>gst-launch-1.0 filesrc location=videoname.mkv ! matroskademux ! h264parse ! omxh264dec ! nvoverlaysink</s></code> Line 469:
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VEYE CS Camera for Jetson TX2/zh (view source)
Revision as of 15:18, 10 January 2022
, 15:18, 10 January 2022→系统状态检测
<code>subdev cssc132 X-003b bound</code>
<code>subdev cssc132 X-003b bound</code>
此外，检查/dev/videoX设备节点，应当是存在的。
* VEYE-MIP-IMX335型号
<code>dmesg | grep imx335</code>
应当有类似如下提示：
<code>camera id is VEYE-MIPI-IMX335</code>
<code>subdev veye_imx335 10-003b bound</code>
此外，检查/dev/videoX设备节点，应当是存在的。
此外，检查/dev/videoX设备节点，应当是存在的。
*视频录像1080p HD
*视频录像1080p HD
<code>gst-launch-1.0 nvv4l2camerasrc num-buffers=300 ! "video/x-raw(memory:NVMM),format=(string)UYVY, width=(int)1920, height=(int)1080" ! nvvidconv ! "video/x-raw(memory:NVMM),format=(string)NV12" ! nvv4l2h264enc control-rate=1 bitrate=10000000 ! h264parse ! qtmux ! filesink location=filename.mp4 -e</code>
<code>gst-launch-1.0 nvv4l2camerasrc num-buffers=300 ! "video/x-raw(memory:NVMM),format=(string)UYVY, width=(int)1920, height=(int)1080" ! nvvidconv ! "video/x-raw(memory:NVMM),format=(string)NV12" ! nvv4l2h264enc control-rate=1 bitrate=10000000 ! h264parse ! qtmux ! filesink location=filename.mp4 -e</code>
*录像回放
*录像回放
<code>gst-launch-1.0 filesrc location=filename.mp4 ! qtdemux ! queue ! h264parse ! nvv4l2decoder ! nvoverlaysink -e</code>
<code>gst-launch-1.0 filesrc location=filename.mp4 ! qtdemux ! queue ! h264parse ! nvv4l2decoder ! nvoverlaysink -e</code>
<code>gst-launch-1.0 v4l2src num-buffers=1 ! "video/x-raw,format=(string)UYVY, width=(int)1920, height=(int)1080" ! nvvidconv ! "video/x-raw(memory:NVMM),format=(string)I420" ! nvjpegenc ! filesink location=jpgname.jpg</code>
<code>gst-launch-1.0 v4l2src num-buffers=1 ! "video/x-raw,format=(string)UYVY, width=(int)1920, height=(int)1080" ! nvvidconv ! "video/x-raw(memory:NVMM),format=(string)I420" ! nvjpegenc ! filesink location=jpgname.jpg</code>
===== VEYE-MIPI-IMX335 的gstreamer例子 =====
由于VEYE-MIPI-IMX335仅支持几种特定的分辨率模式，其驱动我们采用了use_sensor_mode_id模式。
{| class="wikitable"
|+VEYE-MIPI-IMX335 mode
!./veye5_mipi_i2c.sh video mode
!v4l2-ctl sensor_mode
!video format
|-
|1
|0
|2592x1944@20fps
|-
|2
|1
|2592x1944@12.5fps
|-
|3
|2
|2560x1440@25fps
|-
|4
|3
|2560x1440@30fps
|}
* 准备工作
<code>sudo apt-get install v4l-utils</code>
参考下面一节，下载好veye5_mipi_i2c.sh工具。
* 2592x1944@20fps模式预览，帧率统计
<code>v4l2-ctl -d /dev/video0 --set-ctrl sensor_mode=0</code>
<code>./veye5_mipi_i2c.sh -w -f videomode -p1 1</code>
<code>v4l2-ctl -d /dev/video0 --set-ctrl preferred_stride=5376</code>
预览
<code>gst-launch-1.0 nvv4l2camerasrc device=/dev/video0 ! "video/x-raw(memory:NVMM), width=(int)2592, height=(int)1944" ! nvvidconv ! "video/x-raw(memory:NVMM),format=(string)I420" ! nvoverlaysink sync=false</code>
帧率统计
<code>gst-launch-1.0 nvv4l2camerasrc device=/dev/video0 ! "video/x-raw(memory:NVMM),format=(string)UYVY,width=(int)2592,height=(int)1944" ! nvvidconv ! "video/x-raw(memory:NVMM),format=(string)I420" ! fpsdisplaysink video-sink=fakesink -v</code>
* 2560x1440@30fps模式录像、抓拍
<code>v4l2-ctl -d /dev/video0 --set-ctrl sensor_mode=3</code>
<code>./veye5_mipi_i2c.sh -w -f videomode -p1 4</code>
<code>v4l2-ctl -d /dev/video0 --set-ctrl preferred_stride=5120</code>
录像
<code>gst-launch-1.0 nvv4l2camerasrc num-buffers=300 ! "video/x-raw(memory:NVMM),format=(string)UYVY, width=(int)2560, height=(int)1440" ! nvvidconv ! "video/x-raw(memory:NVMM),format=(string)NV12" ! nvv4l2h264enc control-rate=0 bitrate=10000000 ! h264parse ! qtmux ! filesink location=filename.mp4 -e</code>
录像回放
<code>gst-launch-1.0 filesrc location=filename.mp4 ! qtdemux ! queue ! h264parse ! nvv4l2decoder ! nvoverlaysink -e</code>
抓图
<code>gst-launch-1.0 v4l2src num-buffers=1 ! "video/x-raw,format=(string)UYVY, width=(int)2560, height=(int)1440" ! nvvidconv ! "video/x-raw(memory:NVMM),format=(string)I420" ! nvjpegenc ! filesink location=jpgname.jpg</code>
====视频控制软件包的使用====
====视频控制软件包的使用====