gbm_create_device(187): Info: backend name is: msm_drmSetting pipeline to PAUSED ...Pipeline is live and does not need PREROLL ...Setting pipeline to PLAYING ...New clock: GstSystemClock
##################################### MENU #####################################============================== Pipeline Controls==============================(0) NULL: Set the pipeline into NULL state(1) READY: Set the pipeline into READY state(2) PAUSED: Set the pipeline into PAUSED state(3) PLAYING: Set the pipeline into PLAYING state==================================== Other====================================(p) Plugin Mode: Choose a plugin which to control(q) Quit : Exit the applicationChoose an option:
3
拍摄快照
使用以下菜单步骤在录制视频的同时拍摄快照。
Menu Steps
(1) ready -> (3) Playing -> (p)Plugin Mode : Select (8)camerasrc -> (37) capture-image -> (1): still - Snapshot ->(1) Snapshot count ( 'guint' value for arg1)
4
停止并获取文件
要停止摄像头,按 Enter,按 b(返回),然后按 q(退出)。录制的视频文件和快照图像保存在 /opt/ 中。可在主机 PC 上运行以下 scp 命令从设备拉取录制内容:
gbm_create_device(187): Info: backend name is: msm_drmSetting pipeline to PAUSED ...Pipeline is live and does not need PREROLL ...Setting pipeline to PLAYING ...New clock: GstSystemClock
##################################### MENU #####################################============================== Pipeline Controls==============================(0) NULL: Set the pipeline into NULL state(1) READY: Set the pipeline into READY state(2) PAUSED: Set the pipeline into PAUSED state(3) PLAYING: Set the pipeline into PLAYING state==================================== Other====================================(p) Plugin Mode: Choose a plugin which to control(q) Quit : Exit the applicationChoose an option:
3
拍摄快照
使用以下菜单步骤在录制视频的同时拍摄快照。
Menu Steps
(1) ready -> (3) Playing -> (p)Plugin Mode : Select (11)camerasrc ->(38) capture-image -> (1): still - Snapshot ->(1) Snapshot count ( 'guint' value for arg1)
4
停止并获取文件
要停止摄像头,按 Enter,按 b(返回),然后按 q(退出)。录制的视频文件和快照图像保存在 /opt/ 中。可在主机 PC 上运行以下 scp 命令从设备拉取录制内容:
gbm_create_device(187): Info: backend name is: msm_drmSetting pipeline to PAUSED ...Pipeline is live and does not need PREROLL ...Setting pipeline to PLAYING ...New clock: GstSystemClock
##################################### MENU #####################################============================== Pipeline Controls==============================(0) NULL: Set the pipeline into NULL state(1) READY: Set the pipeline into READY state(2) PAUSED: Set the pipeline into PAUSED state(3) PLAYING: Set the pipeline into PLAYING state==================================== Other====================================(p) Plugin Mode: Choose a plugin which to control(q) Quit : Exit the applicationChoose an option:
3
拍摄快照
使用以下菜单步骤在录制视频的同时拍摄快照。
Menu Steps
(1) ready -> (3) Playing -> (p)Plugin Mode : Select (11)camerasrc ->(38) capture-image -> (1): still - Snapshot ->(1) Snapshot count ( 'guint' value for arg1)
4
停止并获取文件
要停止摄像头,按 Enter,按 b(返回),然后按 q(退出)。录制的视频文件和快照图像保存在 /opt/ 中。可在主机 PC 上运行以下 scp 命令从设备拉取录制内容:
gbm_create_device(187): Info: backend name is: msm_drmSetting pipeline to PAUSED ...Pipeline is live and does not need PREROLL ...Setting pipeline to PLAYING ...New clock: GstSystemClock
##################################### MENU #####################################============================== Pipeline Controls==============================(0) NULL: Set the pipeline into NULL state(1) READY: Set the pipeline into READY state(2) PAUSED: Set the pipeline into PAUSED state(3) PLAYING: Set the pipeline into PLAYING state==================================== Other====================================(p) Plugin Mode: Choose a plugin which to control(q) Quit : Exit the applicationChoose an option:
3
拍摄快照
使用以下菜单步骤在录制视频的同时拍摄快照。
Menu Steps
(1) ready -> (3) Playing -> (p)Plugin Mode : Select (11)camerasrc ->(38) capture-image -> (1): still - Snapshot ->(1) Snapshot count ( 'guint' value for arg1)
4
停止并获取文件
要停止摄像头,按 Enter,按 b(返回),然后按 q(退出)。录制的视频文件和快照图像保存在 /opt/ 中。可在主机 PC 上运行以下 scp 命令从设备拉取录制内容:
Using camera /base/soc@0/cci@ac4b000/i2c-bus@1/camera@1a as cam0 [0:15:01.067615799] [2155] INFO Camera camera.cpp:945 configuring streams:(0) 4056x3040-SRGGB10_CSI2Pcam0: Capture 10 frames
Linux 内核中的 V4L2 框架支持视频设备。它提供的 API 允许用户空间应用程序与摄像头和视频采集卡等设备交互。有关 V4L2 的更多信息,请访问 kernel.org。Qualcomm 在上游内核中为原始帧转储功能支持 V4L2 接口摄像头 ISP 驱动。
Using camera /base/soc@0/cci@ac4b000/i2c-bus@1/camera@1a as cam0 [0:15:01.067615799] [2155] INFO Camera camera.cpp:945 configuring streams:(0) 4056x3040-SRGGB10_CSI2Pcam0: Capture 10 frames
Linux 内核中的 V4L2 框架支持视频设备。它提供的 API 允许用户空间应用程序与摄像头和视频采集卡等设备交互。有关 V4L2 的更多信息,请访问 kernel.org。Qualcomm 在上游内核中为原始帧转储功能支持 V4L2 接口摄像头 ISP 驱动。
Using camera /base/soc@0/cci@ac4b000/i2c-bus@1/camera@1a as cam0 [0:15:01.067615799] [2155] INFO Camera camera.cpp:945 configuring streams:(0) 4056x3040-SRGGB10_CSI2Pcam0: Capture 10 frames
Linux 内核中的 V4L2 框架支持视频设备。它提供的 API 允许用户空间应用程序与摄像头和视频采集卡等设备交互。有关 V4L2 的更多信息,请访问 kernel.org。Qualcomm 在上游内核中为原始帧转储功能支持 V4L2 接口摄像头 ISP 驱动。
Using camera /base/soc@0/cci@ac4b000/i2c-bus@1/camera@1a as cam0 [0:15:01.067615799] [2155] INFO Camera camera.cpp:945 configuring streams:(0) 4056x3040-SRGGB10_CSI2Pcam0: Capture 10 frames
Linux 内核中的 V4L2 框架支持视频设备。它提供的 API 允许用户空间应用程序与摄像头和视频采集卡等设备交互。有关 V4L2 的更多信息,请访问 kernel.org。Qualcomm 在上游内核中为原始帧转储功能支持 V4L2 接口摄像头 ISP 驱动。
Using camera /base/soc@0/cci@ac4b000/i2c-bus@1/camera@1a as cam0 [0:15:01.067615799] [2155] INFO Camera camera.cpp:945 configuring streams:(0) 4056x3040-SRGGB10_CSI2Pcam0: Capture 10 frames
Qualcomm Linux 设备为符合 USB 视频类(UVC)标准的 USB 网络摄像头提供驱动支持。UVC 视频驱动将这些摄像头公开为 V4L2 视频设备,可通过 /dev/videoX 等字符设备节点访问。有关 USB 摄像头的使用,请参阅 USB 摄像头配置。示例应用程序 gst-usb-single-camera-app 可用于 USB 摄像头验证。