struct v4l2_buffer { __u32 index; //缓存编号 enum v4l2_buf_type type; //视频捕获模式 __u32 bytesused; //缓存已使用空间大小 __u32 flags; //缓存当前状态 /* flags 为缓存当前状态(常见值有 V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE,分别代表当前缓存已经 映射、...
char name[V4L2_DEVICE_NAME_SIZE]; void (*notify)(struct v4l2_subdev *sd, unsigned int notification, void *arg); struct v4l2_ctrl_handler *ctrl_handler; struct v4l2_prio_state prio; struct mutex ioctl_lock; struct kref ref; void (*release)(struct v4l2_device *v4l2_dev); }; [cpp]...
- return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); -} - -static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct deinterlace_ctx *ctx = priv; - - return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); -} - -static int vidioc_dqbuf(struct fil...
Struct V4L2Source::Buffer Struct FrameData Struct InstrumentLabel Struct InstrumentTip Struct OverlayImageVis Struct VideoFrame Template Struct convert< NTV2Channel > Class TensorRtInference Class TensorRTInferenceLogger Class AJASource Class FormatConverter Class OpenGLRenderer...
To set the parameters for a *Video Output Overlay*, applications must initialize the ``flags`` field of a struct -struct :c:type:`v4l2_framebuffer`. Since the framebuffer is +:c:type:`v4l2_framebuffer`. Since the framebuffer is implemented on the TV card all other parameters are determ...
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gint NvDsSourceConfig::camera_v4l2_dev_node Definition at line 52 of file deepstream_sources.h. ◆ cuda_memory_type guint NvDsSourceConfig::cuda_memory_type Definition at line 71 of file deepstream_sources.h. ◆ dewarper_config NvDsDewarperConfig NvDsSourceConfig::dewarper_config Definit...
(), v4l2_receive_frame(), v4l2_receive_packet(), v4l2_send_frame(), v4l2_try_start(), vaapi_encode_alloc_output_buffer(), vaapi_encode_clear_old(), vaapi_encode_config_attributes(), vaapi_encode_create_recon_frames(), vaapi_encode_free_output_buffer(), vaapi_encode_get_next(), ...