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]...
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、...
- 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...
Since the framebuffer is +:c:type:`v4l2_framebuffer`. Since the framebuffer is implemented on the TV card all other parameters are determined by the driver. When an application calls :ref:`VIDIOC_S_FBUF <VIDIOC_G_FBUF>` with a pointer to this structure, the driver prepares for the ...
[TDA4 codec] Flags V4L2_BUF_FLAG_TIMESTAMP_COPY in struct v4l2_buffer not work Hi guys, I wrote a decoder reference to the tidec_decode source code. It works well except that I cannot get the timestamp set in output stream. I set the timestamp by using V4L2_BUF_FLAG_TIMESTAMP_COPY...
(), ff_snow_get_buffer(), ff_stream_add_bitstream_filter(), ff_thread_can_start_frame(), ff_thread_flush(), ff_v4l2_m2m_codec_full_reinit(), ff_vc1_parse_frame_header(), ff_wma_init(), ffmmal_init_decoder(), frame_worker_thread(), g726_reset(), get_buffer_internal(), ...
videobuf2_vmalloc btintel mac80211 [ 1736.331772] videobuf2_memops snd_hda_core snd_usbmidi_lib bluetooth snd_hwdep intel_rapl_msr snd_rawmidi joydev snd_seq_device videobuf2_v4l2 libarc4 kvm videobuf2_common jitterentropy_rng iwlwifi irqbypass dell_laptop rapl ledtrig_audio intel_cstate ...
> via_sensor_power_up(cam); > set_bit(CF_CONFIG_NEEDED, &cam->flags); > @@ -685,16 +688,19 @@ static int viacam_open(struct file *filp) > sizeof(struct videobuf_buffer), cam, NULL); > } > (cam->users)++; > +out: > mutex_unlock(&cam->lock); > - return 0; > +...