espressif/esp_video

## 0.5.0

- Support multiple opening and controlling video device
- DVP video device supports gray format and using external XTAL
- Add more V4L2 control IDs
- Add video buffer flag V4L2_BUF_FLAG_ERROR when the video process has an error
- Add extended command to set or get sensor format
- Bind video device to specific index name, for more details refer to README.md
- Video device drops all buffer after calling the command VIDIOC_STREAMOFF
- Fix V4L2 control value checking error
- Optimize video core API parameters checking

### Enhancements

- Added V4L2 control IDs:
    ```
    V4L2_CID_GAIN
    V4L2_CID_EXPOSURE_ABSOLUTE
    V4L2_CID_EXPOSURE
    V4L2_CID_TEST_PATTERN
    ```
- Added extended commands:
    ```
    VIDIOC_S_SENSOR_FMT
    VIDIOC_G_SENSOR_FMT
    ```

## 0.4.0

- Support H.264 hardware encode video device
- Support JPEG hardware encode video device
- CSI video device supports to receive data directly from sensor, such RGB, YUV and so on
- Add option ESP_VIDEO_DISABLE_MIPI_CSI_DRIVER_BACKUP_BUFFER to disable MIPI-CSI driver backup buffer

## 0.3.0

- Support ESP32-P4 LCD_CAM DVP video device

## 0.2.0

- Support V4L2 `V4L2_MEMORY_USERPTR`
- Fix CSI video device stop issue
- Fix I2C clock frequency can't be used when input I2C handle

## 0.1.2

- Update the API and macro to support ESP-IDF new version

## 0.1.1

- Modify API `esp_video_create` and put camera device management from video core to hardware device driver

## 0.1.0

- Initial version for esp_video component

### Enhancements

- MIPI CSI video device
- Virtual file system to control video device
- Linux V4L2 commands mainly includes(actually not support commands' full features):

```
    VIDIOC_QUERYCAP

    VIDIOC_STREAMON
    VIDIOC_STREAMOFF

    VIDIOC_ENUM_FMT
    VIDIOC_G_FMT
    VIDIOC_S_FMT

    VIDIOC_REQBUFS
    VIDIOC_QUERYBUF
    VIDIOC_QBUF
    VIDIOC_DQBUF

    VIDIOC_G_EXT_CTRLS
    VIDIOC_S_EXT_CTRLS
    VIDIOC_QUERY_EXT_CTRL
```