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update(class/video/usbd_video): make payload fill api common

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sakumisu
2024-06-23 22:46:51 +08:00
parent 1decfd0365
commit c377ebfc61
7 changed files with 9 additions and 9 deletions
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docs/source/api/api_device.rst
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@@ -453,14 +453,14 @@ usbd_video_close
- **intf** 关闭的接口号
usbd_video_mjpeg_payload_fill
usbd_video_payload_fill
""""""""""""""""""""""""""""""""""""
``usbd_video_mjpeg_payload_fill`` 用来填充 mjpeg 到新的 buffer中，其中会对 mjpeg 数据按帧进行切分，切分大小由 ``dwMaxPayloadTransferSize`` 控制，并添加头部信息，当前头部字节数为 2。头部信息见 ``struct video_mjpeg_payload_header``
``usbd_video_payload_fill`` 用来填充 mjpeg 到新的 buffer中，其中会对 mjpeg 数据按帧进行切分，切分大小由 ``dwMaxPayloadTransferSize`` 控制，并添加头部信息，当前头部字节数为 2。头部信息见 ``struct video_mjpeg_payload_header``
.. code-block:: C
uint32_t usbd_video_mjpeg_payload_fill(uint8_t *input, uint32_t input_len, uint8_t *output, uint32_t *out_len);
uint32_t usbd_video_payload_fill(uint8_t *input, uint32_t input_len, uint8_t *output, uint32_t *out_len);
- **input** mjpeg 格式的数据包，从 FFD8~FFD9结束
- **input_len** mjpeg数据包大小