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This catalog contains the media data processing functions supported by Atlas, and each folder corresponds to different functions for users' reference. The directory structure and specific instructions are as follows.
| Sample | description | support chip |
|---|---|---|
| batchcrop | Crop interface, cut out, one picture with multiple frames | Ascend310，Ascend310P，Ascend910 |
| crop | Crop interface, cut out the image area that needs to be used from the input image | Ascend310 |
| cropandpaste | Cropandpaste interface, cut out the picture from the input picture, after the cut out picture is scaled, placed in the designated area of the user output picture | Ascend310 |
| ffmpegdecode | Example of calling ffmpeg interface to realize video frame cutting function | Ascend310 |
| jpegd | jpegd interface, to achieve the decoding of .jpg, .jpeg, .JPG, .JPEG pictures | Ascend310 |
| jpege | jpege interface, encoding YUV format pictures into picture files in JPEG compression format | Ascend310 |
| resize | resize interface. Zoom in and zoom out the image | Ascend310 |
| smallResolution_cropandpaste | cropandpaste interface. Cut out the specified input picture, and then paste the picture to the output picture | Ascend310，Ascend310P，Ascend910 |
| vdec | vdec interface, to achieve video decoding, output YUV420SP format (including NV12 and NV21) pictures | Ascend310 |
| vdecandvenc | vdec interface and venc interface, call dvpp's venc and vdec interface to realize video encoding function | Ascend310 |
| venc | venc interface, encode the original mp4 file data into a video stream in H264/H265 format | Ascend310 |
| venc_image | venc interface, encode a picture in YUV420SP NV12 format n times continuously to generate a video stream in H265 format | Ascend310，Ascend310P |