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node-av / lib / avImageCopyToBuffer

Function: avImageCopyToBuffer() ​

avImageCopyToBuffer(dst, dstSize, srcData, srcLinesize, pixFmt, width, height, align): number

Defined in: src/lib/utilities.ts:625

Copy image to buffer.

Copies image data from separate planes to a single contiguous buffer.

Direct mapping to av_image_copy_to_buffer().

Parameters ​

dst ​

Buffer

Destination buffer

dstSize ​

number

Destination buffer size

srcData ​

Buffer<ArrayBufferLike>[] | null

Source data planes

srcLinesize ​

number[] | null

Source bytes per line

pixFmt ​

AVPixelFormat

Pixel format

width ​

number

Image width

height ​

number

Image height

align ​

number

Buffer alignment

Returns ​

number

Bytes written, or negative AVERROR

Example ​

typescript
const buffer = Buffer.alloc(bufferSize);
const written = avImageCopyToBuffer(
  buffer, bufferSize,
  srcPlanes, srcStrides,
  AV_PIX_FMT_YUV420P, 1920, 1080, 1
);

See ​

av_image_copy_to_buffer - FFmpeg Doxygen