Am Fr., 25. Okt. 2019 um 02:24 Uhr schrieb <ckenn...@ellation.com>:
> +// convert from avframe to iplimage format
> +static void fill_iplimage_from_frame(IplImage *img, const AVFrame *frame,
> enum AVPixelFormat pixfmt)
> +{
> + IplImage *tmpimg;
> + int depth, channels_nb;
> +
> + if (pixfmt == AV_PIX_FMT_GRAY8) { depth = IPL_DEPTH_8U;
> channels_nb = 1; }
> + else if (pixfmt == AV_PIX_FMT_BGRA) { depth = IPL_DEPTH_8U;
> channels_nb = 4; }
> + else if (pixfmt == AV_PIX_FMT_BGR24) { depth = IPL_DEPTH_8U;
> channels_nb = 3; }
> + else if (pixfmt == AV_PIX_FMT_YUV420P) { depth = IPL_DEPTH_8U;
> channels_nb = 3; }
> + else return;
> +
> + tmpimg = cvCreateImageHeader((CvSize){frame->width, frame->height},
> depth, channels_nb);
> + *img = *tmpimg;
> + img->imageData = img->imageDataOrigin = (char *) frame->data[0];
How did you test YUV420P?
Carl Eugen
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