On Sun, Aug 02, 2015 at 05:35:59PM +0200, Paul B Mahol wrote:
> Signed-off-by: Paul B Mahol <one...@gmail.com>
> ---
> doc/filters.texi | 61 ++++++++
> libavfilter/Makefile | 1 +
> libavfilter/allfilters.c | 1 +
> libavfilter/vf_convolution.c | 337
> +++++++++++++++++++++++++++++++++++++++++++
> 4 files changed, 400 insertions(+)
> create mode 100644 libavfilter/vf_convolution.c
[...]
> + dst[x] = av_clip(sum, 0, 255);
[...]
> + for (x = 0; x < width; x++) {
> + int sum = 0;
> +
> + for (i = 0; i < 25; i++) {
> + sum += *(array[i] + x) * matrix[i];
> + }
> + sum = (int)(sum * rdiv + bias + 0.5f);> + dst[x] = av_clip(sum, 0, 255); av_clip_uint8() [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The real ebay dictionary, page 1 "Used only once" - "Some unspecified defect prevented a second use" "In good condition" - "Can be repaird by experienced expert" "As is" - "You wouldnt want it even if you were payed for it, if you knew ..."
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