for (i = 0; i <= blocksize * 2; i++) {
// We use a width of 16 here to match the sad function
for (j = 0; j <= 15; j++) {
- pos = (y - i) * stride + (x - j);
+ pos = (y + i) * stride + (x + j);
if (src[pos] < lowest)
lowest = src[pos];
else if (src[pos] > highest) {
{
DeshakeContext *deshake = ctx->priv;
- deshake->sad = av_pixelutils_get_sad_fn(4, 4, 1, deshake); // 16x16, 2nd source unaligned
- if (!deshake->sad)
- return AVERROR(EINVAL);
-
deshake->refcount = 20; // XXX: add to options?
deshake->blocksize /= 2;
deshake->blocksize = av_clip(deshake->blocksize, 4, 128);
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
const int chroma_width = AV_CEIL_RSHIFT(link->w, desc->log2_chroma_w);
const int chroma_height = AV_CEIL_RSHIFT(link->h, desc->log2_chroma_h);
+ int aligned;
+ float transform_zoom;
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
}
av_frame_copy_props(out, in);
+ aligned = !((intptr_t)in->data[0] & 15 | in->linesize[0] & 15);
+ deshake->sad = av_pixelutils_get_sad_fn(4, 4, aligned, deshake); // 16x16, 2nd source unaligned
+ if (!deshake->sad)
+ return AVERROR(EINVAL);
+
if (deshake->cx < 0 || deshake->cy < 0 || deshake->cw < 0 || deshake->ch < 0) {
// Find the most likely global motion for the current frame
find_motion(deshake, (deshake->ref == NULL) ? in->data[0] : deshake->ref->data[0], in->data[0], link->w, link->h, in->linesize[0], &t);
deshake->last.angle = t.angle;
deshake->last.zoom = t.zoom;
+ transform_zoom = 1.0 + t.zoom / 100.0;
+
// Generate a luma transformation matrix
- avfilter_get_matrix(t.vec.x, t.vec.y, t.angle, 1.0 + t.zoom / 100.0, matrix_y);
+ ff_get_matrix(t.vec.x, t.vec.y, t.angle, transform_zoom, transform_zoom, matrix_y);
// Generate a chroma transformation matrix
- avfilter_get_matrix(t.vec.x / (link->w / chroma_width), t.vec.y / (link->h / chroma_height), t.angle, 1.0 + t.zoom / 100.0, matrix_uv);
+ ff_get_matrix(t.vec.x / (link->w / chroma_width), t.vec.y / (link->h / chroma_height), t.angle, transform_zoom, transform_zoom, matrix_uv);
// Transform the luma and chroma planes
ret = deshake->transform(link->dst, link->w, link->h, chroma_width, chroma_height,
matrix_y, matrix_uv, INTERPOLATE_BILINEAR, deshake->edge, in, out);