]> git.sesse.net Git - ffmpeg/blobdiff - libavfilter/vf_deshake.c
Merge commit 'c25fc5c2bb6ae8c93541c9427df3e47206d95152'
[ffmpeg] / libavfilter / vf_deshake.c
index 92fb1eabc17cdb62f5442fc0025f9306229f6c83..236c0d494fbccd60b83ba6e3e2a2f1ba9a0f8977 100644 (file)
@@ -51,6 +51,7 @@
 
 #include "avfilter.h"
 #include "formats.h"
+#include "internal.h"
 #include "video.h"
 #include "libavutil/common.h"
 #include "libavutil/mem.h"
@@ -425,16 +426,23 @@ static av_cold void uninit(AVFilterContext *ctx)
     av_freep(&deshake->avctx);
 }
 
-static int end_frame(AVFilterLink *link)
+static int filter_frame(AVFilterLink *link, AVFilterBufferRef *in)
 {
     DeshakeContext *deshake = link->dst->priv;
-    AVFilterBufferRef *in  = link->cur_buf;
-    AVFilterBufferRef *out = link->dst->outputs[0]->out_buf;
+    AVFilterLink *outlink = link->dst->outputs[0];
+    AVFilterBufferRef *out;
     Transform t = {{0},0}, orig = {{0},0};
     float matrix[9];
     float alpha = 2.0 / deshake->refcount;
     char tmp[256];
 
+    out = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
+    if (!out) {
+        avfilter_unref_bufferp(&in);
+        return AVERROR(ENOMEM);
+    }
+    avfilter_copy_buffer_ref_props(out, in);
+
     link->cur_buf = NULL; /* it is in 'in' now */
     if (deshake->cx < 0 || deshake->cy < 0 || deshake->cw < 0 || deshake->ch < 0) {
         // Find the most likely global motion for the current frame
@@ -520,30 +528,21 @@ static int end_frame(AVFilterLink *link)
     avfilter_transform(in->data[1], out->data[1], in->linesize[1], out->linesize[1], CHROMA_WIDTH(link), CHROMA_HEIGHT(link), matrix, INTERPOLATE_BILINEAR, deshake->edge);
     avfilter_transform(in->data[2], out->data[2], in->linesize[2], out->linesize[2], CHROMA_WIDTH(link), CHROMA_HEIGHT(link), matrix, INTERPOLATE_BILINEAR, deshake->edge);
 
+    // Cleanup the old reference frame
+    avfilter_unref_buffer(deshake->ref);
+
     // Store the current frame as the reference frame for calculating the
     // motion of the next frame
-    if (deshake->ref != NULL)
-        avfilter_unref_buffer(deshake->ref);
-
-    // Cleanup the old reference frame
     deshake->ref = in;
 
-    // Draw the transformed frame information
-    ff_draw_slice(link->dst->outputs[0], 0, link->h, 1);
-    return ff_end_frame(link->dst->outputs[0]);
-}
-
-static int draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
-{
-    return 0;
+    return ff_filter_frame(outlink, out);
 }
 
 static const AVFilterPad deshake_inputs[] = {
     {
         .name         = "default",
         .type         = AVMEDIA_TYPE_VIDEO,
-        .draw_slice   = draw_slice,
-        .end_frame    = end_frame,
+        .filter_frame = filter_frame,
         .config_props = config_props,
         .min_perms    = AV_PERM_READ | AV_PERM_PRESERVE,
     },
@@ -559,13 +558,11 @@ static const AVFilterPad deshake_outputs[] = {
 };
 
 AVFilter avfilter_vf_deshake = {
-    .name      = "deshake",
-    .description = NULL_IF_CONFIG_SMALL("Stabilize shaky video."),
-
-    .priv_size = sizeof(DeshakeContext),
-
-    .init = init,
-    .uninit = uninit,
+    .name          = "deshake",
+    .description   = NULL_IF_CONFIG_SMALL("Stabilize shaky video."),
+    .priv_size     = sizeof(DeshakeContext),
+    .init          = init,
+    .uninit        = uninit,
     .query_formats = query_formats,
     .inputs        = deshake_inputs,
     .outputs       = deshake_outputs,