Fix a corner case in sws emulation

Originally committed as revision 5827 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago · 2793096fe3
parent 07bf2af864
commit 2793096fe3
1 changed files with 3 additions and 0 deletions
--- a/libavcodec/imgresample.c
+++ b/libavcodec/imgresample.c
@ -756,6 +756,9 @@ int sws_scale(struct SwsContext *ctx, uint8_t* src[], int srcStride[],
            res = -1;
            goto the_end;
        }
+    } else if (resampled_picture != &dst_pict) {
+        img_copy(&dst_pict, resampled_picture, current_pix_fmt,
+                        ctx->resampling_ctx->owidth, ctx->resampling_ctx->oheight);
    }

 the_end: