[FFmpeg-devel] [PATCH 2/2] vble: use add_hfyu_median_prediction()

[Michael Niedermayer]

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
---
 libavcodec/vble.c |   30 +++++++++++-------------------
 1 files changed, 11 insertions(+), 19 deletions(-)

diff --git a/libavcodec/vble.c b/libavcodec/vble.c
index 70d8942..fe212fc 100644
--- a/libavcodec/vble.c
+++ b/libavcodec/vble.c
@@ -27,10 +27,12 @@
 #define ALT_BITSTREAM_READER_LE
 
 #include "avcodec.h"
+#include "dsputil.h"
 #include "get_bits.h"
 
 typedef struct {
     AVCodecContext *avctx;
+    DSPContext dsp;
 
     int            size;
     uint8_t        *val; ///< This array first holds the lengths of vlc symbols and then their value.
@@ -91,30 +93,19 @@ static void vble_restore_plane(VBLEContext *ctx, int plane, int offset,
     AVFrame *pic = ctx->avctx->coded_frame;
     uint8_t *dst = pic->data[plane];
     uint8_t *val = ctx->val + offset;
-    uint8_t a, b, c;
     int stride = pic->linesize[plane];
-    int i, j;
-
-    for (i = 0; i < height; i++) {
-        for (j = 0; j < width; j++) {
-            dst[j] = val[j];
-
-            /* Top line and left column are not predicted */
-            if (!j)
-                continue;
+    int i;
 
-            if (!i) {
-                dst[j] += dst[j - 1];
-                continue;
-            }
+    dst[0] = val[0];
+    for (i = 1; i < width; i++)
+            dst[i] = dst[i - 1] + val[i];
 
-            a = dst[j - 1];
-            b = dst[j - stride];
-            c = a + b - dst[j - 1 - stride];
-            dst[j] += mid_pred(a, b, c);
-        }
+    for (i = 1; i < height; i++) {
+        int left = 0;
+        int left_top = dst[0];
         dst += stride;
         val += width;
+        ctx->dsp.add_hfyu_median_prediction(dst, dst-stride, val, width, &left, &left_top);
     }
 }
 
@@ -199,6 +190,7 @@ static av_cold int vble_decode_init(AVCodecContext *avctx)
 
     /* Stash for later use */
     ctx->avctx = avctx;
+    dsputil_init(&ctx->dsp, avctx);
 
     avctx->pix_fmt = PIX_FMT_YUV420P;
     avctx->bits_per_raw_sample = 8;
-- 
1.7.4.1