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Diffstat (limited to 'libavcodec/vp8dsp.c')
-rw-r--r--libavcodec/vp8dsp.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/libavcodec/vp8dsp.c b/libavcodec/vp8dsp.c
index 5f5124803d..b8cf0b2f6c 100644
--- a/libavcodec/vp8dsp.c
+++ b/libavcodec/vp8dsp.c
@@ -51,13 +51,25 @@ static void vp8_luma_dc_wht_c(DCTELEM block[4][4][16], DCTELEM dc[16])
dc[i*4+2] = 0;
dc[i*4+3] = 0;
- *block[i][0] = (t0 + t1) >> 3;
- *block[i][1] = (t3 + t2) >> 3;
- *block[i][2] = (t0 - t1) >> 3;
- *block[i][3] = (t3 - t2) >> 3;
+ block[i][0][0] = (t0 + t1) >> 3;
+ block[i][1][0] = (t3 + t2) >> 3;
+ block[i][2][0] = (t0 - t1) >> 3;
+ block[i][3][0] = (t3 - t2) >> 3;
}
}
+static void vp8_luma_dc_wht_dc_c(DCTELEM block[4][4][16], DCTELEM dc[16])
+{
+ int i, val = (dc[0] + 3) >> 3;
+ dc[0] = 0;
+
+ for (i = 0; i < 4; i++) {
+ block[i][0][0] = val;
+ block[i][1][0] = val;
+ block[i][2][0] = val;
+ block[i][3][0] = val;
+ }
+}
#define MUL_20091(a) ((((a)*20091) >> 16) + (a))
#define MUL_35468(a) (((a)*35468) >> 16)
@@ -480,6 +492,7 @@ VP8_BILINEAR(4)
av_cold void ff_vp8dsp_init(VP8DSPContext *dsp)
{
dsp->vp8_luma_dc_wht = vp8_luma_dc_wht_c;
+ dsp->vp8_luma_dc_wht_dc = vp8_luma_dc_wht_dc_c;
dsp->vp8_idct_add = vp8_idct_add_c;
dsp->vp8_idct_dc_add = vp8_idct_dc_add_c;
dsp->vp8_idct_dc_add4y = vp8_idct_dc_add4y_c;