lossless_videodsp: move shared functions from huffyuvdsp

Several codecs other than huffyuv use them.

Signed-off-by: James Almer <jamrial@gmail.com>

17 files changed, 406 insertions, 401 deletions

diff --git a/configure b/configure
index 398e843..d393983 100755
--- a/configure
+++ b/configure
@@ -2440,10 +2440,10 @@ interplay_video_decoder_select="hpeldsp"
 jpegls_decoder_select="golomb mjpeg_decoder"
 jpegls_encoder_select="golomb"
 jv_decoder_select="blockdsp"
-lagarith_decoder_select="huffyuvdsp"
+lagarith_decoder_select="llviddsp"
 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
 loco_decoder_select="golomb"
-magicyuv_decoder_select="huffyuvdsp llviddsp"
+magicyuv_decoder_select="llviddsp"
 mdec_decoder_select="blockdsp idctdsp mpegvideo"
 metasound_decoder_select="lsp mdct sinewin"
 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
@@ -2533,9 +2533,9 @@ truespeech_decoder_select="bswapdsp"
 tscc_decoder_select="zlib"
 twinvq_decoder_select="mdct lsp sinewin"
 txd_decoder_select="texturedsp"
-utvideo_decoder_select="bswapdsp huffyuvdsp"
+utvideo_decoder_select="bswapdsp llviddsp"
 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
-vble_decoder_select="huffyuvdsp"
+vble_decoder_select="llviddsp"
 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
 vc1_qsv_decoder_deps="libmfx"
 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
diff --git a/libavcodec/huffyuvdec.c b/libavcodec/huffyuvdec.c
index 7314519..1b4112c 100644
--- a/libavcodec/huffyuvdec.c
+++ b/libavcodec/huffyuvdec.c
@@ -36,6 +36,7 @@
 #include "get_bits.h"
 #include "huffyuv.h"
 #include "huffyuvdsp.h"
+#include "lossless_videodsp.h"
 #include "thread.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/pixdesc.h"
@@ -878,7 +879,7 @@ static void draw_slice(HYuvContext *s, AVFrame *frame, int y)
 static int left_prediction(HYuvContext *s, uint8_t *dst, const uint8_t *src, int w, int acc)
 {
     if (s->bps <= 8) {
-        return s->hdsp.add_hfyu_left_pred(dst, src, w, acc);
+        return s->llviddsp.add_left_pred(dst, src, w, acc);
     } else {
         return s->llviddsp.add_hfyu_left_pred_int16((      uint16_t *)dst, (const uint16_t *)src, s->n-1, w, acc);
     }
@@ -887,7 +888,7 @@ static int left_prediction(HYuvContext *s, uint8_t *dst, const uint8_t *src, int
 static void add_bytes(HYuvContext *s, uint8_t *dst, uint8_t *src, int w)
 {
     if (s->bps <= 8) {
-        s->hdsp.add_bytes(dst, src, w);
+        s->llviddsp.add_bytes(dst, src, w);
     } else {
         s->llviddsp.add_int16((uint16_t*)dst, (const uint16_t*)src, s->n - 1, w);
     }
@@ -896,7 +897,7 @@ static void add_bytes(HYuvContext *s, uint8_t *dst, uint8_t *src, int w)
 static void add_median_prediction(HYuvContext *s, uint8_t *dst, const uint8_t *src, const uint8_t *diff, int w, int *left, int *left_top)
 {
     if (s->bps <= 8) {
-        s->hdsp.add_hfyu_median_pred(dst, src, diff, w, left, left_top);
+        s->llviddsp.add_median_pred(dst, src, diff, w, left, left_top);
     } else {
         s->llviddsp.add_hfyu_median_pred_int16((uint16_t *)dst, (const uint16_t *)src, (const uint16_t *)diff, s->n-1, w, left, left_top);
     }
@@ -1038,11 +1039,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
             case LEFT:
             case PLANE:
                 decode_422_bitstream(s, width - 2);
-                lefty = s->hdsp.add_hfyu_left_pred(p->data[0] + 2, s->temp[0],
+                lefty = s->llviddsp.add_left_pred(p->data[0] + 2, s->temp[0],
                                                    width - 2, lefty);
                 if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
-                    leftu = s->hdsp.add_hfyu_left_pred(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
-                    leftv = s->hdsp.add_hfyu_left_pred(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
+                    leftu = s->llviddsp.add_left_pred(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
+                    leftv = s->llviddsp.add_left_pred(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
                 }
 
                 for (cy = y = 1; y < s->height; y++, cy++) {
@@ -1053,11 +1054,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
 
                         ydst = p->data[0] + p->linesize[0] * y;
 
-                        lefty = s->hdsp.add_hfyu_left_pred(ydst, s->temp[0],
+                        lefty = s->llviddsp.add_left_pred(ydst, s->temp[0],
                                                            width, lefty);
                         if (s->predictor == PLANE) {
                             if (y > s->interlaced)
-                                s->hdsp.add_bytes(ydst, ydst - fake_ystride, width);
+                                s->llviddsp.add_bytes(ydst, ydst - fake_ystride, width);
                         }
                         y++;
                         if (y >= s->height)
@@ -1071,18 +1072,18 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                     vdst = p->data[2] + p->linesize[2] * cy;
 
                     decode_422_bitstream(s, width);
-                    lefty = s->hdsp.add_hfyu_left_pred(ydst, s->temp[0],
+                    lefty = s->llviddsp.add_left_pred(ydst, s->temp[0],
                                                        width, lefty);
                     if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
-                        leftu = s->hdsp.add_hfyu_left_pred(udst, s->temp[1], width2, leftu);
-                        leftv = s->hdsp.add_hfyu_left_pred(vdst, s->temp[2], width2, leftv);
+                        leftu = s->llviddsp.add_left_pred(udst, s->temp[1], width2, leftu);
+                        leftv = s->llviddsp.add_left_pred(vdst, s->temp[2], width2, leftv);
                     }
                     if (s->predictor == PLANE) {
                         if (cy > s->interlaced) {
-                            s->hdsp.add_bytes(ydst, ydst - fake_ystride, width);
+                            s->llviddsp.add_bytes(ydst, ydst - fake_ystride, width);
                             if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
-                                s->hdsp.add_bytes(udst, udst - fake_ustride, width2);
-                                s->hdsp.add_bytes(vdst, vdst - fake_vstride, width2);
+                                s->llviddsp.add_bytes(udst, udst - fake_ustride, width2);
+                                s->llviddsp.add_bytes(vdst, vdst - fake_vstride, width2);
                             }
                         }
                     }
@@ -1093,11 +1094,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
             case MEDIAN:
                 /* first line except first 2 pixels is left predicted */
                 decode_422_bitstream(s, width - 2);
-                lefty = s->hdsp.add_hfyu_left_pred(p->data[0] + 2, s->temp[0],
+                lefty = s->llviddsp.add_left_pred(p->data[0] + 2, s->temp[0],
                                                    width - 2, lefty);
                 if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
-                    leftu = s->hdsp.add_hfyu_left_pred(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
-                    leftv = s->hdsp.add_hfyu_left_pred(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
+                    leftu = s->llviddsp.add_left_pred(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
+                    leftv = s->llviddsp.add_left_pred(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
                 }
 
                 cy = y = 1;
@@ -1105,11 +1106,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                 /* second line is left predicted for interlaced case */
                 if (s->interlaced) {
                     decode_422_bitstream(s, width);
-                    lefty = s->hdsp.add_hfyu_left_pred(p->data[0] + p->linesize[0],
+                    lefty = s->llviddsp.add_left_pred(p->data[0] + p->linesize[0],
                                                        s->temp[0], width, lefty);
                     if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
-                        leftu = s->hdsp.add_hfyu_left_pred(p->data[1] + p->linesize[2], s->temp[1], width2, leftu);
-                        leftv = s->hdsp.add_hfyu_left_pred(p->data[2] + p->linesize[1], s->temp[2], width2, leftv);
+                        leftu = s->llviddsp.add_left_pred(p->data[1] + p->linesize[2], s->temp[1], width2, leftu);
+                        leftv = s->llviddsp.add_left_pred(p->data[2] + p->linesize[1], s->temp[2], width2, leftv);
                     }
                     y++;
                     cy++;
@@ -1117,24 +1118,24 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
 
                 /* next 4 pixels are left predicted too */
                 decode_422_bitstream(s, 4);
-                lefty = s->hdsp.add_hfyu_left_pred(p->data[0] + fake_ystride,
+                lefty = s->llviddsp.add_left_pred(p->data[0] + fake_ystride,
                                                    s->temp[0], 4, lefty);
                 if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
-                    leftu = s->hdsp.add_hfyu_left_pred(p->data[1] + fake_ustride, s->temp[1], 2, leftu);
-                    leftv = s->hdsp.add_hfyu_left_pred(p->data[2] + fake_vstride, s->temp[2], 2, leftv);
+                    leftu = s->llviddsp.add_left_pred(p->data[1] + fake_ustride, s->temp[1], 2, leftu);
+                    leftv = s->llviddsp.add_left_pred(p->data[2] + fake_vstride, s->temp[2], 2, leftv);
                 }
 
                 /* next line except the first 4 pixels is median predicted */
                 lefttopy = p->data[0][3];
                 decode_422_bitstream(s, width - 4);
-                s->hdsp.add_hfyu_median_pred(p->data[0] + fake_ystride + 4,
+                s->llviddsp.add_median_pred(p->data[0] + fake_ystride + 4,
                                              p->data[0] + 4, s->temp[0],
                                              width - 4, &lefty, &lefttopy);
                 if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
                     lefttopu = p->data[1][1];
                     lefttopv = p->data[2][1];
-                    s->hdsp.add_hfyu_median_pred(p->data[1] + fake_ustride + 2, p->data[1] + 2, s->temp[1], width2 - 2, &leftu, &lefttopu);
-                    s->hdsp.add_hfyu_median_pred(p->data[2] + fake_vstride + 2, p->data[2] + 2, s->temp[2], width2 - 2, &leftv, &lefttopv);
+                    s->llviddsp.add_median_pred(p->data[1] + fake_ustride + 2, p->data[1] + 2, s->temp[1], width2 - 2, &leftu, &lefttopu);
+                    s->llviddsp.add_median_pred(p->data[2] + fake_vstride + 2, p->data[2] + 2, s->temp[2], width2 - 2, &leftv, &lefttopv);
                 }
                 y++;
                 cy++;
@@ -1146,7 +1147,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                         while (2 * cy > y) {
                             decode_gray_bitstream(s, width);
                             ydst = p->data[0] + p->linesize[0] * y;
-                            s->hdsp.add_hfyu_median_pred(ydst, ydst - fake_ystride,
+                            s->llviddsp.add_median_pred(ydst, ydst - fake_ystride,
                                                          s->temp[0], width,
                                                          &lefty, &lefttopy);
                             y++;
@@ -1162,12 +1163,12 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                     udst = p->data[1] + p->linesize[1] * cy;
                     vdst = p->data[2] + p->linesize[2] * cy;
 
-                    s->hdsp.add_hfyu_median_pred(ydst, ydst - fake_ystride,
+                    s->llviddsp.add_median_pred(ydst, ydst - fake_ystride,
                                                  s->temp[0], width,
                                                  &lefty, &lefttopy);
                     if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
-                        s->hdsp.add_hfyu_median_pred(udst, udst - fake_ustride, s->temp[1], width2, &leftu, &lefttopu);
-                        s->hdsp.add_hfyu_median_pred(vdst, vdst - fake_vstride, s->temp[2], width2, &leftv, &lefttopv);
+                        s->llviddsp.add_median_pred(udst, udst - fake_ustride, s->temp[1], width2, &leftu, &lefttopu);
+                        s->llviddsp.add_median_pred(vdst, vdst - fake_vstride, s->temp[2], width2, &leftv, &lefttopv);
                     }
                 }
 
@@ -1210,7 +1211,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                         if (s->bitstream_bpp != 32)
                             left[A] = 0;
                         if (y < s->height - 1 - s->interlaced) {
-                            s->hdsp.add_bytes(p->data[0] + p->linesize[0] * y,
+                            s->llviddsp.add_bytes(p->data[0] + p->linesize[0] * y,
                                               p->data[0] + p->linesize[0] * y +
                                               fake_ystride, 4 * width);
                         }
diff --git a/libavcodec/huffyuvdsp.c b/libavcodec/huffyuvdsp.c
index e8a05f6..2adfc19 100644
--- a/libavcodec/huffyuvdsp.c
+++ b/libavcodec/huffyuvdsp.c
@@ -23,64 +23,6 @@
 #include "mathops.h"
 #include "huffyuvdsp.h"
 
-// 0x7f7f7f7f or 0x7f7f7f7f7f7f7f7f or whatever, depending on the cpu's native arithmetic size
-#define pb_7f (~0UL / 255 * 0x7f)
-#define pb_80 (~0UL / 255 * 0x80)
-
-static void add_bytes_c(uint8_t *dst, uint8_t *src, intptr_t w)
-{
-    long i;
-
-    for (i = 0; i <= w - (int) sizeof(long); i += sizeof(long)) {
-        long a = *(long *) (src + i);
-        long b = *(long *) (dst + i);
-        *(long *) (dst + i) = ((a & pb_7f) + (b & pb_7f)) ^ ((a ^ b) & pb_80);
-    }
-    for (; i < w; i++)
-        dst[i + 0] += src[i + 0];
-}
-
-static void add_hfyu_median_pred_c(uint8_t *dst, const uint8_t *src1,
-                                   const uint8_t *diff, intptr_t w,
-                                   int *left, int *left_top)
-{
-    int i;
-    uint8_t l, lt;
-
-    l  = *left;
-    lt = *left_top;
-
-    for (i = 0; i < w; i++) {
-        l      = mid_pred(l, src1[i], (l + src1[i] - lt) & 0xFF) + diff[i];
-        lt     = src1[i];
-        dst[i] = l;
-    }
-
-    *left     = l;
-    *left_top = lt;
-}
-
-static int add_hfyu_left_pred_c(uint8_t *dst, const uint8_t *src, intptr_t w,
-                                int acc)
-{
-    int i;
-
-    for (i = 0; i < w - 1; i++) {
-        acc   += src[i];
-        dst[i] = acc;
-        i++;
-        acc   += src[i];
-        dst[i] = acc;
-    }
-
-    for (; i < w; i++) {
-        acc   += src[i];
-        dst[i] = acc;
-    }
-
-    return acc;
-}
-
 static void add_hfyu_left_pred_bgr32_c(uint8_t *dst, const uint8_t *src,
                                        intptr_t w, uint8_t *left)
 {
@@ -107,9 +49,6 @@ static void add_hfyu_left_pred_bgr32_c(uint8_t *dst, const uint8_t *src,
 
 av_cold void ff_huffyuvdsp_init(HuffYUVDSPContext *c)
 {
-    c->add_bytes                = add_bytes_c;
-    c->add_hfyu_median_pred     = add_hfyu_median_pred_c;
-    c->add_hfyu_left_pred       = add_hfyu_left_pred_c;
     c->add_hfyu_left_pred_bgr32 = add_hfyu_left_pred_bgr32_c;
 
     if (ARCH_X86)
diff --git a/libavcodec/huffyuvdsp.h b/libavcodec/huffyuvdsp.h
index db37728..eaad1af 100644
--- a/libavcodec/huffyuvdsp.h
+++ b/libavcodec/huffyuvdsp.h
@@ -35,13 +35,6 @@
 #endif
 
 typedef struct HuffYUVDSPContext {
-    void (*add_bytes)(uint8_t *dst /* align 16 */, uint8_t *src /* align 16 */,
-                      intptr_t w);
-    void (*add_hfyu_median_pred)(uint8_t *dst, const uint8_t *top,
-                                 const uint8_t *diff, intptr_t w,
-                                 int *left, int *left_top);
-    int (*add_hfyu_left_pred)(uint8_t *dst, const uint8_t *src,
-                              intptr_t w, int left);
     void (*add_hfyu_left_pred_bgr32)(uint8_t *dst, const uint8_t *src,
                                      intptr_t w, uint8_t *left);
 } HuffYUVDSPContext;
diff --git a/libavcodec/lagarith.c b/libavcodec/lagarith.c
index 93d1344..96a4b5c 100644
--- a/libavcodec/lagarith.c
+++ b/libavcodec/lagarith.c
@@ -30,8 +30,8 @@
 #include "avcodec.h"
 #include "get_bits.h"
 #include "mathops.h"
-#include "huffyuvdsp.h"
 #include "lagarithrac.h"
+#include "lossless_videodsp.h"
 #include "thread.h"
 
 enum LagarithFrameType {
@@ -50,7 +50,7 @@ enum LagarithFrameType {
 
 typedef struct LagarithContext {
     AVCodecContext *avctx;
-    HuffYUVDSPContext hdsp;
+    LLVidDSPContext llviddsp;
     int zeros;                  /**< number of consecutive zero bytes encountered */
     int zeros_rem;              /**< number of zero bytes remaining to output */
     uint8_t *rgb_planes;
@@ -260,7 +260,7 @@ static void lag_pred_line(LagarithContext *l, uint8_t *buf,
 
     if (!line) {
         /* Left prediction only for first line */
-        L = l->hdsp.add_hfyu_left_pred(buf, buf, width, 0);
+        L = l->llviddsp.add_left_pred(buf, buf, width, 0);
     } else {
         /* Left pixel is actually prev_row[width] */
         L = buf[width - stride - 1];
@@ -289,7 +289,7 @@ static void lag_pred_line_yuy2(LagarithContext *l, uint8_t *buf,
         L= buf[0];
         if (is_luma)
             buf[0] = 0;
-        l->hdsp.add_hfyu_left_pred(buf, buf, width, 0);
+        l->llviddsp.add_left_pred(buf, buf, width, 0);
         if (is_luma)
             buf[0] = L;
         return;
@@ -312,7 +312,7 @@ static void lag_pred_line_yuy2(LagarithContext *l, uint8_t *buf,
     } else {
         TL = buf[width - (2 * stride) - 1];
         L  = buf[width - stride - 1];
-        l->hdsp.add_hfyu_median_pred(buf, buf - stride, buf, width, &L, &TL);
+        l->llviddsp.add_median_pred(buf, buf - stride, buf, width, &L, &TL);
     }
 }
 
@@ -725,7 +725,7 @@ static av_cold int lag_decode_init(AVCodecContext *avctx)
     LagarithContext *l = avctx->priv_data;
     l->avctx = avctx;
 
-    ff_huffyuvdsp_init(&l->hdsp);
+    ff_llviddsp_init(&l->llviddsp, avctx);
 
     return 0;
 }
diff --git a/libavcodec/lossless_videodsp.c b/libavcodec/lossless_videodsp.c
index 231c25f..5440ce2 100644
--- a/libavcodec/lossless_videodsp.c
+++ b/libavcodec/lossless_videodsp.c
@@ -21,6 +21,64 @@
 #include "lossless_videodsp.h"
 #include "libavcodec/mathops.h"
 
+// 0x7f7f7f7f or 0x7f7f7f7f7f7f7f7f or whatever, depending on the cpu's native arithmetic size
+#define pb_7f (~0UL / 255 * 0x7f)
+#define pb_80 (~0UL / 255 * 0x80)
+
+static void add_bytes_c(uint8_t *dst, uint8_t *src, intptr_t w)
+{
+    long i;
+
+    for (i = 0; i <= w - (int) sizeof(long); i += sizeof(long)) {
+        long a = *(long *) (src + i);
+        long b = *(long *) (dst + i);
+        *(long *) (dst + i) = ((a & pb_7f) + (b & pb_7f)) ^ ((a ^ b) & pb_80);
+    }
+    for (; i < w; i++)
+        dst[i + 0] += src[i + 0];
+}
+
+static void add_median_pred_c(uint8_t *dst, const uint8_t *src1,
+                              const uint8_t *diff, intptr_t w,
+                              int *left, int *left_top)
+{
+    int i;
+    uint8_t l, lt;
+
+    l  = *left;
+    lt = *left_top;
+
+    for (i = 0; i < w; i++) {
+        l      = mid_pred(l, src1[i], (l + src1[i] - lt) & 0xFF) + diff[i];
+        lt     = src1[i];
+        dst[i] = l;
+    }
+
+    *left     = l;
+    *left_top = lt;
+}
+
+static int add_left_pred_c(uint8_t *dst, const uint8_t *src, intptr_t w,
+                           int acc)
+{
+    int i;
+
+    for (i = 0; i < w - 1; i++) {
+        acc   += src[i];
+        dst[i] = acc;
+        i++;
+        acc   += src[i];
+        dst[i] = acc;
+    }
+
+    for (; i < w; i++) {
+        acc   += src[i];
+        dst[i] = acc;
+    }
+
+    return acc;
+}
+
 static void add_int16_c(uint16_t *dst, const uint16_t *src, unsigned mask, int w){
     long i;
     unsigned long pw_lsb = (mask >> 1) * 0x0001000100010001ULL;
@@ -117,6 +175,10 @@ static int add_hfyu_left_pred_int16_c(uint16_t *dst, const uint16_t *src, unsign
 
 void ff_llviddsp_init(LLVidDSPContext *c, AVCodecContext *avctx)
 {
+    c->add_bytes                  = add_bytes_c;
+    c->add_median_pred            = add_median_pred_c;
+    c->add_left_pred              = add_left_pred_c;
+
     c->add_int16 = add_int16_c;
     c->diff_int16= diff_int16_c;
     c->add_hfyu_left_pred_int16   = add_hfyu_left_pred_int16_c;
diff --git a/libavcodec/lossless_videodsp.h b/libavcodec/lossless_videodsp.h
index 040902e..e8ba175 100644
--- a/libavcodec/lossless_videodsp.h
+++ b/libavcodec/lossless_videodsp.h
@@ -26,6 +26,14 @@
 #include "libavutil/cpu.h"
 
 typedef struct LLVidDSPContext {
+    void (*add_bytes)(uint8_t *dst /* align 16 */, uint8_t *src /* align 16 */,
+                      intptr_t w);
+    void (*add_median_pred)(uint8_t *dst, const uint8_t *top,
+                            const uint8_t *diff, intptr_t w,
+                            int *left, int *left_top);
+    int (*add_left_pred)(uint8_t *dst, const uint8_t *src,
+                         intptr_t w, int left);
+
     void (*add_int16)(uint16_t *dst/*align 16*/, const uint16_t *src/*align 16*/, unsigned mask, int w);
     void (*diff_int16)(uint16_t *dst/*align 16*/, const uint16_t *src1/*align 16*/, const uint16_t *src2/*align 1*/, unsigned mask, int w);
 
@@ -36,5 +44,6 @@ typedef struct LLVidDSPContext {
 
 void ff_llviddsp_init(LLVidDSPContext *llviddsp, AVCodecContext *avctx);
 void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp, AVCodecContext *avctx);
+void ff_llviddsp_init_ppc(LLVidDSPContext *llviddsp, AVCodecContext *avctx);
 
 #endif //AVCODEC_LOSSLESS_VIDEODSP_H
diff --git a/libavcodec/magicyuv.c b/libavcodec/magicyuv.c
index 526df6f..4e78ff1 100644
--- a/libavcodec/magicyuv.c
+++ b/libavcodec/magicyuv.c
@@ -70,7 +70,6 @@ typedef struct MagicYUVContext {
     int (*huff_build)(VLC *vlc, uint8_t *len);
     int (*magy_decode_slice)(AVCodecContext *avctx, void *tdata,
                              int j, int threadnr);
-    HuffYUVDSPContext hdsp;
     LLVidDSPContext   llviddsp;
 } MagicYUVContext;
 
@@ -353,24 +352,24 @@ static int magy_decode_slice(AVCodecContext *avctx, void *tdata,
         switch (pred) {
         case LEFT:
             dst = p->data[i] + j * sheight * stride;
-            s->hdsp.add_hfyu_left_pred(dst, dst, width, 0);
+            s->llviddsp.add_left_pred(dst, dst, width, 0);
             dst += stride;
             if (interlaced) {
-                s->hdsp.add_hfyu_left_pred(dst, dst, width, 0);
+                s->llviddsp.add_left_pred(dst, dst, width, 0);
                 dst += stride;
             }
             for (k = 1 + interlaced; k < height; k++) {
-                s->hdsp.add_hfyu_left_pred(dst, dst, width, dst[-fake_stride]);
+                s->llviddsp.add_left_pred(dst, dst, width, dst[-fake_stride]);
                 dst += stride;
             }
             break;
         case GRADIENT:
             dst = p->data[i] + j * sheight * stride;
-            s->hdsp.add_hfyu_left_pred(dst, dst, width, 0);
+            s->llviddsp.add_left_pred(dst, dst, width, 0);
             left = lefttop = 0;
             dst += stride;
             if (interlaced) {
-                s->hdsp.add_hfyu_left_pred(dst, dst, width, 0);
+                s->llviddsp.add_left_pred(dst, dst, width, 0);
                 left = lefttop = 0;
                 dst += stride;
             }
@@ -390,15 +389,15 @@ static int magy_decode_slice(AVCodecContext *avctx, void *tdata,
         case MEDIAN:
             dst = p->data[i] + j * sheight * stride;
             lefttop = left = dst[0];
-            s->hdsp.add_hfyu_left_pred(dst, dst, width, 0);
+            s->llviddsp.add_left_pred(dst, dst, width, 0);
             dst += stride;
             if (interlaced) {
                 lefttop = left = dst[0];
-                s->hdsp.add_hfyu_left_pred(dst, dst, width, 0);
+                s->llviddsp.add_left_pred(dst, dst, width, 0);
                 dst += stride;
             }
             for (k = 1 + interlaced; k < height; k++) {
-                s->hdsp.add_hfyu_median_pred(dst, dst - fake_stride,
+                s->llviddsp.add_median_pred(dst, dst - fake_stride,
                                              dst, width, &left, &lefttop);
                 lefttop = left = dst[0];
                 dst += stride;
@@ -417,8 +416,8 @@ static int magy_decode_slice(AVCodecContext *avctx, void *tdata,
         uint8_t *r = p->data[2] + j * s->slice_height * p->linesize[2];
 
         for (i = 0; i < height; i++) {
-            s->hdsp.add_bytes(b, g, width);
-            s->hdsp.add_bytes(r, g, width);
+            s->llviddsp.add_bytes(b, g, width);
+            s->llviddsp.add_bytes(r, g, width);
             b += p->linesize[0];
             g += p->linesize[1];
             r += p->linesize[2];
@@ -698,7 +697,6 @@ static int magy_init_thread_copy(AVCodecContext *avctx)
 static av_cold int magy_decode_init(AVCodecContext *avctx)
 {
     MagicYUVContext *s = avctx->priv_data;
-    ff_huffyuvdsp_init(&s->hdsp);
     ff_llviddsp_init(&s->llviddsp, avctx);
     return 0;
 }
diff --git a/libavcodec/ppc/Makefile b/libavcodec/ppc/Makefile
index 56a1398..ae774a0 100644
--- a/libavcodec/ppc/Makefile
+++ b/libavcodec/ppc/Makefile
@@ -10,8 +10,8 @@ OBJS-$(CONFIG_H264CHROMA)              += ppc/h264chroma_init.o
 OBJS-$(CONFIG_H264DSP)                 += ppc/h264dsp.o ppc/hpeldsp_altivec.o
 OBJS-$(CONFIG_H264QPEL)                += ppc/h264qpel.o
 OBJS-$(CONFIG_HPELDSP)                 += ppc/hpeldsp_altivec.o
-OBJS-$(CONFIG_HUFFYUVDSP)              += ppc/huffyuvdsp_altivec.o
 OBJS-$(CONFIG_IDCTDSP)                 += ppc/idctdsp.o
+OBJS-$(CONFIG_LLVIDDSP)                += ppc/lossless_videodsp_altivec.o
 OBJS-$(CONFIG_ME_CMP)                  += ppc/me_cmp.o
 OBJS-$(CONFIG_MPEGAUDIODSP)            += ppc/mpegaudiodsp_altivec.o
 OBJS-$(CONFIG_MPEGVIDEO)               += ppc/mpegvideo_altivec.o      \
diff --git a/libavcodec/ppc/huffyuvdsp_altivec.c b/libavcodec/ppc/lossless_videodsp_altivec.c
index 6701524..e17abaa 100644
--- a/libavcodec/ppc/huffyuvdsp_altivec.c
+++ b/libavcodec/ppc/lossless_videodsp_altivec.c
@@ -30,7 +30,7 @@
 #include "libavutil/ppc/cpu.h"
 #include "libavutil/ppc/types_altivec.h"
 #include "libavutil/ppc/util_altivec.h"
-#include "libavcodec/huffyuvdsp.h"
+#include "libavcodec/lossless_videodsp.h"
 
 #if HAVE_ALTIVEC
 static void add_bytes_altivec(uint8_t *dst, uint8_t *src, intptr_t w)
@@ -51,7 +51,7 @@ static void add_bytes_altivec(uint8_t *dst, uint8_t *src, intptr_t w)
 }
 #endif /* HAVE_ALTIVEC */
 
-av_cold void ff_huffyuvdsp_init_ppc(HuffYUVDSPContext *c)
+av_cold void ff_llviddsp_init_ppc(LLVidDSPContext *c, AVCodecContext *avctx)
 {
 #if HAVE_ALTIVEC
     if (!PPC_ALTIVEC(av_get_cpu_flags()))
diff --git a/libavcodec/utvideo.h b/libavcodec/utvideo.h
index 0d10865..3b2fe5f 100644
--- a/libavcodec/utvideo.h
+++ b/libavcodec/utvideo.h
@@ -30,8 +30,8 @@
 #include "libavutil/common.h"
 #include "avcodec.h"
 #include "bswapdsp.h"
-#include "huffyuvdsp.h"
 #include "huffyuvencdsp.h"
+#include "lossless_videodsp.h"
 
 enum {
     PRED_NONE = 0,
@@ -70,8 +70,8 @@ typedef struct UtvideoContext {
     const AVClass *class;
     AVCodecContext *avctx;
     BswapDSPContext bdsp;
-    HuffYUVDSPContext hdspdec;
     HuffYUVEncDSPContext hdsp;
+    LLVidDSPContext llviddsp;
 
     uint32_t frame_info_size, flags, frame_info;
     int      planes;
diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c
index 23b8202..7d1d35b 100644
--- a/libavcodec/utvideodec.c
+++ b/libavcodec/utvideodec.c
@@ -396,7 +396,7 @@ static void restore_median_planar(UtvideoContext *c, uint8_t *src, int stride,
 
         // first line - left neighbour prediction
         bsrc[0] += 0x80;
-        c->hdspdec.add_hfyu_left_pred(bsrc, bsrc, width, 0);
+        c->llviddsp.add_left_pred(bsrc, bsrc, width, 0);
         bsrc += stride;
         if (slice_height <= 1)
             continue;
@@ -413,7 +413,7 @@ static void restore_median_planar(UtvideoContext *c, uint8_t *src, int stride,
         bsrc += stride;
         // the rest of lines use continuous median prediction
         for (j = 2; j < slice_height; j++) {
-            c->hdspdec.add_hfyu_median_pred(bsrc, bsrc - stride,
+            c->llviddsp.add_median_pred(bsrc, bsrc - stride,
                                             bsrc, width, &A, &B);
             bsrc += stride;
         }
@@ -446,8 +446,8 @@ static void restore_median_planar_il(UtvideoContext *c, uint8_t *src, int stride
 
         // first line - left neighbour prediction
         bsrc[0] += 0x80;
-        A = c->hdspdec.add_hfyu_left_pred(bsrc, bsrc, width, 0);
-        c->hdspdec.add_hfyu_left_pred(bsrc + stride, bsrc + stride, width, A);
+        A = c->llviddsp.add_left_pred(bsrc, bsrc, width, 0);
+        c->llviddsp.add_left_pred(bsrc + stride, bsrc + stride, width, A);
         bsrc += stride2;
         if (slice_height <= 1)
             continue;
@@ -461,14 +461,14 @@ static void restore_median_planar_il(UtvideoContext *c, uint8_t *src, int stride
             C        = B;
             A        = bsrc[i];
         }
-        c->hdspdec.add_hfyu_median_pred(bsrc + stride, bsrc - stride,
+        c->llviddsp.add_median_pred(bsrc + stride, bsrc - stride,
                                         bsrc + stride, width, &A, &B);
         bsrc += stride2;
         // the rest of lines use continuous median prediction
         for (j = 2; j < slice_height; j++) {
-            c->hdspdec.add_hfyu_median_pred(bsrc, bsrc - stride2,
+            c->llviddsp.add_median_pred(bsrc, bsrc - stride2,
                                             bsrc, width, &A, &B);
-            c->hdspdec.add_hfyu_median_pred(bsrc + stride, bsrc - stride,
+            c->llviddsp.add_median_pred(bsrc + stride, bsrc - stride,
                                             bsrc + stride, width, &A, &B);
             bsrc += stride2;
         }
@@ -827,7 +827,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
     c->avctx = avctx;
 
     ff_bswapdsp_init(&c->bdsp);
-    ff_huffyuvdsp_init(&c->hdspdec);
+    ff_llviddsp_init(&c->llviddsp, avctx);
 
     if (avctx->extradata_size >= 16) {
         av_log(avctx, AV_LOG_DEBUG, "Encoder version %d.%d.%d.%d\n",
diff --git a/libavcodec/vble.c b/libavcodec/vble.c
index 032d9c2..7598d30 100644
--- a/libavcodec/vble.c
+++ b/libavcodec/vble.c
@@ -29,14 +29,14 @@
 #define BITSTREAM_READER_LE
 #include "avcodec.h"
 #include "get_bits.h"
-#include "huffyuvdsp.h"
 #include "internal.h"
+#include "lossless_videodsp.h"
 #include "mathops.h"
 #include "thread.h"
 
 typedef struct VBLEContext {
     AVCodecContext *avctx;
-    HuffYUVDSPContext hdsp;
+    LLVidDSPContext llviddsp;
 
     int            size;
     uint8_t        *val; ///< This array first holds the lengths of vlc symbols and then their value.
@@ -102,8 +102,8 @@ static void vble_restore_plane(VBLEContext *ctx, AVFrame *pic,
         if (i) {
             left = 0;
             left_top = dst[-stride];
-            ctx->hdsp.add_hfyu_median_pred(dst, dst - stride, val,
-                                           width, &left, &left_top);
+            ctx->llviddsp.add_median_pred(dst, dst - stride, val,
+                                          width, &left, &left_top);
         } else {
             dst[0] = val[0];
             for (j = 1; j < width; j++)
@@ -185,7 +185,7 @@ static av_cold int vble_decode_init(AVCodecContext *avctx)
 
     /* Stash for later use */
     ctx->avctx = avctx;
-    ff_huffyuvdsp_init(&ctx->hdsp);
+    ff_llviddsp_init(&ctx->llviddsp, avctx);
 
     avctx->pix_fmt = AV_PIX_FMT_YUV420P;
     avctx->bits_per_raw_sample = 8;
diff --git a/libavcodec/x86/huffyuvdsp.asm b/libavcodec/x86/huffyuvdsp.asm
index 0dbe598..0befd3b 100644
--- a/libavcodec/x86/huffyuvdsp.asm
+++ b/libavcodec/x86/huffyuvdsp.asm
@@ -22,196 +22,8 @@
 
 %include "libavutil/x86/x86util.asm"
 
-SECTION_RODATA
-cextern pb_15
-pb_zzzzzzzz77777777: times 8 db -1
-pb_7: times 8 db 7
-pb_zzzz3333zzzzbbbb: db -1,-1,-1,-1,3,3,3,3,-1,-1,-1,-1,11,11,11,11
-pb_zz11zz55zz99zzdd: db -1,-1,1,1,-1,-1,5,5,-1,-1,9,9,-1,-1,13,13
-
 SECTION .text
 
-; void ff_add_hfyu_median_pred_mmxext(uint8_t *dst, const uint8_t *top,
-;                                     const uint8_t *diff, int w,
-;                                     int *left, int *left_top)
-%macro HFYU_MEDIAN 0
-cglobal add_hfyu_median_pred, 6,6,8, dst, top, diff, w, left, left_top
-    movu    m0, [topq]
-    mova    m2, m0
-    movd    m4, [left_topq]
-    LSHIFT  m2, 1
-    mova    m1, m0
-    por     m4, m2
-    movd    m3, [leftq]
-    psubb   m0, m4 ; t-tl
-    add    dstq, wq
-    add    topq, wq
-    add   diffq, wq
-    neg      wq
-    jmp .skip
-.loop:
-    movu    m4, [topq+wq]
-    mova    m0, m4
-    LSHIFT  m4, 1
-    por     m4, m1
-    mova    m1, m0 ; t
-    psubb   m0, m4 ; t-tl
-.skip:
-    movu    m2, [diffq+wq]
-%assign i 0
-%rep mmsize
-    mova    m4, m0
-    paddb   m4, m3 ; t-tl+l
-    mova    m5, m3
-    pmaxub  m3, m1
-    pminub  m5, m1
-    pminub  m3, m4
-    pmaxub  m3, m5 ; median
-    paddb   m3, m2 ; +residual
-%if i==0
-    mova    m7, m3
-    LSHIFT  m7, mmsize-1
-%else
-    mova    m6, m3
-    RSHIFT  m7, 1
-    LSHIFT  m6, mmsize-1
-    por     m7, m6
-%endif
-%if i<mmsize-1
-    RSHIFT  m0, 1
-    RSHIFT  m1, 1
-    RSHIFT  m2, 1
-%endif
-%assign i i+1
-%endrep
-    movu [dstq+wq], m7
-    add      wq, mmsize
-    jl .loop
-    movzx   r2d, byte [dstq-1]
-    mov [leftq], r2d
-    movzx   r2d, byte [topq-1]
-    mov [left_topq], r2d
-    RET
-%endmacro
-
-%if ARCH_X86_32
-INIT_MMX mmxext
-HFYU_MEDIAN
-%endif
-INIT_XMM sse2
-HFYU_MEDIAN
-
-
-%macro ADD_HFYU_LEFT_LOOP 2 ; %1 = dst_is_aligned, %2 = src_is_aligned
-    add     srcq, wq
-    add     dstq, wq
-    neg     wq
-%%.loop:
-%if %2
-    mova    m1, [srcq+wq]
-%else
-    movu    m1, [srcq+wq]
-%endif
-    mova    m2, m1
-    psllw   m1, 8
-    paddb   m1, m2
-    mova    m2, m1
-    pshufb  m1, m3
-    paddb   m1, m2
-    pshufb  m0, m5
-    mova    m2, m1
-    pshufb  m1, m4
-    paddb   m1, m2
-%if mmsize == 16
-    mova    m2, m1
-    pshufb  m1, m6
-    paddb   m1, m2
-%endif
-    paddb   m0, m1
-%if %1
-    mova    [dstq+wq], m0
-%else
-    movq    [dstq+wq], m0
-    movhps  [dstq+wq+8], m0
-%endif
-    add     wq, mmsize
-    jl %%.loop
-    mov     eax, mmsize-1
-    sub     eax, wd
-    movd    m1, eax
-    pshufb  m0, m1
-    movd    eax, m0
-    RET
-%endmacro
-
-; int ff_add_hfyu_left_pred(uint8_t *dst, const uint8_t *src, int w, int left)
-INIT_MMX ssse3
-cglobal add_hfyu_left_pred, 3,3,7, dst, src, w, left
-.skip_prologue:
-    mova    m5, [pb_7]
-    mova    m4, [pb_zzzz3333zzzzbbbb]
-    mova    m3, [pb_zz11zz55zz99zzdd]
-    movd    m0, leftm
-    psllq   m0, 56
-    ADD_HFYU_LEFT_LOOP 1, 1
-
-INIT_XMM sse4
-cglobal add_hfyu_left_pred, 3,3,7, dst, src, w, left
-    mova    m5, [pb_15]
-    mova    m6, [pb_zzzzzzzz77777777]
-    mova    m4, [pb_zzzz3333zzzzbbbb]
-    mova    m3, [pb_zz11zz55zz99zzdd]
-    movd    m0, leftm
-    pslldq  m0, 15
-    test    srcq, 15
-    jnz .src_unaligned
-    test    dstq, 15
-    jnz .dst_unaligned
-    ADD_HFYU_LEFT_LOOP 1, 1
-.dst_unaligned:
-    ADD_HFYU_LEFT_LOOP 0, 1
-.src_unaligned:
-    ADD_HFYU_LEFT_LOOP 0, 0
-
-%macro ADD_BYTES 0
-cglobal add_bytes, 3,4,2, dst, src, w, size
-    mov  sizeq, wq
-    and  sizeq, -2*mmsize
-    jz  .2
-    add   dstq, sizeq
-    add   srcq, sizeq
-    neg  sizeq
-.1:
-    mova    m0, [srcq + sizeq]
-    mova    m1, [srcq + sizeq + mmsize]
-    paddb   m0, [dstq + sizeq]
-    paddb   m1, [dstq + sizeq + mmsize]
-    mova   [dstq + sizeq], m0
-    mova   [dstq + sizeq + mmsize], m1
-    add  sizeq, 2*mmsize
-    jl .1
-.2:
-    and     wq, 2*mmsize-1
-    jz    .end
-    add   dstq, wq
-    add   srcq, wq
-    neg     wq
-.3:
-    mov  sizeb, [srcq + wq]
-    add [dstq + wq], sizeb
-    inc     wq
-    jl .3
-.end:
-    REP_RET
-%endmacro
-
-%if ARCH_X86_32
-INIT_MMX mmx
-ADD_BYTES
-%endif
-INIT_XMM sse2
-ADD_BYTES
-
 ; void add_hfyu_left_pred_bgr32(uint8_t *dst, const uint8_t *src,
 ;                               intptr_t w, uint8_t *left)
 %macro LEFT_BGR32 0
diff --git a/libavcodec/x86/huffyuvdsp_init.c b/libavcodec/x86/huffyuvdsp_init.c
index 3ced3c0..fc87c38 100644
--- a/libavcodec/x86/huffyuvdsp_init.c
+++ b/libavcodec/x86/huffyuvdsp_init.c
@@ -25,93 +25,20 @@
 #include "libavutil/x86/cpu.h"
 #include "libavcodec/huffyuvdsp.h"
 
-void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, intptr_t w);
-void ff_add_bytes_sse2(uint8_t *dst, uint8_t *src, intptr_t w);
-
-void ff_add_hfyu_median_pred_mmxext(uint8_t *dst, const uint8_t *top,
-                                    const uint8_t *diff, intptr_t w,
-                                    int *left, int *left_top);
-void ff_add_hfyu_median_pred_sse2(uint8_t *dst, const uint8_t *top,
-                                  const uint8_t *diff, intptr_t w,
-                                  int *left, int *left_top);
-
-int  ff_add_hfyu_left_pred_ssse3(uint8_t *dst, const uint8_t *src,
-                                 intptr_t w, int left);
-int  ff_add_hfyu_left_pred_sse4(uint8_t *dst, const uint8_t *src,
-                                intptr_t w, int left);
-
 void ff_add_hfyu_left_pred_bgr32_mmx(uint8_t *dst, const uint8_t *src,
                                      intptr_t w, uint8_t *left);
 void ff_add_hfyu_left_pred_bgr32_sse2(uint8_t *dst, const uint8_t *src,
                                       intptr_t w, uint8_t *left);
 
-#if HAVE_INLINE_ASM && HAVE_7REGS && ARCH_X86_32
-static void add_hfyu_median_pred_cmov(uint8_t *dst, const uint8_t *top,
-                                      const uint8_t *diff, intptr_t w,
-                                      int *left, int *left_top)
-{
-    x86_reg w2 = -w;
-    x86_reg x;
-    int l  = *left     & 0xff;
-    int tl = *left_top & 0xff;
-    int t;
-    __asm__ volatile (
-        "mov          %7, %3            \n"
-        "1:                             \n"
-        "movzbl (%3, %4), %2            \n"
-        "mov          %2, %k3           \n"
-        "sub         %b1, %b3           \n"
-        "add         %b0, %b3           \n"
-        "mov          %2, %1            \n"
-        "cmp          %0, %2            \n"
-        "cmovg        %0, %2            \n"
-        "cmovg        %1, %0            \n"
-        "cmp         %k3, %0            \n"
-        "cmovg       %k3, %0            \n"
-        "mov          %7, %3            \n"
-        "cmp          %2, %0            \n"
-        "cmovl        %2, %0            \n"
-        "add    (%6, %4), %b0           \n"
-        "mov         %b0, (%5, %4)      \n"
-        "inc          %4                \n"
-        "jl           1b                \n"
-        : "+&q"(l), "+&q"(tl), "=&r"(t), "=&q"(x), "+&r"(w2)
-        : "r"(dst + w), "r"(diff + w), "rm"(top + w)
-    );
-    *left     = l;
-    *left_top = tl;
-}
-#endif
-
 av_cold void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c)
 {
     int cpu_flags = av_get_cpu_flags();
 
-#if HAVE_INLINE_ASM && HAVE_7REGS && ARCH_X86_32
-    if (cpu_flags & AV_CPU_FLAG_CMOV)
-        c->add_hfyu_median_pred = add_hfyu_median_pred_cmov;
-#endif
-
     if (ARCH_X86_32 && EXTERNAL_MMX(cpu_flags)) {
-        c->add_bytes = ff_add_bytes_mmx;
         c->add_hfyu_left_pred_bgr32 = ff_add_hfyu_left_pred_bgr32_mmx;
     }
 
-    if (ARCH_X86_32 && EXTERNAL_MMXEXT(cpu_flags)) {
-        /* slower than cmov version on AMD */
-        if (!(cpu_flags & AV_CPU_FLAG_3DNOW))
-            c->add_hfyu_median_pred = ff_add_hfyu_median_pred_mmxext;
-    }
-
     if (EXTERNAL_SSE2(cpu_flags)) {
-        c->add_bytes            = ff_add_bytes_sse2;
-        c->add_hfyu_median_pred = ff_add_hfyu_median_pred_sse2;
         c->add_hfyu_left_pred_bgr32 = ff_add_hfyu_left_pred_bgr32_sse2;
     }
-
-    if (EXTERNAL_SSSE3(cpu_flags)) {
-        c->add_hfyu_left_pred = ff_add_hfyu_left_pred_ssse3;
-        if (cpu_flags & AV_CPU_FLAG_SSE4) // not really SSE4, just slow on Conroe
-            c->add_hfyu_left_pred = ff_add_hfyu_left_pred_sse4;
-    }
 }
diff --git a/libavcodec/x86/lossless_videodsp.asm b/libavcodec/x86/lossless_videodsp.asm
index f06fcdf..a6ce5fe 100644
--- a/libavcodec/x86/lossless_videodsp.asm
+++ b/libavcodec/x86/lossless_videodsp.asm
@@ -24,13 +24,199 @@
 
 SECTION_RODATA
 
+cextern pb_15
+pb_zzzzzzzz77777777: times 8 db -1
+pb_7: times 8 db 7
 pb_ef: times 8 db 14,15
 pb_67: times 8 db  6, 7
+pb_zzzz3333zzzzbbbb: db -1,-1,-1,-1,3,3,3,3,-1,-1,-1,-1,11,11,11,11
+pb_zz11zz55zz99zzdd: db -1,-1,1,1,-1,-1,5,5,-1,-1,9,9,-1,-1,13,13
 pb_zzzz2323zzzzabab: db -1,-1,-1,-1, 2, 3, 2, 3,-1,-1,-1,-1,10,11,10,11
 pb_zzzzzzzz67676767: db -1,-1,-1,-1,-1,-1,-1,-1, 6, 7, 6, 7, 6, 7, 6, 7
 
 SECTION .text
 
+; void ff_add_median_pred_mmxext(uint8_t *dst, const uint8_t *top,
+;                                const uint8_t *diff, int w,
+;                                int *left, int *left_top)
+%macro MEDIAN_PRED 0
+cglobal add_median_pred, 6,6,8, dst, top, diff, w, left, left_top
+    movu    m0, [topq]
+    mova    m2, m0
+    movd    m4, [left_topq]
+    LSHIFT  m2, 1
+    mova    m1, m0
+    por     m4, m2
+    movd    m3, [leftq]
+    psubb   m0, m4 ; t-tl
+    add    dstq, wq
+    add    topq, wq
+    add   diffq, wq
+    neg      wq
+    jmp .skip
+.loop:
+    movu    m4, [topq+wq]
+    mova    m0, m4
+    LSHIFT  m4, 1
+    por     m4, m1
+    mova    m1, m0 ; t
+    psubb   m0, m4 ; t-tl
+.skip:
+    movu    m2, [diffq+wq]
+%assign i 0
+%rep mmsize
+    mova    m4, m0
+    paddb   m4, m3 ; t-tl+l
+    mova    m5, m3
+    pmaxub  m3, m1
+    pminub  m5, m1
+    pminub  m3, m4
+    pmaxub  m3, m5 ; median
+    paddb   m3, m2 ; +residual
+%if i==0
+    mova    m7, m3
+    LSHIFT  m7, mmsize-1
+%else
+    mova    m6, m3
+    RSHIFT  m7, 1
+    LSHIFT  m6, mmsize-1
+    por     m7, m6
+%endif
+%if i<mmsize-1
+    RSHIFT  m0, 1
+    RSHIFT  m1, 1
+    RSHIFT  m2, 1
+%endif
+%assign i i+1
+%endrep
+    movu [dstq+wq], m7
+    add      wq, mmsize
+    jl .loop
+    movzx   r2d, byte [dstq-1]
+    mov [leftq], r2d
+    movzx   r2d, byte [topq-1]
+    mov [left_topq], r2d
+    RET
+%endmacro
+
+%if ARCH_X86_32
+INIT_MMX mmxext
+MEDIAN_PRED
+%endif
+INIT_XMM sse2
+MEDIAN_PRED
+
+
+%macro ADD_LEFT_LOOP 2 ; %1 = dst_is_aligned, %2 = src_is_aligned
+    add     srcq, wq
+    add     dstq, wq
+    neg     wq
+%%.loop:
+%if %2
+    mova    m1, [srcq+wq]
+%else
+    movu    m1, [srcq+wq]
+%endif
+    mova    m2, m1
+    psllw   m1, 8
+    paddb   m1, m2
+    mova    m2, m1
+    pshufb  m1, m3
+    paddb   m1, m2
+    pshufb  m0, m5
+    mova    m2, m1
+    pshufb  m1, m4
+    paddb   m1, m2
+%if mmsize == 16
+    mova    m2, m1
+    pshufb  m1, m6
+    paddb   m1, m2
+%endif
+    paddb   m0, m1
+%if %1
+    mova    [dstq+wq], m0
+%else
+    movq    [dstq+wq], m0
+    movhps  [dstq+wq+8], m0
+%endif
+    add     wq, mmsize
+    jl %%.loop
+    mov     eax, mmsize-1
+    sub     eax, wd
+    movd    m1, eax
+    pshufb  m0, m1
+    movd    eax, m0
+    RET
+%endmacro
+
+; int ff_add_left_pred(uint8_t *dst, const uint8_t *src, int w, int left)
+INIT_MMX ssse3
+cglobal add_left_pred, 3,3,7, dst, src, w, left
+.skip_prologue:
+    mova    m5, [pb_7]
+    mova    m4, [pb_zzzz3333zzzzbbbb]
+    mova    m3, [pb_zz11zz55zz99zzdd]
+    movd    m0, leftm
+    psllq   m0, 56
+    ADD_LEFT_LOOP 1, 1
+
+INIT_XMM sse4
+cglobal add_left_pred, 3,3,7, dst, src, w, left
+    mova    m5, [pb_15]
+    mova    m6, [pb_zzzzzzzz77777777]
+    mova    m4, [pb_zzzz3333zzzzbbbb]
+    mova    m3, [pb_zz11zz55zz99zzdd]
+    movd    m0, leftm
+    pslldq  m0, 15
+    test    srcq, 15
+    jnz .src_unaligned
+    test    dstq, 15
+    jnz .dst_unaligned
+    ADD_LEFT_LOOP 1, 1
+.dst_unaligned:
+    ADD_LEFT_LOOP 0, 1
+.src_unaligned:
+    ADD_LEFT_LOOP 0, 0
+
+%macro ADD_BYTES 0
+cglobal add_bytes, 3,4,2, dst, src, w, size
+    mov  sizeq, wq
+    and  sizeq, -2*mmsize
+    jz  .2
+    add   dstq, sizeq
+    add   srcq, sizeq
+    neg  sizeq
+.1:
+    mova    m0, [srcq + sizeq]
+    mova    m1, [srcq + sizeq + mmsize]
+    paddb   m0, [dstq + sizeq]
+    paddb   m1, [dstq + sizeq + mmsize]
+    mova   [dstq + sizeq], m0
+    mova   [dstq + sizeq + mmsize], m1
+    add  sizeq, 2*mmsize
+    jl .1
+.2:
+    and     wq, 2*mmsize-1
+    jz    .end
+    add   dstq, wq
+    add   srcq, wq
+    neg     wq
+.3:
+    mov  sizeb, [srcq + wq]
+    add [dstq + wq], sizeb
+    inc     wq
+    jl .3
+.end:
+    REP_RET
+%endmacro
+
+%if ARCH_X86_32
+INIT_MMX mmx
+ADD_BYTES
+%endif
+INIT_XMM sse2
+ADD_BYTES
+
 %macro INT16_LOOP 2 ; %1 = a/u (aligned/unaligned), %2 = add/sub
     movd    m4, maskd
     SPLATW  m4, m4
@@ -86,9 +272,11 @@ SECTION .text
     RET
 %endmacro
 
+%if ARCH_X86_32
 INIT_MMX mmx
 cglobal add_int16, 4,4,5, dst, src, mask, w, tmp
     INT16_LOOP a, add
+%endif
 
 INIT_XMM sse2
 cglobal add_int16, 4,4,5, dst, src, mask, w, tmp
@@ -100,9 +288,11 @@ cglobal add_int16, 4,4,5, dst, src, mask, w, tmp
 .unaligned:
     INT16_LOOP u, add
 
+%if ARCH_X86_32
 INIT_MMX mmx
 cglobal diff_int16, 5,5,5, dst, src1, src2, mask, w, tmp
     INT16_LOOP a, sub
+%endif
 
 INIT_XMM sse2
 cglobal diff_int16, 5,5,5, dst, src1, src2, mask, w, tmp
diff --git a/libavcodec/x86/lossless_videodsp_init.c b/libavcodec/x86/lossless_videodsp_init.c
index 548d043..465feef 100644
--- a/libavcodec/x86/lossless_videodsp_init.c
+++ b/libavcodec/x86/lossless_videodsp_init.c
@@ -18,10 +18,27 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "config.h"
+#include "libavutil/x86/asm.h"
 #include "../lossless_videodsp.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/x86/cpu.h"
 
+void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, intptr_t w);
+void ff_add_bytes_sse2(uint8_t *dst, uint8_t *src, intptr_t w);
+
+void ff_add_median_pred_mmxext(uint8_t *dst, const uint8_t *top,
+                               const uint8_t *diff, intptr_t w,
+                               int *left, int *left_top);
+void ff_add_median_pred_sse2(uint8_t *dst, const uint8_t *top,
+                             const uint8_t *diff, intptr_t w,
+                             int *left, int *left_top);
+
+int  ff_add_left_pred_ssse3(uint8_t *dst, const uint8_t *src,
+                            intptr_t w, int left);
+int  ff_add_left_pred_sse4(uint8_t *dst, const uint8_t *src,
+                            intptr_t w, int left);
+
 void ff_add_int16_mmx(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
 void ff_add_int16_sse2(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
 void ff_diff_int16_mmx (uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w);
@@ -31,28 +48,85 @@ int ff_add_hfyu_left_pred_int16_sse4(uint16_t *dst, const uint16_t *src, unsigne
 void ff_add_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *top, const uint16_t *diff, unsigned mask, int w, int *left, int *left_top);
 void ff_sub_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w, int *left, int *left_top);
 
+#if HAVE_INLINE_ASM && HAVE_7REGS && ARCH_X86_32
+static void add_median_pred_cmov(uint8_t *dst, const uint8_t *top,
+                                 const uint8_t *diff, intptr_t w,
+                                 int *left, int *left_top)
+{
+    x86_reg w2 = -w;
+    x86_reg x;
+    int l  = *left     & 0xff;
+    int tl = *left_top & 0xff;
+    int t;
+    __asm__ volatile (
+        "mov          %7, %3            \n"
+        "1:                             \n"
+        "movzbl (%3, %4), %2            \n"
+        "mov          %2, %k3           \n"
+        "sub         %b1, %b3           \n"
+        "add         %b0, %b3           \n"
+        "mov          %2, %1            \n"
+        "cmp          %0, %2            \n"
+        "cmovg        %0, %2            \n"
+        "cmovg        %1, %0            \n"
+        "cmp         %k3, %0            \n"
+        "cmovg       %k3, %0            \n"
+        "mov          %7, %3            \n"
+        "cmp          %2, %0            \n"
+        "cmovl        %2, %0            \n"
+        "add    (%6, %4), %b0           \n"
+        "mov         %b0, (%5, %4)      \n"
+        "inc          %4                \n"
+        "jl           1b                \n"
+        : "+&q"(l), "+&q"(tl), "=&r"(t), "=&q"(x), "+&r"(w2)
+        : "r"(dst + w), "r"(diff + w), "rm"(top + w)
+    );
+    *left     = l;
+    *left_top = tl;
+}
+#endif
 
 void ff_llviddsp_init_x86(LLVidDSPContext *c, AVCodecContext *avctx)
 {
     int cpu_flags = av_get_cpu_flags();
     const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(avctx->pix_fmt);
 
-    if (EXTERNAL_MMX(cpu_flags)) {
+#if HAVE_INLINE_ASM && HAVE_7REGS && ARCH_X86_32
+    if (cpu_flags & AV_CPU_FLAG_CMOV)
+        c->add_median_pred = add_median_pred_cmov;
+#endif
+
+    if (ARCH_X86_32 && EXTERNAL_MMX(cpu_flags)) {
+        c->add_bytes = ff_add_bytes_mmx;
+
         c->add_int16 = ff_add_int16_mmx;
         c->diff_int16 = ff_diff_int16_mmx;
     }
 
+    if (ARCH_X86_32 && EXTERNAL_MMXEXT(cpu_flags)) {
+        /* slower than cmov version on AMD */
+        if (!(cpu_flags & AV_CPU_FLAG_3DNOW))
+            c->add_median_pred = ff_add_median_pred_mmxext;
+    }
+
     if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc && pix_desc->comp[0].depth<16) {
         c->add_hfyu_median_pred_int16 = ff_add_hfyu_median_pred_int16_mmxext;
         c->sub_hfyu_median_pred_int16 = ff_sub_hfyu_median_pred_int16_mmxext;
     }
 
     if (EXTERNAL_SSE2(cpu_flags)) {
+        c->add_bytes       = ff_add_bytes_sse2;
+        c->add_median_pred = ff_add_median_pred_sse2;
+
         c->add_int16 = ff_add_int16_sse2;
         c->diff_int16 = ff_diff_int16_sse2;
     }
 
     if (EXTERNAL_SSSE3(cpu_flags)) {
+        c->add_left_pred = ff_add_left_pred_ssse3;
+        if (cpu_flags & AV_CPU_FLAG_SSE4) // not really SSE4, just slow on Conroe
+            c->add_left_pred = ff_add_left_pred_sse4;
+
         c->add_hfyu_left_pred_int16 = ff_add_hfyu_left_pred_int16_ssse3;
     }