dsputil: Split off pixel block routines into their own context

26 files changed, 621 insertions, 386 deletions

diff --git a/configure b/configure
index dd421ad6cc..7a29e82adf 100755
--- a/configure
+++ b/configure
@@ -1558,6 +1558,7 @@ CONFIG_EXTRA="
     mpegvideo
     mpegvideoenc
     nettle
+    pixblockdsp
     qpeldsp
     rangecoder
     riffdec
@@ -1706,7 +1707,7 @@ threads_if_any="$THREADS_LIST"
 
 # subsystems
 dct_select="rdft"
-dsputil_select="fdctdsp idctdsp"
+dsputil_select="fdctdsp idctdsp pixblockdsp"
 error_resilience_select="dsputil"
 intrax8_select="error_resilience"
 mdct_select="fft"
@@ -1715,7 +1716,7 @@ mpeg_er_select="error_resilience"
 mpegaudio_select="mpegaudiodsp"
 mpegaudiodsp_select="dct"
 mpegvideo_select="blockdsp dsputil hpeldsp idctdsp videodsp"
-mpegvideoenc_select="dsputil mpegvideo qpeldsp"
+mpegvideoenc_select="dsputil mpegvideo pixblockdsp qpeldsp"
 
 # decoders / encoders
 aac_decoder_select="mdct sinewin"
@@ -1732,9 +1733,9 @@ amrwb_decoder_select="lsp"
 amv_decoder_select="sp5x_decoder"
 ape_decoder_select="bswapdsp"
 asv1_decoder_select="blockdsp bswapdsp idctdsp"
-asv1_encoder_select="bswapdsp dsputil fdctdsp"
+asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
 asv2_decoder_select="blockdsp bswapdsp idctdsp"
-asv2_encoder_select="bswapdsp dsputil fdctdsp"
+asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
 atrac1_decoder_select="mdct sinewin"
 atrac3_decoder_select="mdct"
 atrac3p_decoder_select="mdct sinewin"
@@ -1749,9 +1750,9 @@ cscd_decoder_select="lzo"
 cscd_decoder_suggest="zlib"
 dca_decoder_select="mdct"
 dnxhd_decoder_select="blockdsp idctdsp"
-dnxhd_encoder_select="aandcttables blockdsp dsputil fdctdsp idctdsp mpegvideoenc"
+dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
 dvvideo_decoder_select="dvprofile idctdsp"
-dvvideo_encoder_select="dsputil dvprofile fdctdsp"
+dvvideo_encoder_select="dsputil dvprofile fdctdsp pixblockdsp"
 dxa_decoder_deps="zlib"
 eac3_decoder_select="ac3_decoder"
 eac3_encoder_select="ac3_encoder"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 7fa15d55f3..632b0dabc7 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -72,6 +72,7 @@ OBJS-$(CONFIG_MPEGVIDEO)               += mpegvideo.o mpegvideodsp.o    \
 OBJS-$(CONFIG_MPEGVIDEOENC)            += mpegvideo_enc.o mpeg12data.o  \
                                           motion_est.o ratecontrol.o    \
                                           mpegvideoencdsp.o
+OBJS-$(CONFIG_PIXBLOCKDSP)             += pixblockdsp.o
 OBJS-$(CONFIG_QPELDSP)                 += qpeldsp.o
 OBJS-$(CONFIG_RANGECODER)              += rangecoder.o
 RDFT-OBJS-$(CONFIG_HARDCODED_TABLES)   += sin_tables.o
diff --git a/libavcodec/arm/Makefile b/libavcodec/arm/Makefile
index 6c90e1374d..9ba6c2010a 100644
--- a/libavcodec/arm/Makefile
+++ b/libavcodec/arm/Makefile
@@ -23,6 +23,7 @@ OBJS-$(CONFIG_MPEGAUDIODSP)            += arm/mpegaudiodsp_init_arm.o
 OBJS-$(CONFIG_MPEGVIDEO)               += arm/mpegvideo_arm.o
 OBJS-$(CONFIG_MPEGVIDEOENC)            += arm/mpegvideoencdsp_init_arm.o
 OBJS-$(CONFIG_NEON_CLOBBER_TEST)       += arm/neontest.o
+OBJS-$(CONFIG_PIXBLOCKDSP)             += arm/pixblockdsp_init_arm.o
 OBJS-$(CONFIG_VIDEODSP)                += arm/videodsp_init_arm.o
 OBJS-$(CONFIG_VP3DSP)                  += arm/vp3dsp_init_arm.o
 
@@ -62,6 +63,7 @@ ARMV6-OBJS-$(CONFIG_IDCTDSP)           += arm/idctdsp_init_armv6.o      \
                                           arm/simple_idct_armv6.o
 ARMV6-OBJS-$(CONFIG_MPEGAUDIODSP)      += arm/mpegaudiodsp_fixed_armv6.o
 ARMV6-OBJS-$(CONFIG_MPEGVIDEOENC)      += arm/mpegvideoencdsp_armv6.o
+ARMV6-OBJS-$(CONFIG_PIXBLOCKDSP)       += arm/pixblockdsp_armv6.o
 
 ARMV6-OBJS-$(CONFIG_MLP_DECODER)       += arm/mlpdsp_armv6.o
 ARMV6-OBJS-$(CONFIG_VP7_DECODER)       += arm/vp8_armv6.o               \
diff --git a/libavcodec/arm/dsputil_armv6.S b/libavcodec/arm/dsputil_armv6.S
index 8ff0e4a754..436e20dd25 100644
--- a/libavcodec/arm/dsputil_armv6.S
+++ b/libavcodec/arm/dsputil_armv6.S
@@ -20,61 +20,6 @@
 
 #include "libavutil/arm/asm.S"
 
-function ff_get_pixels_armv6, export=1
-        pld             [r1, r2]
-        push            {r4-r8, lr}
-        mov             lr,  #8
-1:
-        ldrd_post       r4,  r5,  r1,  r2
-        subs            lr,  lr,  #1
-        uxtb16          r6,  r4
-        uxtb16          r4,  r4,  ror #8
-        uxtb16          r12, r5
-        uxtb16          r8,  r5,  ror #8
-        pld             [r1, r2]
-        pkhbt           r5,  r6,  r4,  lsl #16
-        pkhtb           r6,  r4,  r6,  asr #16
-        pkhbt           r7,  r12, r8,  lsl #16
-        pkhtb           r12, r8,  r12, asr #16
-        stm             r0!, {r5,r6,r7,r12}
-        bgt             1b
-
-        pop             {r4-r8, pc}
-endfunc
-
-function ff_diff_pixels_armv6, export=1
-        pld             [r1, r3]
-        pld             [r2, r3]
-        push            {r4-r9, lr}
-        mov             lr,  #8
-1:
-        ldrd_post       r4,  r5,  r1,  r3
-        ldrd_post       r6,  r7,  r2,  r3
-        uxtb16          r8,  r4
-        uxtb16          r4,  r4,  ror #8
-        uxtb16          r9,  r6
-        uxtb16          r6,  r6,  ror #8
-        pld             [r1, r3]
-        ssub16          r9,  r8,  r9
-        ssub16          r6,  r4,  r6
-        uxtb16          r8,  r5
-        uxtb16          r5,  r5,  ror #8
-        pld             [r2, r3]
-        pkhbt           r4,  r9,  r6,  lsl #16
-        pkhtb           r6,  r6,  r9,  asr #16
-        uxtb16          r9,  r7
-        uxtb16          r7,  r7,  ror #8
-        ssub16          r9,  r8,  r9
-        ssub16          r5,  r5,  r7
-        subs            lr,  lr,  #1
-        pkhbt           r8,  r9,  r5,  lsl #16
-        pkhtb           r9,  r5,  r9,  asr #16
-        stm             r0!, {r4,r6,r8,r9}
-        bgt             1b
-
-        pop             {r4-r9, pc}
-endfunc
-
 function ff_pix_abs16_armv6, export=1
         ldr             r0,  [sp]
         push            {r4-r9, lr}
diff --git a/libavcodec/arm/dsputil_init_armv6.c b/libavcodec/arm/dsputil_init_armv6.c
index 85ee8e1db4..bb93d669b9 100644
--- a/libavcodec/arm/dsputil_init_armv6.c
+++ b/libavcodec/arm/dsputil_init_armv6.c
@@ -26,10 +26,6 @@
 #include "libavcodec/mpegvideo.h"
 #include "dsputil_arm.h"
 
-void ff_get_pixels_armv6(int16_t *block, const uint8_t *pixels, int stride);
-void ff_diff_pixels_armv6(int16_t *block, const uint8_t *s1,
-                          const uint8_t *s2, int stride);
-
 int ff_pix_abs16_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
                        int line_size, int h);
 int ff_pix_abs16_x2_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
@@ -46,10 +42,6 @@ int ff_sse16_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
 av_cold void ff_dsputil_init_armv6(DSPContext *c, AVCodecContext *avctx,
                                    unsigned high_bit_depth)
 {
-    if (!high_bit_depth)
-        c->get_pixels = ff_get_pixels_armv6;
-    c->diff_pixels = ff_diff_pixels_armv6;
-
     c->pix_abs[0][0] = ff_pix_abs16_armv6;
     c->pix_abs[0][1] = ff_pix_abs16_x2_armv6;
     c->pix_abs[0][2] = ff_pix_abs16_y2_armv6;
diff --git a/libavcodec/arm/pixblockdsp_armv6.S b/libavcodec/arm/pixblockdsp_armv6.S
new file mode 100644
index 0000000000..4c925a4daa
--- /dev/null
+++ b/libavcodec/arm/pixblockdsp_armv6.S
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/arm/asm.S"
+
+function ff_get_pixels_armv6, export=1
+        pld             [r1, r2]
+        push            {r4-r8, lr}
+        mov             lr,  #8
+1:
+        ldrd_post       r4,  r5,  r1,  r2
+        subs            lr,  lr,  #1
+        uxtb16          r6,  r4
+        uxtb16          r4,  r4,  ror #8
+        uxtb16          r12, r5
+        uxtb16          r8,  r5,  ror #8
+        pld             [r1, r2]
+        pkhbt           r5,  r6,  r4,  lsl #16
+        pkhtb           r6,  r4,  r6,  asr #16
+        pkhbt           r7,  r12, r8,  lsl #16
+        pkhtb           r12, r8,  r12, asr #16
+        stm             r0!, {r5,r6,r7,r12}
+        bgt             1b
+
+        pop             {r4-r8, pc}
+endfunc
+
+function ff_diff_pixels_armv6, export=1
+        pld             [r1, r3]
+        pld             [r2, r3]
+        push            {r4-r9, lr}
+        mov             lr,  #8
+1:
+        ldrd_post       r4,  r5,  r1,  r3
+        ldrd_post       r6,  r7,  r2,  r3
+        uxtb16          r8,  r4
+        uxtb16          r4,  r4,  ror #8
+        uxtb16          r9,  r6
+        uxtb16          r6,  r6,  ror #8
+        pld             [r1, r3]
+        ssub16          r9,  r8,  r9
+        ssub16          r6,  r4,  r6
+        uxtb16          r8,  r5
+        uxtb16          r5,  r5,  ror #8
+        pld             [r2, r3]
+        pkhbt           r4,  r9,  r6,  lsl #16
+        pkhtb           r6,  r6,  r9,  asr #16
+        uxtb16          r9,  r7
+        uxtb16          r7,  r7,  ror #8
+        ssub16          r9,  r8,  r9
+        ssub16          r5,  r5,  r7
+        subs            lr,  lr,  #1
+        pkhbt           r8,  r9,  r5,  lsl #16
+        pkhtb           r9,  r5,  r9,  asr #16
+        stm             r0!, {r4,r6,r8,r9}
+        bgt             1b
+
+        pop             {r4-r9, pc}
+endfunc
diff --git a/libavcodec/arm/pixblockdsp_init_arm.c b/libavcodec/arm/pixblockdsp_init_arm.c
new file mode 100644
index 0000000000..f20769b3bc
--- /dev/null
+++ b/libavcodec/arm/pixblockdsp_init_arm.c
@@ -0,0 +1,42 @@
+/*
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/arm/cpu.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/pixblockdsp.h"
+
+void ff_get_pixels_armv6(int16_t *block, const uint8_t *pixels, int stride);
+void ff_diff_pixels_armv6(int16_t *block, const uint8_t *s1,
+                          const uint8_t *s2, int stride);
+
+av_cold void ff_pixblockdsp_init_arm(PixblockDSPContext *c,
+                                     AVCodecContext *avctx,
+                                     unsigned high_bit_depth)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (have_armv6(cpu_flags)) {
+        if (!high_bit_depth)
+            c->get_pixels = ff_get_pixels_armv6;
+        c->diff_pixels = ff_diff_pixels_armv6;
+    }
+}
diff --git a/libavcodec/asv.h b/libavcodec/asv.h
index 71d2583c2c..9ae3737f08 100644
--- a/libavcodec/asv.h
+++ b/libavcodec/asv.h
@@ -33,19 +33,19 @@
 #include "avcodec.h"
 #include "blockdsp.h"
 #include "bswapdsp.h"
-#include "dsputil.h"
 #include "fdctdsp.h"
 #include "idctdsp.h"
 #include "get_bits.h"
+#include "pixblockdsp.h"
 #include "put_bits.h"
 
 typedef struct ASV1Context{
     AVCodecContext *avctx;
     BlockDSPContext bdsp;
     BswapDSPContext bbdsp;
-    DSPContext dsp;
     FDCTDSPContext fdsp;
     IDCTDSPContext idsp;
+    PixblockDSPContext pdsp;
     PutBitContext pb;
     GetBitContext gb;
     ScanTable scantable;
diff --git a/libavcodec/asvenc.c b/libavcodec/asvenc.c
index 1a7021f5a4..9944ffaa7c 100644
--- a/libavcodec/asvenc.c
+++ b/libavcodec/asvenc.c
@@ -159,16 +159,16 @@ static inline void dct_get(ASV1Context *a, const AVFrame *frame,
     uint8_t *ptr_cb = frame->data[1] + (mb_y * 8 * frame->linesize[1]) + mb_x * 8;
     uint8_t *ptr_cr = frame->data[2] + (mb_y * 8 * frame->linesize[2]) + mb_x * 8;
 
-    a->dsp.get_pixels(block[0], ptr_y                 , linesize);
-    a->dsp.get_pixels(block[1], ptr_y              + 8, linesize);
-    a->dsp.get_pixels(block[2], ptr_y + 8*linesize    , linesize);
-    a->dsp.get_pixels(block[3], ptr_y + 8*linesize + 8, linesize);
+    a->pdsp.get_pixels(block[0], ptr_y,                    linesize);
+    a->pdsp.get_pixels(block[1], ptr_y + 8,                linesize);
+    a->pdsp.get_pixels(block[2], ptr_y + 8 * linesize,     linesize);
+    a->pdsp.get_pixels(block[3], ptr_y + 8 * linesize + 8, linesize);
     for(i=0; i<4; i++)
         a->fdsp.fdct(block[i]);
 
     if(!(a->avctx->flags&CODEC_FLAG_GRAY)){
-        a->dsp.get_pixels(block[4], ptr_cb, frame->linesize[1]);
-        a->dsp.get_pixels(block[5], ptr_cr, frame->linesize[2]);
+        a->pdsp.get_pixels(block[4], ptr_cb, frame->linesize[1]);
+        a->pdsp.get_pixels(block[5], ptr_cr, frame->linesize[2]);
         for(i=4; i<6; i++)
             a->fdsp.fdct(block[i]);
     }
@@ -248,8 +248,8 @@ static av_cold int encode_init(AVCodecContext *avctx){
     avctx->coded_frame->key_frame = 1;
 
     ff_asv_common_init(avctx);
-    ff_dsputil_init(&a->dsp, avctx);
     ff_fdctdsp_init(&a->fdsp, avctx);
+    ff_pixblockdsp_init(&a->pdsp, avctx);
 
     if(avctx->global_quality == 0) avctx->global_quality= 4*FF_QUALITY_SCALE;
 
diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c
index 6ba0e12c77..e656b6edba 100644
--- a/libavcodec/dnxhdenc.c
+++ b/libavcodec/dnxhdenc.c
@@ -30,10 +30,10 @@
 
 #include "avcodec.h"
 #include "blockdsp.h"
-#include "dsputil.h"
 #include "fdctdsp.h"
 #include "internal.h"
 #include "mpegvideo.h"
+#include "pixblockdsp.h"
 #include "dnxhdenc.h"
 
 // The largest value that will not lead to overflow for 10bit samples.
@@ -308,10 +308,10 @@ static av_cold int dnxhd_encode_init(AVCodecContext *avctx)
     avctx->bits_per_raw_sample = ctx->cid_table->bit_depth;
 
     ff_blockdsp_init(&ctx->bdsp, avctx);
-    ff_dsputil_init(&ctx->m.dsp, avctx);
     ff_fdctdsp_init(&ctx->m.fdsp, avctx);
     ff_idctdsp_init(&ctx->m.idsp, avctx);
     ff_mpegvideoencdsp_init(&ctx->m.mpvencdsp, avctx);
+    ff_pixblockdsp_init(&ctx->m.pdsp, avctx);
     ff_dct_common_init(&ctx->m);
     if (!ctx->m.dct_quantize)
         ctx->m.dct_quantize = ff_dct_quantize_c;
@@ -540,12 +540,12 @@ void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, int mb_y)
                            ((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << bs);
     const uint8_t *ptr_v = ctx->thread[0]->src[2] +
                            ((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << bs);
-    DSPContext *dsp = &ctx->m.dsp;
+    PixblockDSPContext *pdsp = &ctx->m.pdsp;
 
-    dsp->get_pixels(ctx->blocks[0], ptr_y,      ctx->m.linesize);
-    dsp->get_pixels(ctx->blocks[1], ptr_y + bw, ctx->m.linesize);
-    dsp->get_pixels(ctx->blocks[2], ptr_u,      ctx->m.uvlinesize);
-    dsp->get_pixels(ctx->blocks[3], ptr_v,      ctx->m.uvlinesize);
+    pdsp->get_pixels(ctx->blocks[0], ptr_y,      ctx->m.linesize);
+    pdsp->get_pixels(ctx->blocks[1], ptr_y + bw, ctx->m.linesize);
+    pdsp->get_pixels(ctx->blocks[2], ptr_u,      ctx->m.uvlinesize);
+    pdsp->get_pixels(ctx->blocks[3], ptr_v,      ctx->m.uvlinesize);
 
     if (mb_y + 1 == ctx->m.mb_height && ctx->m.avctx->height == 1080) {
         if (ctx->interlaced) {
@@ -568,14 +568,14 @@ void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, int mb_y)
             ctx->bdsp.clear_block(ctx->blocks[7]);
         }
     } else {
-        dsp->get_pixels(ctx->blocks[4],
-                        ptr_y + ctx->dct_y_offset, ctx->m.linesize);
-        dsp->get_pixels(ctx->blocks[5],
-                        ptr_y + ctx->dct_y_offset + bw, ctx->m.linesize);
-        dsp->get_pixels(ctx->blocks[6],
-                        ptr_u + ctx->dct_uv_offset, ctx->m.uvlinesize);
-        dsp->get_pixels(ctx->blocks[7],
-                        ptr_v + ctx->dct_uv_offset, ctx->m.uvlinesize);
+        pdsp->get_pixels(ctx->blocks[4],
+                         ptr_y + ctx->dct_y_offset, ctx->m.linesize);
+        pdsp->get_pixels(ctx->blocks[5],
+                         ptr_y + ctx->dct_y_offset + bw, ctx->m.linesize);
+        pdsp->get_pixels(ctx->blocks[6],
+                         ptr_u + ctx->dct_uv_offset, ctx->m.uvlinesize);
+        pdsp->get_pixels(ctx->blocks[7],
+                         ptr_v + ctx->dct_uv_offset, ctx->m.uvlinesize);
     }
 }
 
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index 0dbd91078d..8d0cef2e82 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -35,13 +35,6 @@
 
 uint32_t ff_square_tab[512] = { 0, };
 
-#define BIT_DEPTH 16
-#include "dsputilenc_template.c"
-#undef BIT_DEPTH
-
-#define BIT_DEPTH 8
-#include "dsputilenc_template.c"
-
 static int sse4_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
                   int line_size, int h)
 {
@@ -110,27 +103,6 @@ static int sse16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
     return s;
 }
 
-static void diff_pixels_c(int16_t *restrict block, const uint8_t *s1,
-                          const uint8_t *s2, int stride)
-{
-    int i;
-
-    /* read the pixels */
-    for (i = 0; i < 8; i++) {
-        block[0] = s1[0] - s2[0];
-        block[1] = s1[1] - s2[1];
-        block[2] = s1[2] - s2[2];
-        block[3] = s1[3] - s2[3];
-        block[4] = s1[4] - s2[4];
-        block[5] = s1[5] - s2[5];
-        block[6] = s1[6] - s2[6];
-        block[7] = s1[7] - s2[7];
-        s1      += stride;
-        s2      += stride;
-        block   += 8;
-    }
-}
-
 static int sum_abs_dctelem_c(int16_t *block)
 {
     int sum = 0, i;
@@ -577,7 +549,7 @@ static int dct_sad8x8_c(MpegEncContext *s, uint8_t *src1,
 
     assert(h == 8);
 
-    s->dsp.diff_pixels(temp, src1, src2, stride);
+    s->pdsp.diff_pixels(temp, src1, src2, stride);
     s->fdsp.fdct(temp);
     return s->dsp.sum_abs_dctelem(temp);
 }
@@ -617,7 +589,7 @@ static int dct264_sad8x8_c(MpegEncContext *s, uint8_t *src1,
     int16_t dct[8][8];
     int i, sum = 0;
 
-    s->dsp.diff_pixels(dct[0], src1, src2, stride);
+    s->pdsp.diff_pixels(dct[0], src1, src2, stride);
 
 #define SRC(x) dct[i][x]
 #define DST(x, v) dct[i][x] = v
@@ -644,7 +616,7 @@ static int dct_max8x8_c(MpegEncContext *s, uint8_t *src1,
 
     assert(h == 8);
 
-    s->dsp.diff_pixels(temp, src1, src2, stride);
+    s->pdsp.diff_pixels(temp, src1, src2, stride);
     s->fdsp.fdct(temp);
 
     for (i = 0; i < 64; i++)
@@ -663,7 +635,7 @@ static int quant_psnr8x8_c(MpegEncContext *s, uint8_t *src1,
     assert(h == 8);
     s->mb_intra = 0;
 
-    s->dsp.diff_pixels(temp, src1, src2, stride);
+    s->pdsp.diff_pixels(temp, src1, src2, stride);
 
     memcpy(bak, temp, 64 * sizeof(int16_t));
 
@@ -694,7 +666,7 @@ static int rd8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,
     copy_block8(lsrc1, src1, 8, stride, 8);
     copy_block8(lsrc2, src2, 8, stride, 8);
 
-    s->dsp.diff_pixels(temp, lsrc1, lsrc2, 8);
+    s->pdsp.diff_pixels(temp, lsrc1, lsrc2, 8);
 
     s->block_last_index[0 /* FIXME */] =
     last                               =
@@ -766,7 +738,7 @@ static int bit8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,
 
     assert(h == 8);
 
-    s->dsp.diff_pixels(temp, src1, src2, stride);
+    s->pdsp.diff_pixels(temp, src1, src2, stride);
 
     s->block_last_index[0 /* FIXME */] =
     last                               =
@@ -932,8 +904,6 @@ av_cold void ff_dsputil_init(DSPContext *c, AVCodecContext *avctx)
 {
     const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
 
-    c->diff_pixels = diff_pixels_c;
-
     c->sum_abs_dctelem = sum_abs_dctelem_c;
 
     /* TODO [0] 16  [1] 8 */
@@ -975,16 +945,6 @@ av_cold void ff_dsputil_init(DSPContext *c, AVCodecContext *avctx)
     c->nsse[0] = nsse16_c;
     c->nsse[1] = nsse8_c;
 
-    switch (avctx->bits_per_raw_sample) {
-    case 9:
-    case 10:
-        c->get_pixels = get_pixels_16_c;
-        break;
-    default:
-        c->get_pixels = get_pixels_8_c;
-        break;
-    }
-
     if (ARCH_ARM)
         ff_dsputil_init_arm(c, avctx, high_bit_depth);
     if (ARCH_PPC)
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index e640f3a86b..b18930559e 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -48,14 +48,6 @@ typedef int (*me_cmp_func)(struct MpegEncContext *c,
  * DSPContext.
  */
 typedef struct DSPContext {
-    /* pixel ops : interface with DCT */
-    void (*get_pixels)(int16_t *block /* align 16 */,
-                       const uint8_t *pixels /* align 8 */,
-                       int line_size);
-    void (*diff_pixels)(int16_t *block /* align 16 */,
-                        const uint8_t *s1 /* align 8 */,
-                        const uint8_t *s2 /* align 8 */,
-                        int stride);
     int (*sum_abs_dctelem)(int16_t *block /* align 16 */);
 
     me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */
diff --git a/libavcodec/dvenc.c b/libavcodec/dvenc.c
index a4e5376bd6..9f458e3e47 100644
--- a/libavcodec/dvenc.c
+++ b/libavcodec/dvenc.c
@@ -31,6 +31,7 @@
 #include "dsputil.h"
 #include "fdctdsp.h"
 #include "internal.h"
+#include "pixblockdsp.h"
 #include "put_bits.h"
 #include "dv.h"
 #include "dv_tablegen.h"
@@ -41,6 +42,7 @@ static av_cold int dvvideo_encode_init(AVCodecContext *avctx)
     DVVideoContext *s = avctx->priv_data;
     DSPContext dsp;
     FDCTDSPContext fdsp;
+    PixblockDSPContext pdsp;
     int ret;
 
     s->sys = avpriv_dv_codec_profile(avctx);
@@ -65,9 +67,10 @@ static av_cold int dvvideo_encode_init(AVCodecContext *avctx)
 
     ff_dsputil_init(&dsp, avctx);
     ff_fdctdsp_init(&fdsp, avctx);
+    ff_pixblockdsp_init(&pdsp, avctx);
     ff_set_cmp(&dsp, dsp.ildct_cmp, avctx->ildct_cmp);
 
-    s->get_pixels = dsp.get_pixels;
+    s->get_pixels = pdsp.get_pixels;
     s->ildct_cmp  = dsp.ildct_cmp[5];
 
     s->fdct[0]    = fdsp.fdct;
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index b2da21d43b..b498d50168 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -39,6 +39,7 @@
 #include "idctdsp.h"
 #include "mpegvideodsp.h"
 #include "mpegvideoencdsp.h"
+#include "pixblockdsp.h"
 #include "put_bits.h"
 #include "ratecontrol.h"
 #include "parser.h"
@@ -361,6 +362,7 @@ typedef struct MpegEncContext {
     IDCTDSPContext idsp;
     MpegVideoDSPContext mdsp;
     MpegvideoEncDSPContext mpvencdsp;
+    PixblockDSPContext pdsp;
     QpelDSPContext qdsp;
     VideoDSPContext vdsp;
     H263DSPContext h263dsp;
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 0cf7ed4d65..e2504c7b72 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -37,7 +37,6 @@
 #include "libavutil/timer.h"
 #include "avcodec.h"
 #include "dct.h"
-#include "dsputil.h"
 #include "idctdsp.h"
 #include "mpeg12.h"
 #include "mpegvideo.h"
@@ -48,6 +47,7 @@
 #include "mpegutils.h"
 #include "mjpegenc.h"
 #include "msmpeg4.h"
+#include "pixblockdsp.h"
 #include "qpeldsp.h"
 #include "faandct.h"
 #include "thread.h"
@@ -703,6 +703,7 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
 
     ff_fdctdsp_init(&s->fdsp, avctx);
     ff_mpegvideoencdsp_init(&s->mpvencdsp, avctx);
+    ff_pixblockdsp_init(&s->pdsp, avctx);
     ff_qpeldsp_init(&s->qdsp);
 
     s->avctx->coded_frame = s->current_picture.f;
@@ -1943,22 +1944,22 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
             }
         }
 
-        s->dsp.get_pixels(s->block[0], ptr_y                  , wrap_y);
-        s->dsp.get_pixels(s->block[1], ptr_y              + 8 , wrap_y);
-        s->dsp.get_pixels(s->block[2], ptr_y + dct_offset     , wrap_y);
-        s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8 , wrap_y);
+        s->pdsp.get_pixels(s->block[0], ptr_y,                  wrap_y);
+        s->pdsp.get_pixels(s->block[1], ptr_y + 8,              wrap_y);
+        s->pdsp.get_pixels(s->block[2], ptr_y + dct_offset,     wrap_y);
+        s->pdsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
 
         if (s->flags & CODEC_FLAG_GRAY) {
             skip_dct[4] = 1;
             skip_dct[5] = 1;
         } else {
-            s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
-            s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
+            s->pdsp.get_pixels(s->block[4], ptr_cb, wrap_c);
+            s->pdsp.get_pixels(s->block[5], ptr_cr, wrap_c);
             if (!s->chroma_y_shift) { /* 422 */
-                s->dsp.get_pixels(s->block[6],
-                                  ptr_cb + (dct_offset >> 1), wrap_c);
-                s->dsp.get_pixels(s->block[7],
-                                  ptr_cr + (dct_offset >> 1), wrap_c);
+                s->pdsp.get_pixels(s->block[6],
+                                   ptr_cb + (dct_offset >> 1), wrap_c);
+                s->pdsp.get_pixels(s->block[7],
+                                   ptr_cr + (dct_offset >> 1), wrap_c);
             }
         }
     } else {
@@ -2024,24 +2025,24 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
             }
         }
 
-        s->dsp.diff_pixels(s->block[0], ptr_y, dest_y, wrap_y);
-        s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
-        s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset,
-                           dest_y + dct_offset, wrap_y);
-        s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8,
-                           dest_y + dct_offset + 8, wrap_y);
+        s->pdsp.diff_pixels(s->block[0], ptr_y, dest_y, wrap_y);
+        s->pdsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
+        s->pdsp.diff_pixels(s->block[2], ptr_y + dct_offset,
+                            dest_y + dct_offset, wrap_y);
+        s->pdsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8,
+                            dest_y + dct_offset + 8, wrap_y);
 
         if (s->flags & CODEC_FLAG_GRAY) {
             skip_dct[4] = 1;
             skip_dct[5] = 1;
         } else {
-            s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
-            s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
+            s->pdsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
+            s->pdsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
             if (!s->chroma_y_shift) { /* 422 */
-                s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset >> 1),
-                                   dest_cb + (dct_offset >> 1), wrap_c);
-                s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset >> 1),
-                                   dest_cr + (dct_offset >> 1), wrap_c);
+                s->pdsp.diff_pixels(s->block[6], ptr_cb + (dct_offset >> 1),
+                                    dest_cb + (dct_offset >> 1), wrap_c);
+                s->pdsp.diff_pixels(s->block[7], ptr_cr + (dct_offset >> 1),
+                                    dest_cr + (dct_offset >> 1), wrap_c);
             }
         }
         /* pre quantization */
diff --git a/libavcodec/pixblockdsp.c b/libavcodec/pixblockdsp.c
new file mode 100644
index 0000000000..71423f9cfc
--- /dev/null
+++ b/libavcodec/pixblockdsp.c
@@ -0,0 +1,76 @@
+/*
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+
+#include "config.h"
+#include "libavutil/attributes.h"
+#include "avcodec.h"
+#include "pixblockdsp.h"
+
+#define BIT_DEPTH 16
+#include "pixblockdsp_template.c"
+#undef BIT_DEPTH
+
+#define BIT_DEPTH 8
+#include "pixblockdsp_template.c"
+
+static void diff_pixels_c(int16_t *restrict block, const uint8_t *s1,
+                          const uint8_t *s2, int stride)
+{
+    int i;
+
+    /* read the pixels */
+    for (i = 0; i < 8; i++) {
+        block[0] = s1[0] - s2[0];
+        block[1] = s1[1] - s2[1];
+        block[2] = s1[2] - s2[2];
+        block[3] = s1[3] - s2[3];
+        block[4] = s1[4] - s2[4];
+        block[5] = s1[5] - s2[5];
+        block[6] = s1[6] - s2[6];
+        block[7] = s1[7] - s2[7];
+        s1      += stride;
+        s2      += stride;
+        block   += 8;
+    }
+}
+
+av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx)
+{
+    const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
+
+    c->diff_pixels = diff_pixels_c;
+
+    switch (avctx->bits_per_raw_sample) {
+    case 9:
+    case 10:
+        c->get_pixels = get_pixels_16_c;
+        break;
+    default:
+        c->get_pixels = get_pixels_8_c;
+        break;
+    }
+
+    if (ARCH_ARM)
+        ff_pixblockdsp_init_arm(c, avctx, high_bit_depth);
+    if (ARCH_PPC)
+        ff_pixblockdsp_init_ppc(c, avctx, high_bit_depth);
+    if (ARCH_X86)
+        ff_pixblockdsp_init_x86(c, avctx, high_bit_depth);
+}
diff --git a/libavcodec/pixblockdsp.h b/libavcodec/pixblockdsp.h
new file mode 100644
index 0000000000..8094d14b68
--- /dev/null
+++ b/libavcodec/pixblockdsp.h
@@ -0,0 +1,44 @@
+/*
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_PIXBLOCKDSP_H
+#define AVCODEC_PIXBLOCKDSP_H
+
+#include <stdint.h>
+
+#include "avcodec.h"
+
+typedef struct PixblockDSPContext {
+    void (*get_pixels)(int16_t *block /* align 16 */,
+                       const uint8_t *pixels /* align 8 */,
+                       int line_size);
+    void (*diff_pixels)(int16_t *block /* align 16 */,
+                        const uint8_t *s1 /* align 8 */,
+                        const uint8_t *s2 /* align 8 */,
+                        int stride);
+} PixblockDSPContext;
+
+void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx);
+void ff_pixblockdsp_init_arm(PixblockDSPContext *c, AVCodecContext *avctx,
+                             unsigned high_bit_depth);
+void ff_pixblockdsp_init_ppc(PixblockDSPContext *c, AVCodecContext *avctx,
+                             unsigned high_bit_depth);
+void ff_pixblockdsp_init_x86(PixblockDSPContext *c, AVCodecContext *avctx,
+                             unsigned high_bit_depth);
+
+#endif /* AVCODEC_PIXBLOCKDSP_H */
diff --git a/libavcodec/dsputilenc_template.c b/libavcodec/pixblockdsp_template.c
index 94e0d7cda0..71d3cf150d 100644
--- a/libavcodec/dsputilenc_template.c
+++ b/libavcodec/pixblockdsp_template.c
@@ -1,10 +1,4 @@
 /*
- * DSP utils
- * Copyright (c) 2000, 2001 Fabrice Bellard
- * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
- *
- * gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at>
- *
  * This file is part of Libav.
  *
  * Libav is free software; you can redistribute it and/or
@@ -22,11 +16,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-/**
- * @file
- * DSP utils
- */
-
 #include "bit_depth_template.c"
 
 static void FUNCC(get_pixels)(int16_t *restrict block, const uint8_t *_pixels,
diff --git a/libavcodec/ppc/Makefile b/libavcodec/ppc/Makefile
index 5118b9e6c4..64938b6ffb 100644
--- a/libavcodec/ppc/Makefile
+++ b/libavcodec/ppc/Makefile
@@ -15,6 +15,7 @@ OBJS-$(CONFIG_MPEGAUDIODSP)            += ppc/mpegaudiodsp_altivec.o
 OBJS-$(CONFIG_MPEGVIDEO)               += ppc/mpegvideo_altivec.o      \
                                           ppc/mpegvideodsp.o
 OBJS-$(CONFIG_MPEGVIDEOENC)            += ppc/mpegvideoencdsp.o
+OBJS-$(CONFIG_PIXBLOCKDSP)             += ppc/pixblockdsp.o
 OBJS-$(CONFIG_VIDEODSP)                += ppc/videodsp_ppc.o
 OBJS-$(CONFIG_VP3DSP)                  += ppc/vp3dsp_altivec.o
 
diff --git a/libavcodec/ppc/dsputil_altivec.c b/libavcodec/ppc/dsputil_altivec.c
index efb4a18535..2dfe17bbbf 100644
--- a/libavcodec/ppc/dsputil_altivec.c
+++ b/libavcodec/ppc/dsputil_altivec.c
@@ -402,105 +402,6 @@ static int sse16_altivec(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
     return s;
 }
 
-static void get_pixels_altivec(int16_t *restrict block, const uint8_t *pixels,
-                               int line_size)
-{
-    int i;
-    vector unsigned char perm = vec_lvsl(0, pixels);
-    const vector unsigned char zero =
-        (const vector unsigned char) vec_splat_u8(0);
-
-    for (i = 0; i < 8; i++) {
-        /* Read potentially unaligned pixels.
-         * We're reading 16 pixels, and actually only want 8,
-         * but we simply ignore the extras. */
-        vector unsigned char pixl = vec_ld(0, pixels);
-        vector unsigned char pixr = vec_ld(7, pixels);
-        vector unsigned char bytes = vec_perm(pixl, pixr, perm);
-
-        // Convert the bytes into shorts.
-        vector signed short shorts = (vector signed short) vec_mergeh(zero,
-                                                                      bytes);
-
-        // Save the data to the block, we assume the block is 16-byte aligned.
-        vec_st(shorts, i * 16, (vector signed short *) block);
-
-        pixels += line_size;
-    }
-}
-
-static void diff_pixels_altivec(int16_t *restrict block, const uint8_t *s1,
-                                const uint8_t *s2, int stride)
-{
-    int i;
-    vector unsigned char perm1 = vec_lvsl(0, s1);
-    vector unsigned char perm2 = vec_lvsl(0, s2);
-    const vector unsigned char zero =
-        (const vector unsigned char) vec_splat_u8(0);
-    vector signed short shorts1, shorts2;
-
-    for (i = 0; i < 4; i++) {
-        /* Read potentially unaligned pixels.
-         * We're reading 16 pixels, and actually only want 8,
-         * but we simply ignore the extras. */
-        vector unsigned char pixl  = vec_ld(0,  s1);
-        vector unsigned char pixr  = vec_ld(15, s1);
-        vector unsigned char bytes = vec_perm(pixl, pixr, perm1);
-
-        // Convert the bytes into shorts.
-        shorts1 = (vector signed short) vec_mergeh(zero, bytes);
-
-        // Do the same for the second block of pixels.
-        pixl  = vec_ld(0,  s2);
-        pixr  = vec_ld(15, s2);
-        bytes = vec_perm(pixl, pixr, perm2);
-
-        // Convert the bytes into shorts.
-        shorts2 = (vector signed short) vec_mergeh(zero, bytes);
-
-        // Do the subtraction.
-        shorts1 = vec_sub(shorts1, shorts2);
-
-        // Save the data to the block, we assume the block is 16-byte aligned.
-        vec_st(shorts1, 0, (vector signed short *) block);
-
-        s1    += stride;
-        s2    += stride;
-        block += 8;
-
-        /* The code below is a copy of the code above...
-         * This is a manual unroll. */
-
-        /* Read potentially unaligned pixels.
-         * We're reading 16 pixels, and actually only want 8,
-         * but we simply ignore the extras. */
-        pixl  = vec_ld(0,  s1);
-        pixr  = vec_ld(15, s1);
-        bytes = vec_perm(pixl, pixr, perm1);
-
-        // Convert the bytes into shorts.
-        shorts1 = (vector signed short) vec_mergeh(zero, bytes);
-
-        // Do the same for the second block of pixels.
-        pixl  = vec_ld(0,  s2);
-        pixr  = vec_ld(15, s2);
-        bytes = vec_perm(pixl, pixr, perm2);
-
-        // Convert the bytes into shorts.
-        shorts2 = (vector signed short) vec_mergeh(zero, bytes);
-
-        // Do the subtraction.
-        shorts1 = vec_sub(shorts1, shorts2);
-
-        // Save the data to the block, we assume the block is 16-byte aligned.
-        vec_st(shorts1, 0, (vector signed short *) block);
-
-        s1    += stride;
-        s2    += stride;
-        block += 8;
-    }
-}
-
 static int hadamard8_diff8x8_altivec(MpegEncContext *s, uint8_t *dst,
                                      uint8_t *src, int stride, int h)
 {
@@ -854,12 +755,6 @@ av_cold void ff_dsputil_init_altivec(DSPContext *c, AVCodecContext *avctx,
     c->sse[0] = sse16_altivec;
     c->sse[1] = sse8_altivec;
 
-    c->diff_pixels = diff_pixels_altivec;
-
-    if (!high_bit_depth) {
-        c->get_pixels = get_pixels_altivec;
-    }
-
     c->hadamard8_diff[0] = hadamard8_diff16_altivec;
     c->hadamard8_diff[1] = hadamard8_diff8x8_altivec;
 }
diff --git a/libavcodec/ppc/pixblockdsp.c b/libavcodec/ppc/pixblockdsp.c
new file mode 100644
index 0000000000..698d655fc6
--- /dev/null
+++ b/libavcodec/ppc/pixblockdsp.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2002 Brian Foley
+ * Copyright (c) 2002 Dieter Shirley
+ * Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org>
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#if HAVE_ALTIVEC_H
+#include <altivec.h>
+#endif
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/ppc/cpu.h"
+#include "libavutil/ppc/types_altivec.h"
+#include "libavutil/ppc/util_altivec.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/pixblockdsp.h"
+
+#if HAVE_ALTIVEC
+
+static void get_pixels_altivec(int16_t *restrict block, const uint8_t *pixels,
+                               int line_size)
+{
+    int i;
+    vector unsigned char perm = vec_lvsl(0, pixels);
+    const vector unsigned char zero =
+        (const vector unsigned char) vec_splat_u8(0);
+
+    for (i = 0; i < 8; i++) {
+        /* Read potentially unaligned pixels.
+         * We're reading 16 pixels, and actually only want 8,
+         * but we simply ignore the extras. */
+        vector unsigned char pixl = vec_ld(0, pixels);
+        vector unsigned char pixr = vec_ld(7, pixels);
+        vector unsigned char bytes = vec_perm(pixl, pixr, perm);
+
+        // Convert the bytes into shorts.
+        vector signed short shorts = (vector signed short) vec_mergeh(zero,
+                                                                      bytes);
+
+        // Save the data to the block, we assume the block is 16-byte aligned.
+        vec_st(shorts, i * 16, (vector signed short *) block);
+
+        pixels += line_size;
+    }
+}
+
+static void diff_pixels_altivec(int16_t *restrict block, const uint8_t *s1,
+                                const uint8_t *s2, int stride)
+{
+    int i;
+    vector unsigned char perm1 = vec_lvsl(0, s1);
+    vector unsigned char perm2 = vec_lvsl(0, s2);
+    const vector unsigned char zero =
+        (const vector unsigned char) vec_splat_u8(0);
+    vector signed short shorts1, shorts2;
+
+    for (i = 0; i < 4; i++) {
+        /* Read potentially unaligned pixels.
+         * We're reading 16 pixels, and actually only want 8,
+         * but we simply ignore the extras. */
+        vector unsigned char pixl  = vec_ld(0,  s1);
+        vector unsigned char pixr  = vec_ld(15, s1);
+        vector unsigned char bytes = vec_perm(pixl, pixr, perm1);
+
+        // Convert the bytes into shorts.
+        shorts1 = (vector signed short) vec_mergeh(zero, bytes);
+
+        // Do the same for the second block of pixels.
+        pixl  = vec_ld(0,  s2);
+        pixr  = vec_ld(15, s2);
+        bytes = vec_perm(pixl, pixr, perm2);
+
+        // Convert the bytes into shorts.
+        shorts2 = (vector signed short) vec_mergeh(zero, bytes);
+
+        // Do the subtraction.
+        shorts1 = vec_sub(shorts1, shorts2);
+
+        // Save the data to the block, we assume the block is 16-byte aligned.
+        vec_st(shorts1, 0, (vector signed short *) block);
+
+        s1    += stride;
+        s2    += stride;
+        block += 8;
+
+        /* The code below is a copy of the code above...
+         * This is a manual unroll. */
+
+        /* Read potentially unaligned pixels.
+         * We're reading 16 pixels, and actually only want 8,
+         * but we simply ignore the extras. */
+        pixl  = vec_ld(0,  s1);
+        pixr  = vec_ld(15, s1);
+        bytes = vec_perm(pixl, pixr, perm1);
+
+        // Convert the bytes into shorts.
+        shorts1 = (vector signed short) vec_mergeh(zero, bytes);
+
+        // Do the same for the second block of pixels.
+        pixl  = vec_ld(0,  s2);
+        pixr  = vec_ld(15, s2);
+        bytes = vec_perm(pixl, pixr, perm2);
+
+        // Convert the bytes into shorts.
+        shorts2 = (vector signed short) vec_mergeh(zero, bytes);
+
+        // Do the subtraction.
+        shorts1 = vec_sub(shorts1, shorts2);
+
+        // Save the data to the block, we assume the block is 16-byte aligned.
+        vec_st(shorts1, 0, (vector signed short *) block);
+
+        s1    += stride;
+        s2    += stride;
+        block += 8;
+    }
+}
+
+#endif /* HAVE_ALTIVEC */
+
+av_cold void ff_pixblockdsp_init_ppc(PixblockDSPContext *c,
+                                     AVCodecContext *avctx,
+                                     unsigned high_bit_depth)
+{
+#if HAVE_ALTIVEC
+    if (!PPC_ALTIVEC(av_get_cpu_flags()))
+        return;
+
+    c->diff_pixels = diff_pixels_altivec;
+
+    if (!high_bit_depth) {
+        c->get_pixels = get_pixels_altivec;
+    }
+#endif /* HAVE_ALTIVEC */
+}
diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile
index afb26d07cb..7c5ac3decf 100644
--- a/libavcodec/x86/Makefile
+++ b/libavcodec/x86/Makefile
@@ -26,6 +26,7 @@ OBJS-$(CONFIG_MPEGVIDEO)               += x86/mpegvideo.o              \
                                           x86/mpegvideodsp.o
 OBJS-$(CONFIG_MPEGVIDEOENC)            += x86/mpegvideoenc.o           \
                                           x86/mpegvideoencdsp_init.o
+OBJS-$(CONFIG_PIXBLOCKDSP)             += x86/pixblockdsp_init.o
 OBJS-$(CONFIG_QPELDSP)                 += x86/qpeldsp_init.o
 OBJS-$(CONFIG_VIDEODSP)                += x86/videodsp_init.o
 OBJS-$(CONFIG_VP3DSP)                  += x86/vp3dsp_init.o
@@ -93,6 +94,7 @@ YASM-OBJS-$(CONFIG_HPELDSP)            += x86/fpel.o                    \
 YASM-OBJS-$(CONFIG_HUFFYUVDSP)         += x86/huffyuvdsp.o
 YASM-OBJS-$(CONFIG_MPEGAUDIODSP)       += x86/imdct36.o
 YASM-OBJS-$(CONFIG_MPEGVIDEOENC)       += x86/mpegvideoencdsp.o
+YASM-OBJS-$(CONFIG_PIXBLOCKDSP)        += x86/pixblockdsp.o
 YASM-OBJS-$(CONFIG_QPELDSP)            += x86/qpeldsp.o                 \
                                           x86/fpel.o                    \
                                           x86/qpel.o
diff --git a/libavcodec/x86/dsputilenc.asm b/libavcodec/x86/dsputilenc.asm
index d996962eac..8d989c26f8 100644
--- a/libavcodec/x86/dsputilenc.asm
+++ b/libavcodec/x86/dsputilenc.asm
@@ -334,87 +334,3 @@ cglobal sse16, 5, 5, 8
     paddd     m7, m1
     movd     eax, m7         ; return value
     RET
-
-INIT_MMX mmx
-; void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size)
-cglobal get_pixels, 3,4
-    movsxdifnidn r2, r2d
-    add          r0, 128
-    mov          r3, -128
-    pxor         m7, m7
-.loop:
-    mova         m0, [r1]
-    mova         m2, [r1+r2]
-    mova         m1, m0
-    mova         m3, m2
-    punpcklbw    m0, m7
-    punpckhbw    m1, m7
-    punpcklbw    m2, m7
-    punpckhbw    m3, m7
-    mova [r0+r3+ 0], m0
-    mova [r0+r3+ 8], m1
-    mova [r0+r3+16], m2
-    mova [r0+r3+24], m3
-    lea          r1, [r1+r2*2]
-    add          r3, 32
-    js .loop
-    REP_RET
-
-INIT_XMM sse2
-cglobal get_pixels, 3, 4
-    movsxdifnidn r2, r2d
-    lea          r3, [r2*3]
-    pxor         m4, m4
-    movh         m0, [r1]
-    movh         m1, [r1+r2]
-    movh         m2, [r1+r2*2]
-    movh         m3, [r1+r3]
-    lea          r1, [r1+r2*4]
-    punpcklbw    m0, m4
-    punpcklbw    m1, m4
-    punpcklbw    m2, m4
-    punpcklbw    m3, m4
-    mova       [r0], m0
-    mova  [r0+0x10], m1
-    mova  [r0+0x20], m2
-    mova  [r0+0x30], m3
-    movh         m0, [r1]
-    movh         m1, [r1+r2*1]
-    movh         m2, [r1+r2*2]
-    movh         m3, [r1+r3]
-    punpcklbw    m0, m4
-    punpcklbw    m1, m4
-    punpcklbw    m2, m4
-    punpcklbw    m3, m4
-    mova  [r0+0x40], m0
-    mova  [r0+0x50], m1
-    mova  [r0+0x60], m2
-    mova  [r0+0x70], m3
-    RET
-
-INIT_MMX mmx
-; void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2,
-;                         int stride);
-cglobal diff_pixels, 4,5
-    movsxdifnidn r3, r3d
-    pxor         m7, m7
-    add          r0,  128
-    mov          r4, -128
-.loop:
-    mova         m0, [r1]
-    mova         m2, [r2]
-    mova         m1, m0
-    mova         m3, m2
-    punpcklbw    m0, m7
-    punpckhbw    m1, m7
-    punpcklbw    m2, m7
-    punpckhbw    m3, m7
-    psubw        m0, m2
-    psubw        m1, m3
-    mova  [r0+r4+0], m0
-    mova  [r0+r4+8], m1
-    add          r1, r3
-    add          r2, r3
-    add          r4, 16
-    jne .loop
-    REP_RET
diff --git a/libavcodec/x86/dsputilenc_mmx.c b/libavcodec/x86/dsputilenc_mmx.c
index fb649e454e..5a7d911ca8 100644
--- a/libavcodec/x86/dsputilenc_mmx.c
+++ b/libavcodec/x86/dsputilenc_mmx.c
@@ -30,11 +30,6 @@
 #include "libavcodec/mpegvideo.h"
 #include "dsputil_x86.h"
 
-void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size);
-void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, int line_size);
-void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2,
-                        int stride);
-
 #if HAVE_INLINE_ASM
 
 static int sse8_mmx(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
@@ -823,16 +818,6 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx,
 {
     int cpu_flags = av_get_cpu_flags();
 
-    if (EXTERNAL_MMX(cpu_flags)) {
-        if (!high_bit_depth)
-            c->get_pixels = ff_get_pixels_mmx;
-        c->diff_pixels = ff_diff_pixels_mmx;
-    }
-
-    if (EXTERNAL_SSE2(cpu_flags))
-        if (!high_bit_depth)
-            c->get_pixels = ff_get_pixels_sse2;
-
 #if HAVE_INLINE_ASM
     if (INLINE_MMX(cpu_flags)) {
         c->sum_abs_dctelem = sum_abs_dctelem_mmx;
diff --git a/libavcodec/x86/pixblockdsp.asm b/libavcodec/x86/pixblockdsp.asm
new file mode 100644
index 0000000000..c8fd1b24a1
--- /dev/null
+++ b/libavcodec/x86/pixblockdsp.asm
@@ -0,0 +1,110 @@
+;*****************************************************************************
+;* SIMD-optimized pixel operations
+;*****************************************************************************
+;* Copyright (c) 2000, 2001 Fabrice Bellard
+;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
+;*
+;* This file is part of Libav.
+;*
+;* Libav is free software; you can redistribute it and/or
+;* modify it under the terms of the GNU Lesser General Public
+;* License as published by the Free Software Foundation; either
+;* version 2.1 of the License, or (at your option) any later version.
+;*
+;* Libav is distributed in the hope that it will be useful,
+;* but WITHOUT ANY WARRANTY; without even the implied warranty of
+;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;* Lesser General Public License for more details.
+;*
+;* You should have received a copy of the GNU Lesser General Public
+;* License along with Libav; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;*****************************************************************************
+
+%include "libavutil/x86/x86util.asm"
+
+SECTION .text
+
+INIT_MMX mmx
+; void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size)
+cglobal get_pixels, 3,4
+    movsxdifnidn r2, r2d
+    add          r0, 128
+    mov          r3, -128
+    pxor         m7, m7
+.loop:
+    mova         m0, [r1]
+    mova         m2, [r1+r2]
+    mova         m1, m0
+    mova         m3, m2
+    punpcklbw    m0, m7
+    punpckhbw    m1, m7
+    punpcklbw    m2, m7
+    punpckhbw    m3, m7
+    mova [r0+r3+ 0], m0
+    mova [r0+r3+ 8], m1
+    mova [r0+r3+16], m2
+    mova [r0+r3+24], m3
+    lea          r1, [r1+r2*2]
+    add          r3, 32
+    js .loop
+    REP_RET
+
+INIT_XMM sse2
+cglobal get_pixels, 3, 4
+    movsxdifnidn r2, r2d
+    lea          r3, [r2*3]
+    pxor         m4, m4
+    movh         m0, [r1]
+    movh         m1, [r1+r2]
+    movh         m2, [r1+r2*2]
+    movh         m3, [r1+r3]
+    lea          r1, [r1+r2*4]
+    punpcklbw    m0, m4
+    punpcklbw    m1, m4
+    punpcklbw    m2, m4
+    punpcklbw    m3, m4
+    mova       [r0], m0
+    mova  [r0+0x10], m1
+    mova  [r0+0x20], m2
+    mova  [r0+0x30], m3
+    movh         m0, [r1]
+    movh         m1, [r1+r2*1]
+    movh         m2, [r1+r2*2]
+    movh         m3, [r1+r3]
+    punpcklbw    m0, m4
+    punpcklbw    m1, m4
+    punpcklbw    m2, m4
+    punpcklbw    m3, m4
+    mova  [r0+0x40], m0
+    mova  [r0+0x50], m1
+    mova  [r0+0x60], m2
+    mova  [r0+0x70], m3
+    RET
+
+INIT_MMX mmx
+; void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2,
+;                         int stride);
+cglobal diff_pixels, 4,5
+    movsxdifnidn r3, r3d
+    pxor         m7, m7
+    add          r0,  128
+    mov          r4, -128
+.loop:
+    mova         m0, [r1]
+    mova         m2, [r2]
+    mova         m1, m0
+    mova         m3, m2
+    punpcklbw    m0, m7
+    punpckhbw    m1, m7
+    punpcklbw    m2, m7
+    punpckhbw    m3, m7
+    psubw        m0, m2
+    psubw        m1, m3
+    mova  [r0+r4+0], m0
+    mova  [r0+r4+8], m1
+    add          r1, r3
+    add          r2, r3
+    add          r4, 16
+    jne .loop
+    REP_RET
diff --git a/libavcodec/x86/pixblockdsp_init.c b/libavcodec/x86/pixblockdsp_init.c
new file mode 100644
index 0000000000..9582e0b5c2
--- /dev/null
+++ b/libavcodec/x86/pixblockdsp_init.c
@@ -0,0 +1,47 @@
+/*
+ * SIMD-optimized pixel operations
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/x86/cpu.h"
+#include "libavcodec/pixblockdsp.h"
+
+void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size);
+void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, int line_size);
+void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2,
+                        int stride);
+
+av_cold void ff_pixblockdsp_init_x86(PixblockDSPContext *c,
+                                     AVCodecContext *avctx,
+                                     unsigned high_bit_depth)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (EXTERNAL_MMX(cpu_flags)) {
+        if (!high_bit_depth)
+            c->get_pixels = ff_get_pixels_mmx;
+        c->diff_pixels = ff_diff_pixels_mmx;
+    }
+
+    if (EXTERNAL_SSE2(cpu_flags)) {
+        if (!high_bit_depth)
+            c->get_pixels = ff_get_pixels_sse2;
+    }
+}