Merge commit 'a6a750c7ef240b72ce01e9653343a0ddf247d196'

* commit 'a6a750c7ef240b72ce01e9653343a0ddf247d196':
  tests: Move all test programs to a subdirectory

Merged-by: Clément Bœsch <clement@stupeflix.com>

20 files changed, 2501 insertions, 0 deletions

diff --git a/libavcodec/tests/.gitignore b/libavcodec/tests/.gitignore
new file mode 100644
index 0000000000..d8ab947abe
--- /dev/null
+++ b/libavcodec/tests/.gitignore
@@ -0,0 +1,16 @@
+/avfft
+/cabac
+/dct
+/fft
+/fft-fixed
+/fft-fixed32
+/golomb
+/iirfilter
+/imgconvert
+/jpeg2000dwt
+/mathops
+/motion
+/options
+/rangecoder
+/snowenc
+/utils
diff --git a/libavcodec/tests/arm/dct.c b/libavcodec/tests/arm/dct.c
new file mode 100644
index 0000000000..596d369a99
--- /dev/null
+++ b/libavcodec/tests/arm/dct.c
@@ -0,0 +1,40 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#include "libavcodec/arm/idct.h"
+
+static const struct algo fdct_tab_arch[] = {
+    { 0 }
+};
+
+static const struct algo idct_tab_arch[] = {
+    { "SIMPLE-ARM",     ff_simple_idct_arm,     FF_IDCT_PERM_NONE },
+    { "INT-ARM",        ff_j_rev_dct_arm,       FF_IDCT_PERM_LIBMPEG2 },
+#if HAVE_ARMV5TE
+    { "SIMPLE-ARMV5TE", ff_simple_idct_armv5te, FF_IDCT_PERM_NONE,      AV_CPU_FLAG_ARMV5TE },
+#endif
+#if HAVE_ARMV6
+    { "SIMPLE-ARMV6",   ff_simple_idct_armv6,   FF_IDCT_PERM_LIBMPEG2,  AV_CPU_FLAG_ARMV6 },
+#endif
+#if HAVE_NEON
+    { "SIMPLE-NEON",    ff_simple_idct_neon,    FF_IDCT_PERM_PARTTRANS, AV_CPU_FLAG_NEON },
+#endif
+    { 0 }
+};
diff --git a/libavcodec/tests/avfft.c b/libavcodec/tests/avfft.c
new file mode 100644
index 0000000000..6bc48ea870
--- /dev/null
+++ b/libavcodec/tests/avfft.c
@@ -0,0 +1,53 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#include "libavutil/mem.h"
+#include "libavcodec/avfft.h"
+
+int main(int argc, char **argv)
+{
+    int i;
+#define LEN 1024
+    FFTSample *ref  = av_malloc_array(LEN, sizeof(*ref));
+    FFTSample *data = av_malloc_array(LEN, sizeof(*data));
+    RDFTContext *rdft_context  = av_rdft_init(10, DFT_R2C);
+    RDFTContext *irdft_context = av_rdft_init(10, IDFT_C2R);
+
+    if (!ref || !data || !rdft_context || !irdft_context)
+        return 2;
+    for (i=0; i<LEN; i++) {
+        ref[i] = data[i] = i*456 + 123 + i*i;
+    }
+    av_rdft_calc(rdft_context, data);
+    av_rdft_calc(irdft_context, data);
+
+    for (i=0; i<LEN; i++) {
+        if (fabs(ref[i] - data[i]/LEN*2) > 1) {
+            fprintf(stderr, "Failed at %d (%f %f)\n", i, ref[i], data[i]/LEN*2);
+            return 1;
+        }
+    }
+
+    av_rdft_end(rdft_context);
+    av_rdft_end(irdft_context);
+    av_free(data);
+    av_free(ref);
+
+    return 0;
+}
diff --git a/libavcodec/tests/cabac.c b/libavcodec/tests/cabac.c
new file mode 100644
index 0000000000..affe4eb141
--- /dev/null
+++ b/libavcodec/tests/cabac.c
@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavcodec/cabac.c"
+
+#define SIZE 10240
+
+#include "libavutil/lfg.h"
+#include "libavcodec/avcodec.h"
+
+static inline void put_cabac_bit(CABACContext *c, int b){
+    put_bits(&c->pb, 1, b);
+    for(;c->outstanding_count; c->outstanding_count--){
+        put_bits(&c->pb, 1, 1-b);
+    }
+}
+
+static inline void renorm_cabac_encoder(CABACContext *c){
+    while(c->range < 0x100){
+        //FIXME optimize
+        if(c->low<0x100){
+            put_cabac_bit(c, 0);
+        }else if(c->low<0x200){
+            c->outstanding_count++;
+            c->low -= 0x100;
+        }else{
+            put_cabac_bit(c, 1);
+            c->low -= 0x200;
+        }
+
+        c->range+= c->range;
+        c->low += c->low;
+    }
+}
+
+static void put_cabac(CABACContext *c, uint8_t * const state, int bit){
+    int RangeLPS= ff_h264_lps_range[2*(c->range&0xC0) + *state];
+
+    if(bit == ((*state)&1)){
+        c->range -= RangeLPS;
+        *state    = ff_h264_mlps_state[128 + *state];
+    }else{
+        c->low += c->range - RangeLPS;
+        c->range = RangeLPS;
+        *state= ff_h264_mlps_state[127 - *state];
+    }
+
+    renorm_cabac_encoder(c);
+}
+
+/**
+ * @param bit 0 -> write zero bit, !=0 write one bit
+ */
+static void put_cabac_bypass(CABACContext *c, int bit){
+    c->low += c->low;
+
+    if(bit){
+        c->low += c->range;
+    }
+//FIXME optimize
+    if(c->low<0x200){
+        put_cabac_bit(c, 0);
+    }else if(c->low<0x400){
+        c->outstanding_count++;
+        c->low -= 0x200;
+    }else{
+        put_cabac_bit(c, 1);
+        c->low -= 0x400;
+    }
+}
+
+/**
+ *
+ * @return the number of bytes written
+ */
+static int put_cabac_terminate(CABACContext *c, int bit){
+    c->range -= 2;
+
+    if(!bit){
+        renorm_cabac_encoder(c);
+    }else{
+        c->low += c->range;
+        c->range= 2;
+
+        renorm_cabac_encoder(c);
+
+        av_assert0(c->low <= 0x1FF);
+        put_cabac_bit(c, c->low>>9);
+        put_bits(&c->pb, 2, ((c->low>>7)&3)|1);
+
+        flush_put_bits(&c->pb); //FIXME FIXME FIXME XXX wrong
+    }
+
+    return (put_bits_count(&c->pb)+7)>>3;
+}
+
+int main(void){
+    CABACContext c;
+    uint8_t b[9*SIZE];
+    uint8_t r[9*SIZE];
+    int i, ret = 0;
+    uint8_t state[10]= {0};
+    AVLFG prng;
+
+    av_lfg_init(&prng, 1);
+    ff_init_cabac_encoder(&c, b, SIZE);
+
+    for(i=0; i<SIZE; i++){
+        if(2*i<SIZE) r[i] = av_lfg_get(&prng) % 7;
+        else         r[i] = (i>>8)&1;
+    }
+
+    for(i=0; i<SIZE; i++){
+        put_cabac_bypass(&c, r[i]&1);
+    }
+
+    for(i=0; i<SIZE; i++){
+        put_cabac(&c, state, r[i]&1);
+    }
+
+    i= put_cabac_terminate(&c, 1);
+    b[i++] = av_lfg_get(&prng);
+    b[i  ] = av_lfg_get(&prng);
+
+    ff_init_cabac_decoder(&c, b, SIZE);
+
+    memset(state, 0, sizeof(state));
+
+    for(i=0; i<SIZE; i++){
+        if( (r[i]&1) != get_cabac_bypass(&c) ) {
+            av_log(NULL, AV_LOG_ERROR, "CABAC bypass failure at %d\n", i);
+            ret = 1;
+        }
+    }
+
+    for(i=0; i<SIZE; i++){
+        if( (r[i]&1) != get_cabac_noinline(&c, state) ) {
+            av_log(NULL, AV_LOG_ERROR, "CABAC failure at %d\n", i);
+            ret = 1;
+        }
+    }
+    if(!get_cabac_terminate(&c)) {
+        av_log(NULL, AV_LOG_ERROR, "where's the Terminator?\n");
+        ret = 1;
+    }
+
+    return ret;
+}
diff --git a/libavcodec/tests/dct.c b/libavcodec/tests/dct.c
new file mode 100644
index 0000000000..5303fdff8f
--- /dev/null
+++ b/libavcodec/tests/dct.c
@@ -0,0 +1,523 @@
+/*
+ * (c) 2001 Fabrice Bellard
+ *     2007 Marc Hoffman <marc.hoffman@analog.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * DCT test (c) 2001 Fabrice Bellard
+ * Started from sample code by Juan J. Sierralta P.
+ */
+
+#include "config.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <math.h>
+
+#include "libavutil/cpu.h"
+#include "libavutil/common.h"
+#include "libavutil/internal.h"
+#include "libavutil/lfg.h"
+#include "libavutil/time.h"
+
+#include "libavcodec/dct.h"
+#include "libavcodec/idctdsp.h"
+#include "libavcodec/simple_idct.h"
+#include "libavcodec/xvididct.h"
+#include "libavcodec/aandcttab.h"
+#include "libavcodec/faandct.h"
+#include "libavcodec/faanidct.h"
+#include "libavcodec/dctref.h"
+
+struct algo {
+    const char *name;
+    void (*func)(int16_t *block);
+    enum idct_permutation_type perm_type;
+    int cpu_flag;
+    int nonspec;
+};
+
+static const struct algo fdct_tab[] = {
+    { "REF-DBL",     ff_ref_fdct,          FF_IDCT_PERM_NONE },
+    { "IJG-AAN-INT", ff_fdct_ifast,        FF_IDCT_PERM_NONE },
+    { "IJG-LLM-INT", ff_jpeg_fdct_islow_8, FF_IDCT_PERM_NONE },
+#if CONFIG_FAANDCT
+    { "FAAN",        ff_faandct,           FF_IDCT_PERM_NONE },
+#endif /* CONFIG_FAANDCT */
+};
+
+static void ff_prores_idct_wrap(int16_t *dst){
+    LOCAL_ALIGNED(16, int16_t, qmat, [64]);
+    int i;
+
+    for(i=0; i<64; i++){
+        qmat[i]=4;
+    }
+    ff_prores_idct(dst, qmat);
+    for(i=0; i<64; i++) {
+         dst[i] -= 512;
+    }
+}
+
+static const struct algo idct_tab[] = {
+    { "REF-DBL",     ff_ref_idct,          FF_IDCT_PERM_NONE },
+    { "INT",         ff_j_rev_dct,         FF_IDCT_PERM_LIBMPEG2 },
+    { "SIMPLE-C",    ff_simple_idct_8,     FF_IDCT_PERM_NONE },
+    { "SIMPLE-C10",  ff_simple_idct_10,    FF_IDCT_PERM_NONE },
+    { "SIMPLE-C12",  ff_simple_idct_12,    FF_IDCT_PERM_NONE, 0, 1 },
+    { "PR-C",        ff_prores_idct_wrap,  FF_IDCT_PERM_NONE, 0, 1 },
+#if CONFIG_FAANIDCT
+    { "FAANI",       ff_faanidct,          FF_IDCT_PERM_NONE },
+#endif /* CONFIG_FAANIDCT */
+#if CONFIG_MPEG4_DECODER
+    { "XVID",        ff_xvid_idct,         FF_IDCT_PERM_NONE, 0, 1 },
+#endif /* CONFIG_MPEG4_DECODER */
+};
+
+#if ARCH_ARM
+#include "arm/dct.c"
+#elif ARCH_PPC
+#include "ppc/dct.c"
+#elif ARCH_X86
+#include "x86/dct.c"
+#else
+static const struct algo fdct_tab_arch[] = { { 0 } };
+static const struct algo idct_tab_arch[] = { { 0 } };
+#endif
+
+#define AANSCALE_BITS 12
+
+#define NB_ITS 20000
+#define NB_ITS_SPEED 50000
+
+DECLARE_ALIGNED(16, static int16_t, block)[64];
+DECLARE_ALIGNED(8,  static int16_t, block1)[64];
+
+static void init_block(int16_t block[64], int test, int is_idct, AVLFG *prng, int vals)
+{
+    int i, j;
+
+    memset(block, 0, 64 * sizeof(*block));
+
+    switch (test) {
+    case 0:
+        for (i = 0; i < 64; i++)
+            block[i] = (av_lfg_get(prng) % (2*vals)) -vals;
+        if (is_idct) {
+            ff_ref_fdct(block);
+            for (i = 0; i < 64; i++)
+                block[i] >>= 3;
+        }
+        break;
+    case 1:
+        j = av_lfg_get(prng) % 10 + 1;
+        for (i = 0; i < j; i++) {
+            int idx = av_lfg_get(prng) % 64;
+            block[idx] = av_lfg_get(prng) % (2*vals) -vals;
+        }
+        break;
+    case 2:
+        block[ 0] = av_lfg_get(prng) % (16*vals) - (8*vals);
+        block[63] = (block[0] & 1) ^ 1;
+        break;
+    }
+}
+
+static void permute(int16_t dst[64], const int16_t src[64],
+                    enum idct_permutation_type perm_type)
+{
+    int i;
+
+#if ARCH_X86
+    if (permute_x86(dst, src, perm_type))
+        return;
+#endif
+
+    switch (perm_type) {
+    case FF_IDCT_PERM_LIBMPEG2:
+        for (i = 0; i < 64; i++)
+            dst[(i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2)] = src[i];
+        break;
+    case FF_IDCT_PERM_PARTTRANS:
+        for (i = 0; i < 64; i++)
+            dst[(i & 0x24) | ((i & 3) << 3) | ((i >> 3) & 3)] = src[i];
+        break;
+    case FF_IDCT_PERM_TRANSPOSE:
+        for (i = 0; i < 64; i++)
+            dst[(i>>3) | ((i<<3)&0x38)] = src[i];
+        break;
+    default:
+        for (i = 0; i < 64; i++)
+            dst[i] = src[i];
+        break;
+    }
+}
+
+static int dct_error(const struct algo *dct, int test, int is_idct, int speed, const int bits)
+{
+    void (*ref)(int16_t *block) = is_idct ? ff_ref_idct : ff_ref_fdct;
+    int it, i, scale;
+    int err_inf, v;
+    int64_t err2, ti, ti1, it1, err_sum = 0;
+    int64_t sysErr[64], sysErrMax = 0;
+    int maxout = 0;
+    int blockSumErrMax = 0, blockSumErr;
+    AVLFG prng;
+    const int vals=1<<bits;
+    double omse, ome;
+    int spec_err;
+
+    av_lfg_init(&prng, 1);
+
+    err_inf = 0;
+    err2 = 0;
+    for (i = 0; i < 64; i++)
+        sysErr[i] = 0;
+    for (it = 0; it < NB_ITS; it++) {
+        init_block(block1, test, is_idct, &prng, vals);
+        permute(block, block1, dct->perm_type);
+
+        dct->func(block);
+        emms_c();
+
+        if (!strcmp(dct->name, "IJG-AAN-INT")) {
+            for (i = 0; i < 64; i++) {
+                scale = 8 * (1 << (AANSCALE_BITS + 11)) / ff_aanscales[i];
+                block[i] = (block[i] * scale) >> AANSCALE_BITS;
+            }
+        }
+
+        ref(block1);
+        if (!strcmp(dct->name, "PR-SSE2"))
+            for (i = 0; i < 64; i++)
+                block1[i] = av_clip(block1[i], 4-512, 1019-512);
+
+        blockSumErr = 0;
+        for (i = 0; i < 64; i++) {
+            int err = block[i] - block1[i];
+            err_sum += err;
+            v = abs(err);
+            if (v > err_inf)
+                err_inf = v;
+            err2 += v * v;
+            sysErr[i] += block[i] - block1[i];
+            blockSumErr += v;
+            if (abs(block[i]) > maxout)
+                maxout = abs(block[i]);
+        }
+        if (blockSumErrMax < blockSumErr)
+            blockSumErrMax = blockSumErr;
+    }
+    for (i = 0; i < 64; i++)
+        sysErrMax = FFMAX(sysErrMax, FFABS(sysErr[i]));
+
+    for (i = 0; i < 64; i++) {
+        if (i % 8 == 0)
+            printf("\n");
+        printf("%7d ", (int) sysErr[i]);
+    }
+    printf("\n");
+
+    omse = (double) err2 / NB_ITS / 64;
+    ome  = (double) err_sum / NB_ITS / 64;
+
+    spec_err = is_idct && (err_inf > 1 || omse > 0.02 || fabs(ome) > 0.0015);
+
+    printf("%s %s: max_err=%d omse=%0.8f ome=%0.8f syserr=%0.8f maxout=%d blockSumErr=%d\n",
+           is_idct ? "IDCT" : "DCT", dct->name, err_inf,
+           omse, ome, (double) sysErrMax / NB_ITS,
+           maxout, blockSumErrMax);
+
+    if (spec_err && !dct->nonspec) {
+        printf("Failed!\n");
+        return 1;
+    }
+
+    if (!speed)
+        return 0;
+
+    /* speed test */
+
+    init_block(block, test, is_idct, &prng, vals);
+    permute(block1, block, dct->perm_type);
+
+    ti = av_gettime_relative();
+    it1 = 0;
+    do {
+        for (it = 0; it < NB_ITS_SPEED; it++) {
+            memcpy(block, block1, sizeof(block));
+            dct->func(block);
+        }
+        emms_c();
+        it1 += NB_ITS_SPEED;
+        ti1 = av_gettime_relative() - ti;
+    } while (ti1 < 1000000);
+
+    printf("%s %s: %0.1f kdct/s\n", is_idct ? "IDCT" : "DCT", dct->name,
+           (double) it1 * 1000.0 / (double) ti1);
+
+    return 0;
+}
+
+DECLARE_ALIGNED(8, static uint8_t, img_dest)[64];
+DECLARE_ALIGNED(8, static uint8_t, img_dest1)[64];
+
+static void idct248_ref(uint8_t *dest, int linesize, int16_t *block)
+{
+    static int init;
+    static double c8[8][8];
+    static double c4[4][4];
+    double block1[64], block2[64], block3[64];
+    double s, sum, v;
+    int i, j, k;
+
+    if (!init) {
+        init = 1;
+
+        for (i = 0; i < 8; i++) {
+            sum = 0;
+            for (j = 0; j < 8; j++) {
+                s = (i == 0) ? sqrt(1.0 / 8.0) : sqrt(1.0 / 4.0);
+                c8[i][j] = s * cos(M_PI * i * (j + 0.5) / 8.0);
+                sum += c8[i][j] * c8[i][j];
+            }
+        }
+
+        for (i = 0; i < 4; i++) {
+            sum = 0;
+            for (j = 0; j < 4; j++) {
+                s = (i == 0) ? sqrt(1.0 / 4.0) : sqrt(1.0 / 2.0);
+                c4[i][j] = s * cos(M_PI * i * (j + 0.5) / 4.0);
+                sum += c4[i][j] * c4[i][j];
+            }
+        }
+    }
+
+    /* butterfly */
+    s = 0.5 * sqrt(2.0);
+    for (i = 0; i < 4; i++) {
+        for (j = 0; j < 8; j++) {
+            block1[8 * (2 * i) + j] =
+                (block[8 * (2 * i) + j] + block[8 * (2 * i + 1) + j]) * s;
+            block1[8 * (2 * i + 1) + j] =
+                (block[8 * (2 * i) + j] - block[8 * (2 * i + 1) + j]) * s;
+        }
+    }
+
+    /* idct8 on lines */
+    for (i = 0; i < 8; i++) {
+        for (j = 0; j < 8; j++) {
+            sum = 0;
+            for (k = 0; k < 8; k++)
+                sum += c8[k][j] * block1[8 * i + k];
+            block2[8 * i + j] = sum;
+        }
+    }
+
+    /* idct4 */
+    for (i = 0; i < 8; i++) {
+        for (j = 0; j < 4; j++) {
+            /* top */
+            sum = 0;
+            for (k = 0; k < 4; k++)
+                sum += c4[k][j] * block2[8 * (2 * k) + i];
+            block3[8 * (2 * j) + i] = sum;
+
+            /* bottom */
+            sum = 0;
+            for (k = 0; k < 4; k++)
+                sum += c4[k][j] * block2[8 * (2 * k + 1) + i];
+            block3[8 * (2 * j + 1) + i] = sum;
+        }
+    }
+
+    /* clamp and store the result */
+    for (i = 0; i < 8; i++) {
+        for (j = 0; j < 8; j++) {
+            v = block3[8 * i + j];
+            if      (v < 0)   v = 0;
+            else if (v > 255) v = 255;
+            dest[i * linesize + j] = (int) rint(v);
+        }
+    }
+}
+
+static void idct248_error(const char *name,
+                          void (*idct248_put)(uint8_t *dest, int line_size,
+                                              int16_t *block),
+                          int speed)
+{
+    int it, i, it1, ti, ti1, err_max, v;
+    AVLFG prng;
+
+    av_lfg_init(&prng, 1);
+
+    /* just one test to see if code is correct (precision is less
+       important here) */
+    err_max = 0;
+    for (it = 0; it < NB_ITS; it++) {
+        /* XXX: use forward transform to generate values */
+        for (i = 0; i < 64; i++)
+            block1[i] = av_lfg_get(&prng) % 256 - 128;
+        block1[0] += 1024;
+
+        for (i = 0; i < 64; i++)
+            block[i] = block1[i];
+        idct248_ref(img_dest1, 8, block);
+
+        for (i = 0; i < 64; i++)
+            block[i] = block1[i];
+        idct248_put(img_dest, 8, block);
+
+        for (i = 0; i < 64; i++) {
+            v = abs((int) img_dest[i] - (int) img_dest1[i]);
+            if (v == 255)
+                printf("%d %d\n", img_dest[i], img_dest1[i]);
+            if (v > err_max)
+                err_max = v;
+        }
+#if 0
+        printf("ref=\n");
+        for(i=0;i<8;i++) {
+            int j;
+            for(j=0;j<8;j++) {
+                printf(" %3d", img_dest1[i*8+j]);
+            }
+            printf("\n");
+        }
+
+        printf("out=\n");
+        for(i=0;i<8;i++) {
+            int j;
+            for(j=0;j<8;j++) {
+                printf(" %3d", img_dest[i*8+j]);
+            }
+            printf("\n");
+        }
+#endif
+    }
+    printf("%s %s: err_inf=%d\n", 1 ? "IDCT248" : "DCT248", name, err_max);
+
+    if (!speed)
+        return;
+
+    ti = av_gettime_relative();
+    it1 = 0;
+    do {
+        for (it = 0; it < NB_ITS_SPEED; it++) {
+            for (i = 0; i < 64; i++)
+                block[i] = block1[i];
+            idct248_put(img_dest, 8, block);
+        }
+        emms_c();
+        it1 += NB_ITS_SPEED;
+        ti1 = av_gettime_relative() - ti;
+    } while (ti1 < 1000000);
+
+    printf("%s %s: %0.1f kdct/s\n", 1 ? "IDCT248" : "DCT248", name,
+           (double) it1 * 1000.0 / (double) ti1);
+}
+
+static void help(void)
+{
+    printf("dct-test [-i] [<test-number>] [<bits>]\n"
+           "test-number 0 -> test with random matrixes\n"
+           "            1 -> test with random sparse matrixes\n"
+           "            2 -> do 3. test from MPEG-4 std\n"
+           "bits        Number of time domain bits to use, 8 is default\n"
+           "-i          test IDCT implementations\n"
+           "-4          test IDCT248 implementations\n"
+           "-t          speed test\n");
+}
+
+#if !HAVE_GETOPT
+#include "compat/getopt.c"
+#endif
+
+int main(int argc, char **argv)
+{
+    int test_idct = 0, test_248_dct = 0;
+    int c, i;
+    int test = 1;
+    int speed = 0;
+    int err = 0;
+    int bits=8;
+
+    ff_ref_dct_init();
+
+    for (;;) {
+        c = getopt(argc, argv, "ih4t");
+        if (c == -1)
+            break;
+        switch (c) {
+        case 'i':
+            test_idct = 1;
+            break;
+        case '4':
+            test_248_dct = 1;
+            break;
+        case 't':
+            speed = 1;
+            break;
+        default:
+        case 'h':
+            help();
+            return 0;
+        }
+    }
+
+    if (optind < argc)
+        test = atoi(argv[optind]);
+    if(optind+1 < argc) bits= atoi(argv[optind+1]);
+
+    printf("ffmpeg DCT/IDCT test\n");
+
+    if (test_248_dct) {
+        idct248_error("SIMPLE-C", ff_simple_idct248_put, speed);
+    } else {
+        const int cpu_flags = av_get_cpu_flags();
+        if (test_idct) {
+            for (i = 0; i < FF_ARRAY_ELEMS(idct_tab); i++)
+                err |= dct_error(&idct_tab[i], test, test_idct, speed, bits);
+
+            for (i = 0; idct_tab_arch[i].name; i++)
+                if (!(~cpu_flags & idct_tab_arch[i].cpu_flag))
+                    err |= dct_error(&idct_tab_arch[i], test, test_idct, speed, bits);
+        }
+#if CONFIG_FDCTDSP
+        else {
+            for (i = 0; i < FF_ARRAY_ELEMS(fdct_tab); i++)
+                err |= dct_error(&fdct_tab[i], test, test_idct, speed, bits);
+
+            for (i = 0; fdct_tab_arch[i].name; i++)
+                if (!(~cpu_flags & fdct_tab_arch[i].cpu_flag))
+                    err |= dct_error(&fdct_tab_arch[i], test, test_idct, speed, bits);
+        }
+#endif /* CONFIG_FDCTDSP */
+    }
+
+    if (err)
+        printf("Error: %d.\n", err);
+
+    return !!err;
+}
diff --git a/libavcodec/tests/fft-fixed.c b/libavcodec/tests/fft-fixed.c
new file mode 100644
index 0000000000..fe1b57a3f6
--- /dev/null
+++ b/libavcodec/tests/fft-fixed.c
@@ -0,0 +1,20 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#define FFT_FLOAT 0
+#include "fft.c"
diff --git a/libavcodec/tests/fft-fixed32.c b/libavcodec/tests/fft-fixed32.c
new file mode 100644
index 0000000000..f33494f7f3
--- /dev/null
+++ b/libavcodec/tests/fft-fixed32.c
@@ -0,0 +1,21 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#define FFT_FLOAT 0
+#define FFT_FIXED_32 1
+#include "fft.c"
diff --git a/libavcodec/tests/fft.c b/libavcodec/tests/fft.c
new file mode 100644
index 0000000000..4717303155
--- /dev/null
+++ b/libavcodec/tests/fft.c
@@ -0,0 +1,519 @@
+/*
+ * (c) 2002 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * FFT and MDCT tests.
+ */
+
+#include "config.h"
+
+#include <math.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "libavutil/cpu.h"
+#include "libavutil/lfg.h"
+#include "libavutil/log.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/time.h"
+
+#include "libavcodec/fft.h"
+#if FFT_FLOAT
+#include "libavcodec/dct.h"
+#include "libavcodec/rdft.h"
+#endif
+
+/* reference fft */
+
+#define MUL16(a, b) ((a) * (b))
+
+#define CMAC(pre, pim, are, aim, bre, bim)          \
+    {                                               \
+        pre += (MUL16(are, bre) - MUL16(aim, bim)); \
+        pim += (MUL16(are, bim) + MUL16(bre, aim)); \
+    }
+
+#if FFT_FLOAT
+#define RANGE 1.0
+#define REF_SCALE(x, bits)  (x)
+#define FMT "%10.6f"
+#elif FFT_FIXED_32
+#define RANGE 8388608
+#define REF_SCALE(x, bits) (x)
+#define FMT "%6d"
+#else
+#define RANGE 16384
+#define REF_SCALE(x, bits) ((x) / (1 << (bits)))
+#define FMT "%6d"
+#endif
+
+static struct {
+    float re, im;
+} *exptab;
+
+static int fft_ref_init(int nbits, int inverse)
+{
+    int i, n = 1 << nbits;
+
+    exptab = av_malloc_array((n / 2), sizeof(*exptab));
+    if (!exptab)
+        return AVERROR(ENOMEM);
+
+    for (i = 0; i < (n / 2); i++) {
+        double alpha = 2 * M_PI * (float) i / (float) n;
+        double c1 = cos(alpha), s1 = sin(alpha);
+        if (!inverse)
+            s1 = -s1;
+        exptab[i].re = c1;
+        exptab[i].im = s1;
+    }
+    return 0;
+}
+
+static void fft_ref(FFTComplex *tabr, FFTComplex *tab, int nbits)
+{
+    int i, j;
+    int n  = 1 << nbits;
+    int n2 = n >> 1;
+
+    for (i = 0; i < n; i++) {
+        double tmp_re = 0, tmp_im = 0;
+        FFTComplex *q = tab;
+        for (j = 0; j < n; j++) {
+            double s, c;
+            int k = (i * j) & (n - 1);
+            if (k >= n2) {
+                c = -exptab[k - n2].re;
+                s = -exptab[k - n2].im;
+            } else {
+                c = exptab[k].re;
+                s = exptab[k].im;
+            }
+            CMAC(tmp_re, tmp_im, c, s, q->re, q->im);
+            q++;
+        }
+        tabr[i].re = REF_SCALE(tmp_re, nbits);
+        tabr[i].im = REF_SCALE(tmp_im, nbits);
+    }
+}
+
+#if CONFIG_MDCT
+static void imdct_ref(FFTSample *out, FFTSample *in, int nbits)
+{
+    int i, k, n = 1 << nbits;
+
+    for (i = 0; i < n; i++) {
+        double sum = 0;
+        for (k = 0; k < n / 2; k++) {
+            int a = (2 * i + 1 + (n / 2)) * (2 * k + 1);
+            double f = cos(M_PI * a / (double) (2 * n));
+            sum += f * in[k];
+        }
+        out[i] = REF_SCALE(-sum, nbits - 2);
+    }
+}
+
+/* NOTE: no normalisation by 1 / N is done */
+static void mdct_ref(FFTSample *output, FFTSample *input, int nbits)
+{
+    int i, k, n = 1 << nbits;
+
+    /* do it by hand */
+    for (k = 0; k < n / 2; k++) {
+        double s = 0;
+        for (i = 0; i < n; i++) {
+            double a = (2 * M_PI * (2 * i + 1 + n / 2) * (2 * k + 1) / (4 * n));
+            s += input[i] * cos(a);
+        }
+        output[k] = REF_SCALE(s, nbits - 1);
+    }
+}
+#endif /* CONFIG_MDCT */
+
+#if FFT_FLOAT
+#if CONFIG_DCT
+static void idct_ref(FFTSample *output, FFTSample *input, int nbits)
+{
+    int i, k, n = 1 << nbits;
+
+    /* do it by hand */
+    for (i = 0; i < n; i++) {
+        double s = 0.5 * input[0];
+        for (k = 1; k < n; k++) {
+            double a = M_PI * k * (i + 0.5) / n;
+            s += input[k] * cos(a);
+        }
+        output[i] = 2 * s / n;
+    }
+}
+
+static void dct_ref(FFTSample *output, FFTSample *input, int nbits)
+{
+    int i, k, n = 1 << nbits;
+
+    /* do it by hand */
+    for (k = 0; k < n; k++) {
+        double s = 0;
+        for (i = 0; i < n; i++) {
+            double a = M_PI * k * (i + 0.5) / n;
+            s += input[i] * cos(a);
+        }
+        output[k] = s;
+    }
+}
+#endif /* CONFIG_DCT */
+#endif /* FFT_FLOAT */
+
+static FFTSample frandom(AVLFG *prng)
+{
+    return (int16_t) av_lfg_get(prng) / 32768.0 * RANGE;
+}
+
+static int check_diff(FFTSample *tab1, FFTSample *tab2, int n, double scale)
+{
+    int i, err = 0;
+    double error = 0, max = 0;
+
+    for (i = 0; i < n; i++) {
+        double e = fabs(tab1[i] - (tab2[i] / scale)) / RANGE;
+        if (e >= 1e-3) {
+            av_log(NULL, AV_LOG_ERROR, "ERROR %5d: "FMT" "FMT"\n",
+                   i, tab1[i], tab2[i]);
+            err = 1;
+        }
+        error += e * e;
+        if (e > max)
+            max = e;
+    }
+    av_log(NULL, AV_LOG_INFO, "max:%f e:%g\n", max, sqrt(error / n));
+    return err;
+}
+
+static void help(void)
+{
+    av_log(NULL, AV_LOG_INFO,
+           "usage: fft-test [-h] [-s] [-i] [-n b]\n"
+           "-h     print this help\n"
+           "-s     speed test\n"
+           "-m     (I)MDCT test\n"
+           "-d     (I)DCT test\n"
+           "-r     (I)RDFT test\n"
+           "-i     inverse transform test\n"
+           "-n b   set the transform size to 2^b\n"
+           "-f x   set scale factor for output data of (I)MDCT to x\n");
+}
+
+enum tf_transform {
+    TRANSFORM_FFT,
+    TRANSFORM_MDCT,
+    TRANSFORM_RDFT,
+    TRANSFORM_DCT,
+};
+
+#if !HAVE_GETOPT
+#include "compat/getopt.c"
+#endif
+
+int main(int argc, char **argv)
+{
+    FFTComplex *tab, *tab1, *tab_ref;
+    FFTSample *tab2;
+    enum tf_transform transform = TRANSFORM_FFT;
+    FFTContext m, s;
+#if FFT_FLOAT
+    RDFTContext r;
+    DCTContext d;
+#endif /* FFT_FLOAT */
+    int it, i, err = 1;
+    int do_speed = 0, do_inverse = 0;
+    int fft_nbits = 9, fft_size;
+    double scale = 1.0;
+    AVLFG prng;
+
+    av_lfg_init(&prng, 1);
+
+    for (;;) {
+        int c = getopt(argc, argv, "hsimrdn:f:c:");
+        if (c == -1)
+            break;
+        switch (c) {
+        case 'h':
+            help();
+            return 1;
+        case 's':
+            do_speed = 1;
+            break;
+        case 'i':
+            do_inverse = 1;
+            break;
+        case 'm':
+            transform = TRANSFORM_MDCT;
+            break;
+        case 'r':
+            transform = TRANSFORM_RDFT;
+            break;
+        case 'd':
+            transform = TRANSFORM_DCT;
+            break;
+        case 'n':
+            fft_nbits = atoi(optarg);
+            break;
+        case 'f':
+            scale = atof(optarg);
+            break;
+        case 'c':
+        {
+            unsigned cpuflags = av_get_cpu_flags();
+
+            if (av_parse_cpu_caps(&cpuflags, optarg) < 0)
+                return 1;
+
+            av_force_cpu_flags(cpuflags);
+            break;
+        }
+        }
+    }
+
+    fft_size = 1 << fft_nbits;
+    tab      = av_malloc_array(fft_size, sizeof(FFTComplex));
+    tab1     = av_malloc_array(fft_size, sizeof(FFTComplex));
+    tab_ref  = av_malloc_array(fft_size, sizeof(FFTComplex));
+    tab2     = av_malloc_array(fft_size, sizeof(FFTSample));
+
+    if (!(tab && tab1 && tab_ref && tab2))
+        goto cleanup;
+
+    switch (transform) {
+#if CONFIG_MDCT
+    case TRANSFORM_MDCT:
+        av_log(NULL, AV_LOG_INFO, "Scale factor is set to %f\n", scale);
+        if (do_inverse)
+            av_log(NULL, AV_LOG_INFO, "IMDCT");
+        else
+            av_log(NULL, AV_LOG_INFO, "MDCT");
+        ff_mdct_init(&m, fft_nbits, do_inverse, scale);
+        break;
+#endif /* CONFIG_MDCT */
+    case TRANSFORM_FFT:
+        if (do_inverse)
+            av_log(NULL, AV_LOG_INFO, "IFFT");
+        else
+            av_log(NULL, AV_LOG_INFO, "FFT");
+        ff_fft_init(&s, fft_nbits, do_inverse);
+        if ((err = fft_ref_init(fft_nbits, do_inverse)) < 0)
+            goto cleanup;
+        break;
+#if FFT_FLOAT
+#    if CONFIG_RDFT
+    case TRANSFORM_RDFT:
+        if (do_inverse)
+            av_log(NULL, AV_LOG_INFO, "IDFT_C2R");
+        else
+            av_log(NULL, AV_LOG_INFO, "DFT_R2C");
+        ff_rdft_init(&r, fft_nbits, do_inverse ? IDFT_C2R : DFT_R2C);
+        if ((err = fft_ref_init(fft_nbits, do_inverse)) < 0)
+            goto cleanup;
+        break;
+#    endif /* CONFIG_RDFT */
+#    if CONFIG_DCT
+    case TRANSFORM_DCT:
+        if (do_inverse)
+            av_log(NULL, AV_LOG_INFO, "DCT_III");
+        else
+            av_log(NULL, AV_LOG_INFO, "DCT_II");
+        ff_dct_init(&d, fft_nbits, do_inverse ? DCT_III : DCT_II);
+        break;
+#    endif /* CONFIG_DCT */
+#endif /* FFT_FLOAT */
+    default:
+        av_log(NULL, AV_LOG_ERROR, "Requested transform not supported\n");
+        goto cleanup;
+    }
+    av_log(NULL, AV_LOG_INFO, " %d test\n", fft_size);
+
+    /* generate random data */
+
+    for (i = 0; i < fft_size; i++) {
+        tab1[i].re = frandom(&prng);
+        tab1[i].im = frandom(&prng);
+    }
+
+    /* checking result */
+    av_log(NULL, AV_LOG_INFO, "Checking...\n");
+
+    switch (transform) {
+#if CONFIG_MDCT
+    case TRANSFORM_MDCT:
+        if (do_inverse) {
+            imdct_ref(&tab_ref->re, &tab1->re, fft_nbits);
+            m.imdct_calc(&m, tab2, &tab1->re);
+            err = check_diff(&tab_ref->re, tab2, fft_size, scale);
+        } else {
+            mdct_ref(&tab_ref->re, &tab1->re, fft_nbits);
+            m.mdct_calc(&m, tab2, &tab1->re);
+            err = check_diff(&tab_ref->re, tab2, fft_size / 2, scale);
+        }
+        break;
+#endif /* CONFIG_MDCT */
+    case TRANSFORM_FFT:
+        memcpy(tab, tab1, fft_size * sizeof(FFTComplex));
+        s.fft_permute(&s, tab);
+        s.fft_calc(&s, tab);
+
+        fft_ref(tab_ref, tab1, fft_nbits);
+        err = check_diff(&tab_ref->re, &tab->re, fft_size * 2, 1.0);
+        break;
+#if FFT_FLOAT
+#if CONFIG_RDFT
+    case TRANSFORM_RDFT:
+    {
+        int fft_size_2 = fft_size >> 1;
+        if (do_inverse) {
+            tab1[0].im          = 0;
+            tab1[fft_size_2].im = 0;
+            for (i = 1; i < fft_size_2; i++) {
+                tab1[fft_size_2 + i].re =  tab1[fft_size_2 - i].re;
+                tab1[fft_size_2 + i].im = -tab1[fft_size_2 - i].im;
+            }
+
+            memcpy(tab2, tab1, fft_size * sizeof(FFTSample));
+            tab2[1] = tab1[fft_size_2].re;
+
+            r.rdft_calc(&r, tab2);
+            fft_ref(tab_ref, tab1, fft_nbits);
+            for (i = 0; i < fft_size; i++) {
+                tab[i].re = tab2[i];
+                tab[i].im = 0;
+            }
+            err = check_diff(&tab_ref->re, &tab->re, fft_size * 2, 0.5);
+        } else {
+            for (i = 0; i < fft_size; i++) {
+                tab2[i]    = tab1[i].re;
+                tab1[i].im = 0;
+            }
+            r.rdft_calc(&r, tab2);
+            fft_ref(tab_ref, tab1, fft_nbits);
+            tab_ref[0].im = tab_ref[fft_size_2].re;
+            err = check_diff(&tab_ref->re, tab2, fft_size, 1.0);
+        }
+        break;
+    }
+#endif /* CONFIG_RDFT */
+#if CONFIG_DCT
+    case TRANSFORM_DCT:
+        memcpy(tab, tab1, fft_size * sizeof(FFTComplex));
+        d.dct_calc(&d, &tab->re);
+        if (do_inverse)
+            idct_ref(&tab_ref->re, &tab1->re, fft_nbits);
+        else
+            dct_ref(&tab_ref->re, &tab1->re, fft_nbits);
+        err = check_diff(&tab_ref->re, &tab->re, fft_size, 1.0);
+        break;
+#endif /* CONFIG_DCT */
+#endif /* FFT_FLOAT */
+    }
+
+    /* do a speed test */
+
+    if (do_speed) {
+        int64_t time_start, duration;
+        int nb_its;
+
+        av_log(NULL, AV_LOG_INFO, "Speed test...\n");
+        /* we measure during about 1 seconds */
+        nb_its = 1;
+        for (;;) {
+            time_start = av_gettime_relative();
+            for (it = 0; it < nb_its; it++) {
+                switch (transform) {
+                case TRANSFORM_MDCT:
+                    if (do_inverse)
+                        m.imdct_calc(&m, &tab->re, &tab1->re);
+                    else
+                        m.mdct_calc(&m, &tab->re, &tab1->re);
+                    break;
+                case TRANSFORM_FFT:
+                    memcpy(tab, tab1, fft_size * sizeof(FFTComplex));
+                    s.fft_calc(&s, tab);
+                    break;
+#if FFT_FLOAT
+                case TRANSFORM_RDFT:
+                    memcpy(tab2, tab1, fft_size * sizeof(FFTSample));
+                    r.rdft_calc(&r, tab2);
+                    break;
+                case TRANSFORM_DCT:
+                    memcpy(tab2, tab1, fft_size * sizeof(FFTSample));
+                    d.dct_calc(&d, tab2);
+                    break;
+#endif /* FFT_FLOAT */
+                }
+            }
+            duration = av_gettime_relative() - time_start;
+            if (duration >= 1000000)
+                break;
+            nb_its *= 2;
+        }
+        av_log(NULL, AV_LOG_INFO,
+               "time: %0.1f us/transform [total time=%0.2f s its=%d]\n",
+               (double) duration / nb_its,
+               (double) duration / 1000000.0,
+               nb_its);
+    }
+
+    switch (transform) {
+#if CONFIG_MDCT
+    case TRANSFORM_MDCT:
+        ff_mdct_end(&m);
+        break;
+#endif /* CONFIG_MDCT */
+    case TRANSFORM_FFT:
+        ff_fft_end(&s);
+        break;
+#if FFT_FLOAT
+#    if CONFIG_RDFT
+    case TRANSFORM_RDFT:
+        ff_rdft_end(&r);
+        break;
+#    endif /* CONFIG_RDFT */
+#    if CONFIG_DCT
+    case TRANSFORM_DCT:
+        ff_dct_end(&d);
+        break;
+#    endif /* CONFIG_DCT */
+#endif /* FFT_FLOAT */
+    }
+
+cleanup:
+    av_free(tab);
+    av_free(tab1);
+    av_free(tab2);
+    av_free(tab_ref);
+    av_free(exptab);
+
+    if (err)
+        printf("Error: %d.\n", err);
+
+    return !!err;
+}
diff --git a/libavcodec/tests/golomb.c b/libavcodec/tests/golomb.c
new file mode 100644
index 0000000000..965367b7be
--- /dev/null
+++ b/libavcodec/tests/golomb.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+
+#include "libavutil/mem.h"
+
+#include "libavcodec/get_bits.h"
+#include "libavcodec/golomb.h"
+#include "libavcodec/put_bits.h"
+
+#define COUNT 8191
+#define SIZE (COUNT * 4)
+
+int main(void)
+{
+    int i, ret = 0;
+    uint8_t *temp;
+    PutBitContext pb;
+    GetBitContext gb;
+
+    temp = av_malloc(SIZE);
+    if (!temp)
+        return 2;
+
+    init_put_bits(&pb, temp, SIZE);
+    for (i = 0; i < COUNT; i++)
+        set_ue_golomb(&pb, i);
+    flush_put_bits(&pb);
+
+    init_get_bits(&gb, temp, 8 * SIZE);
+    for (i = 0; i < COUNT; i++) {
+        int j, s = show_bits(&gb, 25);
+
+        j = get_ue_golomb(&gb);
+        if (j != i) {
+            fprintf(stderr, "get_ue_golomb: expected %d, got %d. bits: %7x\n",
+                    i, j, s);
+            ret = 1;
+        }
+    }
+
+#define EXTEND(i) ((i) << 3 | (i) & 7)
+    init_put_bits(&pb, temp, SIZE);
+    for (i = 0; i < COUNT; i++)
+        set_ue_golomb(&pb, EXTEND(i));
+    flush_put_bits(&pb);
+
+    init_get_bits(&gb, temp, 8 * SIZE);
+    for (i = 0; i < COUNT; i++) {
+        int j, s = show_bits_long(&gb, 32);
+
+        j = get_ue_golomb_long(&gb);
+        if (j != EXTEND(i)) {
+            fprintf(stderr, "get_ue_golomb_long: expected %d, got %d. "
+                    "bits: %8x\n", EXTEND(i), j, s);
+            ret = 1;
+        }
+    }
+
+    init_put_bits(&pb, temp, SIZE);
+    for (i = 0; i < COUNT; i++)
+        set_se_golomb(&pb, i - COUNT / 2);
+    flush_put_bits(&pb);
+
+    init_get_bits(&gb, temp, 8 * SIZE);
+    for (i = 0; i < COUNT; i++) {
+        int j, s = show_bits(&gb, 25);
+
+        j = get_se_golomb(&gb);
+        if (j != i - COUNT / 2) {
+            fprintf(stderr, "get_se_golomb: expected %d, got %d. bits: %7x\n",
+                    i - COUNT / 2, j, s);
+            ret = 1;
+        }
+    }
+
+    av_free(temp);
+
+    return ret;
+}
diff --git a/libavcodec/tests/iirfilter.c b/libavcodec/tests/iirfilter.c
new file mode 100644
index 0000000000..60cc6fc43d
--- /dev/null
+++ b/libavcodec/tests/iirfilter.c
@@ -0,0 +1,54 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <math.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include "libavutil/libm.h"
+
+#include "libavcodec/iirfilter.h"
+
+#define FILT_ORDER 4
+#define SIZE 1024
+
+int main(void)
+{
+    struct FFIIRFilterCoeffs *fcoeffs = NULL;
+    struct FFIIRFilterState  *fstate  = NULL;
+    float cutoff_coeff = 0.4;
+    int16_t x[SIZE], y[SIZE];
+    int i;
+
+    fcoeffs = ff_iir_filter_init_coeffs(NULL, FF_FILTER_TYPE_BUTTERWORTH,
+                                        FF_FILTER_MODE_LOWPASS, FILT_ORDER,
+                                        cutoff_coeff, 0.0, 0.0);
+    fstate  = ff_iir_filter_init_state(FILT_ORDER);
+
+    for (i = 0; i < SIZE; i++)
+        x[i] = lrint(0.75 * INT16_MAX * sin(0.5 * M_PI * i * i / SIZE));
+
+    ff_iir_filter(fcoeffs, fstate, SIZE, x, 1, y, 1);
+
+    for (i = 0; i < SIZE; i++)
+        printf("%6d %6d\n", x[i], y[i]);
+
+    ff_iir_filter_free_coeffsp(&fcoeffs);
+    ff_iir_filter_free_statep(&fstate);
+    return 0;
+}
diff --git a/libavcodec/tests/imgconvert.c b/libavcodec/tests/imgconvert.c
new file mode 100644
index 0000000000..c598d461d3
--- /dev/null
+++ b/libavcodec/tests/imgconvert.c
@@ -0,0 +1,50 @@
+/*
+ * Misc image conversion routines
+ * Copyright (c) 2001, 2002, 2003 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavcodec/imgconvert.c"
+
+#if FF_API_AVPICTURE
+FF_DISABLE_DEPRECATION_WARNINGS
+int main(void){
+    int i;
+    int err=0;
+    int skip = 0;
+
+    for (i=0; i<AV_PIX_FMT_NB*2; i++) {
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(i);
+        if(!desc || !desc->name) {
+            skip ++;
+            continue;
+        }
+        if (skip) {
+            av_log(NULL, AV_LOG_INFO, "%3d unused pixel format values\n", skip);
+            skip = 0;
+        }
+        av_log(NULL, AV_LOG_INFO, "pix fmt %s yuv_plan:%d avg_bpp:%d\n", desc->name, is_yuv_planar(desc), av_get_padded_bits_per_pixel(desc));
+        if ((!(desc->flags & AV_PIX_FMT_FLAG_ALPHA)) != (desc->nb_components != 2 && desc->nb_components != 4)) {
+            av_log(NULL, AV_LOG_ERROR, "Alpha flag mismatch\n");
+            err = 1;
+        }
+    }
+    return err;
+}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_AVPICTURE */
diff --git a/libavcodec/tests/jpeg2000dwt.c b/libavcodec/tests/jpeg2000dwt.c
new file mode 100644
index 0000000000..80b33bee79
--- /dev/null
+++ b/libavcodec/tests/jpeg2000dwt.c
@@ -0,0 +1,141 @@
+/*
+ * Discrete wavelet transform
+ * Copyright (c) 2007 Kamil Nowosad
+ * Copyright (c) 2013 Nicolas Bertrand <nicoinattendu@gmail.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavcodec/jpeg2000dwt.c"
+
+#include "libavutil/lfg.h"
+
+#define MAX_W 256
+
+static int test_dwt(int *array, int *ref, int border[2][2], int decomp_levels, int type, int max_diff) {
+    int ret, j;
+    DWTContext s1={{{0}}}, *s= &s1;
+    int64_t err2 = 0;
+
+    ret = ff_jpeg2000_dwt_init(s,  border, decomp_levels, type);
+    if (ret < 0) {
+        fprintf(stderr, "ff_jpeg2000_dwt_init failed\n");
+        return 1;
+    }
+    ret = ff_dwt_encode(s, array);
+    if (ret < 0) {
+        fprintf(stderr, "ff_dwt_encode failed\n");
+        return 1;
+    }
+    ret = ff_dwt_decode(s, array);
+    if (ret < 0) {
+        fprintf(stderr, "ff_dwt_encode failed\n");
+        return 1;
+    }
+    for (j = 0; j<MAX_W * MAX_W; j++) {
+        if (FFABS(array[j] - ref[j]) > max_diff) {
+            fprintf(stderr, "missmatch at %d (%d != %d) decomp:%d border %d %d %d %d\n",
+                    j, array[j], ref[j],decomp_levels, border[0][0], border[0][1], border[1][0], border[1][1]);
+            return 2;
+        }
+        err2 += (array[j] - ref[j]) * (array[j] - ref[j]);
+        array[j] = ref[j];
+    }
+    ff_dwt_destroy(s);
+
+    printf("%s, decomp:%2d border %3d %3d %3d %3d milli-err2:%9"PRId64"\n",
+           type == FF_DWT53 ? "5/3i" : "9/7i",
+           decomp_levels, border[0][0], border[0][1], border[1][0], border[1][1],
+           1000*err2 / ((border[0][1] - border[0][0])*(border[1][1] - border[1][0])));
+
+    return 0;
+}
+
+static int test_dwtf(float *array, float *ref, int border[2][2], int decomp_levels, float max_diff) {
+    int ret, j;
+    DWTContext s1={{{0}}}, *s= &s1;
+    double err2 = 0;
+
+    ret = ff_jpeg2000_dwt_init(s,  border, decomp_levels, FF_DWT97);
+    if (ret < 0) {
+        fprintf(stderr, "ff_jpeg2000_dwt_init failed\n");
+        return 1;
+    }
+    ret = ff_dwt_encode(s, array);
+    if (ret < 0) {
+        fprintf(stderr, "ff_dwt_encode failed\n");
+        return 1;
+    }
+    ret = ff_dwt_decode(s, array);
+    if (ret < 0) {
+        fprintf(stderr, "ff_dwt_encode failed\n");
+        return 1;
+    }
+    for (j = 0; j<MAX_W * MAX_W; j++) {
+        if (FFABS(array[j] - ref[j]) > max_diff) {
+            fprintf(stderr, "missmatch at %d (%f != %f) decomp:%d border %d %d %d %d\n",
+                    j, array[j], ref[j],decomp_levels, border[0][0], border[0][1], border[1][0], border[1][1]);
+            return 2;
+        }
+        err2 += (array[j] - ref[j]) * (array[j] - ref[j]);
+        array[j] = ref[j];
+    }
+    ff_dwt_destroy(s);
+
+    printf("9/7f, decomp:%2d border %3d %3d %3d %3d err2:%20.3f\n",
+           decomp_levels, border[0][0], border[0][1], border[1][0], border[1][1],
+           err2 / ((border[0][1] - border[0][0])*(border[1][1] - border[1][0])));
+
+    return 0;
+}
+
+static int array[MAX_W * MAX_W];
+static int ref  [MAX_W * MAX_W];
+static float arrayf[MAX_W * MAX_W];
+static float reff  [MAX_W * MAX_W];
+
+int main(void) {
+    AVLFG prng;
+    int i,j;
+    int border[2][2];
+    int ret, decomp_levels;
+
+    av_lfg_init(&prng, 1);
+
+    for (i = 0; i<MAX_W * MAX_W; i++)
+        arrayf[i] = reff[i] = array[i] = ref[i] =  av_lfg_get(&prng) % 2048;
+
+    for (i = 0; i < 100; i++) {
+        for (j=0; j<4; j++)
+            border[j>>1][j&1] = av_lfg_get(&prng) % MAX_W;
+        if (border[0][0] >= border[0][1] || border[1][0] >= border[1][1])
+            continue;
+        decomp_levels = av_lfg_get(&prng) % FF_DWT_MAX_DECLVLS;
+
+        ret = test_dwt(array, ref, border, decomp_levels, FF_DWT53, 0);
+        if (ret)
+            return ret;
+        ret = test_dwt(array, ref, border, decomp_levels, FF_DWT97_INT, FFMIN(7+5*decomp_levels, 15+3*decomp_levels));
+        if (ret)
+            return ret;
+        ret = test_dwtf(arrayf, reff, border, decomp_levels, 0.05);
+        if (ret)
+            return ret;
+    }
+
+    return 0;
+}
diff --git a/libavcodec/tests/mathops.c b/libavcodec/tests/mathops.c
new file mode 100644
index 0000000000..33a059cad8
--- /dev/null
+++ b/libavcodec/tests/mathops.c
@@ -0,0 +1,41 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavcodec/mathops.h"
+
+#include <stdlib.h>
+
+int main(void)
+{
+    unsigned u;
+
+    for(u=0; u<65536; u++) {
+        unsigned s = u*u;
+        unsigned root = ff_sqrt(s);
+        unsigned root_m1 = ff_sqrt(s-1);
+        if (s && root != u) {
+            fprintf(stderr, "ff_sqrt failed at %u with %u\n", s, root);
+            return 1;
+        }
+        if (u && root_m1 != u - 1) {
+            fprintf(stderr, "ff_sqrt failed at %u with %u\n", s, root);
+            return 1;
+        }
+    }
+    return 0;
+}
diff --git a/libavcodec/tests/motion.c b/libavcodec/tests/motion.c
new file mode 100644
index 0000000000..d89f9408c2
--- /dev/null
+++ b/libavcodec/tests/motion.c
@@ -0,0 +1,152 @@
+/*
+ * (c) 2001 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * motion test.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "config.h"
+#include "libavcodec/me_cmp.h"
+#include "libavutil/internal.h"
+#include "libavutil/lfg.h"
+#include "libavutil/mem.h"
+#include "libavutil/time.h"
+
+#undef printf
+
+#define WIDTH 64
+#define HEIGHT 64
+
+static uint8_t img1[WIDTH * HEIGHT];
+static uint8_t img2[WIDTH * HEIGHT];
+
+static void fill_random(uint8_t *tab, int size)
+{
+    int i;
+    AVLFG prng;
+
+    av_lfg_init(&prng, 1);
+    for(i=0;i<size;i++) {
+        tab[i] = av_lfg_get(&prng) % 256;
+    }
+}
+
+static void help(void)
+{
+    printf("motion-test [-h]\n"
+           "test motion implementations\n");
+}
+
+#define NB_ITS 500
+
+int dummy;
+
+static void test_motion(const char *name,
+                 me_cmp_func test_func, me_cmp_func ref_func)
+{
+    int x, y, d1, d2, it;
+    uint8_t *ptr;
+    int64_t ti;
+    printf("testing '%s'\n", name);
+
+    /* test correctness */
+    for(it=0;it<20;it++) {
+
+        fill_random(img1, WIDTH * HEIGHT);
+        fill_random(img2, WIDTH * HEIGHT);
+
+        for(y=0;y<HEIGHT-17;y++) {
+            for(x=0;x<WIDTH-17;x++) {
+                ptr = img2 + y * WIDTH + x;
+                d1 = test_func(NULL, img1, ptr, WIDTH, 8);
+                d2 = ref_func(NULL, img1, ptr, WIDTH, 8);
+                if (d1 != d2) {
+                    printf("error: mmx=%d c=%d\n", d1, d2);
+                }
+            }
+        }
+    }
+    emms_c();
+
+    /* speed test */
+    ti = av_gettime_relative();
+    d1 = 0;
+    for(it=0;it<NB_ITS;it++) {
+        for(y=0;y<HEIGHT-17;y++) {
+            for(x=0;x<WIDTH-17;x++) {
+                ptr = img2 + y * WIDTH + x;
+                d1 += test_func(NULL, img1, ptr, WIDTH, 8);
+            }
+        }
+    }
+    emms_c();
+    dummy = d1; /* avoid optimization */
+    ti = av_gettime_relative() - ti;
+
+    printf("  %0.0f kop/s\n",
+           (double)NB_ITS * (WIDTH - 16) * (HEIGHT - 16) /
+           (double)(ti / 1000.0));
+}
+
+
+int main(int argc, char **argv)
+{
+    AVCodecContext *ctx;
+    int c;
+    MECmpContext cctx, mmxctx;
+    int flags[2] = { AV_CPU_FLAG_MMX, AV_CPU_FLAG_MMXEXT };
+    int flags_size = HAVE_MMXEXT ? 2 : 1;
+
+    if (argc > 1) {
+        help();
+        return 1;
+    }
+
+    printf("ffmpeg motion test\n");
+
+    ctx = avcodec_alloc_context3(NULL);
+    ctx->flags |= AV_CODEC_FLAG_BITEXACT;
+    av_force_cpu_flags(0);
+    memset(&cctx, 0, sizeof(cctx));
+    ff_me_cmp_init(&cctx, ctx);
+    for (c = 0; c < flags_size; c++) {
+        int x;
+        av_force_cpu_flags(flags[c]);
+        memset(&mmxctx, 0, sizeof(mmxctx));
+        ff_me_cmp_init(&mmxctx, ctx);
+
+        for (x = 0; x < 2; x++) {
+            printf("%s for %dx%d pixels\n", c ? "mmx2" : "mmx",
+                   x ? 8 : 16, x ? 8 : 16);
+            test_motion("mmx",     mmxctx.pix_abs[x][0], cctx.pix_abs[x][0]);
+            test_motion("mmx_x2",  mmxctx.pix_abs[x][1], cctx.pix_abs[x][1]);
+            test_motion("mmx_y2",  mmxctx.pix_abs[x][2], cctx.pix_abs[x][2]);
+            test_motion("mmx_xy2", mmxctx.pix_abs[x][3], cctx.pix_abs[x][3]);
+        }
+    }
+    av_free(ctx);
+
+    return 0;
+}
diff --git a/libavcodec/tests/options.c b/libavcodec/tests/options.c
new file mode 100644
index 0000000000..7f0ee1d807
--- /dev/null
+++ b/libavcodec/tests/options.c
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2001 Fabrice Bellard
+ * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavcodec/options.c"
+
+static int dummy_init(AVCodecContext *ctx)
+{
+    //TODO: this code should set every possible pointer that could be set by codec and is not an option;
+    ctx->extradata_size = 8;
+    ctx->extradata = av_malloc(ctx->extradata_size);
+    return 0;
+}
+
+static int dummy_close(AVCodecContext *ctx)
+{
+    av_freep(&ctx->extradata);
+    ctx->extradata_size = 0;
+    return 0;
+}
+
+static int dummy_encode(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
+{
+    return AVERROR(ENOSYS);
+}
+
+typedef struct Dummy12Context {
+    AVClass  *av_class;
+    int      num;
+    char*    str;
+} Dummy12Context;
+
+typedef struct Dummy3Context {
+    void     *fake_av_class;
+    int      num;
+    char*    str;
+} Dummy3Context;
+
+#define OFFSET(x) offsetof(Dummy12Context, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption dummy_options[] = {
+    { "str", "set str", OFFSET(str), AV_OPT_TYPE_STRING, { .str = "i'm src default value" }, 0, 0, VE},
+    { "num", "set num", OFFSET(num), AV_OPT_TYPE_INT,    { .i64 = 1500100900 },    0, INT_MAX, VE},
+    { NULL },
+};
+
+static const AVClass dummy_v1_class = {
+    .class_name = "dummy_v1_class",
+    .item_name  = av_default_item_name,
+    .option     = dummy_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVClass dummy_v2_class = {
+    .class_name = "dummy_v2_class",
+    .item_name  = av_default_item_name,
+    .option     = dummy_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+/* codec with options */
+static AVCodec dummy_v1_encoder = {
+    .name             = "dummy_v1_codec",
+    .type             = AVMEDIA_TYPE_VIDEO,
+    .id               = AV_CODEC_ID_NONE - 1,
+    .encode2          = dummy_encode,
+    .init             = dummy_init,
+    .close            = dummy_close,
+    .priv_class       = &dummy_v1_class,
+    .priv_data_size   = sizeof(Dummy12Context),
+};
+
+/* codec with options, different class */
+static AVCodec dummy_v2_encoder = {
+    .name             = "dummy_v2_codec",
+    .type             = AVMEDIA_TYPE_VIDEO,
+    .id               = AV_CODEC_ID_NONE - 2,
+    .encode2          = dummy_encode,
+    .init             = dummy_init,
+    .close            = dummy_close,
+    .priv_class       = &dummy_v2_class,
+    .priv_data_size   = sizeof(Dummy12Context),
+};
+
+/* codec with priv data, but no class */
+static AVCodec dummy_v3_encoder = {
+    .name             = "dummy_v3_codec",
+    .type             = AVMEDIA_TYPE_VIDEO,
+    .id               = AV_CODEC_ID_NONE - 3,
+    .encode2          = dummy_encode,
+    .init             = dummy_init,
+    .close            = dummy_close,
+    .priv_data_size   = sizeof(Dummy3Context),
+};
+
+/* codec without priv data */
+static AVCodec dummy_v4_encoder = {
+    .name             = "dummy_v4_codec",
+    .type             = AVMEDIA_TYPE_VIDEO,
+    .id               = AV_CODEC_ID_NONE - 4,
+    .encode2          = dummy_encode,
+    .init             = dummy_init,
+    .close            = dummy_close,
+};
+
+static void test_copy_print_codec(const AVCodecContext *ctx)
+{
+    printf("%-14s: %dx%d prv: %s",
+           ctx->codec ? ctx->codec->name : "NULL",
+           ctx->width, ctx->height,
+           ctx->priv_data ? "set" : "null");
+    if (ctx->codec && ctx->codec->priv_class && ctx->codec->priv_data_size) {
+        int64_t i64;
+        char *str = NULL;
+        av_opt_get_int(ctx->priv_data, "num", 0, &i64);
+        av_opt_get(ctx->priv_data, "str", 0, (uint8_t**)&str);
+        printf(" opts: %"PRId64" %s", i64, str);
+        av_free(str);
+    }
+    printf("\n");
+}
+
+static void test_copy(const AVCodec *c1, const AVCodec *c2)
+{
+    AVCodecContext *ctx1, *ctx2;
+    printf("%s -> %s\nclosed:\n", c1 ? c1->name : "NULL", c2 ? c2->name : "NULL");
+    ctx1 = avcodec_alloc_context3(c1);
+    ctx2 = avcodec_alloc_context3(c2);
+    ctx1->width = ctx1->height = 128;
+    if (ctx2->codec && ctx2->codec->priv_class && ctx2->codec->priv_data_size) {
+        av_opt_set(ctx2->priv_data, "num", "667", 0);
+        av_opt_set(ctx2->priv_data, "str", "i'm dest value before copy", 0);
+    }
+    avcodec_copy_context(ctx2, ctx1);
+    test_copy_print_codec(ctx1);
+    test_copy_print_codec(ctx2);
+    if (ctx1->codec) {
+        int ret;
+        printf("opened:\n");
+        ret = avcodec_open2(ctx1, ctx1->codec, NULL);
+        if (ret < 0) {
+            fprintf(stderr, "avcodec_open2 failed\n");
+            exit(1);
+        }
+        if (ctx2->codec && ctx2->codec->priv_class && ctx2->codec->priv_data_size) {
+            av_opt_set(ctx2->priv_data, "num", "667", 0);
+            av_opt_set(ctx2->priv_data, "str", "i'm dest value before copy", 0);
+        }
+        avcodec_copy_context(ctx2, ctx1);
+        test_copy_print_codec(ctx1);
+        test_copy_print_codec(ctx2);
+        avcodec_close(ctx1);
+    }
+    avcodec_free_context(&ctx1);
+    avcodec_free_context(&ctx2);
+}
+
+int main(void)
+{
+    AVCodec *dummy_codec[] = {
+        &dummy_v1_encoder,
+        &dummy_v2_encoder,
+        &dummy_v3_encoder,
+        &dummy_v4_encoder,
+        NULL,
+    };
+    int i, j;
+
+    for (i = 0; dummy_codec[i]; i++)
+        avcodec_register(dummy_codec[i]);
+
+    printf("testing avcodec_copy_context()\n");
+    for (i = 0; i < FF_ARRAY_ELEMS(dummy_codec); i++)
+        for (j = 0; j < FF_ARRAY_ELEMS(dummy_codec); j++)
+            test_copy(dummy_codec[i], dummy_codec[j]);
+    return 0;
+}
diff --git a/libavcodec/tests/ppc/dct.c b/libavcodec/tests/ppc/dct.c
new file mode 100644
index 0000000000..d95db525af
--- /dev/null
+++ b/libavcodec/tests/ppc/dct.c
@@ -0,0 +1,32 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#include "libavcodec/ppc/fdct.h"
+
+static const struct algo fdct_tab_arch[] = {
+#if HAVE_ALTIVEC
+    { "altivecfdct", ff_fdct_altivec, FF_IDCT_PERM_NONE, AV_CPU_FLAG_ALTIVEC },
+#endif
+    { 0 }
+};
+
+static const struct algo idct_tab_arch[] = {
+    { 0 }
+};
diff --git a/libavcodec/tests/rangecoder.c b/libavcodec/tests/rangecoder.c
new file mode 100644
index 0000000000..2da5c0ce33
--- /dev/null
+++ b/libavcodec/tests/rangecoder.c
@@ -0,0 +1,64 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include "libavutil/lfg.h"
+#include "libavutil/log.h"
+
+#include "libavcodec/rangecoder.h"
+
+#define SIZE 10240
+
+int main(void)
+{
+    RangeCoder c;
+    uint8_t b[9 * SIZE];
+    uint8_t r[9 * SIZE];
+    int i;
+    uint8_t state[10];
+    AVLFG prng;
+
+    av_lfg_init(&prng, 1);
+
+    ff_init_range_encoder(&c, b, SIZE);
+    ff_build_rac_states(&c, (1LL << 32) / 20, 128 + 64 + 32 + 16);
+
+    memset(state, 128, sizeof(state));
+
+    for (i = 0; i < SIZE; i++)
+        r[i] = av_lfg_get(&prng) % 7;
+
+    for (i = 0; i < SIZE; i++)
+        put_rac(&c, state, r[i] & 1);
+
+    ff_rac_terminate(&c);
+
+    ff_init_range_decoder(&c, b, SIZE);
+
+    memset(state, 128, sizeof(state));
+
+    for (i = 0; i < SIZE; i++)
+        if ((r[i] & 1) != get_rac(&c, state)) {
+            av_log(NULL, AV_LOG_ERROR, "rac failure at %d\n", i);
+            return 1;
+        }
+
+    return 0;
+}
diff --git a/libavcodec/tests/snowenc.c b/libavcodec/tests/snowenc.c
new file mode 100644
index 0000000000..d5f94e8a61
--- /dev/null
+++ b/libavcodec/tests/snowenc.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2004 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavcodec/snowenc.c"
+
+#undef malloc
+#undef free
+#undef printf
+
+#include "libavutil/lfg.h"
+#include "libavutil/mathematics.h"
+
+int main(void){
+#define width  256
+#define height 256
+    int buffer[2][width*height];
+    SnowContext s;
+    int i;
+    AVLFG prng;
+    s.spatial_decomposition_count=6;
+    s.spatial_decomposition_type=1;
+
+    s.temp_dwt_buffer  = av_mallocz_array(width, sizeof(DWTELEM));
+    s.temp_idwt_buffer = av_mallocz_array(width, sizeof(IDWTELEM));
+
+    if (!s.temp_dwt_buffer || !s.temp_idwt_buffer) {
+        fprintf(stderr, "Failed to allocate memory\n");
+        return 1;
+    }
+
+    av_lfg_init(&prng, 1);
+
+    printf("testing 5/3 DWT\n");
+    for(i=0; i<width*height; i++)
+        buffer[0][i] = buffer[1][i] = av_lfg_get(&prng) % 54321 - 12345;
+
+    ff_spatial_dwt(buffer[0], s.temp_dwt_buffer, width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
+    ff_spatial_idwt((IDWTELEM*)buffer[0], s.temp_idwt_buffer, width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
+
+    for(i=0; i<width*height; i++)
+        if(buffer[0][i]!= buffer[1][i]) printf("fsck: %6d %12d %7d\n",i, buffer[0][i], buffer[1][i]);
+
+    printf("testing 9/7 DWT\n");
+    s.spatial_decomposition_type=0;
+    for(i=0; i<width*height; i++)
+        buffer[0][i] = buffer[1][i] = av_lfg_get(&prng) % 54321 - 12345;
+
+    ff_spatial_dwt(buffer[0], s.temp_dwt_buffer, width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
+    ff_spatial_idwt((IDWTELEM*)buffer[0], s.temp_idwt_buffer, width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
+
+    for(i=0; i<width*height; i++)
+        if(FFABS(buffer[0][i] - buffer[1][i])>20) printf("fsck: %6d %12d %7d\n",i, buffer[0][i], buffer[1][i]);
+
+    {
+    int level, orientation, x, y;
+    int64_t errors[8][4];
+    int64_t g=0;
+
+        memset(errors, 0, sizeof(errors));
+        s.spatial_decomposition_count=3;
+        s.spatial_decomposition_type=0;
+        for(level=0; level<s.spatial_decomposition_count; level++){
+            for(orientation=level ? 1 : 0; orientation<4; orientation++){
+                int w= width  >> (s.spatial_decomposition_count-level);
+                int h= height >> (s.spatial_decomposition_count-level);
+                int stride= width  << (s.spatial_decomposition_count-level);
+                DWTELEM *buf= buffer[0];
+                int64_t error=0;
+
+                if(orientation&1) buf+=w;
+                if(orientation>1) buf+=stride>>1;
+
+                memset(buffer[0], 0, sizeof(int)*width*height);
+                buf[w/2 + h/2*stride]= 256*256;
+                ff_spatial_idwt((IDWTELEM*)buffer[0], s.temp_idwt_buffer, width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
+                for(y=0; y<height; y++){
+                    for(x=0; x<width; x++){
+                        int64_t d= buffer[0][x + y*width];
+                        error += d*d;
+                        if(FFABS(width/2-x)<9 && FFABS(height/2-y)<9 && level==2) printf("%8"PRId64" ", d);
+                    }
+                    if(FFABS(height/2-y)<9 && level==2) printf("\n");
+                }
+                error= (int)(sqrt(error)+0.5);
+                errors[level][orientation]= error;
+                if(g) g=av_gcd(g, error);
+                else g= error;
+            }
+        }
+        printf("static int const visual_weight[][4]={\n");
+        for(level=0; level<s.spatial_decomposition_count; level++){
+            printf("  {");
+            for(orientation=0; orientation<4; orientation++){
+                printf("%8"PRId64",", errors[level][orientation]/g);
+            }
+            printf("},\n");
+        }
+        printf("};\n");
+        {
+            int level=2;
+            int w= width  >> (s.spatial_decomposition_count-level);
+            //int h= height >> (s.spatial_decomposition_count-level);
+            int stride= width  << (s.spatial_decomposition_count-level);
+            DWTELEM *buf= buffer[0];
+            int64_t error=0;
+
+            buf+=w;
+            buf+=stride>>1;
+
+            memset(buffer[0], 0, sizeof(int)*width*height);
+            for(y=0; y<height; y++){
+                for(x=0; x<width; x++){
+                    int tab[4]={0,2,3,1};
+                    buffer[0][x+width*y]= 256*256*tab[(x&1) + 2*(y&1)];
+                }
+            }
+            ff_spatial_dwt(buffer[0], s.temp_dwt_buffer, width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
+            for(y=0; y<height; y++){
+                for(x=0; x<width; x++){
+                    int64_t d= buffer[0][x + y*width];
+                    error += d*d;
+                    if(FFABS(width/2-x)<9 && FFABS(height/2-y)<9) printf("%8"PRId64" ", d);
+                }
+                if(FFABS(height/2-y)<9) printf("\n");
+            }
+        }
+
+    }
+    return 0;
+}
diff --git a/libavcodec/tests/utils.c b/libavcodec/tests/utils.c
new file mode 100644
index 0000000000..e2891fb389
--- /dev/null
+++ b/libavcodec/tests/utils.c
@@ -0,0 +1,37 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavcodec/avcodec.h"
+
+int main(void){
+    AVCodec *codec = NULL;
+    int ret = 0;
+    avcodec_register_all();
+
+    while (codec = av_codec_next(codec)) {
+        if (av_codec_is_encoder(codec)) {
+            if (codec->type == AVMEDIA_TYPE_AUDIO) {
+                if (!codec->sample_fmts) {
+                    av_log(NULL, AV_LOG_FATAL, "Encoder %s is missing the sample_fmts field\n", codec->name);
+                    ret = 1;
+                }
+            }
+        }
+    }
+    return ret;
+}
diff --git a/libavcodec/tests/x86/dct.c b/libavcodec/tests/x86/dct.c
new file mode 100644
index 0000000000..b6cdfb346c
--- /dev/null
+++ b/libavcodec/tests/x86/dct.c
@@ -0,0 +1,133 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#include "libavcodec/x86/fdct.h"
+#include "libavcodec/x86/xvididct.h"
+#include "libavcodec/x86/simple_idct.h"
+
+#if (CONFIG_PRORES_DECODER || CONFIG_PRORES_LGPL_DECODER) && ARCH_X86_64 && HAVE_YASM
+void ff_prores_idct_put_10_sse2(uint16_t *dst, int linesize,
+                                int16_t *block, int16_t *qmat);
+
+#define PR_WRAP(INSN) \
+static void ff_prores_idct_put_10_##INSN##_wrap(int16_t *dst){ \
+    LOCAL_ALIGNED(16, int16_t, qmat, [64]); \
+    LOCAL_ALIGNED(16, int16_t, tmp, [64]); \
+    int i; \
+ \
+    for(i=0; i<64; i++){ \
+        qmat[i]=4; \
+        tmp[i]= dst[i]; \
+    } \
+    ff_prores_idct_put_10_##INSN (dst, 16, tmp, qmat); \
+ \
+    for(i=0; i<64; i++) { \
+         dst[i] -= 512; \
+    } \
+}
+
+PR_WRAP(sse2)
+
+# if HAVE_AVX_EXTERNAL
+void ff_prores_idct_put_10_avx(uint16_t *dst, int linesize,
+                               int16_t *block, int16_t *qmat);
+PR_WRAP(avx)
+# endif
+
+#endif
+
+static const struct algo fdct_tab_arch[] = {
+#if HAVE_MMX_INLINE
+    { "MMX",    ff_fdct_mmx,    FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMX },
+#endif
+#if HAVE_MMXEXT_INLINE
+    { "MMXEXT", ff_fdct_mmxext, FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMXEXT },
+#endif
+#if HAVE_SSE2_INLINE
+    { "SSE2",   ff_fdct_sse2,   FF_IDCT_PERM_NONE, AV_CPU_FLAG_SSE2 },
+#endif
+    { 0 }
+};
+
+static const struct algo idct_tab_arch[] = {
+#if HAVE_MMX_INLINE
+    { "SIMPLE-MMX",  ff_simple_idct_mmx,  FF_IDCT_PERM_SIMPLE, AV_CPU_FLAG_MMX },
+#endif
+#if CONFIG_MPEG4_DECODER && HAVE_YASM
+#if ARCH_X86_32
+    { "XVID-MMX",    ff_xvid_idct_mmx,    FF_IDCT_PERM_NONE,   AV_CPU_FLAG_MMX,    1 },
+    { "XVID-MMXEXT", ff_xvid_idct_mmxext, FF_IDCT_PERM_NONE,   AV_CPU_FLAG_MMXEXT, 1 },
+#endif
+#if HAVE_SSE2_EXTERNAL
+    { "XVID-SSE2",   ff_xvid_idct_sse2,   FF_IDCT_PERM_SSE2,   AV_CPU_FLAG_SSE2,   1 },
+#endif
+#endif /* CONFIG_MPEG4_DECODER && HAVE_YASM */
+#if (CONFIG_PRORES_DECODER || CONFIG_PRORES_LGPL_DECODER) && ARCH_X86_64 && HAVE_YASM
+    { "PR-SSE2",     ff_prores_idct_put_10_sse2_wrap, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_SSE2, 1 },
+# if HAVE_AVX_EXTERNAL
+    { "PR-AVX",      ff_prores_idct_put_10_avx_wrap, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_AVX, 1 },
+# endif
+#endif
+#if HAVE_YASM
+#if ARCH_X86_64
+#if HAVE_SSE2_EXTERNAL
+    { "SIMPLE10-SSE2",  ff_simple_idct10_sse2, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_SSE2},
+    { "SIMPLE12-SSE2",  ff_simple_idct12_sse2, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_SSE2, 1 },
+#endif
+#if HAVE_AVX_EXTERNAL
+    { "SIMPLE10-AVX",   ff_simple_idct10_avx,  FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_AVX},
+    { "SIMPLE12-AVX",   ff_simple_idct12_avx,  FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_AVX,  1 },
+#endif
+#endif
+#endif
+    { 0 }
+};
+
+static const uint8_t idct_simple_mmx_perm[64] = {
+    0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D,
+    0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D,
+    0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D,
+    0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F,
+    0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F,
+    0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D,
+    0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F,
+    0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
+};
+
+static const uint8_t idct_sse2_row_perm[8] = { 0, 4, 1, 5, 2, 6, 3, 7 };
+
+static int permute_x86(int16_t dst[64], const int16_t src[64],
+                       enum idct_permutation_type perm_type)
+{
+    int i;
+
+    switch (perm_type) {
+    case FF_IDCT_PERM_SIMPLE:
+        for (i = 0; i < 64; i++)
+            dst[idct_simple_mmx_perm[i]] = src[i];
+        return 1;
+    case FF_IDCT_PERM_SSE2:
+        for (i = 0; i < 64; i++)
+            dst[(i & 0x38) | idct_sse2_row_perm[i & 7]] = src[i];
+        return 1;
+    }
+
+    return 0;
+}