[libav-devel] [PATCH 07/13] checkasm: add tests for dcadsp

Martin Storsjö martin at martin.st
Thu Dec 10 14:46:17 CET 2015


On Wed, 9 Dec 2015, Janne Grunau wrote:

> ---
> tests/checkasm/checkasm.h |   1 +
> tests/checkasm/checkasm.c |   3 +
> tests/checkasm/dcadsp.c   | 137 ++++++++++++++++++++++++++++++++++++++++++++++
> tests/checkasm/Makefile   |   1 +
> 4 files changed, 142 insertions(+)
> create mode 100644 tests/checkasm/dcadsp.c
>
> diff --git a/tests/checkasm/checkasm.h b/tests/checkasm/checkasm.h
> index 0606097..e06f5a4 100644
> --- a/tests/checkasm/checkasm.h
> +++ b/tests/checkasm/checkasm.h
> @@ -30,6 +30,7 @@
> #include "libavutil/timer.h"
>
> void checkasm_check_bswapdsp(void);
> +void checkasm_check_dcadsp(void);
> void checkasm_check_h264pred(void);
> void checkasm_check_h264qpel(void);
> void checkasm_check_hevc_mc(void);
> diff --git a/tests/checkasm/checkasm.c b/tests/checkasm/checkasm.c
> index becfe35..a563eaf 100644
> --- a/tests/checkasm/checkasm.c
> +++ b/tests/checkasm/checkasm.c
> @@ -61,6 +61,9 @@ static const struct {
> #if CONFIG_BSWAPDSP
>     { "bswapdsp", checkasm_check_bswapdsp },
> #endif
> +#if CONFIG_DCA_DECODER
> +    { "dcadsp", checkasm_check_dcadsp },
> +#endif
> #if CONFIG_H264PRED
>     { "h264pred", checkasm_check_h264pred },
> #endif
> diff --git a/tests/checkasm/dcadsp.c b/tests/checkasm/dcadsp.c
> new file mode 100644
> index 0000000..1665cbb
> --- /dev/null
> +++ b/tests/checkasm/dcadsp.c
> @@ -0,0 +1,137 @@
> +/*
> + * Copyright (c) 2015 Janne Grunau
> + *
> + * This file is part of Libav.
> + *
> + * Libav is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 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 General Public License for more details.
> + *
> + * You should have received a copy of the GNU 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 <math.h>
> +#include <string.h>
> +#include <stdlib.h>
> +
> +#include "libavutil/internal.h"
> +#include "libavutil/intfloat.h"
> +#include "libavcodec/dca.h"
> +#include "libavcodec/dcadsp.h"
> +#include "libavcodec/dcadata.h"
> +
> +#include "checkasm.h"
> +
> +#define randomize_lfe_fir(size)                                 \
> +    do {                                                        \
> +        int i;                                                  \
> +        for (i = 0; i < size; i++) {                            \
> +            float f = (float)rnd() / (UINT_MAX >> 1) - 1.0f;    \
> +            in[i] = f;                                          \
> +        }                                                       \
> +        for (i = 0; i < 256; i++) {                             \
> +            float f = (float)rnd() / (UINT_MAX >> 1) - 1.0f;    \
> +            coeffs[i] = f;                                      \
> +        }                                                       \
> +    } while (0)
> +
> +#define check_lfe_fir(decifactor, eps)                                  \
> +    do {                                                                \
> +        LOCAL_ALIGNED_16(float, in,     [256 / decifactor]);            \
> +        LOCAL_ALIGNED_16(float, out0,   [decifactor * 2]);              \
> +        LOCAL_ALIGNED_16(float, out1,   [decifactor * 2]);              \
> +        LOCAL_ALIGNED_16(float, coeffs, [256]);                         \
> +        int i;                                                          \
> +        const float * in_ptr = in + (256 / decifactor) - 1;             \
> +        declare_func(void, float *out, const float *in, const float *coeffs); \
> +        /* repeat the test several times */                             \
> +        for (i = 0; i < 32; i++) {                                      \
> +            int j;                                                      \
> +            memset(out0,    0, sizeof(*out0) * 2 * decifactor);         \
> +            memset(out1, 0xFF, sizeof(*out1) * 2 * decifactor);         \
> +            randomize_lfe_fir(256 / decifactor);                        \
> +            call_ref(out0, in_ptr, coeffs);                             \
> +            call_new(out1, in_ptr, coeffs);                             \
> +            for (j = 0; j < 2 * decifactor; j++) {                      \
> +                if (!float_near_abs_eps(out0[j], out1[j], eps)) {       \
> +                    if (0) {                                            \
> +                        union av_intfloat32 x, y; x.f = out0[j]; y.f = out1[j]; \
> +                        fprintf(stderr, "%3d: %11g (0x%08x); %11g (0x%08x)\n", \
> +                                j, x.f, x.i, y.f, y.i);                 \
> +                    }                                                   \

Is this a leftover, or is it intentionally kept in if (0)?

The rest seems fine.

// Martin


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