Please use this version, change libavcodec to avcodec in the subject for
consistent.
On Sun, Sep 01, 2019 at 10:48:22PM +0800, lance.lmw...@gmail.com wrote:
> From: Limin Wang <lance.lmw...@gmail.com>
>
> Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
> ---
> libavcodec/v210_template.c | 48 +++++++++++++++++++++++++++++++++++++++++
> libavcodec/v210enc.c | 54
> +++++++++++++---------------------------------
> 2 files changed, 63 insertions(+), 39 deletions(-)
> create mode 100644 libavcodec/v210_template.c
>
> diff --git a/libavcodec/v210_template.c b/libavcodec/v210_template.c
> new file mode 100644
> index 0000000..00036ae
> --- /dev/null
> +++ b/libavcodec/v210_template.c
> @@ -0,0 +1,48 @@
> +/*
> + * Copyright (C) 2009 Michael Niedermayer <michae...@gmx.at>
> + * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail
> dot 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 "bytestream.h"
> +#include "internal.h"
> +
> +#define CLIP(v, depth) av_clip(v, 1<<(depth-8),
> ((1<<depth)-(1<<(depth-8))-1))
> +#define WRITE_PIXELS(a, b, c, depth) \
> + do { \
> + val = CLIP(*a++, depth) << (10-depth); \
> + val |= (CLIP(*b++, depth) << (20-depth)) | \
> + (CLIP(*c++, depth) << (30-depth)); \
> + AV_WL32(dst, val); \
> + dst += 4; \
> + } while (0)
> +
> +static void RENAME(v210_planar_pack)(const TYPE *y,
> + const TYPE *u, const TYPE *v,
> + uint8_t *dst, ptrdiff_t width)
> +{
> + uint32_t val;
> + int i;
> +
> + for (i = 0; i < width - 5; i += 6) {
> + WRITE_PIXELS(u, y, v, DEPTH);
> + WRITE_PIXELS(y, u, y, DEPTH);
> + WRITE_PIXELS(v, y, u, DEPTH);
> + WRITE_PIXELS(y, v, y, DEPTH);
> + }
> +}
> diff --git a/libavcodec/v210enc.c b/libavcodec/v210enc.c
> index 69a2efe..3e6abbe 100644
> --- a/libavcodec/v210enc.c
> +++ b/libavcodec/v210enc.c
> @@ -26,45 +26,21 @@
> #include "internal.h"
> #include "v210enc.h"
>
> -#define CLIP(v, depth) av_clip(v, 1 << (depth-8), ((1 << depth)-(1 <<
> (depth-8))-1))
> -#define WRITE_PIXELS(a, b, c, depth) \
> - do { \
> - val = CLIP(*a++, depth) << (10-depth); \
> - val |= (CLIP(*b++, depth) << (20-depth)) | \
> - (CLIP(*c++, depth) << (30-depth)); \
> - AV_WL32(dst, val); \
> - dst += 4; \
> - } while (0)
> -
> -static void v210_planar_pack_8_c(const uint8_t *y, const uint8_t *u,
> - const uint8_t *v, uint8_t *dst,
> - ptrdiff_t width)
> -{
> - uint32_t val;
> - int i;
> -
> - for (i = 0; i < width - 5; i += 6) {
> - WRITE_PIXELS(u, y, v, 8);
> - WRITE_PIXELS(y, u, y, 8);
> - WRITE_PIXELS(v, y, u, 8);
> - WRITE_PIXELS(y, v, y, 8);
> - }
> -}
> -
> -static void v210_planar_pack_10_c(const uint16_t *y, const uint16_t *u,
> - const uint16_t *v, uint8_t *dst,
> - ptrdiff_t width)
> -{
> - uint32_t val;
> - int i;
> -
> - for (i = 0; i < width - 5; i += 6) {
> - WRITE_PIXELS(u, y, v, 10);
> - WRITE_PIXELS(y, u, y, 10);
> - WRITE_PIXELS(v, y, u, 10);
> - WRITE_PIXELS(y, v, y, 10);
> - }
> -}
> +#define TYPE uint8_t
> +#define DEPTH 8
> +#define RENAME(a) a ## _ ## 8 ## _c
> +#include "v210_template.c"
> +#undef TYPE
> +#undef RENAME
> +#undef DEPTH
> +
> +#define TYPE uint16_t
> +#define DEPTH 10
> +#define RENAME(a) a ## _ ## 10 ## _c
> +#include "v210_template.c"
> +#undef TYPE
> +#undef RENAME
> +#undef DEPTH
>
> av_cold void ff_v210enc_init(V210EncContext *s)
> {
> --
> 2.6.4
>
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