On Sun, Feb 04, 2018 at 05:51:13AM +0700, Muhammad Faiz wrote:
> Precalculate and constify ff_square_tab.
>
> Signed-off-by: Muhammad Faiz <mfc...@gmail.com>
> ---
> libavcodec/me_cmp.c | 51
> +++++++++++++++++++++++++++++++++-----------
> libavcodec/me_cmp.h | 4 +---
> libavcodec/mpegvideo_enc.c | 2 +-
> libavcodec/mpegvideoencdsp.c | 2 +-
> libavcodec/snowenc.c | 2 +-
> libavcodec/utils.c | 13 -----------
> 6 files changed, 43 insertions(+), 31 deletions(-)
>
> diff --git a/libavcodec/me_cmp.c b/libavcodec/me_cmp.c
> index 5e34a11593..67a5bb5c71 100644
> --- a/libavcodec/me_cmp.c
> +++ b/libavcodec/me_cmp.c
> @@ -22,6 +22,7 @@
>
> #include "libavutil/attributes.h"
> #include "libavutil/internal.h"
> +#include "libavutil/thread.h"
> #include "avcodec.h"
> #include "copy_block.h"
> #include "simple_idct.h"
> @@ -29,13 +30,47 @@
> #include "mpegvideo.h"
> #include "config.h"
>
> -uint32_t ff_square_tab[512] = { 0, };
> +/* (i - 256) * (i - 256) */
> +const uint32_t ff_square_tab[512] = {Is the first element used ? If not (and i suspect so) then uint16_t could be used [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Observe your enemies, for they first find out your faults. -- Antisthenes
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