[FFmpeg-devel] [PATCHv3 3/3] avcodec/cbrt_tablegen: avoid pow and speed up cbrt_tableinit

[Ganesh Ajjanagadde]

On Thu, Nov 26, 2015 at 10:39 AM, Ronald S. Bultje <rsbultje at gmail.com> wrote:
> Hi,
>
> On Thu, Nov 26, 2015 at 10:23 AM, Ganesh Ajjanagadde
> <gajjanagadde at gmail.com> wrote:
>>
>>  #if CONFIG_HARDCODED_TABLES
>> +#include "libavutil/tablegen.h"
>>  #if USE_FIXED
>>  #define cbrt_tableinit_fixed()
>>  #include "libavcodec/cbrt_fixed_tables.h"
>> @@ -43,19 +45,19 @@
>>  #include "libavcodec/cbrt_tables.h"
>>  #endif
>>  #else
>> +#include "libavutil/libm.h"
>>  static uint32_t cbrt_tab[1 << 13];
>
>
> In cbrt_tablegen_template.c:
>
> #include <stdlib.h>
> #define CONFIG_HARDCODED_TABLES 0
> #include "cbrt_tablegen.h"
> #include "tableprint.h"
>
> So same comment as for the other patch. (Rest looks good, I think.)

Also noted that lrint needs to go into the avutil/tablegen.h.

>
> Ronald