mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-10-30 07:38:52 +01:00
37 lines
996 B
C
37 lines
996 B
C
/*
|
|
* Coda multi-standard codec IP - H.264 helper functions
|
|
*
|
|
* Copyright (C) 2012 Vista Silicon S.L.
|
|
* Javier Martin, <javier.martin@vista-silicon.com>
|
|
* Xavier Duret
|
|
*
|
|
* This program 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.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/string.h>
|
|
|
|
static const u8 coda_filler_nal[14] = { 0x00, 0x00, 0x00, 0x01, 0x0c, 0xff,
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80 };
|
|
static const u8 coda_filler_size[8] = { 0, 7, 14, 13, 12, 11, 10, 9 };
|
|
|
|
int coda_h264_padding(int size, char *p)
|
|
{
|
|
int nal_size;
|
|
int diff;
|
|
|
|
diff = size - (size & ~0x7);
|
|
if (diff == 0)
|
|
return 0;
|
|
|
|
nal_size = coda_filler_size[diff];
|
|
memcpy(p, coda_filler_nal, nal_size);
|
|
|
|
/* Add rbsp stop bit and trailing at the end */
|
|
*(p + nal_size - 1) = 0x80;
|
|
|
|
return nal_size;
|
|
}
|