--- /dev/null
+/*****************************************************************************
+ * bitstream-a.S: aarch64 bitstream functions
+ *****************************************************************************
+ * Copyright (C) 2014 x264 project
+ *
+ * Authors: Janne Grunau <janne-x264@jannau.net>
+ *
+ * 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.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
+ *
+ * This program is also available under a commercial proprietary license.
+ * For more information, contact us at licensing@x264.com.
+ *****************************************************************************/
+
+#include "asm.S"
+
+function x264_nal_escape_neon, export=1
+ movi v0.16b, #0xff
+ movi v4.16b, #4
+ mov w3, #3
+ subs x6, x1, x2
+ cbz x6, 99f
+0:
+ cmn x6, #15
+ b.lt 16f
+ mov x1, x2
+ b 100f
+16:
+ ld1 {v1.16b}, [x1], #16
+ ext v2.16b, v0.16b, v1.16b, #14
+ ext v3.16b, v0.16b, v1.16b, #15
+ cmhi v7.16b, v4.16b, v1.16b
+ cmeq v5.16b, v2.16b, #0
+ cmeq v6.16b, v3.16b, #0
+ and v5.16b, v5.16b, v7.16b
+ and v5.16b, v5.16b, v6.16b
+ shrn v7.8b, v5.8h, #4
+ mov x7, v7.d[0]
+ cbz x7, 16f
+ mov x6, #-16
+100:
+ umov w5, v0.b[14]
+ umov w4, v0.b[15]
+ orr w5, w4, w5, lsl #8
+101:
+ ldrb w4, [x1, x6]
+ orr w9, w4, w5, lsl #16
+ cmp w9, #3
+ b.hi 102f
+ strb w3, [x0], #1
+ orr w5, w3, w5, lsl #8
+102:
+ adds x6, x6, #1
+ strb w4, [x0], #1
+ orr w5, w4, w5, lsl #8
+ b.lt 101b
+ subs x6, x1, x2
+ lsr w9, w5, #8
+ mov v0.b[14], w9
+ mov v0.b[15], w5
+ b.lt 0b
+
+ ret
+16:
+ subs x6, x1, x2
+ st1 {v1.16b}, [x0], #16
+ mov v0.16b, v1.16b
+ b.lt 0b
+99:
+ ret
+endfunc
void x264_cabac_block_residual_internal_sse2_lzcnt ( dctcoef *l, int b_interlaced, intptr_t ctx_block_cat, x264_cabac_t *cb );
void x264_cabac_block_residual_internal_avx2_bmi2 ( dctcoef *l, int b_interlaced, intptr_t ctx_block_cat, x264_cabac_t *cb );
+uint8_t *x264_nal_escape_neon( uint8_t *dst, uint8_t *src, uint8_t *end );
+
/****************************************************************************
* x264_nal_encode:
****************************************************************************/
}
#endif
#endif
+#if ARCH_AARCH64
+ if( cpu&X264_CPU_NEON )
+ pf->nal_escape = x264_nal_escape_neon;
+#endif
}