summaryrefslogtreecommitdiff
path: root/libavcodec/armv4l/h264dsp_neon.S
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/armv4l/h264dsp_neon.S')
-rw-r--r--libavcodec/armv4l/h264dsp_neon.S298
1 files changed, 298 insertions, 0 deletions
diff --git a/libavcodec/armv4l/h264dsp_neon.S b/libavcodec/armv4l/h264dsp_neon.S
new file mode 100644
index 0000000000..ca32770590
--- /dev/null
+++ b/libavcodec/armv4l/h264dsp_neon.S
@@ -0,0 +1,298 @@
+/*
+ * Copyright (c) 2008 Mans Rullgard <mans@mansr.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 "asm.S"
+
+ .fpu neon
+
+/* chroma_mc8(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */
+ .macro h264_chroma_mc8 avg=0
+ push {r4-r7, lr}
+ ldrd r4, [sp, #20]
+.if \avg
+ mov lr, r0
+.endif
+ pld [r1]
+ pld [r1, r2]
+
+ muls r7, r4, r5
+ rsb r6, r7, r5, lsl #3
+ rsb ip, r7, r4, lsl #3
+ sub r4, r7, r4, lsl #3
+ sub r4, r4, r5, lsl #3
+ add r4, r4, #64
+
+ beq 2f
+
+ add r5, r1, r2
+
+ vdup.8 d0, r4
+ lsl r4, r2, #1
+ vdup.8 d1, ip
+ vld1.64 {d4, d5}, [r1], r4
+ vdup.8 d2, r6
+ vld1.64 {d6, d7}, [r5], r4
+ vdup.8 d3, r7
+
+ vext.8 d5, d4, d5, #1
+ vext.8 d7, d6, d7, #1
+
+1: pld [r5]
+ vmull.u8 q8, d4, d0
+ vmlal.u8 q8, d5, d1
+ vld1.64 {d4, d5}, [r1], r4
+ vmlal.u8 q8, d6, d2
+ vext.8 d5, d4, d5, #1
+ vmlal.u8 q8, d7, d3
+ vmull.u8 q9, d6, d0
+ subs r3, r3, #2
+ vmlal.u8 q9, d7, d1
+ vmlal.u8 q9, d4, d2
+ vmlal.u8 q9, d5, d3
+ vrshrn.u16 d16, q8, #6
+ vld1.64 {d6, d7}, [r5], r4
+ pld [r1]
+ vrshrn.u16 d17, q9, #6
+.if \avg
+ vld1.64 {d20}, [lr,:64], r2
+ vld1.64 {d21}, [lr,:64], r2
+ vrhadd.u8 q8, q8, q10
+.endif
+ vext.8 d7, d6, d7, #1
+ vst1.64 {d16}, [r0,:64], r2
+ vst1.64 {d17}, [r0,:64], r2
+ bgt 1b
+
+ pop {r4-r7, pc}
+
+2: tst r6, r6
+ add ip, ip, r6
+ vdup.8 d0, r4
+ vdup.8 d1, ip
+
+ beq 4f
+
+ add r5, r1, r2
+ lsl r4, r2, #1
+ vld1.64 {d4}, [r1], r4
+ vld1.64 {d6}, [r5], r4
+
+3: pld [r5]
+ vmull.u8 q8, d4, d0
+ vmlal.u8 q8, d6, d1
+ vld1.64 {d4}, [r1], r4
+ vmull.u8 q9, d6, d0
+ vmlal.u8 q9, d4, d1
+ vld1.64 {d6}, [r5], r4
+ vrshrn.u16 d16, q8, #6
+ vrshrn.u16 d17, q9, #6
+.if \avg
+ vld1.64 {d20}, [lr,:64], r2
+ vld1.64 {d21}, [lr,:64], r2
+ vrhadd.u8 q8, q8, q10
+.endif
+ subs r3, r3, #2
+ pld [r1]
+ vst1.64 {d16}, [r0,:64], r2
+ vst1.64 {d17}, [r0,:64], r2
+ bgt 3b
+
+ pop {r4-r7, pc}
+
+4: vld1.64 {d4, d5}, [r1], r2
+ vld1.64 {d6, d7}, [r1], r2
+ vext.8 d5, d4, d5, #1
+ vext.8 d7, d6, d7, #1
+
+5: pld [r1]
+ subs r3, r3, #2
+ vmull.u8 q8, d4, d0
+ vmlal.u8 q8, d5, d1
+ vld1.64 {d4, d5}, [r1], r2
+ vmull.u8 q9, d6, d0
+ vmlal.u8 q9, d7, d1
+ pld [r1]
+ vext.8 d5, d4, d5, #1
+ vrshrn.u16 d16, q8, #6
+ vrshrn.u16 d17, q9, #6
+.if \avg
+ vld1.64 {d20}, [lr,:64], r2
+ vld1.64 {d21}, [lr,:64], r2
+ vrhadd.u8 q8, q8, q10
+.endif
+ vld1.64 {d6, d7}, [r1], r2
+ vext.8 d7, d6, d7, #1
+ vst1.64 {d16}, [r0,:64], r2
+ vst1.64 {d17}, [r0,:64], r2
+ bgt 5b
+
+ pop {r4-r7, pc}
+ .endm
+
+/* chroma_mc4(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */
+ .macro h264_chroma_mc4 avg=0
+ push {r4-r7, lr}
+ ldrd r4, [sp, #20]
+.if \avg
+ mov lr, r0
+.endif
+ pld [r1]
+ pld [r1, r2]
+
+ muls r7, r4, r5
+ rsb r6, r7, r5, lsl #3
+ rsb ip, r7, r4, lsl #3
+ sub r4, r7, r4, lsl #3
+ sub r4, r4, r5, lsl #3
+ add r4, r4, #64
+
+ beq 2f
+
+ add r5, r1, r2
+
+ vdup.8 d0, r4
+ lsl r4, r2, #1
+ vdup.8 d1, ip
+ vld1.64 {d4}, [r1], r4
+ vdup.8 d2, r6
+ vld1.64 {d6}, [r5], r4
+ vdup.8 d3, r7
+
+ vext.8 d5, d4, d5, #1
+ vext.8 d7, d6, d7, #1
+ vtrn.32 d4, d5
+ vtrn.32 d6, d7
+
+ vtrn.32 d0, d1
+ vtrn.32 d2, d3
+
+1: pld [r5]
+ vmull.u8 q8, d4, d0
+ vmlal.u8 q8, d6, d2
+ vld1.64 {d4}, [r1], r4
+ vext.8 d5, d4, d5, #1
+ vtrn.32 d4, d5
+ vmull.u8 q9, d6, d0
+ vmlal.u8 q9, d4, d2
+ vld1.64 {d6}, [r5], r4
+ vadd.i16 d16, d16, d17
+ vadd.i16 d17, d18, d19
+ vrshrn.u16 d16, q8, #6
+ subs r3, r3, #2
+ pld [r1]
+.if \avg
+ vld1.32 {d20[0]}, [lr,:32], r2
+ vld1.32 {d20[1]}, [lr,:32], r2
+ vrhadd.u8 d16, d16, d20
+.endif
+ vext.8 d7, d6, d7, #1
+ vtrn.32 d6, d7
+ vst1.32 {d16[0]}, [r0,:32], r2
+ vst1.32 {d16[1]}, [r0,:32], r2
+ bgt 1b
+
+ pop {r4-r7, pc}
+
+2: tst r6, r6
+ add ip, ip, r6
+ vdup.8 d0, r4
+ vdup.8 d1, ip
+ vtrn.32 d0, d1
+
+ beq 4f
+
+ vext.32 d1, d0, d1, #1
+ add r5, r1, r2
+ lsl r4, r2, #1
+ vld1.32 {d4[0]}, [r1], r4
+ vld1.32 {d4[1]}, [r5], r4
+
+3: pld [r5]
+ vmull.u8 q8, d4, d0
+ vld1.32 {d4[0]}, [r1], r4
+ vmull.u8 q9, d4, d1
+ vld1.32 {d4[1]}, [r5], r4
+ vadd.i16 d16, d16, d17
+ vadd.i16 d17, d18, d19
+ vrshrn.u16 d16, q8, #6
+.if \avg
+ vld1.32 {d20[0]}, [lr,:32], r2
+ vld1.32 {d20[1]}, [lr,:32], r2
+ vrhadd.u8 d16, d16, d20
+.endif
+ subs r3, r3, #2
+ pld [r1]
+ vst1.32 {d16[0]}, [r0,:32], r2
+ vst1.32 {d16[1]}, [r0,:32], r2
+ bgt 3b
+
+ pop {r4-r7, pc}
+
+4: vld1.64 {d4}, [r1], r2
+ vld1.64 {d6}, [r1], r2
+ vext.8 d5, d4, d5, #1
+ vext.8 d7, d6, d7, #1
+ vtrn.32 d4, d5
+ vtrn.32 d6, d7
+
+5: vmull.u8 q8, d4, d0
+ vmull.u8 q9, d6, d0
+ subs r3, r3, #2
+ vld1.64 {d4}, [r1], r2
+ vext.8 d5, d4, d5, #1
+ vtrn.32 d4, d5
+ vadd.i16 d16, d16, d17
+ vadd.i16 d17, d18, d19
+ pld [r1]
+ vrshrn.u16 d16, q8, #6
+.if \avg
+ vld1.32 {d20[0]}, [lr,:32], r2
+ vld1.32 {d20[1]}, [lr,:32], r2
+ vrhadd.u8 d16, d16, d20
+.endif
+ vld1.64 {d6}, [r1], r2
+ vext.8 d7, d6, d7, #1
+ vtrn.32 d6, d7
+ pld [r1]
+ vst1.32 {d16[0]}, [r0,:32], r2
+ vst1.32 {d16[1]}, [r0,:32], r2
+ bgt 5b
+
+ pop {r4-r7, pc}
+ .endm
+
+ .text
+ .align
+
+function ff_put_h264_chroma_mc8_neon, export=1
+ h264_chroma_mc8
+ .endfunc
+
+function ff_avg_h264_chroma_mc8_neon, export=1
+ h264_chroma_mc8 avg=1
+ .endfunc
+
+function ff_put_h264_chroma_mc4_neon, export=1
+ h264_chroma_mc4
+ .endfunc
+
+function ff_avg_h264_chroma_mc4_neon, export=1
+ h264_chroma_mc4 avg=1
+ .endfunc
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-14 08:24:22 +0000