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-rw-r--r--media/ffvpx/libavcodec/aarch64/h264cmc_neon.S452
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diff --git a/media/ffvpx/libavcodec/aarch64/h264cmc_neon.S b/media/ffvpx/libavcodec/aarch64/h264cmc_neon.S
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+/*
+ * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
+ * Copyright (c) 2013 Janne Grunau <janne-libav@jannau.net>
+ *
+ * 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 "config_components.h"
+
+#include "libavutil/aarch64/asm.S"
+
+/* chroma_mc8(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h, int x, int y) */
+.macro h264_chroma_mc8 type, codec=h264
+function ff_\type\()_\codec\()_chroma_mc8_neon, export=1
+ .ifc \type,avg
+ mov x8, x0
+ .endif
+ prfm pldl1strm, [x1]
+ prfm pldl1strm, [x1, x2]
+ .ifc \codec,rv40
+ movrel x6, rv40bias
+ lsr w9, w5, #1
+ lsr w10, w4, #1
+ lsl w9, w9, #3
+ lsl w10, w10, #1
+ add w9, w9, w10
+ add x6, x6, w9, UXTW
+ ld1r {v22.8H}, [x6]
+ .endif
+ .ifc \codec,vc1
+ movi v22.8H, #28
+ .endif
+ mul w7, w4, w5
+ lsl w14, w5, #3
+ lsl w13, w4, #3
+ cmp w7, #0
+ sub w6, w14, w7
+ sub w12, w13, w7
+ sub w4, w7, w13
+ sub w4, w4, w14
+ add w4, w4, #64
+ b.eq 2f
+
+ dup v0.8B, w4
+ dup v1.8B, w12
+ ld1 {v4.8B, v5.8B}, [x1], x2
+ dup v2.8B, w6
+ dup v3.8B, w7
+ ext v5.8B, v4.8B, v5.8B, #1
+1: ld1 {v6.8B, v7.8B}, [x1], x2
+ umull v16.8H, v4.8B, v0.8B
+ umlal v16.8H, v5.8B, v1.8B
+ ext v7.8B, v6.8B, v7.8B, #1
+ ld1 {v4.8B, v5.8B}, [x1], x2
+ umlal v16.8H, v6.8B, v2.8B
+ prfm pldl1strm, [x1]
+ ext v5.8B, v4.8B, v5.8B, #1
+ umlal v16.8H, v7.8B, v3.8B
+ umull v17.8H, v6.8B, v0.8B
+ subs w3, w3, #2
+ umlal v17.8H, v7.8B, v1.8B
+ umlal v17.8H, v4.8B, v2.8B
+ umlal v17.8H, v5.8B, v3.8B
+ prfm pldl1strm, [x1, x2]
+ .ifc \codec,h264
+ rshrn v16.8B, v16.8H, #6
+ rshrn v17.8B, v17.8H, #6
+ .else
+ add v16.8H, v16.8H, v22.8H
+ add v17.8H, v17.8H, v22.8H
+ shrn v16.8B, v16.8H, #6
+ shrn v17.8B, v17.8H, #6
+ .endif
+ .ifc \type,avg
+ ld1 {v20.8B}, [x8], x2
+ ld1 {v21.8B}, [x8], x2
+ urhadd v16.8B, v16.8B, v20.8B
+ urhadd v17.8B, v17.8B, v21.8B
+ .endif
+ st1 {v16.8B}, [x0], x2
+ st1 {v17.8B}, [x0], x2
+ b.gt 1b
+ ret
+
+2: adds w12, w12, w6
+ dup v0.8B, w4
+ b.eq 5f
+ tst w6, w6
+ dup v1.8B, w12
+ b.eq 4f
+
+ ld1 {v4.8B}, [x1], x2
+3: ld1 {v6.8B}, [x1], x2
+ umull v16.8H, v4.8B, v0.8B
+ umlal v16.8H, v6.8B, v1.8B
+ ld1 {v4.8B}, [x1], x2
+ umull v17.8H, v6.8B, v0.8B
+ umlal v17.8H, v4.8B, v1.8B
+ prfm pldl1strm, [x1]
+ .ifc \codec,h264
+ rshrn v16.8B, v16.8H, #6
+ rshrn v17.8B, v17.8H, #6
+ .else
+ add v16.8H, v16.8H, v22.8H
+ add v17.8H, v17.8H, v22.8H
+ shrn v16.8B, v16.8H, #6
+ shrn v17.8B, v17.8H, #6
+ .endif
+ prfm pldl1strm, [x1, x2]
+ .ifc \type,avg
+ ld1 {v20.8B}, [x8], x2
+ ld1 {v21.8B}, [x8], x2
+ urhadd v16.8B, v16.8B, v20.8B
+ urhadd v17.8B, v17.8B, v21.8B
+ .endif
+ subs w3, w3, #2
+ st1 {v16.8B}, [x0], x2
+ st1 {v17.8B}, [x0], x2
+ b.gt 3b
+ ret
+
+4: ld1 {v4.8B, v5.8B}, [x1], x2
+ ld1 {v6.8B, v7.8B}, [x1], x2
+ ext v5.8B, v4.8B, v5.8B, #1
+ ext v7.8B, v6.8B, v7.8B, #1
+ prfm pldl1strm, [x1]
+ subs w3, w3, #2
+ umull v16.8H, v4.8B, v0.8B
+ umlal v16.8H, v5.8B, v1.8B
+ umull v17.8H, v6.8B, v0.8B
+ umlal v17.8H, v7.8B, v1.8B
+ prfm pldl1strm, [x1, x2]
+ .ifc \codec,h264
+ rshrn v16.8B, v16.8H, #6
+ rshrn v17.8B, v17.8H, #6
+ .else
+ add v16.8H, v16.8H, v22.8H
+ add v17.8H, v17.8H, v22.8H
+ shrn v16.8B, v16.8H, #6
+ shrn v17.8B, v17.8H, #6
+ .endif
+ .ifc \type,avg
+ ld1 {v20.8B}, [x8], x2
+ ld1 {v21.8B}, [x8], x2
+ urhadd v16.8B, v16.8B, v20.8B
+ urhadd v17.8B, v17.8B, v21.8B
+ .endif
+ st1 {v16.8B}, [x0], x2
+ st1 {v17.8B}, [x0], x2
+ b.gt 4b
+ ret
+
+5: ld1 {v4.8B}, [x1], x2
+ ld1 {v5.8B}, [x1], x2
+ prfm pldl1strm, [x1]
+ subs w3, w3, #2
+ umull v16.8H, v4.8B, v0.8B
+ umull v17.8H, v5.8B, v0.8B
+ prfm pldl1strm, [x1, x2]
+ .ifc \codec,h264
+ rshrn v16.8B, v16.8H, #6
+ rshrn v17.8B, v17.8H, #6
+ .else
+ add v16.8H, v16.8H, v22.8H
+ add v17.8H, v17.8H, v22.8H
+ shrn v16.8B, v16.8H, #6
+ shrn v17.8B, v17.8H, #6
+ .endif
+ .ifc \type,avg
+ ld1 {v20.8B}, [x8], x2
+ ld1 {v21.8B}, [x8], x2
+ urhadd v16.8B, v16.8B, v20.8B
+ urhadd v17.8B, v17.8B, v21.8B
+ .endif
+ st1 {v16.8B}, [x0], x2
+ st1 {v17.8B}, [x0], x2
+ b.gt 5b
+ ret
+endfunc
+.endm
+
+/* chroma_mc4(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h, int x, int y) */
+.macro h264_chroma_mc4 type, codec=h264
+function ff_\type\()_\codec\()_chroma_mc4_neon, export=1
+ .ifc \type,avg
+ mov x8, x0
+ .endif
+ prfm pldl1strm, [x1]
+ prfm pldl1strm, [x1, x2]
+ .ifc \codec,rv40
+ movrel x6, rv40bias
+ lsr w9, w5, #1
+ lsr w10, w4, #1
+ lsl w9, w9, #3
+ lsl w10, w10, #1
+ add w9, w9, w10
+ add x6, x6, w9, UXTW
+ ld1r {v22.8H}, [x6]
+ .endif
+ .ifc \codec,vc1
+ movi v22.8H, #28
+ .endif
+ mul w7, w4, w5
+ lsl w14, w5, #3
+ lsl w13, w4, #3
+ cmp w7, #0
+ sub w6, w14, w7
+ sub w12, w13, w7
+ sub w4, w7, w13
+ sub w4, w4, w14
+ add w4, w4, #64
+ b.eq 2f
+
+ dup v24.8B, w4
+ dup v25.8B, w12
+ ld1 {v4.8B}, [x1], x2
+ dup v26.8B, w6
+ dup v27.8B, w7
+ ext v5.8B, v4.8B, v5.8B, #1
+ trn1 v0.2S, v24.2S, v25.2S
+ trn1 v2.2S, v26.2S, v27.2S
+ trn1 v4.2S, v4.2S, v5.2S
+1: ld1 {v6.8B}, [x1], x2
+ ext v7.8B, v6.8B, v7.8B, #1
+ trn1 v6.2S, v6.2S, v7.2S
+ umull v18.8H, v4.8B, v0.8B
+ umlal v18.8H, v6.8B, v2.8B
+ ld1 {v4.8B}, [x1], x2
+ ext v5.8B, v4.8B, v5.8B, #1
+ trn1 v4.2S, v4.2S, v5.2S
+ prfm pldl1strm, [x1]
+ umull v19.8H, v6.8B, v0.8B
+ umlal v19.8H, v4.8B, v2.8B
+ trn1 v30.2D, v18.2D, v19.2D
+ trn2 v31.2D, v18.2D, v19.2D
+ add v18.8H, v30.8H, v31.8H
+ .ifc \codec,h264
+ rshrn v16.8B, v18.8H, #6
+ .else
+ add v18.8H, v18.8H, v22.8H
+ shrn v16.8B, v18.8H, #6
+ .endif
+ subs w3, w3, #2
+ prfm pldl1strm, [x1, x2]
+ .ifc \type,avg
+ ld1 {v20.S}[0], [x8], x2
+ ld1 {v20.S}[1], [x8], x2
+ urhadd v16.8B, v16.8B, v20.8B
+ .endif
+ st1 {v16.S}[0], [x0], x2
+ st1 {v16.S}[1], [x0], x2
+ b.gt 1b
+ ret
+
+2: adds w12, w12, w6
+ dup v30.8B, w4
+ b.eq 5f
+ tst w6, w6
+ dup v31.8B, w12
+ trn1 v0.2S, v30.2S, v31.2S
+ trn2 v1.2S, v30.2S, v31.2S
+ b.eq 4f
+
+ ext v1.8B, v0.8B, v1.8B, #4
+ ld1 {v4.S}[0], [x1], x2
+3: ld1 {v4.S}[1], [x1], x2
+ umull v18.8H, v4.8B, v0.8B
+ ld1 {v4.S}[0], [x1], x2
+ umull v19.8H, v4.8B, v1.8B
+ trn1 v30.2D, v18.2D, v19.2D
+ trn2 v31.2D, v18.2D, v19.2D
+ add v18.8H, v30.8H, v31.8H
+ prfm pldl1strm, [x1]
+ .ifc \codec,h264
+ rshrn v16.8B, v18.8H, #6
+ .else
+ add v18.8H, v18.8H, v22.8H
+ shrn v16.8B, v18.8H, #6
+ .endif
+ .ifc \type,avg
+ ld1 {v20.S}[0], [x8], x2
+ ld1 {v20.S}[1], [x8], x2
+ urhadd v16.8B, v16.8B, v20.8B
+ .endif
+ subs w3, w3, #2
+ prfm pldl1strm, [x1, x2]
+ st1 {v16.S}[0], [x0], x2
+ st1 {v16.S}[1], [x0], x2
+ b.gt 3b
+ ret
+
+4: ld1 {v4.8B}, [x1], x2
+ ld1 {v6.8B}, [x1], x2
+ ext v5.8B, v4.8B, v5.8B, #1
+ ext v7.8B, v6.8B, v7.8B, #1
+ trn1 v4.2S, v4.2S, v5.2S
+ trn1 v6.2S, v6.2S, v7.2S
+ umull v18.8H, v4.8B, v0.8B
+ umull v19.8H, v6.8B, v0.8B
+ subs w3, w3, #2
+ trn1 v30.2D, v18.2D, v19.2D
+ trn2 v31.2D, v18.2D, v19.2D
+ add v18.8H, v30.8H, v31.8H
+ prfm pldl1strm, [x1]
+ .ifc \codec,h264
+ rshrn v16.8B, v18.8H, #6
+ .else
+ add v18.8H, v18.8H, v22.8H
+ shrn v16.8B, v18.8H, #6
+ .endif
+ .ifc \type,avg
+ ld1 {v20.S}[0], [x8], x2
+ ld1 {v20.S}[1], [x8], x2
+ urhadd v16.8B, v16.8B, v20.8B
+ .endif
+ prfm pldl1strm, [x1]
+ st1 {v16.S}[0], [x0], x2
+ st1 {v16.S}[1], [x0], x2
+ b.gt 4b
+ ret
+
+5: ld1 {v4.S}[0], [x1], x2
+ ld1 {v4.S}[1], [x1], x2
+ umull v18.8H, v4.8B, v30.8B
+ subs w3, w3, #2
+ prfm pldl1strm, [x1]
+ .ifc \codec,h264
+ rshrn v16.8B, v18.8H, #6
+ .else
+ add v18.8H, v18.8H, v22.8H
+ shrn v16.8B, v18.8H, #6
+ .endif
+ .ifc \type,avg
+ ld1 {v20.S}[0], [x8], x2
+ ld1 {v20.S}[1], [x8], x2
+ urhadd v16.8B, v16.8B, v20.8B
+ .endif
+ prfm pldl1strm, [x1]
+ st1 {v16.S}[0], [x0], x2
+ st1 {v16.S}[1], [x0], x2
+ b.gt 5b
+ ret
+endfunc
+.endm
+
+.macro h264_chroma_mc2 type
+function ff_\type\()_h264_chroma_mc2_neon, export=1
+ prfm pldl1strm, [x1]
+ prfm pldl1strm, [x1, x2]
+ orr w7, w4, w5
+ cbz w7, 2f
+
+ mul w7, w4, w5
+ lsl w14, w5, #3
+ lsl w13, w4, #3
+ sub w6, w14, w7
+ sub w12, w13, w7
+ sub w4, w7, w13
+ sub w4, w4, w14
+ add w4, w4, #64
+ dup v0.8B, w4
+ dup v2.8B, w12
+ dup v1.8B, w6
+ dup v3.8B, w7
+ trn1 v0.4H, v0.4H, v2.4H
+ trn1 v1.4H, v1.4H, v3.4H
+1:
+ ld1 {v4.S}[0], [x1], x2
+ ld1 {v4.S}[1], [x1], x2
+ rev64 v5.2S, v4.2S
+ ld1 {v5.S}[1], [x1]
+ ext v6.8B, v4.8B, v5.8B, #1
+ ext v7.8B, v5.8B, v4.8B, #1
+ trn1 v4.4H, v4.4H, v6.4H
+ trn1 v5.4H, v5.4H, v7.4H
+ umull v16.8H, v4.8B, v0.8B
+ umlal v16.8H, v5.8B, v1.8B
+ .ifc \type,avg
+ ld1 {v18.H}[0], [x0], x2
+ ld1 {v18.H}[2], [x0]
+ sub x0, x0, x2
+ .endif
+ rev64 v17.4S, v16.4S
+ add v16.8H, v16.8H, v17.8H
+ rshrn v16.8B, v16.8H, #6
+ .ifc \type,avg
+ urhadd v16.8B, v16.8B, v18.8B
+ .endif
+ st1 {v16.H}[0], [x0], x2
+ st1 {v16.H}[2], [x0], x2
+ subs w3, w3, #2
+ b.gt 1b
+ ret
+
+2:
+ ld1 {v16.H}[0], [x1], x2
+ ld1 {v16.H}[1], [x1], x2
+ .ifc \type,avg
+ ld1 {v18.H}[0], [x0], x2
+ ld1 {v18.H}[1], [x0]
+ sub x0, x0, x2
+ urhadd v16.8B, v16.8B, v18.8B
+ .endif
+ st1 {v16.H}[0], [x0], x2
+ st1 {v16.H}[1], [x0], x2
+ subs w3, w3, #2
+ b.gt 2b
+ ret
+endfunc
+.endm
+
+ h264_chroma_mc8 put
+ h264_chroma_mc8 avg
+ h264_chroma_mc4 put
+ h264_chroma_mc4 avg
+ h264_chroma_mc2 put
+ h264_chroma_mc2 avg
+
+#if CONFIG_RV40_DECODER
+const rv40bias
+ .short 0, 16, 32, 16
+ .short 32, 28, 32, 28
+ .short 0, 32, 16, 32
+ .short 32, 28, 32, 28
+endconst
+
+ h264_chroma_mc8 put, rv40
+ h264_chroma_mc8 avg, rv40
+ h264_chroma_mc4 put, rv40
+ h264_chroma_mc4 avg, rv40
+#endif
+
+#if CONFIG_VC1DSP
+ h264_chroma_mc8 put, vc1
+ h264_chroma_mc8 avg, vc1
+ h264_chroma_mc4 put, vc1
+ h264_chroma_mc4 avg, vc1
+#endif
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