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-rw-r--r--media/ffvpx/libavcodec/arm/idctdsp_neon.S128
1 files changed, 128 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/arm/idctdsp_neon.S b/media/ffvpx/libavcodec/arm/idctdsp_neon.S
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index 0000000000..1911a33468
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+++ b/media/ffvpx/libavcodec/arm/idctdsp_neon.S
@@ -0,0 +1,128 @@
+/*
+ * ARM-NEON-optimized IDCT functions
+ * 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 "libavutil/arm/asm.S"
+
+function ff_put_pixels_clamped_neon, export=1
+ vld1.16 {d16-d19}, [r0,:128]!
+ vqmovun.s16 d0, q8
+ vld1.16 {d20-d23}, [r0,:128]!
+ vqmovun.s16 d1, q9
+ vld1.16 {d24-d27}, [r0,:128]!
+ vqmovun.s16 d2, q10
+ vld1.16 {d28-d31}, [r0,:128]!
+ vqmovun.s16 d3, q11
+ vst1.8 {d0}, [r1,:64], r2
+ vqmovun.s16 d4, q12
+ vst1.8 {d1}, [r1,:64], r2
+ vqmovun.s16 d5, q13
+ vst1.8 {d2}, [r1,:64], r2
+ vqmovun.s16 d6, q14
+ vst1.8 {d3}, [r1,:64], r2
+ vqmovun.s16 d7, q15
+ vst1.8 {d4}, [r1,:64], r2
+ vst1.8 {d5}, [r1,:64], r2
+ vst1.8 {d6}, [r1,:64], r2
+ vst1.8 {d7}, [r1,:64], r2
+ bx lr
+endfunc
+
+function ff_put_signed_pixels_clamped_neon, export=1
+ vmov.u8 d31, #128
+ vld1.16 {d16-d17}, [r0,:128]!
+ vqmovn.s16 d0, q8
+ vld1.16 {d18-d19}, [r0,:128]!
+ vqmovn.s16 d1, q9
+ vld1.16 {d16-d17}, [r0,:128]!
+ vqmovn.s16 d2, q8
+ vld1.16 {d18-d19}, [r0,:128]!
+ vadd.u8 d0, d0, d31
+ vld1.16 {d20-d21}, [r0,:128]!
+ vadd.u8 d1, d1, d31
+ vld1.16 {d22-d23}, [r0,:128]!
+ vadd.u8 d2, d2, d31
+ vst1.8 {d0}, [r1,:64], r2
+ vqmovn.s16 d3, q9
+ vst1.8 {d1}, [r1,:64], r2
+ vqmovn.s16 d4, q10
+ vst1.8 {d2}, [r1,:64], r2
+ vqmovn.s16 d5, q11
+ vld1.16 {d24-d25}, [r0,:128]!
+ vadd.u8 d3, d3, d31
+ vld1.16 {d26-d27}, [r0,:128]!
+ vadd.u8 d4, d4, d31
+ vadd.u8 d5, d5, d31
+ vst1.8 {d3}, [r1,:64], r2
+ vqmovn.s16 d6, q12
+ vst1.8 {d4}, [r1,:64], r2
+ vqmovn.s16 d7, q13
+ vst1.8 {d5}, [r1,:64], r2
+ vadd.u8 d6, d6, d31
+ vadd.u8 d7, d7, d31
+ vst1.8 {d6}, [r1,:64], r2
+ vst1.8 {d7}, [r1,:64], r2
+ bx lr
+endfunc
+
+function ff_add_pixels_clamped_neon, export=1
+ mov r3, r1
+ vld1.8 {d16}, [r1,:64], r2
+ vld1.16 {d0-d1}, [r0,:128]!
+ vaddw.u8 q0, q0, d16
+ vld1.8 {d17}, [r1,:64], r2
+ vld1.16 {d2-d3}, [r0,:128]!
+ vqmovun.s16 d0, q0
+ vld1.8 {d18}, [r1,:64], r2
+ vaddw.u8 q1, q1, d17
+ vld1.16 {d4-d5}, [r0,:128]!
+ vaddw.u8 q2, q2, d18
+ vst1.8 {d0}, [r3,:64], r2
+ vqmovun.s16 d2, q1
+ vld1.8 {d19}, [r1,:64], r2
+ vld1.16 {d6-d7}, [r0,:128]!
+ vaddw.u8 q3, q3, d19
+ vqmovun.s16 d4, q2
+ vst1.8 {d2}, [r3,:64], r2
+ vld1.8 {d16}, [r1,:64], r2
+ vqmovun.s16 d6, q3
+ vld1.16 {d0-d1}, [r0,:128]!
+ vaddw.u8 q0, q0, d16
+ vst1.8 {d4}, [r3,:64], r2
+ vld1.8 {d17}, [r1,:64], r2
+ vld1.16 {d2-d3}, [r0,:128]!
+ vaddw.u8 q1, q1, d17
+ vst1.8 {d6}, [r3,:64], r2
+ vqmovun.s16 d0, q0
+ vld1.8 {d18}, [r1,:64], r2
+ vld1.16 {d4-d5}, [r0,:128]!
+ vaddw.u8 q2, q2, d18
+ vst1.8 {d0}, [r3,:64], r2
+ vqmovun.s16 d2, q1
+ vld1.8 {d19}, [r1,:64], r2
+ vqmovun.s16 d4, q2
+ vld1.16 {d6-d7}, [r0,:128]!
+ vaddw.u8 q3, q3, d19
+ vst1.8 {d2}, [r3,:64], r2
+ vqmovun.s16 d6, q3
+ vst1.8 {d4}, [r3,:64], r2
+ vst1.8 {d6}, [r3,:64], r2
+ bx lr
+endfunc