lavc/blockdsp: R-V V clear_block

C908: blockdsp.clear_block_c: 47.2 blockdsp.clear_block_rvv_i64: 28.5

sunyuechi committed 2 years ago

Commit 0748d2b1 parent 7bf1b9b5 files · +73 −0Browse files

Unified · Split

5 files

@@ -69,6 +69,8 @@ av_cold void ff_blockdsp_init(BlockDSPContext *c) · 68 unmodified lines
69	69	ff_blockdsp_init_arm(c);
70	70	#elif ARCH_PPC
71	71	ff_blockdsp_init_ppc(c);
	72	+#elif ARCH_RISCV
	73	+ ff_blockdsp_init_riscv(c);
72	74	#elif ARCH_X86
73	75	ff_blockdsp_init_x86(c);
74	76	#elif ARCH_MIPS

@@ -41,6 +41,7 @@ void ff_blockdsp_init(BlockDSPContext *c); · 40 unmodified lines
41	41	void ff_blockdsp_init_alpha(BlockDSPContext *c);
42	42	void ff_blockdsp_init_arm(BlockDSPContext *c);
43	43	void ff_blockdsp_init_ppc(BlockDSPContext *c);
	44	+void ff_blockdsp_init_riscv(BlockDSPContext *c);
44	45	void ff_blockdsp_init_x86(BlockDSPContext *c);
45	46	void ff_blockdsp_init_mips(BlockDSPContext *c);
46	47

@@ -10,6 +10,8 @@ RVV-OBJS-$(CONFIG_ALAC_DECODER) += riscv/alacdsp_rvv.o · 9 unmodified lines
10	10	OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_init.o
11	11	RV-OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_rvf.o
12	12	RVV-OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_rvv.o
	13	+OBJS-$(CONFIG_BLOCKDSP) += riscv/blockdsp_init.o
	14	+RVV-OBJS-$(CONFIG_BLOCKDSP) += riscv/blockdsp_rvv.o
13	15	OBJS-$(CONFIG_BSWAPDSP) += riscv/bswapdsp_init.o
14	16	RV-OBJS-$(CONFIG_BSWAPDSP) += riscv/bswapdsp_rvb.o
15	17	RVV-OBJS-$(CONFIG_BSWAPDSP) += riscv/bswapdsp_rvv.o

@@ -0,0 +1,39 @@
	1	+/*
	2	+ * Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
	3	+ *
	4	+ * This file is part of FFmpeg.
	5	+ *
	6	+ * FFmpeg is free software; you can redistribute it and/or
	7	+ * modify it under the terms of the GNU Lesser General Public
	8	+ * License as published by the Free Software Foundation; either
	9	+ * version 2.1 of the License, or (at your option) any later version.
	10	+ *
	11	+ * FFmpeg is distributed in the hope that it will be useful,
	12	+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	+ * Lesser General Public License for more details.
	15	+ *
	16	+ * You should have received a copy of the GNU Lesser General Public
	17	+ * License along with FFmpeg; if not, write to the Free Software
	18	+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	19	+ */
	20	+
	21	+#include "config.h"
	22	+
	23	+#include "libavutil/attributes.h"
	24	+#include "libavutil/cpu.h"
	25	+#include "libavutil/riscv/cpu.h"
	26	+#include "libavcodec/blockdsp.h"
	27	+
	28	+void ff_clear_block_rvv(int16_t *block);
	29	+
	30	+av_cold void ff_blockdsp_init_riscv(BlockDSPContext *c)
	31	+{
	32	+#if HAVE_RVV
	33	+ int flags = av_get_cpu_flags();
	34	+
	35	+ if (flags & AV_CPU_FLAG_RVV_I64 && ff_get_rv_vlenb() >= 16) {
	36	+ c->clear_block = ff_clear_block_rvv;
	37	+ }
	38	+#endif
	39	+}

@@ -0,0 +1,29 @@
	1	+/*
	2	+ * Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
	3	+ *
	4	+ * This file is part of FFmpeg.
	5	+ *
	6	+ * FFmpeg is free software; you can redistribute it and/or
	7	+ * modify it under the terms of the GNU Lesser General Public
	8	+ * License as published by the Free Software Foundation; either
	9	+ * version 2.1 of the License, or (at your option) any later version.
	10	+ *
	11	+ * FFmpeg is distributed in the hope that it will be useful,
	12	+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	+ * Lesser General Public License for more details.
	15	+ *
	16	+ * You should have received a copy of the GNU Lesser General Public
	17	+ * License along with FFmpeg; if not, write to the Free Software
	18	+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	19	+ */
	20	+
	21	+#include "libavutil/riscv/asm.S"
	22	+
	23	+func ff_clear_block_rvv, zve64x
	24	+ vsetivli zero, 16, e64, m8, ta, ma
	25	+ vmv.v.i v0, 0
	26	+ vse64.v v0, (a0)
	27	+
	28	+ ret
	29	+endfunc

Keyboard shortcuts