[FFmpeg-cvslog] lavc/llauddsp: R-V V scalarproduct_and_madd_int16
Rémi Denis-Courmont
git at videolan.org
Thu Nov 16 16:58:45 EET 2023
ffmpeg | branch: master | Rémi Denis-Courmont <remi at remlab.net> | Sun Nov 12 21:56:32 2023 +0200| [45d0eb3f70feae559d6a164a02ed4c565077909f] | committer: Rémi Denis-Courmont
lavc/llauddsp: R-V V scalarproduct_and_madd_int16
scalarproduct_and_madd_int16_c: 10355.7
scalarproduct_and_madd_int16_rvv_i32: 1480.0
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=45d0eb3f70feae559d6a164a02ed4c565077909f
---
libavcodec/lossless_audiodsp.c | 2 ++
libavcodec/lossless_audiodsp.h | 1 +
libavcodec/riscv/Makefile | 2 ++
libavcodec/riscv/llauddsp_init.c | 40 +++++++++++++++++++++++++++++++++++
libavcodec/riscv/llauddsp_rvv.S | 45 ++++++++++++++++++++++++++++++++++++++++
5 files changed, 90 insertions(+)
diff --git a/libavcodec/lossless_audiodsp.c b/libavcodec/lossless_audiodsp.c
index 1daf2e4c12..b0d64cf5b3 100644
--- a/libavcodec/lossless_audiodsp.c
+++ b/libavcodec/lossless_audiodsp.c
@@ -63,6 +63,8 @@ av_cold void ff_llauddsp_init(LLAudDSPContext *c)
ff_llauddsp_init_arm(c);
#elif ARCH_PPC
ff_llauddsp_init_ppc(c);
+#elif ARCH_RISCV
+ ff_llauddsp_init_riscv(c);
#elif ARCH_X86
ff_llauddsp_init_x86(c);
#endif
diff --git a/libavcodec/lossless_audiodsp.h b/libavcodec/lossless_audiodsp.h
index eea5d49fa9..cf2d43d7c9 100644
--- a/libavcodec/lossless_audiodsp.h
+++ b/libavcodec/lossless_audiodsp.h
@@ -46,6 +46,7 @@ typedef struct LLAudDSPContext {
void ff_llauddsp_init(LLAudDSPContext *c);
void ff_llauddsp_init_arm(LLAudDSPContext *c);
void ff_llauddsp_init_ppc(LLAudDSPContext *c);
+void ff_llauddsp_init_riscv(LLAudDSPContext *c);
void ff_llauddsp_init_x86(LLAudDSPContext *c);
#endif /* AVCODEC_LOSSLESS_AUDIODSP_H */
diff --git a/libavcodec/riscv/Makefile b/libavcodec/riscv/Makefile
index 2c9af16782..57c1708dbb 100644
--- a/libavcodec/riscv/Makefile
+++ b/libavcodec/riscv/Makefile
@@ -24,6 +24,8 @@ OBJS-$(CONFIG_HUFFYUV_DECODER) += riscv/huffyuvdsp_init.o
RVV-OBJS-$(CONFIG_HUFFYUV_DECODER) += riscv/huffyuvdsp_rvv.o
OBJS-$(CONFIG_IDCTDSP) += riscv/idctdsp_init.o
RVV-OBJS-$(CONFIG_IDCTDSP) += riscv/idctdsp_rvv.o
+OBJS-$(CONFIG_LLAUDDSP) += riscv/llauddsp_init.o
+RVV-OBJS-$(CONFIG_LLAUDDSP) += riscv/llauddsp_rvv.o
OBJS-$(CONFIG_OPUS_DECODER) += riscv/opusdsp_init.o
RVV-OBJS-$(CONFIG_OPUS_DECODER) += riscv/opusdsp_rvv.o
OBJS-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_init.o \
diff --git a/libavcodec/riscv/llauddsp_init.c b/libavcodec/riscv/llauddsp_init.c
new file mode 100644
index 0000000000..ea023f73e6
--- /dev/null
+++ b/libavcodec/riscv/llauddsp_init.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright © 2023 Rémi Denis-Courmont.
+ *
+ * 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.h"
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavcodec/lossless_audiodsp.h"
+
+int32_t ff_scalarproduct_and_madd_int16_rvv(int16_t *v1, const int16_t *v2,
+ const int16_t *v3, int len,
+ int mul);
+
+av_cold void ff_llauddsp_init_riscv(LLAudDSPContext *c)
+{
+#if HAVE_RVV
+ int flags = av_get_cpu_flags();
+
+ if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR)) {
+ c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_rvv;
+ }
+#endif
+}
diff --git a/libavcodec/riscv/llauddsp_rvv.S b/libavcodec/riscv/llauddsp_rvv.S
new file mode 100644
index 0000000000..74adb338a9
--- /dev/null
+++ b/libavcodec/riscv/llauddsp_rvv.S
@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2023 Rémi Denis-Courmont.
+ *
+ * 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/riscv/asm.S"
+
+func ff_scalarproduct_and_madd_int16_rvv, zve32x
+ vsetvli t0, zero, e32, m8, ta, ma
+ vmv.v.x v0, zero
+1:
+ vsetvli t0, a3, e16, m4, tu, ma
+ vle16.v v8, (a0)
+ sub a3, a3, t0
+ vle16.v v16, (a1)
+ sh1add a1, t0, a1
+ vwmacc.vv v0, v8, v16
+ vle16.v v24, (a2)
+ sh1add a2, t0, a2
+ vmacc.vx v8, a4, v24
+ vse16.v v8, (a0)
+ sh1add a0, t0, a0
+ bnez a3, 1b
+
+ vsetvli t0, zero, e32, m8, ta, ma
+ vmv.s.x v8, zero
+ vredsum.vs v0, v0, v8
+ vmv.x.s a0, v0
+ ret
+endfunc
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