[FFmpeg-cvslog] lavc/aacpsdsp: RISC-V V add_squares
Rémi Denis-Courmont
git at videolan.org
Tue Sep 27 14:59:33 EEST 2022
ffmpeg | branch: master | Rémi Denis-Courmont <remi at remlab.net> | Mon Sep 26 17:52:46 2022 +0300| [b0cacf4c3f8fe451e22a43462ea68ffa1e2e09ec] | committer: Lynne
lavc/aacpsdsp: RISC-V V add_squares
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b0cacf4c3f8fe451e22a43462ea68ffa1e2e09ec
---
libavcodec/aacpsdsp.h | 1 +
libavcodec/aacpsdsp_template.c | 2 ++
libavcodec/riscv/Makefile | 2 ++
libavcodec/riscv/aacpsdsp_init.c | 37 +++++++++++++++++++++++++++++++++++++
libavcodec/riscv/aacpsdsp_rvv.S | 37 +++++++++++++++++++++++++++++++++++++
5 files changed, 79 insertions(+)
diff --git a/libavcodec/aacpsdsp.h b/libavcodec/aacpsdsp.h
index 917ac5303f..8b32761bdb 100644
--- a/libavcodec/aacpsdsp.h
+++ b/libavcodec/aacpsdsp.h
@@ -55,6 +55,7 @@ void AAC_RENAME(ff_psdsp_init)(PSDSPContext *s);
void ff_psdsp_init_arm(PSDSPContext *s);
void ff_psdsp_init_aarch64(PSDSPContext *s);
void ff_psdsp_init_mips(PSDSPContext *s);
+void ff_psdsp_init_riscv(PSDSPContext *s);
void ff_psdsp_init_x86(PSDSPContext *s);
#endif /* AVCODEC_AACPSDSP_H */
diff --git a/libavcodec/aacpsdsp_template.c b/libavcodec/aacpsdsp_template.c
index e3cbf3feec..c063788b89 100644
--- a/libavcodec/aacpsdsp_template.c
+++ b/libavcodec/aacpsdsp_template.c
@@ -230,6 +230,8 @@ av_cold void AAC_RENAME(ff_psdsp_init)(PSDSPContext *s)
ff_psdsp_init_aarch64(s);
#elif ARCH_MIPS
ff_psdsp_init_mips(s);
+#elif ARCH_RISCV
+ ff_psdsp_init_riscv(s);
#elif ARCH_X86
ff_psdsp_init_x86(s);
#endif
diff --git a/libavcodec/riscv/Makefile b/libavcodec/riscv/Makefile
index 03a95301d7..829a1823d2 100644
--- a/libavcodec/riscv/Makefile
+++ b/libavcodec/riscv/Makefile
@@ -1,3 +1,5 @@
+OBJS-$(CONFIG_AAC_DECODER) += riscv/aacpsdsp_init.o
+RVV-OBJS-$(CONFIG_AAC_DECODER) += riscv/aacpsdsp_rvv.o
OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_init.o \
riscv/audiodsp_rvf.o
RVV-OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_rvv.o
diff --git a/libavcodec/riscv/aacpsdsp_init.c b/libavcodec/riscv/aacpsdsp_init.c
new file mode 100644
index 0000000000..83f6d9b16b
--- /dev/null
+++ b/libavcodec/riscv/aacpsdsp_init.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2022 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/aacpsdsp.h"
+
+void ff_ps_add_squares_rvv(float *dst, const float (*src)[2], int n);
+
+av_cold void ff_psdsp_init_riscv(PSDSPContext *c)
+{
+#if HAVE_RVV
+ int flags = av_get_cpu_flags();
+
+ if (flags & AV_CPU_FLAG_RVV_F32)
+ c->add_squares = ff_ps_add_squares_rvv;
+#endif
+}
diff --git a/libavcodec/riscv/aacpsdsp_rvv.S b/libavcodec/riscv/aacpsdsp_rvv.S
new file mode 100644
index 0000000000..b516063ea7
--- /dev/null
+++ b/libavcodec/riscv/aacpsdsp_rvv.S
@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2022 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_ps_add_squares_rvv, zve32f
+1:
+ vsetvli t0, a2, e32, m1, ta, ma
+ vlseg2e32.v v24, (a1)
+ sub a2, a2, t0
+ vle32.v v16, (a0)
+ sh3add a1, t0, a1
+ vfmacc.vv v16, v24, v24
+ vfmacc.vv v16, v25, v25
+ vse32.v v16, (a0)
+ sh2add a0, t0, a0
+ bnez a2, 1b
+
+ ret
+endfunc
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