diff --git a/libavutil/cpu.c b/libavutil/cpu.c
index 0035e927a5..8b6eef9873 100644
--- a/libavutil/cpu.c
+++ b/libavutil/cpu.c
@@ -62,6 +62,8 @@ static int get_cpu_flags(void)
     return ff_get_cpu_flags_arm();
 #elif ARCH_PPC
     return ff_get_cpu_flags_ppc();
+#elif ARCH_RISCV
+    return ff_get_cpu_flags_riscv();
 #elif ARCH_X86
     return ff_get_cpu_flags_x86();
 #elif ARCH_LOONGARCH
@@ -178,6 +180,10 @@ int av_parse_cpu_caps(unsigned *flags, const char *s)
 #elif ARCH_LOONGARCH
         { "lsx",      NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_LSX      },    .unit = "flags" },
         { "lasx",     NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_LASX     },    .unit = "flags" },
+#elif ARCH_RISCV
+        { "rvi",      NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_RVI      },    .unit = "flags" },
+        { "rvf",      NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_RVF      },    .unit = "flags" },
+        { "rvd",      NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_RVD      },    .unit = "flags" },
 #endif
         { NULL },
     };
diff --git a/libavutil/cpu.h b/libavutil/cpu.h
index 9711e574c5..9aae2ccc7a 100644
--- a/libavutil/cpu.h
+++ b/libavutil/cpu.h
@@ -78,6 +78,11 @@
 #define AV_CPU_FLAG_LSX          (1 << 0)
 #define AV_CPU_FLAG_LASX         (1 << 1)
 
+// RISC-V extensions
+#define AV_CPU_FLAG_RVI          (1 << 0) ///< I (full GPR bank)
+#define AV_CPU_FLAG_RVF          (1 << 1) ///< F (single precision FP)
+#define AV_CPU_FLAG_RVD          (1 << 2) ///< D (double precision FP)
+
 /**
  * Return the flags which specify extensions supported by the CPU.
  * The returned value is affected by av_force_cpu_flags() if that was used
diff --git a/libavutil/cpu_internal.h b/libavutil/cpu_internal.h
index 650d47fc96..634f28bac4 100644
--- a/libavutil/cpu_internal.h
+++ b/libavutil/cpu_internal.h
@@ -48,6 +48,7 @@ int ff_get_cpu_flags_mips(void);
 int ff_get_cpu_flags_aarch64(void);
 int ff_get_cpu_flags_arm(void);
 int ff_get_cpu_flags_ppc(void);
+int ff_get_cpu_flags_riscv(void);
 int ff_get_cpu_flags_x86(void);
 int ff_get_cpu_flags_loongarch(void);
 
diff --git a/libavutil/riscv/Makefile b/libavutil/riscv/Makefile
new file mode 100644
index 0000000000..1f818043dc
--- /dev/null
+++ b/libavutil/riscv/Makefile
@@ -0,0 +1 @@
+OBJS += riscv/cpu.o
diff --git a/libavutil/riscv/cpu.c b/libavutil/riscv/cpu.c
new file mode 100644
index 0000000000..6803f035e5
--- /dev/null
+++ b/libavutil/riscv/cpu.c
@@ -0,0 +1,56 @@
+/*
+ * 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/cpu.h"
+#include "libavutil/cpu_internal.h"
+#include "libavutil/log.h"
+#include "config.h"
+
+#if HAVE_GETAUXVAL
+#include <sys/auxv.h>
+#define HWCAP_RV(letter) (1ul << ((letter) - 'A'))
+#endif
+
+int ff_get_cpu_flags_riscv(void)
+{
+    int ret = 0;
+#if HAVE_GETAUXVAL
+    const unsigned long hwcap = getauxval(AT_HWCAP);
+
+    if (hwcap & HWCAP_RV('I'))
+        ret |= AV_CPU_FLAG_RVI;
+    if (hwcap & HWCAP_RV('F'))
+        ret |= AV_CPU_FLAG_RVF;
+    if (hwcap & HWCAP_RV('D'))
+        ret |= AV_CPU_FLAG_RVD;
+#endif
+
+#ifdef __riscv_i
+    ret |= AV_CPU_FLAG_RVI;
+#endif
+#if defined (__riscv_flen) && (__riscv_flen >= 32)
+    ret |= AV_CPU_FLAG_RVF;
+#if (__riscv_flen >= 64)
+    ret |= AV_CPU_FLAG_RVD;
+#endif
+#endif
+
+    return ret;
+}
diff --git a/tests/checkasm/checkasm.c b/tests/checkasm/checkasm.c
index 8fd9bba0b0..e1135a84ac 100644
--- a/tests/checkasm/checkasm.c
+++ b/tests/checkasm/checkasm.c
@@ -232,6 +232,10 @@ static const struct {
     { "ALTIVEC",  "altivec",  AV_CPU_FLAG_ALTIVEC },
     { "VSX",      "vsx",      AV_CPU_FLAG_VSX },
     { "POWER8",   "power8",   AV_CPU_FLAG_POWER8 },
+#elif ARCH_RISCV
+    { "RVI",      "rvi",      AV_CPU_FLAG_RVI },
+    { "RVF",      "rvf",      AV_CPU_FLAG_RVF },
+    { "RVD",      "rvd",      AV_CPU_FLAG_RVD },
 #elif ARCH_MIPS
     { "MMI",      "mmi",      AV_CPU_FLAG_MMI },
     { "MSA",      "msa",      AV_CPU_FLAG_MSA },