PR #24212 opened by mkver
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24212
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24212.patch

Unused since 2312ae4d10e10e315d12797b78155dbc0bc56cea.



From b6e90cc92c6182b07d0ebd6d853b5e39f922fa3c Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <[email protected]>
Date: Wed, 19 Aug 2026 22:25:07 +0200
Subject: [PATCH] avcodec/fmtconvert: Remove now unused subsystem

Unused since 2312ae4d10e10e315d12797b78155dbc0bc56cea.

Signed-off-by: Andreas Rheinhardt <[email protected]>
---
 configure                            |   1 -
 doc/mips.txt                         |   1 -
 libavcodec/Makefile                  |   1 -
 libavcodec/aarch64/Makefile          |   2 -
 libavcodec/aarch64/fmtconvert_init.c |  37 -------
 libavcodec/aarch64/fmtconvert_neon.S |  43 --------
 libavcodec/arm/Makefile              |   5 -
 libavcodec/arm/fmtconvert_init_arm.c |  44 ---------
 libavcodec/arm/fmtconvert_neon.S     |  52 ----------
 libavcodec/arm/fmtconvert_vfp.S      |  60 ------------
 libavcodec/fmtconvert.c              |  53 ----------
 libavcodec/fmtconvert.h              |  51 ----------
 libavcodec/mips/Makefile             |   1 -
 libavcodec/mips/fmtconvert_mips.c    | 141 ---------------------------
 libavcodec/ppc/Makefile              |   1 -
 libavcodec/ppc/fmtconvert_altivec.c  |  65 ------------
 libavcodec/riscv/Makefile            |   2 -
 libavcodec/riscv/fmtconvert_init.c   |  40 --------
 libavcodec/riscv/fmtconvert_rvv.S    |  39 --------
 libavcodec/x86/Makefile              |   2 -
 libavcodec/x86/fmtconvert.asm        |  59 -----------
 libavcodec/x86/fmtconvert_init.c     |  39 --------
 tests/checkasm/Makefile              |   1 -
 tests/checkasm/checkasm.c            |   3 -
 tests/checkasm/checkasm.h            |   1 -
 tests/checkasm/fmtconvert.c          |  85 ----------------
 tests/fate/checkasm.mak              |   1 -
 27 files changed, 830 deletions(-)
 delete mode 100644 libavcodec/aarch64/fmtconvert_init.c
 delete mode 100644 libavcodec/aarch64/fmtconvert_neon.S
 delete mode 100644 libavcodec/arm/fmtconvert_init_arm.c
 delete mode 100644 libavcodec/arm/fmtconvert_neon.S
 delete mode 100644 libavcodec/arm/fmtconvert_vfp.S
 delete mode 100644 libavcodec/fmtconvert.c
 delete mode 100644 libavcodec/fmtconvert.h
 delete mode 100644 libavcodec/mips/fmtconvert_mips.c
 delete mode 100644 libavcodec/ppc/fmtconvert_altivec.c
 delete mode 100644 libavcodec/riscv/fmtconvert_init.c
 delete mode 100644 libavcodec/riscv/fmtconvert_rvv.S
 delete mode 100644 libavcodec/x86/fmtconvert.asm
 delete mode 100644 libavcodec/x86/fmtconvert_init.c
 delete mode 100644 tests/checkasm/fmtconvert.c

diff --git a/configure b/configure
index 4e9f6242ce..9dd11e7218 100755
--- a/configure
+++ b/configure
@@ -2747,7 +2747,6 @@ CONFIG_EXTRA="
     faandct
     faanidct
     fdctdsp
-    fmtconvert
     frame_thread_encoder
     g722dsp
     golomb
diff --git a/doc/mips.txt b/doc/mips.txt
index f7529bd8e7..c6d369d400 100644
--- a/doc/mips.txt
+++ b/doc/mips.txt
@@ -59,6 +59,5 @@ Files that have MIPS copyright notice in them:
       compute_antialias_fixed.h
       compute_antialias_float.h
       lsp_mips.h
-      fmtconvert_mips.c
       mpegaudiodsp_mips_fixed.c
       mpegaudiodsp_mips_float.c
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index e464811af6..16d60b27ce 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -108,7 +108,6 @@ OBJS-$(CONFIG_EVCPARSE)                += evc_parse.o 
evc_ps.o
 OBJS-$(CONFIG_FAANDCT)                 += faandct.o
 OBJS-$(CONFIG_FAANIDCT)                += faanidct.o
 OBJS-$(CONFIG_FDCTDSP)                 += fdctdsp.o jfdctfst.o jfdctint.o
-OBJS-$(CONFIG_FMTCONVERT)              += fmtconvert.o
 OBJS-$(CONFIG_GOLOMB)                  += golomb.o
 OBJS-$(CONFIG_H263DSP)                 += h263dsp.o
 OBJS-$(CONFIG_H264CHROMA)              += h264chroma.o
diff --git a/libavcodec/aarch64/Makefile b/libavcodec/aarch64/Makefile
index d835b2900f..e0762e3fa1 100644
--- a/libavcodec/aarch64/Makefile
+++ b/libavcodec/aarch64/Makefile
@@ -1,7 +1,6 @@
 # subsystems
 OBJS-$(CONFIG_AC3DSP)                   += aarch64/ac3dsp_init_aarch64.o
 OBJS-$(CONFIG_FDCTDSP)                  += aarch64/fdctdsp_init_aarch64.o
-OBJS-$(CONFIG_FMTCONVERT)               += aarch64/fmtconvert_init.o
 OBJS-$(CONFIG_H264CHROMA)               += aarch64/h264chroma_init_aarch64.o
 OBJS-$(CONFIG_H264DSP)                  += aarch64/h264dsp_init_aarch64.o
 OBJS-$(CONFIG_HUFFYUVDSP)               += aarch64/huffyuvdsp_init_aarch64.o
@@ -45,7 +44,6 @@ NEON-OBJS-$(CONFIG_AAC_DECODER)         += 
aarch64/sbrdsp_neon.o
 NEON-OBJS-$(CONFIG_AAC_ENCODER)         += aarch64/aacencdsp_neon.o
 NEON-OBJS-$(CONFIG_AC3DSP)              += aarch64/ac3dsp_neon.o
 NEON-OBJS-$(CONFIG_FDCTDSP)             += aarch64/fdctdsp_neon.o
-NEON-OBJS-$(CONFIG_FMTCONVERT)          += aarch64/fmtconvert_neon.o
 NEON-OBJS-$(CONFIG_H264CHROMA)          += aarch64/h264cmc_neon.o
 NEON-OBJS-$(CONFIG_H264DSP)             += aarch64/h264dsp_neon.o              
\
                                            aarch64/h264idct_neon.o
diff --git a/libavcodec/aarch64/fmtconvert_init.c 
b/libavcodec/aarch64/fmtconvert_init.c
deleted file mode 100644
index 0a8e625edc..0000000000
--- a/libavcodec/aarch64/fmtconvert_init.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * ARM optimized Format Conversion Utils
- *
- * 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 <stdint.h>
-
-#include "libavutil/attributes.h"
-#include "libavutil/aarch64/cpu.h"
-#include "libavcodec/fmtconvert.h"
-
-void ff_int32_to_float_fmul_scalar_neon(float *dst, const int32_t *src,
-                                        float mul, int len);
-
-av_cold void ff_fmt_convert_init_aarch64(FmtConvertContext *c)
-{
-    int cpu_flags = av_get_cpu_flags();
-
-    if (have_neon(cpu_flags)) {
-        c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_neon;
-    }
-}
diff --git a/libavcodec/aarch64/fmtconvert_neon.S 
b/libavcodec/aarch64/fmtconvert_neon.S
deleted file mode 100644
index 65d6325c9a..0000000000
--- a/libavcodec/aarch64/fmtconvert_neon.S
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * ARM NEON optimised Format Conversion Utils
- * Copyright (c) 2008 Mans Rullgard <[email protected]>
- * Copyright (c) 2015 Janne Grunau  <[email protected]>
- *
- * 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/aarch64/asm.S"
-
-function ff_int32_to_float_fmul_scalar_neon, export=1
-        ld1             {v1.4s,v2.4s}, [x1], #32
-        scvtf           v1.4s,  v1.4s
-        scvtf           v2.4s,  v2.4s
-1:
-        subs            w2,  w2,  #8
-        fmul            v3.4s,  v1.4s,  v0.s[0]
-        fmul            v4.4s,  v2.4s,  v0.s[0]
-        b.le            2f
-        ld1             {v1.4s,v2.4s}, [x1], #32
-        st1             {v3.4s,v4.4s}, [x0], #32
-        scvtf           v1.4s,  v1.4s
-        scvtf           v2.4s,  v2.4s
-        b               1b
-2:
-        st1             {v3.4s,v4.4s}, [x0]
-        ret
-endfunc
diff --git a/libavcodec/arm/Makefile b/libavcodec/arm/Makefile
index e32a0bf49f..6136010007 100644
--- a/libavcodec/arm/Makefile
+++ b/libavcodec/arm/Makefile
@@ -5,7 +5,6 @@ OBJS-$(CONFIG_AC3DSP)                  += arm/ac3dsp_init_arm.o 
        \
                                           arm/ac3dsp_arm.o
 OBJS-$(CONFIG_AUDIODSP)                += arm/audiodsp_init_arm.o
 OBJS-$(CONFIG_BLOCKDSP)                += arm/blockdsp_init_arm.o
-OBJS-$(CONFIG_FMTCONVERT)              += arm/fmtconvert_init_arm.o
 OBJS-$(CONFIG_G722DSP)                 += arm/g722dsp_init_arm.o
 OBJS-$(CONFIG_H264CHROMA)              += arm/h264chroma_init_arm.o
 OBJS-$(CONFIG_H264DSP)                 += arm/h264dsp_init_arm.o
@@ -86,9 +85,6 @@ ARMV6-OBJS-$(CONFIG_TRUEHD_DECODER)    += arm/mlpdsp_armv6.o
 
 # VFP optimizations
 
-# subsystems
-VFP-OBJS-$(CONFIG_FMTCONVERT)          += arm/fmtconvert_vfp.o
-
 # decoders/encoders
 VFP-OBJS-$(CONFIG_DCA_DECODER)         += arm/synth_filter_vfp.o
 
@@ -102,7 +98,6 @@ NEON-OBJS-$(CONFIG_AUDIODSP)           += 
arm/audiodsp_init_neon.o      \
                                           arm/int_neon.o
 NEON-OBJS-$(CONFIG_BLOCKDSP)           += arm/blockdsp_init_neon.o      \
                                           arm/blockdsp_neon.o
-NEON-OBJS-$(CONFIG_FMTCONVERT)         += arm/fmtconvert_neon.o
 NEON-OBJS-$(CONFIG_G722DSP)            += arm/g722dsp_neon.o
 NEON-OBJS-$(CONFIG_H264CHROMA)         += arm/h264cmc_neon.o
 NEON-OBJS-$(CONFIG_H264DSP)            += arm/h264dsp_neon.o            \
diff --git a/libavcodec/arm/fmtconvert_init_arm.c 
b/libavcodec/arm/fmtconvert_init_arm.c
deleted file mode 100644
index e38e0ee420..0000000000
--- a/libavcodec/arm/fmtconvert_init_arm.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * ARM optimized Format Conversion Utils
- *
- * 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 <stdint.h>
-
-#include "libavutil/attributes.h"
-#include "libavutil/arm/cpu.h"
-#include "libavcodec/fmtconvert.h"
-
-void ff_int32_to_float_fmul_scalar_neon(float *dst, const int32_t *src,
-                                        float mul, int len);
-
-void ff_int32_to_float_fmul_scalar_vfp(float *dst, const int32_t *src,
-                                       float mul, int len);
-
-av_cold void ff_fmt_convert_init_arm(FmtConvertContext *c)
-{
-    int cpu_flags = av_get_cpu_flags();
-
-    if (have_vfp_vm(cpu_flags)) {
-        c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_vfp;
-    }
-
-    if (have_neon(cpu_flags)) {
-        c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_neon;
-    }
-}
diff --git a/libavcodec/arm/fmtconvert_neon.S b/libavcodec/arm/fmtconvert_neon.S
deleted file mode 100644
index e0a01876d2..0000000000
--- a/libavcodec/arm/fmtconvert_neon.S
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * ARM NEON optimised Format Conversion Utils
- * Copyright (c) 2008 Mans Rullgard <[email protected]>
- * Copyright (c) 2015 Janne Grunau  <[email protected]>b
- *
- * 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/arm/asm.S"
-
-function ff_int32_to_float_fmul_scalar_neon, export=1
-VFP     vdup.32         q0,  d0[0]
-VFP     len     .req    r2
-NOVFP   vdup.32         q0,  r2
-NOVFP   len     .req    r3
-
-        vld1.32         {q1},[r1,:128]!
-        vcvt.f32.s32    q3,  q1
-        vld1.32         {q2},[r1,:128]!
-        vcvt.f32.s32    q8,  q2
-1:      subs            len, len, #8
-        pld             [r1, #16]
-        vmul.f32        q9,  q3,  q0
-        vmul.f32        q10, q8,  q0
-        beq             2f
-        vld1.32         {q1},[r1,:128]!
-        vcvt.f32.s32    q3,  q1
-        vld1.32         {q2},[r1,:128]!
-        vcvt.f32.s32    q8,  q2
-        vst1.32         {q9}, [r0,:128]!
-        vst1.32         {q10},[r0,:128]!
-        b               1b
-2:      vst1.32         {q9}, [r0,:128]!
-        vst1.32         {q10},[r0,:128]!
-        bx              lr
-        .unreq  len
-endfunc
diff --git a/libavcodec/arm/fmtconvert_vfp.S b/libavcodec/arm/fmtconvert_vfp.S
deleted file mode 100644
index 50d389783d..0000000000
--- a/libavcodec/arm/fmtconvert_vfp.S
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (c) 2013 RISC OS Open Ltd <[email protected]>
- *
- * 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/arm/asm.S"
-
-/**
- * ARM VFP optimised int32 to float conversion.
- * Assume len is a multiple of 8, destination buffer is at least 4 bytes 
aligned
- * (16 bytes alignment is best for BCM2835), little-endian.
- * TODO: could be further optimised by unrolling and interleaving, as above
- */
-@ void ff_int32_to_float_fmul_scalar_vfp(float *dst, const int32_t *src, float 
mul, int len)
-function ff_int32_to_float_fmul_scalar_vfp, export=1
-VFP     tmp     .req    a4
-VFP     len     .req    a3
-NOVFP   tmp     .req    a3
-NOVFP   len     .req    a4
-NOVFP   vmov    s0, a3
-        ldr             tmp, =0x03070000           @ RunFast mode, short 
vectors of length 8, stride 1
-        fmrx            ip, FPSCR
-        fmxr            FPSCR, tmp
-1:
-        vldmia          a2!, {s8-s15}
-        vcvt.f32.s32    s8, s8
-        vcvt.f32.s32    s9, s9
-        vcvt.f32.s32    s10, s10
-        vcvt.f32.s32    s11, s11
-        vcvt.f32.s32    s12, s12
-        vcvt.f32.s32    s13, s13
-        vcvt.f32.s32    s14, s14
-        vcvt.f32.s32    s15, s15
-        vmul.f32        s8, s8, s0
-        subs            len, len, #8
-        vstmia          a1!, {s8-s11}
-        vstmia          a1!, {s12-s15}
-        bne             1b
-
-        fmxr            FPSCR, ip
-        bx              lr
-endfunc
-        .unreq  tmp
-        .unreq  len
diff --git a/libavcodec/fmtconvert.c b/libavcodec/fmtconvert.c
deleted file mode 100644
index e74daed1d3..0000000000
--- a/libavcodec/fmtconvert.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Format Conversion Utils
- * Copyright (c) 2000, 2001 Fabrice Bellard
- * Copyright (c) 2002-2004 Michael Niedermayer <[email protected]>
- *
- * 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 "fmtconvert.h"
-
-static void int32_to_float_fmul_scalar_c(float *dst, const int32_t *src,
-                                         float mul, int len)
-{
-    int i;
-    for(i=0; i<len; i++)
-        dst[i] = src[i] * mul;
-}
-
-av_cold void ff_fmt_convert_init(FmtConvertContext *c)
-{
-    c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_c;
-
-#if ARCH_AARCH64
-    ff_fmt_convert_init_aarch64(c);
-#elif ARCH_ARM
-    ff_fmt_convert_init_arm(c);
-#elif ARCH_PPC
-    ff_fmt_convert_init_ppc(c);
-#elif ARCH_RISCV
-    ff_fmt_convert_init_riscv(c);
-#elif ARCH_X86 && HAVE_X86ASM
-    ff_fmt_convert_init_x86(c);
-#endif
-#if HAVE_MIPSFPU
-    ff_fmt_convert_init_mips(c);
-#endif
-}
diff --git a/libavcodec/fmtconvert.h b/libavcodec/fmtconvert.h
deleted file mode 100644
index 912d88a68f..0000000000
--- a/libavcodec/fmtconvert.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Format Conversion Utils
- * Copyright (c) 2000, 2001 Fabrice Bellard
- * Copyright (c) 2002-2004 Michael Niedermayer <[email protected]>
- *
- * 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
- */
-
-#ifndef AVCODEC_FMTCONVERT_H
-#define AVCODEC_FMTCONVERT_H
-
-#include <stdint.h>
-
-typedef struct FmtConvertContext {
-    /**
-     * Convert an array of int32_t to float and multiply by a float value.
-     * @param dst destination array of float.
-     *            constraints: 16-byte aligned
-     * @param src source array of int32_t.
-     *            constraints: 16-byte aligned
-     * @param len number of elements to convert.
-     *            constraints: multiple of 8
-     */
-    void (*int32_to_float_fmul_scalar)(float *dst, const int32_t *src,
-                                       float mul, int len);
-} FmtConvertContext;
-
-void ff_fmt_convert_init(FmtConvertContext *c);
-
-void ff_fmt_convert_init_aarch64(FmtConvertContext *c);
-void ff_fmt_convert_init_arm(FmtConvertContext *c);
-void ff_fmt_convert_init_ppc(FmtConvertContext *c);
-void ff_fmt_convert_init_riscv(FmtConvertContext *c);
-void ff_fmt_convert_init_x86(FmtConvertContext *c);
-void ff_fmt_convert_init_mips(FmtConvertContext *c);
-
-#endif /* AVCODEC_FMTCONVERT_H */
diff --git a/libavcodec/mips/Makefile b/libavcodec/mips/Makefile
index 1d777293d0..71c109764a 100644
--- a/libavcodec/mips/Makefile
+++ b/libavcodec/mips/Makefile
@@ -36,7 +36,6 @@ MIPSFPU-OBJS-$(CONFIG_WMAVOICE_DECODER)   += 
mips/acelp_filters_mips.o     \
 MIPSFPU-OBJS-$(CONFIG_CELP_MATH)          += mips/celp_math_mips.o
 MIPSFPU-OBJS-$(CONFIG_MPEGAUDIODSP)       += mips/mpegaudiodsp_mips_float.o
 MIPSDSP-OBJS-$(CONFIG_MPEGAUDIODSP)       += mips/mpegaudiodsp_mips_fixed.o
-MIPSFPU-OBJS-$(CONFIG_FMTCONVERT)         += mips/fmtconvert_mips.o
 OBJS-$(CONFIG_AC3DSP)                     += mips/ac3dsp_mips.o
 OBJS-$(CONFIG_HEVC_DECODER)               += mips/hevcdsp_init_mips.o      \
                                              mips/hevcpred_init_mips.o
diff --git a/libavcodec/mips/fmtconvert_mips.c 
b/libavcodec/mips/fmtconvert_mips.c
deleted file mode 100644
index c39e853575..0000000000
--- a/libavcodec/mips/fmtconvert_mips.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * Format Conversion Utils for MIPS
- *
- * Copyright (c) 2012
- *      MIPS Technologies, Inc., California.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the MIPS Technologies, Inc., nor the names of is
- *    contributors may be used to endorse or promote products derived from
- *    this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * Author:  Zoran Lukic ([email protected])
- * Author:  Nedeljko Babic ([email protected])
- *
- * 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 "libavcodec/fmtconvert.h"
-#include "libavutil/mips/asmdefs.h"
-
-#if HAVE_INLINE_ASM
-static void int32_to_float_fmul_scalar_mips(float *dst, const int *src,
-        float mul, int len)
-{
-    /*
-     * variables used in inline assembler
-     */
-    float temp1, temp3, temp5, temp7, temp9, temp11, temp13, temp15;
-
-    int rpom1, rpom2, rpom11, rpom21, rpom12, rpom22, rpom13, rpom23;
-    const int *src_end = src + len;
-    /*
-     * loop is 8 times unrolled in assembler in order to achieve better 
performance
-     */
-    __asm__ volatile (
-        "i32tf_lp%=:                                    \n\t"
-        "lw       %[rpom11],     0(%[src])              \n\t"
-        "lw       %[rpom21],     4(%[src])              \n\t"
-        "lw       %[rpom1],      8(%[src])              \n\t"
-        "lw       %[rpom2],      12(%[src])             \n\t"
-        "mtc1     %[rpom11],     %[temp1]               \n\t"
-        "mtc1     %[rpom21],     %[temp3]               \n\t"
-        "mtc1     %[rpom1],      %[temp5]               \n\t"
-        "mtc1     %[rpom2],      %[temp7]               \n\t"
-
-        "lw       %[rpom13],     16(%[src])             \n\t"
-        "lw       %[rpom23],     20(%[src])             \n\t"
-        "lw       %[rpom12],     24(%[src])             \n\t"
-        "lw       %[rpom22],     28(%[src])             \n\t"
-        "mtc1     %[rpom13],     %[temp9]               \n\t"
-        "mtc1     %[rpom23],     %[temp11]              \n\t"
-        "mtc1     %[rpom12],     %[temp13]              \n\t"
-        "mtc1     %[rpom22],     %[temp15]              \n\t"
-
-        PTR_ADDIU "%[src],       32                     \n\t"
-        "cvt.s.w  %[temp1],      %[temp1]               \n\t"
-        "cvt.s.w  %[temp3],      %[temp3]               \n\t"
-        "cvt.s.w  %[temp5],      %[temp5]               \n\t"
-        "cvt.s.w  %[temp7],      %[temp7]               \n\t"
-
-        "cvt.s.w  %[temp9],      %[temp9]               \n\t"
-        "cvt.s.w  %[temp11],     %[temp11]              \n\t"
-        "cvt.s.w  %[temp13],     %[temp13]              \n\t"
-        "cvt.s.w  %[temp15],     %[temp15]              \n\t"
-
-        "mul.s   %[temp1],       %[temp1],    %[mul]    \n\t"
-        "mul.s   %[temp3],       %[temp3],    %[mul]    \n\t"
-        "mul.s   %[temp5],       %[temp5],    %[mul]    \n\t"
-        "mul.s   %[temp7],       %[temp7],    %[mul]    \n\t"
-
-        "mul.s   %[temp9],       %[temp9],    %[mul]    \n\t"
-        "mul.s   %[temp11],      %[temp11],   %[mul]    \n\t"
-        "mul.s   %[temp13],      %[temp13],   %[mul]    \n\t"
-        "mul.s   %[temp15],      %[temp15],   %[mul]    \n\t"
-
-        "swc1    %[temp1],       0(%[dst])              \n\t" /*dst[i] = 
src[i] * mul;    */
-        "swc1    %[temp3],       4(%[dst])              \n\t" /*dst[i+1] = 
src[i+1] * mul;*/
-        "swc1    %[temp5],       8(%[dst])              \n\t" /*dst[i+2] = 
src[i+2] * mul;*/
-        "swc1    %[temp7],       12(%[dst])             \n\t" /*dst[i+3] = 
src[i+3] * mul;*/
-
-        "swc1    %[temp9],       16(%[dst])             \n\t" /*dst[i+4] = 
src[i+4] * mul;*/
-        "swc1    %[temp11],      20(%[dst])             \n\t" /*dst[i+5] = 
src[i+5] * mul;*/
-        "swc1    %[temp13],      24(%[dst])             \n\t" /*dst[i+6] = 
src[i+6] * mul;*/
-        "swc1    %[temp15],      28(%[dst])             \n\t" /*dst[i+7] = 
src[i+7] * mul;*/
-        PTR_ADDIU "%[dst],       32                     \n\t"
-        "bne     %[src],        %[src_end], i32tf_lp%=  \n\t"
-        : [temp1]"=&f"(temp1),   [temp11]"=&f"(temp11),
-          [temp13]"=&f"(temp13), [temp15]"=&f"(temp15),
-          [temp3]"=&f"(temp3),   [temp5]"=&f"(temp5),
-          [temp7]"=&f"(temp7),   [temp9]"=&f"(temp9),
-          [rpom1]"=&r"(rpom1),   [rpom2]"=&r"(rpom2),
-          [rpom11]"=&r"(rpom11), [rpom21]"=&r"(rpom21),
-          [rpom12]"=&r"(rpom12), [rpom22]"=&r"(rpom22),
-          [rpom13]"=&r"(rpom13), [rpom23]"=&r"(rpom23),
-          [dst]"+r"(dst),       [src]"+r"(src)
-        : [mul]"f"(mul),        [src_end]"r"(src_end)
-        : "memory"
-    );
-}
-#endif /* HAVE_INLINE_ASM */
-
-av_cold void ff_fmt_convert_init_mips(FmtConvertContext *c)
-{
-#if HAVE_INLINE_ASM
-    c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_mips;
-#endif
-}
diff --git a/libavcodec/ppc/Makefile b/libavcodec/ppc/Makefile
index bddba27727..06df54089a 100644
--- a/libavcodec/ppc/Makefile
+++ b/libavcodec/ppc/Makefile
@@ -2,7 +2,6 @@
 OBJS-$(CONFIG_AUDIODSP)                += ppc/audiodsp.o
 OBJS-$(CONFIG_BLOCKDSP)                += ppc/blockdsp.o
 OBJS-$(CONFIG_FDCTDSP)                 += ppc/fdctdsp.o
-OBJS-$(CONFIG_FMTCONVERT)              += ppc/fmtconvert_altivec.o
 OBJS-$(CONFIG_H264CHROMA)              += ppc/h264chroma_init.o
 OBJS-$(CONFIG_H264DSP)                 += ppc/h264dsp.o ppc/hpeldsp_altivec.o
 OBJS-$(CONFIG_H264QPEL)                += ppc/h264qpel.o
diff --git a/libavcodec/ppc/fmtconvert_altivec.c 
b/libavcodec/ppc/fmtconvert_altivec.c
deleted file mode 100644
index 2e34de7c90..0000000000
--- a/libavcodec/ppc/fmtconvert_altivec.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (c) 2006 Luca Barbato <[email protected]>
- *
- * 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 "libavutil/mem.h"
-#include "libavutil/ppc/cpu.h"
-#include "libavutil/ppc/util_altivec.h"
-#include "libavcodec/fmtconvert.h"
-
-#if HAVE_ALTIVEC
-
-static void int32_to_float_fmul_scalar_altivec(float *dst, const int32_t *src,
-                                               float mul, int len)
-{
-    union {
-        vector float v;
-        float s[4];
-    } mul_u;
-    int i;
-    vector float src1, src2, dst1, dst2, mul_v, zero;
-
-    zero = (vector float)vec_splat_u32(0);
-    mul_u.s[0] = mul;
-    mul_v = vec_splat(mul_u.v, 0);
-
-    for (i = 0; i < len; i += 8) {
-        src1 = vec_ctf(vec_ld(0,  src+i), 0);
-        src2 = vec_ctf(vec_ld(16, src+i), 0);
-        dst1 = vec_madd(src1, mul_v, zero);
-        dst2 = vec_madd(src2, mul_v, zero);
-        vec_st(dst1,  0, dst+i);
-        vec_st(dst2, 16, dst+i);
-    }
-}
-
-#endif /* HAVE_ALTIVEC */
-
-av_cold void ff_fmt_convert_init_ppc(FmtConvertContext *c)
-{
-#if HAVE_ALTIVEC
-    if (!PPC_ALTIVEC(av_get_cpu_flags()))
-        return;
-
-    c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_altivec;
-#endif /* HAVE_ALTIVEC */
-}
diff --git a/libavcodec/riscv/Makefile b/libavcodec/riscv/Makefile
index ff063afc35..e8b9af2bd1 100644
--- a/libavcodec/riscv/Makefile
+++ b/libavcodec/riscv/Makefile
@@ -20,8 +20,6 @@ OBJS-$(CONFIG_EXR_DECODER) += riscv/exrdsp_init.o
 RVV-OBJS-$(CONFIG_EXR_DECODER) += riscv/exrdsp_rvv.o
 OBJS-$(CONFIG_FLAC_DECODER) += riscv/flacdsp_init.o
 RVV-OBJS-$(CONFIG_FLAC_DECODER) += riscv/flacdsp_rvv.o
-OBJS-$(CONFIG_FMTCONVERT) += riscv/fmtconvert_init.o
-RVV-OBJS-$(CONFIG_FMTCONVERT) += riscv/fmtconvert_rvv.o
 OBJS-$(CONFIG_G722DSP) += riscv/g722dsp_init.o
 RVV-OBJS-$(CONFIG_G722DSP) += riscv/g722dsp_rvv.o
 OBJS-$(CONFIG_JPEG2000_DECODER) += riscv/jpeg2000dsp_init.o
diff --git a/libavcodec/riscv/fmtconvert_init.c 
b/libavcodec/riscv/fmtconvert_init.c
deleted file mode 100644
index 957be0ad2c..0000000000
--- a/libavcodec/riscv/fmtconvert_init.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * 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 <stdint.h>
-
-#include "config.h"
-#include "libavutil/attributes.h"
-#include "libavutil/cpu.h"
-#include "libavcodec/fmtconvert.h"
-
-void ff_int32_to_float_fmul_scalar_rvv(float *dst, const int32_t *src,
-                                       float mul, int len);
-
-av_cold void ff_fmt_convert_init_riscv(FmtConvertContext *c)
-{
-#if HAVE_RVV
-    int flags = av_get_cpu_flags();
-
-    if ((flags & AV_CPU_FLAG_RVV_F32) && (flags & AV_CPU_FLAG_RVB)) {
-        c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_rvv;
-    }
-#endif
-}
diff --git a/libavcodec/riscv/fmtconvert_rvv.S 
b/libavcodec/riscv/fmtconvert_rvv.S
deleted file mode 100644
index e9b519c861..0000000000
--- a/libavcodec/riscv/fmtconvert_rvv.S
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * 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_int32_to_float_fmul_scalar_rvv, zve32f, zba
-        lpad    0
-NOHWF   fmv.w.x     fa0, a2
-NOHWF   mv          a2, a3
-1:
-        vsetvli     t0, a2, e32, m8, ta, ma
-        vle32.v     v24, (a1)
-        sub         a2, a2, t0
-        vfcvt.f.x.v v24, v24
-        sh2add      a1, t0, a1
-        vfmul.vf    v24, v24, fa0
-        vse32.v     v24, (a0)
-        sh2add      a0, t0, a0
-        bnez        a2, 1b
-
-        ret
-endfunc
diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile
index 85a01af5c5..456a209482 100644
--- a/libavcodec/x86/Makefile
+++ b/libavcodec/x86/Makefile
@@ -12,7 +12,6 @@ X86ASM-OBJS-$(CONFIG_BSWAPDSP)         += x86/bswapdsp_init.o
 X86ASM-OBJS-$(CONFIG_DIRAC_DECODER)    += x86/diracdsp_init.o           \
                                           x86/dirac_dwt_init.o
 OBJS-$(CONFIG_FDCTDSP)                 += x86/fdctdsp_init.o x86/fdct.o
-X86ASM-OBJS-$(CONFIG_FMTCONVERT)       += x86/fmtconvert_init.o
 X86ASM-OBJS-$(CONFIG_H263DSP)          += x86/h263dsp_init.o
 X86ASM-OBJS-$(CONFIG_H264CHROMA)       += x86/h264chroma_init.o
 X86ASM-OBJS-$(CONFIG_H264DSP)          += x86/h264dsp_init.o
@@ -95,7 +94,6 @@ X86ASM-OBJS-$(CONFIG_AC3DSP)           += x86/ac3dsp.o        
          \
 X86ASM-OBJS-$(CONFIG_AUDIODSP)         += x86/audiodsp.o
 X86ASM-OBJS-$(CONFIG_BLOCKDSP)         += x86/blockdsp.o
 X86ASM-OBJS-$(CONFIG_BSWAPDSP)         += x86/bswapdsp.o
-X86ASM-OBJS-$(CONFIG_FMTCONVERT)       += x86/fmtconvert.o
 X86ASM-OBJS-$(CONFIG_H263DSP)          += x86/h263_loopfilter.o
 X86ASM-OBJS-$(CONFIG_H264CHROMA)       += x86/h264_chromamc.o           \
                                           x86/h264_chromamc_10bit.o
diff --git a/libavcodec/x86/fmtconvert.asm b/libavcodec/x86/fmtconvert.asm
deleted file mode 100644
index 65d7b5bcbc..0000000000
--- a/libavcodec/x86/fmtconvert.asm
+++ /dev/null
@@ -1,59 +0,0 @@
-;******************************************************************************
-;* x86 optimized Format Conversion Utils
-;* Copyright (c) 2008 Loren Merritt
-;*
-;* 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/x86/x86util.asm"
-
-SECTION .text
-
-;------------------------------------------------------------------------------
-; void ff_int32_to_float_fmul_scalar(float *dst, const int32_t *src, float mul,
-;                                    int len);
-;------------------------------------------------------------------------------
-%macro INT32_TO_FLOAT_FMUL_SCALAR 1
-%if UNIX64
-cglobal int32_to_float_fmul_scalar, 3, 3, %1, dst, src, len
-%else
-cglobal int32_to_float_fmul_scalar, 4, 4, %1, dst, src, mul, len
-%endif
-%if WIN64
-    SWAP 0, 2
-%elif ARCH_X86_32
-    movss   m0, mulm
-%endif
-    SPLATD  m0
-    shl     lend, 2
-    add     srcq, lenq
-    add     dstq, lenq
-    neg     lenq
-.loop:
-    cvtdq2ps  m1, [srcq+lenq   ]
-    cvtdq2ps  m2, [srcq+lenq+16]
-    mulps     m1, m0
-    mulps     m2, m0
-    mova  [dstq+lenq   ], m1
-    mova  [dstq+lenq+16], m2
-    add     lenq, 32
-    jl .loop
-    RET
-%endmacro
-
-INIT_XMM sse2
-INT32_TO_FLOAT_FMUL_SCALAR 3
diff --git a/libavcodec/x86/fmtconvert_init.c b/libavcodec/x86/fmtconvert_init.c
deleted file mode 100644
index 3f8a5bd795..0000000000
--- a/libavcodec/x86/fmtconvert_init.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Format Conversion Utils
- * Copyright (c) 2000, 2001 Fabrice Bellard
- * Copyright (c) 2002-2004 Michael Niedermayer <[email protected]>
- *
- * MMX optimization by Nick Kurshev <[email protected]>
- *
- * 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/attributes.h"
-#include "libavutil/cpu.h"
-#include "libavutil/x86/cpu.h"
-#include "libavcodec/fmtconvert.h"
-
-void ff_int32_to_float_fmul_scalar_sse2(float *dst, const int32_t *src, float 
mul, int len);
-
-av_cold void ff_fmt_convert_init_x86(FmtConvertContext *c)
-{
-    int cpu_flags = av_get_cpu_flags();
-
-    if (EXTERNAL_SSE2(cpu_flags)) {
-        c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse2;
-    }
-}
diff --git a/tests/checkasm/Makefile b/tests/checkasm/Makefile
index 24e2110aad..66e45d8830 100644
--- a/tests/checkasm/Makefile
+++ b/tests/checkasm/Makefile
@@ -7,7 +7,6 @@ AVCODECOBJS-$(CONFIG_AUDIODSP)          += audiodsp.o
 AVCODECOBJS-$(CONFIG_BLOCKDSP)          += blockdsp.o
 AVCODECOBJS-$(CONFIG_BSWAPDSP)          += bswapdsp.o
 AVCODECOBJS-$(CONFIG_FDCTDSP)           += fdctdsp.o
-AVCODECOBJS-$(CONFIG_FMTCONVERT)        += fmtconvert.o
 AVCODECOBJS-$(CONFIG_G722DSP)           += g722dsp.o
 AVCODECOBJS-$(CONFIG_H263DSP)           += h263dsp.o
 AVCODECOBJS-$(CONFIG_H264CHROMA)        += h264chroma.o
diff --git a/tests/checkasm/checkasm.c b/tests/checkasm/checkasm.c
index bf578f8989..957adc4fac 100644
--- a/tests/checkasm/checkasm.c
+++ b/tests/checkasm/checkasm.c
@@ -103,9 +103,6 @@ static const CheckasmTest tests[] = {
     #if CONFIG_FLAC_DECODER
         { "flacdsp", checkasm_check_flacdsp },
     #endif
-    #if CONFIG_FMTCONVERT
-        { "fmtconvert", checkasm_check_fmtconvert },
-    #endif
     #if CONFIG_G722DSP
         { "g722dsp", checkasm_check_g722dsp },
     #endif
diff --git a/tests/checkasm/checkasm.h b/tests/checkasm/checkasm.h
index cdf73fffe2..84fc0b0c08 100644
--- a/tests/checkasm/checkasm.h
+++ b/tests/checkasm/checkasm.h
@@ -54,7 +54,6 @@ void checkasm_check_fdctdsp(void);
 void checkasm_check_fixed_dsp(void);
 void checkasm_check_flacdsp(void);
 void checkasm_check_float_dsp(void);
-void checkasm_check_fmtconvert(void);
 void checkasm_check_g722dsp(void);
 void checkasm_check_h263dsp(void);
 void checkasm_check_h264chroma(void);
diff --git a/tests/checkasm/fmtconvert.c b/tests/checkasm/fmtconvert.c
deleted file mode 100644
index 1f157faf8c..0000000000
--- a/tests/checkasm/fmtconvert.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Copyright (c) 2015 Janne Grunau
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 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 General Public License for more details.
- *
- * You should have received a copy of the GNU 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 <math.h>
-#include <stdint.h>
-#include <string.h>
-
-#include "libavutil/internal.h"
-#include "libavutil/common.h"
-#include "libavutil/mem_internal.h"
-
-#include "libavcodec/fmtconvert.h"
-
-#include "checkasm.h"
-
-#define BUF_SIZE 1024
-
-#define randomize_input(len)                                    \
-    do {                                                        \
-        int k;                                                  \
-        for (k = 0; k < len; k++) {                             \
-            in[k] = rnd() - INT32_MAX;                         \
-        }                                                       \
-        for (     ; k < BUF_SIZE; k++) {                        \
-            in[k] = INT32_MAX;                                  \
-        }                                                       \
-    } while (0)
-
-void checkasm_check_fmtconvert(void)
-{
-    FmtConvertContext c;
-    LOCAL_ALIGNED(32, float,   dst0, [BUF_SIZE]);
-    LOCAL_ALIGNED(32, float,   dst1, [BUF_SIZE]);
-    LOCAL_ALIGNED(32, int32_t, in,   [BUF_SIZE]);
-    float scale_arr[128];
-    int length[] = {8, 16, 24, 56, 72, 128, 512, 520, 656, 768, 992};
-    int i, j;
-
-    for (i = 0; i < FF_ARRAY_ELEMS(scale_arr); i++)
-        scale_arr[i] = (FF_ARRAY_ELEMS(scale_arr) - FF_ARRAY_ELEMS(scale_arr) 
/ 2) / 13;
-
-    ff_fmt_convert_init(&c);
-
-    memset(dst0, 0, sizeof(*dst0) * BUF_SIZE);
-    memset(dst1, 0, sizeof(*dst1) * BUF_SIZE);
-
-    if (check_func(c.int32_to_float_fmul_scalar, 
"int32_to_float_fmul_scalar")) {
-        declare_func(void, float *, const int32_t *, float, int);
-
-        for (i = 0; i < FF_ARRAY_ELEMS(scale_arr); i++) {
-            for (j = 0; j < FF_ARRAY_ELEMS(length); j++) {
-
-                randomize_input(length[j]);
-
-                call_ref(dst0, in, scale_arr[i], length[j]);
-                call_new(dst1, in, scale_arr[i], length[j]);
-
-                if (!float_near_ulp_array(dst0, dst1, 3, length[j])) {
-                    fail();
-                    break;
-                }
-
-                bench_new(dst1, in, scale_arr[i], length[j]);
-            }
-        }
-    }
-    report("fmtconvert");
-}
diff --git a/tests/fate/checkasm.mak b/tests/fate/checkasm.mak
index adc082e39a..fad24e5861 100644
--- a/tests/fate/checkasm.mak
+++ b/tests/fate/checkasm.mak
@@ -19,7 +19,6 @@ FATE_CHECKASM = fate-checkasm-aacencdsp                       
          \
                 fate-checkasm-fixed_dsp                                 \
                 fate-checkasm-flacdsp                                   \
                 fate-checkasm-float_dsp                                 \
-                fate-checkasm-fmtconvert                                \
                 fate-checkasm-g722dsp                                   \
                 fate-checkasm-h263dsp                                   \
                 fate-checkasm-h264chroma                                \
-- 
2.52.0

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