fmtconvert: drop unused functions

9 files changed, 0 insertions, 1101 deletions

diff --git a/libavcodec/arm/Makefile b/libavcodec/arm/Makefile
index 2a2ca977ab..8fba0c6511 100644
--- a/libavcodec/arm/Makefile
+++ b/libavcodec/arm/Makefile
@@ -91,7 +91,6 @@ VFP-OBJS                               += arm/fmtconvert_vfp.o
 # subsystems
 VFP-OBJS-$(CONFIG_FFT)                 += arm/fft_vfp.o
 VFP-OBJS-$(CONFIG_MDCT)                += arm/mdct_vfp.o
-VFP-OBJS-$(HAVE_ARMV6)                 += arm/fmtconvert_vfp_armv6.o
 
 # decoders/encoders
 VFP-OBJS-$(CONFIG_DCA_DECODER)         += arm/dcadsp_vfp.o              \
diff --git a/libavcodec/arm/fmtconvert_init_arm.c b/libavcodec/arm/fmtconvert_init_arm.c
index 7c5bd91d50..27d3c88011 100644
--- a/libavcodec/arm/fmtconvert_init_arm.c
+++ b/libavcodec/arm/fmtconvert_init_arm.c
@@ -34,11 +34,6 @@ void ff_int32_to_float_fmul_array8_vfp(FmtConvertContext *c, float *dst,
                                        const int32_t *src, const float *mul,
                                        int len);
 
-void ff_float_to_int16_neon(int16_t *dst, const float *src, long len);
-void ff_float_to_int16_interleave_neon(int16_t *, const float **, long, int);
-
-void ff_float_to_int16_vfp(int16_t *dst, const float *src, long len);
-
 av_cold void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx)
 {
     int cpu_flags = av_get_cpu_flags();
@@ -48,18 +43,9 @@ av_cold void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx
             c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_vfp;
             c->int32_to_float_fmul_array8 = ff_int32_to_float_fmul_array8_vfp;
         }
-
-        if (have_armv6(cpu_flags)) {
-            c->float_to_int16 = ff_float_to_int16_vfp;
-        }
     }
 
     if (have_neon(cpu_flags)) {
         c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_neon;
-
-        if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
-            c->float_to_int16            = ff_float_to_int16_neon;
-            c->float_to_int16_interleave = ff_float_to_int16_interleave_neon;
-        }
     }
 }
diff --git a/libavcodec/arm/fmtconvert_neon.S b/libavcodec/arm/fmtconvert_neon.S
index e11e82ca46..5e0ac68843 100644
--- a/libavcodec/arm/fmtconvert_neon.S
+++ b/libavcodec/arm/fmtconvert_neon.S
@@ -22,347 +22,6 @@
 #include "config.h"
 #include "libavutil/arm/asm.S"
 
-function ff_float_to_int16_neon, export=1
-        subs            r2,  r2,  #8
-        vld1.64         {d0-d1},  [r1,:128]!
-        vcvt.s32.f32    q8,  q0,  #16
-        vld1.64         {d2-d3},  [r1,:128]!
-        vcvt.s32.f32    q9,  q1,  #16
-        beq             3f
-        bics            ip,  r2,  #15
-        beq             2f
-1:      subs            ip,  ip,  #16
-        vshrn.s32       d4,  q8,  #16
-        vld1.64         {d0-d1},  [r1,:128]!
-        vcvt.s32.f32    q0,  q0,  #16
-        vshrn.s32       d5,  q9,  #16
-        vld1.64         {d2-d3},  [r1,:128]!
-        vcvt.s32.f32    q1,  q1,  #16
-        vshrn.s32       d6,  q0,  #16
-        vst1.64         {d4-d5},  [r0,:128]!
-        vshrn.s32       d7,  q1,  #16
-        vld1.64         {d16-d17},[r1,:128]!
-        vcvt.s32.f32    q8,  q8,  #16
-        vld1.64         {d18-d19},[r1,:128]!
-        vcvt.s32.f32    q9,  q9,  #16
-        vst1.64         {d6-d7},  [r0,:128]!
-        bne             1b
-        ands            r2,  r2,  #15
-        beq             3f
-2:      vld1.64         {d0-d1},  [r1,:128]!
-        vshrn.s32       d4,  q8,  #16
-        vcvt.s32.f32    q0,  q0,  #16
-        vld1.64         {d2-d3},  [r1,:128]!
-        vshrn.s32       d5,  q9,  #16
-        vcvt.s32.f32    q1,  q1,  #16
-        vshrn.s32       d6,  q0,  #16
-        vst1.64         {d4-d5},  [r0,:128]!
-        vshrn.s32       d7,  q1,  #16
-        vst1.64         {d6-d7},  [r0,:128]!
-        bx              lr
-3:      vshrn.s32       d4,  q8,  #16
-        vshrn.s32       d5,  q9,  #16
-        vst1.64         {d4-d5},  [r0,:128]!
-        bx              lr
-endfunc
-
-function ff_float_to_int16_interleave_neon, export=1
-        cmp             r3, #2
-        itt             lt
-        ldrlt           r1, [r1]
-        blt             X(ff_float_to_int16_neon)
-        bne             4f
-
-        ldr             r3, [r1]
-        ldr             r1, [r1, #4]
-
-        subs            r2,  r2,  #8
-        vld1.64         {d0-d1},  [r3,:128]!
-        vcvt.s32.f32    q8,  q0,  #16
-        vld1.64         {d2-d3},  [r3,:128]!
-        vcvt.s32.f32    q9,  q1,  #16
-        vld1.64         {d20-d21},[r1,:128]!
-        vcvt.s32.f32    q10, q10, #16
-        vld1.64         {d22-d23},[r1,:128]!
-        vcvt.s32.f32    q11, q11, #16
-        beq             3f
-        bics            ip,  r2,  #15
-        beq             2f
-1:      subs            ip,  ip,  #16
-        vld1.64         {d0-d1},  [r3,:128]!
-        vcvt.s32.f32    q0,  q0,  #16
-        vsri.32         q10, q8,  #16
-        vld1.64         {d2-d3},  [r3,:128]!
-        vcvt.s32.f32    q1,  q1,  #16
-        vld1.64         {d24-d25},[r1,:128]!
-        vcvt.s32.f32    q12, q12, #16
-        vld1.64         {d26-d27},[r1,:128]!
-        vsri.32         q11, q9,  #16
-        vst1.64         {d20-d21},[r0,:128]!
-        vcvt.s32.f32    q13, q13, #16
-        vst1.64         {d22-d23},[r0,:128]!
-        vsri.32         q12, q0,  #16
-        vld1.64         {d16-d17},[r3,:128]!
-        vsri.32         q13, q1,  #16
-        vst1.64         {d24-d25},[r0,:128]!
-        vcvt.s32.f32    q8,  q8,  #16
-        vld1.64         {d18-d19},[r3,:128]!
-        vcvt.s32.f32    q9,  q9,  #16
-        vld1.64         {d20-d21},[r1,:128]!
-        vcvt.s32.f32    q10, q10, #16
-        vld1.64         {d22-d23},[r1,:128]!
-        vcvt.s32.f32    q11, q11, #16
-        vst1.64         {d26-d27},[r0,:128]!
-        bne             1b
-        ands            r2,  r2,  #15
-        beq             3f
-2:      vsri.32         q10, q8,  #16
-        vld1.64         {d0-d1},  [r3,:128]!
-        vcvt.s32.f32    q0,  q0,  #16
-        vld1.64         {d2-d3},  [r3,:128]!
-        vcvt.s32.f32    q1,  q1,  #16
-        vld1.64         {d24-d25},[r1,:128]!
-        vcvt.s32.f32    q12, q12, #16
-        vsri.32         q11, q9,  #16
-        vld1.64         {d26-d27},[r1,:128]!
-        vcvt.s32.f32    q13, q13, #16
-        vst1.64         {d20-d21},[r0,:128]!
-        vsri.32         q12, q0,  #16
-        vst1.64         {d22-d23},[r0,:128]!
-        vsri.32         q13, q1,  #16
-        vst1.64         {d24-d27},[r0,:128]!
-        bx              lr
-3:      vsri.32         q10, q8,  #16
-        vsri.32         q11, q9,  #16
-        vst1.64         {d20-d23},[r0,:128]!
-        bx              lr
-
-4:      push            {r4-r8,lr}
-        cmp             r3,  #4
-        lsl             ip,  r3,  #1
-        blt             4f
-
-        @ 4 channels
-5:      ldmia           r1!, {r4-r7}
-        mov             lr,  r2
-        mov             r8,  r0
-        vld1.64         {d16-d17},[r4,:128]!
-        vcvt.s32.f32    q8,  q8,  #16
-        vld1.64         {d18-d19},[r5,:128]!
-        vcvt.s32.f32    q9,  q9,  #16
-        vld1.64         {d20-d21},[r6,:128]!
-        vcvt.s32.f32    q10, q10, #16
-        vld1.64         {d22-d23},[r7,:128]!
-        vcvt.s32.f32    q11, q11, #16
-6:      subs            lr,  lr,  #8
-        vld1.64         {d0-d1},  [r4,:128]!
-        vcvt.s32.f32    q0,  q0,  #16
-        vsri.32         q9,  q8,  #16
-        vld1.64         {d2-d3},  [r5,:128]!
-        vcvt.s32.f32    q1,  q1,  #16
-        vsri.32         q11, q10, #16
-        vld1.64         {d4-d5},  [r6,:128]!
-        vcvt.s32.f32    q2,  q2,  #16
-        vzip.32         d18, d22
-        vld1.64         {d6-d7},  [r7,:128]!
-        vcvt.s32.f32    q3,  q3,  #16
-        vzip.32         d19, d23
-        vst1.64         {d18},    [r8], ip
-        vsri.32         q1,  q0,  #16
-        vst1.64         {d22},    [r8], ip
-        vsri.32         q3,  q2,  #16
-        vst1.64         {d19},    [r8], ip
-        vzip.32         d2,  d6
-        vst1.64         {d23},    [r8], ip
-        vzip.32         d3,  d7
-        beq             7f
-        vld1.64         {d16-d17},[r4,:128]!
-        vcvt.s32.f32    q8,  q8,  #16
-        vst1.64         {d2},     [r8], ip
-        vld1.64         {d18-d19},[r5,:128]!
-        vcvt.s32.f32    q9,  q9,  #16
-        vst1.64         {d6},     [r8], ip
-        vld1.64         {d20-d21},[r6,:128]!
-        vcvt.s32.f32    q10, q10, #16
-        vst1.64         {d3},     [r8], ip
-        vld1.64         {d22-d23},[r7,:128]!
-        vcvt.s32.f32    q11, q11, #16
-        vst1.64         {d7},     [r8], ip
-        b               6b
-7:      vst1.64         {d2},     [r8], ip
-        vst1.64         {d6},     [r8], ip
-        vst1.64         {d3},     [r8], ip
-        vst1.64         {d7},     [r8], ip
-        subs            r3,  r3,  #4
-        it              eq
-        popeq           {r4-r8,pc}
-        cmp             r3,  #4
-        add             r0,  r0,  #8
-        bge             5b
-
-        @ 2 channels
-4:      cmp             r3,  #2
-        blt             4f
-        ldmia           r1!, {r4-r5}
-        mov             lr,  r2
-        mov             r8,  r0
-        tst             lr,  #8
-        vld1.64         {d16-d17},[r4,:128]!
-        vcvt.s32.f32    q8,  q8,  #16
-        vld1.64         {d18-d19},[r5,:128]!
-        vcvt.s32.f32    q9,  q9,  #16
-        vld1.64         {d20-d21},[r4,:128]!
-        vcvt.s32.f32    q10, q10, #16
-        vld1.64         {d22-d23},[r5,:128]!
-        vcvt.s32.f32    q11, q11, #16
-        beq             6f
-        subs            lr,  lr,  #8
-        beq             7f
-        vsri.32         d18, d16, #16
-        vsri.32         d19, d17, #16
-        vld1.64         {d16-d17},[r4,:128]!
-        vcvt.s32.f32    q8,  q8,  #16
-        vst1.32         {d18[0]}, [r8], ip
-        vsri.32         d22, d20, #16
-        vst1.32         {d18[1]}, [r8], ip
-        vsri.32         d23, d21, #16
-        vst1.32         {d19[0]}, [r8], ip
-        vst1.32         {d19[1]}, [r8], ip
-        vld1.64         {d18-d19},[r5,:128]!
-        vcvt.s32.f32    q9,  q9,  #16
-        vst1.32         {d22[0]}, [r8], ip
-        vst1.32         {d22[1]}, [r8], ip
-        vld1.64         {d20-d21},[r4,:128]!
-        vcvt.s32.f32    q10, q10, #16
-        vst1.32         {d23[0]}, [r8], ip
-        vst1.32         {d23[1]}, [r8], ip
-        vld1.64         {d22-d23},[r5,:128]!
-        vcvt.s32.f32    q11, q11, #16
-6:      subs            lr,  lr,  #16
-        vld1.64         {d0-d1},  [r4,:128]!
-        vcvt.s32.f32    q0,  q0,  #16
-        vsri.32         d18, d16, #16
-        vld1.64         {d2-d3},  [r5,:128]!
-        vcvt.s32.f32    q1,  q1,  #16
-        vsri.32         d19, d17, #16
-        vld1.64         {d4-d5},  [r4,:128]!
-        vcvt.s32.f32    q2,  q2,  #16
-        vld1.64         {d6-d7},  [r5,:128]!
-        vcvt.s32.f32    q3,  q3,  #16
-        vst1.32         {d18[0]}, [r8], ip
-        vsri.32         d22, d20, #16
-        vst1.32         {d18[1]}, [r8], ip
-        vsri.32         d23, d21, #16
-        vst1.32         {d19[0]}, [r8], ip
-        vsri.32         d2,  d0,  #16
-        vst1.32         {d19[1]}, [r8], ip
-        vsri.32         d3,  d1,  #16
-        vst1.32         {d22[0]}, [r8], ip
-        vsri.32         d6,  d4,  #16
-        vst1.32         {d22[1]}, [r8], ip
-        vsri.32         d7,  d5,  #16
-        vst1.32         {d23[0]}, [r8], ip
-        vst1.32         {d23[1]}, [r8], ip
-        beq             6f
-        vld1.64         {d16-d17},[r4,:128]!
-        vcvt.s32.f32    q8,  q8,  #16
-        vst1.32         {d2[0]},  [r8], ip
-        vst1.32         {d2[1]},  [r8], ip
-        vld1.64         {d18-d19},[r5,:128]!
-        vcvt.s32.f32    q9,  q9,  #16
-        vst1.32         {d3[0]},  [r8], ip
-        vst1.32         {d3[1]},  [r8], ip
-        vld1.64         {d20-d21},[r4,:128]!
-        vcvt.s32.f32    q10, q10, #16
-        vst1.32         {d6[0]},  [r8], ip
-        vst1.32         {d6[1]},  [r8], ip
-        vld1.64         {d22-d23},[r5,:128]!
-        vcvt.s32.f32    q11, q11, #16
-        vst1.32         {d7[0]},  [r8], ip
-        vst1.32         {d7[1]},  [r8], ip
-        bgt             6b
-6:      vst1.32         {d2[0]},  [r8], ip
-        vst1.32         {d2[1]},  [r8], ip
-        vst1.32         {d3[0]},  [r8], ip
-        vst1.32         {d3[1]},  [r8], ip
-        vst1.32         {d6[0]},  [r8], ip
-        vst1.32         {d6[1]},  [r8], ip
-        vst1.32         {d7[0]},  [r8], ip
-        vst1.32         {d7[1]},  [r8], ip
-        b               8f
-7:      vsri.32         d18, d16, #16
-        vsri.32         d19, d17, #16
-        vst1.32         {d18[0]}, [r8], ip
-        vsri.32         d22, d20, #16
-        vst1.32         {d18[1]}, [r8], ip
-        vsri.32         d23, d21, #16
-        vst1.32         {d19[0]}, [r8], ip
-        vst1.32         {d19[1]}, [r8], ip
-        vst1.32         {d22[0]}, [r8], ip
-        vst1.32         {d22[1]}, [r8], ip
-        vst1.32         {d23[0]}, [r8], ip
-        vst1.32         {d23[1]}, [r8], ip
-8:      subs            r3,  r3,  #2
-        add             r0,  r0,  #4
-        it              eq
-        popeq           {r4-r8,pc}
-
-        @ 1 channel
-4:      ldr             r4,  [r1],#4
-        tst             r2,  #8
-        mov             lr,  r2
-        mov             r5,  r0
-        vld1.64         {d0-d1},  [r4,:128]!
-        vcvt.s32.f32    q0,  q0,  #16
-        vld1.64         {d2-d3},  [r4,:128]!
-        vcvt.s32.f32    q1,  q1,  #16
-        bne             8f
-6:      subs            lr,  lr,  #16
-        vld1.64         {d4-d5},  [r4,:128]!
-        vcvt.s32.f32    q2,  q2,  #16
-        vld1.64         {d6-d7},  [r4,:128]!
-        vcvt.s32.f32    q3,  q3,  #16
-        vst1.16         {d0[1]},  [r5,:16], ip
-        vst1.16         {d0[3]},  [r5,:16], ip
-        vst1.16         {d1[1]},  [r5,:16], ip
-        vst1.16         {d1[3]},  [r5,:16], ip
-        vst1.16         {d2[1]},  [r5,:16], ip
-        vst1.16         {d2[3]},  [r5,:16], ip
-        vst1.16         {d3[1]},  [r5,:16], ip
-        vst1.16         {d3[3]},  [r5,:16], ip
-        beq             7f
-        vld1.64         {d0-d1},  [r4,:128]!
-        vcvt.s32.f32    q0,  q0,  #16
-        vld1.64         {d2-d3},  [r4,:128]!
-        vcvt.s32.f32    q1,  q1,  #16
-7:      vst1.16         {d4[1]},  [r5,:16], ip
-        vst1.16         {d4[3]},  [r5,:16], ip
-        vst1.16         {d5[1]},  [r5,:16], ip
-        vst1.16         {d5[3]},  [r5,:16], ip
-        vst1.16         {d6[1]},  [r5,:16], ip
-        vst1.16         {d6[3]},  [r5,:16], ip
-        vst1.16         {d7[1]},  [r5,:16], ip
-        vst1.16         {d7[3]},  [r5,:16], ip
-        bgt             6b
-        pop             {r4-r8,pc}
-8:      subs            lr,  lr,  #8
-        vst1.16         {d0[1]},  [r5,:16], ip
-        vst1.16         {d0[3]},  [r5,:16], ip
-        vst1.16         {d1[1]},  [r5,:16], ip
-        vst1.16         {d1[3]},  [r5,:16], ip
-        vst1.16         {d2[1]},  [r5,:16], ip
-        vst1.16         {d2[3]},  [r5,:16], ip
-        vst1.16         {d3[1]},  [r5,:16], ip
-        vst1.16         {d3[3]},  [r5,:16], ip
-        it              eq
-        popeq           {r4-r8,pc}
-        vld1.64         {d0-d1},  [r4,:128]!
-        vcvt.s32.f32    q0,  q0,  #16
-        vld1.64         {d2-d3},  [r4,:128]!
-        vcvt.s32.f32    q1,  q1,  #16
-        b               6b
-endfunc
-
 function ff_int32_to_float_fmul_scalar_neon, export=1
 VFP     vdup.32         q0,  d0[0]
 VFP     len     .req    r2
diff --git a/libavcodec/arm/fmtconvert_vfp_armv6.S b/libavcodec/arm/fmtconvert_vfp_armv6.S
deleted file mode 100644
index fb12de1368..0000000000
--- a/libavcodec/arm/fmtconvert_vfp_armv6.S
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright (c) 2008 Siarhei Siamashka <ssvb@users.sourceforge.net>
- *
- * This file is part of Libav.
- *
- * Libav 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.
- *
- * Libav 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 Libav; 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 optimized float to int16 conversion.
- * Assume that len is a positive number and is multiple of 8, destination
- * buffer is at least 4 bytes aligned (8 bytes alignment is better for
- * performance), little-endian byte sex.
- */
-@ void ff_float_to_int16_vfp(int16_t *dst, const float *src, int len)
-function ff_float_to_int16_vfp, export=1
-        push            {r4-r8,lr}
-        vpush           {d8-d11}
-        vldmia          r1!, {s16-s23}
-        vcvt.s32.f32    s0,  s16
-        vcvt.s32.f32    s1,  s17
-        vcvt.s32.f32    s2,  s18
-        vcvt.s32.f32    s3,  s19
-        vcvt.s32.f32    s4,  s20
-        vcvt.s32.f32    s5,  s21
-        vcvt.s32.f32    s6,  s22
-        vcvt.s32.f32    s7,  s23
-1:
-        subs            r2,  r2,  #8
-        vmov            r3,  r4,  s0, s1
-        vmov            r5,  r6,  s2, s3
-        vmov            r7,  r8,  s4, s5
-        vmov            ip,  lr,  s6, s7
-        it              gt
-        vldmiagt        r1!, {s16-s23}
-        ssat            r4,  #16, r4
-        ssat            r3,  #16, r3
-        ssat            r6,  #16, r6
-        ssat            r5,  #16, r5
-        pkhbt           r3,  r3,  r4, lsl #16
-        pkhbt           r4,  r5,  r6, lsl #16
-        itttt           gt
-        vcvtgt.s32.f32  s0,  s16
-        vcvtgt.s32.f32  s1,  s17
-        vcvtgt.s32.f32  s2,  s18
-        vcvtgt.s32.f32  s3,  s19
-        itttt           gt
-        vcvtgt.s32.f32  s4,  s20
-        vcvtgt.s32.f32  s5,  s21
-        vcvtgt.s32.f32  s6,  s22
-        vcvtgt.s32.f32  s7,  s23
-        ssat            r8,  #16, r8
-        ssat            r7,  #16, r7
-        ssat            lr,  #16, lr
-        ssat            ip,  #16, ip
-        pkhbt           r5,  r7,  r8, lsl #16
-        pkhbt           r6,  ip,  lr, lsl #16
-        stmia           r0!, {r3-r6}
-        bgt             1b
-
-        vpop            {d8-d11}
-        pop             {r4-r8,pc}
-endfunc
diff --git a/libavcodec/fmtconvert.c b/libavcodec/fmtconvert.c
index 63f62c396a..2dff704aa2 100644
--- a/libavcodec/fmtconvert.c
+++ b/libavcodec/fmtconvert.c
@@ -41,59 +41,10 @@ static void int32_to_float_fmul_array8_c(FmtConvertContext *c, float *dst,
         c->int32_to_float_fmul_scalar(&dst[i], &src[i], *mul++, 8);
 }
 
-static av_always_inline int float_to_int16_one(const float *src){
-    return av_clip_int16(lrintf(*src));
-}
-
-static void float_to_int16_c(int16_t *dst, const float *src, long len)
-{
-    int i;
-    for(i=0; i<len; i++)
-        dst[i] = float_to_int16_one(src+i);
-}
-
-static void float_to_int16_interleave_c(int16_t *dst, const float **src,
-                                        long len, int channels)
-{
-    int i,j,c;
-    if(channels==2){
-        for(i=0; i<len; i++){
-            dst[2*i]   = float_to_int16_one(src[0]+i);
-            dst[2*i+1] = float_to_int16_one(src[1]+i);
-        }
-    }else{
-        for(c=0; c<channels; c++)
-            for(i=0, j=c; i<len; i++, j+=channels)
-                dst[j] = float_to_int16_one(src[c]+i);
-    }
-}
-
-void ff_float_interleave_c(float *dst, const float **src, unsigned int len,
-                           int channels)
-{
-    int j, c;
-    unsigned int i;
-    if (channels == 2) {
-        for (i = 0; i < len; i++) {
-            dst[2*i]   = src[0][i];
-            dst[2*i+1] = src[1][i];
-        }
-    } else if (channels == 1 && len < INT_MAX / sizeof(float)) {
-        memcpy(dst, src[0], len * sizeof(float));
-    } else {
-        for (c = 0; c < channels; c++)
-            for (i = 0, j = c; i < len; i++, j += channels)
-                dst[j] = src[c][i];
-    }
-}
-
 av_cold void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx)
 {
     c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_c;
     c->int32_to_float_fmul_array8 = int32_to_float_fmul_array8_c;
-    c->float_to_int16             = float_to_int16_c;
-    c->float_to_int16_interleave  = float_to_int16_interleave_c;
-    c->float_interleave           = ff_float_interleave_c;
 
     if (ARCH_ARM) ff_fmt_convert_init_arm(c, avctx);
     if (ARCH_PPC) ff_fmt_convert_init_ppc(c, avctx);
diff --git a/libavcodec/fmtconvert.h b/libavcodec/fmtconvert.h
index bd833efec6..7de890bd6a 100644
--- a/libavcodec/fmtconvert.h
+++ b/libavcodec/fmtconvert.h
@@ -54,56 +54,8 @@ typedef struct FmtConvertContext {
                                        float *dst, const int32_t *src,
                                        const float *mul, int len);
 
-    /**
-     * Convert an array of float to an array of int16_t.
-     *
-     * Convert floats from in the range [-32768.0,32767.0] to ints
-     * without rescaling
-     *
-     * @param dst destination array of int16_t.
-     *            constraints: 16-byte aligned
-     * @param src source array of float.
-     *            constraints: 16-byte aligned
-     * @param len number of elements to convert.
-     *            constraints: multiple of 8
-     */
-    void (*float_to_int16)(int16_t *dst, const float *src, long len);
-
-    /**
-     * Convert multiple arrays of float to an interleaved array of int16_t.
-     *
-     * Convert floats from in the range [-32768.0,32767.0] to ints
-     * without rescaling
-     *
-     * @param dst destination array of interleaved int16_t.
-     *            constraints: 16-byte aligned
-     * @param src source array of float arrays, one for each channel.
-     *            constraints: 16-byte aligned
-     * @param len number of elements to convert.
-     *            constraints: multiple of 8
-     * @param channels number of channels
-     */
-    void (*float_to_int16_interleave)(int16_t *dst, const float **src,
-                                      long len, int channels);
-
-    /**
-     * Convert multiple arrays of float to an array of interleaved float.
-     *
-     * @param dst destination array of interleaved float.
-     *            constraints: 16-byte aligned
-     * @param src source array of float arrays, one for each channel.
-     *            constraints: 16-byte aligned
-     * @param len number of elements to convert.
-     *            constraints: multiple of 8
-     * @param channels number of channels
-     */
-    void (*float_interleave)(float *dst, const float **src, unsigned int len,
-                             int channels);
 } FmtConvertContext;
 
-void ff_float_interleave_c(float *dst, const float **src, unsigned int len,
-                           int channels);
-
 void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx);
 
 void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx);
diff --git a/libavcodec/ppc/fmtconvert_altivec.c b/libavcodec/ppc/fmtconvert_altivec.c
index 14aaf6bc9a..7536703ff4 100644
--- a/libavcodec/ppc/fmtconvert_altivec.c
+++ b/libavcodec/ppc/fmtconvert_altivec.c
@@ -52,113 +52,6 @@ static void int32_to_float_fmul_scalar_altivec(float *dst, const int32_t *src,
     }
 }
 
-
-static vector signed short float_to_int16_one_altivec(const float *src)
-{
-    vector float s0 = vec_ld(0, src);
-    vector float s1 = vec_ld(16, src);
-    vector signed int t0 = vec_cts(s0, 0);
-    vector signed int t1 = vec_cts(s1, 0);
-    return vec_packs(t0,t1);
-}
-
-static void float_to_int16_altivec(int16_t *dst, const float *src, long len)
-{
-    int i;
-    vector signed short d0, d1, d;
-    vector unsigned char align;
-    if (((long)dst) & 15) { //FIXME
-        for (i = 0; i < len - 7; i += 8) {
-            d0 = vec_ld(0, dst+i);
-            d  = float_to_int16_one_altivec(src + i);
-            d1 = vec_ld(15, dst+i);
-            d1 = vec_perm(d1, d0, vec_lvsl(0, dst + i));
-            align = vec_lvsr(0, dst + i);
-            d0 = vec_perm(d1, d, align);
-            d1 = vec_perm(d, d1, align);
-            vec_st(d0,  0, dst + i);
-            vec_st(d1, 15, dst + i);
-        }
-    } else {
-        for (i = 0; i < len - 7; i += 8) {
-            d = float_to_int16_one_altivec(src + i);
-            vec_st(d, 0, dst + i);
-        }
-    }
-}
-
-#define VSTE_INC(dst, v, elem, inc) do {                \
-        vector signed short s = vec_splat(v, elem);     \
-        vec_ste(s, 0, dst);                             \
-        dst += inc;                                     \
-    } while (0)
-
-static void float_to_int16_stride_altivec(int16_t *dst, const float *src,
-                                          long len, int stride)
-{
-    int i;
-    vector signed short d;
-
-    for (i = 0; i < len - 7; i += 8) {
-        d = float_to_int16_one_altivec(src + i);
-        VSTE_INC(dst, d, 0, stride);
-        VSTE_INC(dst, d, 1, stride);
-        VSTE_INC(dst, d, 2, stride);
-        VSTE_INC(dst, d, 3, stride);
-        VSTE_INC(dst, d, 4, stride);
-        VSTE_INC(dst, d, 5, stride);
-        VSTE_INC(dst, d, 6, stride);
-        VSTE_INC(dst, d, 7, stride);
-    }
-}
-
-static void float_to_int16_interleave_altivec(int16_t *dst, const float **src,
-                                              long len, int channels)
-{
-    int i;
-    vector signed short d0, d1, d2, c0, c1, t0, t1;
-    vector unsigned char align;
-
-    if (channels == 1)
-        float_to_int16_altivec(dst, src[0], len);
-    else {
-        if (channels == 2) {
-            if (((long)dst) & 15) {
-                for (i = 0; i < len - 7; i += 8) {
-                    d0 = vec_ld(0,  dst + i);
-                    t0 = float_to_int16_one_altivec(src[0] + i);
-                    d1 = vec_ld(31, dst + i);
-                    t1 = float_to_int16_one_altivec(src[1] + i);
-                    c0 = vec_mergeh(t0, t1);
-                    c1 = vec_mergel(t0, t1);
-                    d2 = vec_perm(d1, d0, vec_lvsl(0, dst + i));
-                    align = vec_lvsr(0, dst + i);
-                    d0 = vec_perm(d2, c0, align);
-                    d1 = vec_perm(c0, c1, align);
-                    vec_st(d0,  0, dst + i);
-                    d0 = vec_perm(c1, d2, align);
-                    vec_st(d1, 15, dst + i);
-                    vec_st(d0, 31, dst + i);
-                    dst += 8;
-                }
-            } else {
-                for (i = 0; i < len - 7; i += 8) {
-                    t0 = float_to_int16_one_altivec(src[0] + i);
-                    t1 = float_to_int16_one_altivec(src[1] + i);
-                    d0 = vec_mergeh(t0, t1);
-                    d1 = vec_mergel(t0, t1);
-                    vec_st(d0,  0, dst + i);
-                    vec_st(d1, 16, dst + i);
-                    dst += 8;
-                }
-            }
-        } else {
-            for (i = 0; i < channels; i++)
-                float_to_int16_stride_altivec(dst + i, src[i], len, channels);
-        }
-    }
-}
-
 #endif /* HAVE_ALTIVEC */
 
 av_cold void ff_fmt_convert_init_ppc(FmtConvertContext *c,
@@ -169,9 +62,5 @@ av_cold void ff_fmt_convert_init_ppc(FmtConvertContext *c,
         return;
 
     c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_altivec;
-    if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
-        c->float_to_int16 = float_to_int16_altivec;
-        c->float_to_int16_interleave = float_to_int16_interleave_altivec;
-    }
 #endif /* HAVE_ALTIVEC */
 }
diff --git a/libavcodec/x86/fmtconvert.asm b/libavcodec/x86/fmtconvert.asm
index 818437672f..e82f14923a 100644
--- a/libavcodec/x86/fmtconvert.asm
+++ b/libavcodec/x86/fmtconvert.asm
@@ -23,14 +23,6 @@
 
 SECTION_TEXT
 
-%macro CVTPS2PI 2
-%if cpuflag(sse)
-    cvtps2pi %1, %2
-%elif cpuflag(3dnow)
-    pf2id %1, %2
-%endif
-%endmacro
-
 ;------------------------------------------------------------------------------
 ; void ff_int32_to_float_fmul_scalar(float *dst, const int32_t *src, float mul,
 ;                                    int len);
@@ -76,357 +68,3 @@ INIT_XMM sse
 INT32_TO_FLOAT_FMUL_SCALAR 5
 INIT_XMM sse2
 INT32_TO_FLOAT_FMUL_SCALAR 3
-
-
-;------------------------------------------------------------------------------
-; void ff_float_to_int16(int16_t *dst, const float *src, long len);
-;------------------------------------------------------------------------------
-%macro FLOAT_TO_INT16 1
-cglobal float_to_int16, 3, 3, %1, dst, src, len
-    add       lenq, lenq
-    lea       srcq, [srcq+2*lenq]
-    add       dstq, lenq
-    neg       lenq
-.loop:
-%if cpuflag(sse2)
-    cvtps2dq    m0, [srcq+2*lenq   ]
-    cvtps2dq    m1, [srcq+2*lenq+16]
-    packssdw    m0, m1
-    mova  [dstq+lenq], m0
-%else
-    CVTPS2PI    m0, [srcq+2*lenq   ]
-    CVTPS2PI    m1, [srcq+2*lenq+ 8]
-    CVTPS2PI    m2, [srcq+2*lenq+16]
-    CVTPS2PI    m3, [srcq+2*lenq+24]
-    packssdw    m0, m1
-    packssdw    m2, m3
-    mova  [dstq+lenq  ], m0
-    mova  [dstq+lenq+8], m2
-%endif
-    add       lenq, 16
-    js .loop
-%if mmsize == 8
-    emms
-%endif
-    REP_RET
-%endmacro
-
-INIT_XMM sse2
-FLOAT_TO_INT16 2
-INIT_MMX sse
-FLOAT_TO_INT16 0
-INIT_MMX 3dnow
-FLOAT_TO_INT16 0
-
-;------------------------------------------------------------------------------
-; void ff_float_to_int16_step(int16_t *dst, const float *src, long len, long step);
-;------------------------------------------------------------------------------
-%macro FLOAT_TO_INT16_STEP 1
-cglobal float_to_int16_step, 4, 7, %1, dst, src, len, step, step3, v1, v2
-    add       lenq, lenq
-    lea       srcq, [srcq+2*lenq]
-    lea     step3q, [stepq*3]
-    neg       lenq
-.loop:
-%if cpuflag(sse2)
-    cvtps2dq    m0, [srcq+2*lenq   ]
-    cvtps2dq    m1, [srcq+2*lenq+16]
-    packssdw    m0, m1
-    movd       v1d, m0
-    psrldq      m0, 4
-    movd       v2d, m0
-    psrldq      m0, 4
-    mov     [dstq], v1w
-    mov  [dstq+stepq*4], v2w
-    shr        v1d, 16
-    shr        v2d, 16
-    mov  [dstq+stepq*2], v1w
-    mov  [dstq+step3q*2], v2w
-    lea       dstq, [dstq+stepq*8]
-    movd       v1d, m0
-    psrldq      m0, 4
-    movd       v2d, m0
-    mov     [dstq], v1w
-    mov  [dstq+stepq*4], v2w
-    shr        v1d, 16
-    shr        v2d, 16
-    mov  [dstq+stepq*2], v1w
-    mov  [dstq+step3q*2], v2w
-    lea       dstq, [dstq+stepq*8]
-%else
-    CVTPS2PI    m0, [srcq+2*lenq   ]
-    CVTPS2PI    m1, [srcq+2*lenq+ 8]
-    CVTPS2PI    m2, [srcq+2*lenq+16]
-    CVTPS2PI    m3, [srcq+2*lenq+24]
-    packssdw    m0, m1
-    packssdw    m2, m3
-    movd       v1d, m0
-    psrlq       m0, 32
-    movd       v2d, m0
-    mov     [dstq], v1w
-    mov  [dstq+stepq*4], v2w
-    shr        v1d, 16
-    shr        v2d, 16
-    mov  [dstq+stepq*2], v1w
-    mov  [dstq+step3q*2], v2w
-    lea       dstq, [dstq+stepq*8]
-    movd       v1d, m2
-    psrlq       m2, 32
-    movd       v2d, m2
-    mov     [dstq], v1w
-    mov  [dstq+stepq*4], v2w
-    shr        v1d, 16
-    shr        v2d, 16
-    mov  [dstq+stepq*2], v1w
-    mov  [dstq+step3q*2], v2w
-    lea       dstq, [dstq+stepq*8]
-%endif
-    add       lenq, 16
-    js .loop
-%if mmsize == 8
-    emms
-%endif
-    REP_RET
-%endmacro
-
-INIT_XMM sse2
-FLOAT_TO_INT16_STEP 2
-INIT_MMX sse
-FLOAT_TO_INT16_STEP 0
-INIT_MMX 3dnow
-FLOAT_TO_INT16_STEP 0
-
-;-------------------------------------------------------------------------------
-; void ff_float_to_int16_interleave2(int16_t *dst, const float **src, long len);
-;-------------------------------------------------------------------------------
-%macro FLOAT_TO_INT16_INTERLEAVE2 0
-cglobal float_to_int16_interleave2, 3, 4, 2, dst, src0, src1, len
-    lea      lenq, [4*r2q]
-    mov     src1q, [src0q+gprsize]
-    mov     src0q, [src0q]
-    add      dstq, lenq
-    add     src0q, lenq
-    add     src1q, lenq
-    neg      lenq
-.loop:
-%if cpuflag(sse2)
-    cvtps2dq   m0, [src0q+lenq]
-    cvtps2dq   m1, [src1q+lenq]
-    packssdw   m0, m1
-    movhlps    m1, m0
-    punpcklwd  m0, m1
-    mova  [dstq+lenq], m0
-%else
-    CVTPS2PI   m0, [src0q+lenq  ]
-    CVTPS2PI   m1, [src0q+lenq+8]
-    CVTPS2PI   m2, [src1q+lenq  ]
-    CVTPS2PI   m3, [src1q+lenq+8]
-    packssdw   m0, m1
-    packssdw   m2, m3
-    mova       m1, m0
-    punpcklwd  m0, m2
-    punpckhwd  m1, m2
-    mova  [dstq+lenq  ], m0
-    mova  [dstq+lenq+8], m1
-%endif
-    add      lenq, 16
-    js .loop
-%if mmsize == 8
-    emms
-%endif
-    REP_RET
-%endmacro
-
-INIT_MMX 3dnow
-FLOAT_TO_INT16_INTERLEAVE2
-INIT_MMX sse
-FLOAT_TO_INT16_INTERLEAVE2
-INIT_XMM sse2
-FLOAT_TO_INT16_INTERLEAVE2
-
-;-----------------------------------------------------------------------------
-; void ff_float_to_int16_interleave6(int16_t *dst, const float **src, int len)
-;-----------------------------------------------------------------------------
-%macro FLOAT_TO_INT16_INTERLEAVE6 0
-cglobal float_to_int16_interleave6, 2, 8, 0, dst, src, src1, src2, src3, src4, src5, len
-%if ARCH_X86_64
-    mov     lend, r2d
-%else
-    %define lend dword r2m
-%endif
-    mov src1q, [srcq+1*gprsize]
-    mov src2q, [srcq+2*gprsize]
-    mov src3q, [srcq+3*gprsize]
-    mov src4q, [srcq+4*gprsize]
-    mov src5q, [srcq+5*gprsize]
-    mov srcq,  [srcq]
-    sub src1q, srcq
-    sub src2q, srcq
-    sub src3q, srcq
-    sub src4q, srcq
-    sub src5q, srcq
-.loop:
-    CVTPS2PI   mm0, [srcq]
-    CVTPS2PI   mm1, [srcq+src1q]
-    CVTPS2PI   mm2, [srcq+src2q]
-    CVTPS2PI   mm3, [srcq+src3q]
-    CVTPS2PI   mm4, [srcq+src4q]
-    CVTPS2PI   mm5, [srcq+src5q]
-    packssdw   mm0, mm3
-    packssdw   mm1, mm4
-    packssdw   mm2, mm5
-    PSWAPD     mm3, mm0
-    punpcklwd  mm0, mm1
-    punpckhwd  mm1, mm2
-    punpcklwd  mm2, mm3
-    PSWAPD     mm3, mm0
-    punpckldq  mm0, mm2
-    punpckhdq  mm2, mm1
-    punpckldq  mm1, mm3
-    movq [dstq   ], mm0
-    movq [dstq+16], mm2
-    movq [dstq+ 8], mm1
-    add srcq, 8
-    add dstq, 24
-    sub lend, 2
-    jg .loop
-    emms
-    RET
-%endmacro ; FLOAT_TO_INT16_INTERLEAVE6
-
-INIT_MMX sse
-FLOAT_TO_INT16_INTERLEAVE6
-INIT_MMX 3dnow
-FLOAT_TO_INT16_INTERLEAVE6
-INIT_MMX 3dnowext
-FLOAT_TO_INT16_INTERLEAVE6
-
-;-----------------------------------------------------------------------------
-; void ff_float_interleave6(float *dst, const float **src, unsigned int len);
-;-----------------------------------------------------------------------------
-
-%macro FLOAT_INTERLEAVE6 1
-cglobal float_interleave6, 2, 8, %1, dst, src, src1, src2, src3, src4, src5, len
-%if ARCH_X86_64
-    mov     lend, r2d
-%else
-    %define lend dword r2m
-%endif
-    mov    src1q, [srcq+1*gprsize]
-    mov    src2q, [srcq+2*gprsize]
-    mov    src3q, [srcq+3*gprsize]
-    mov    src4q, [srcq+4*gprsize]
-    mov    src5q, [srcq+5*gprsize]
-    mov     srcq, [srcq]
-    sub    src1q, srcq
-    sub    src2q, srcq
-    sub    src3q, srcq
-    sub    src4q, srcq
-    sub    src5q, srcq
-.loop:
-%if cpuflag(sse)
-    movaps    m0, [srcq]
-    movaps    m1, [srcq+src1q]
-    movaps    m2, [srcq+src2q]
-    movaps    m3, [srcq+src3q]
-    movaps    m4, [srcq+src4q]
-    movaps    m5, [srcq+src5q]
-
-    SBUTTERFLYPS 0, 1, 6
-    SBUTTERFLYPS 2, 3, 6
-    SBUTTERFLYPS 4, 5, 6
-
-    movaps    m6, m4
-    shufps    m4, m0, 0xe4
-    movlhps   m0, m2
-    movhlps   m6, m2
-    movaps [dstq   ], m0
-    movaps [dstq+16], m4
-    movaps [dstq+32], m6
-
-    movaps    m6, m5
-    shufps    m5, m1, 0xe4
-    movlhps   m1, m3
-    movhlps   m6, m3
-    movaps [dstq+48], m1
-    movaps [dstq+64], m5
-    movaps [dstq+80], m6
-%else ; mmx
-    movq       m0, [srcq]
-    movq       m1, [srcq+src1q]
-    movq       m2, [srcq+src2q]
-    movq       m3, [srcq+src3q]
-    movq       m4, [srcq+src4q]
-    movq       m5, [srcq+src5q]
-
-    SBUTTERFLY dq, 0, 1, 6
-    SBUTTERFLY dq, 2, 3, 6
-    SBUTTERFLY dq, 4, 5, 6
-    movq [dstq   ], m0
-    movq [dstq+ 8], m2
-    movq [dstq+16], m4
-    movq [dstq+24], m1
-    movq [dstq+32], m3
-    movq [dstq+40], m5
-%endif
-    add      srcq, mmsize
-    add      dstq, mmsize*6
-    sub      lend, mmsize/4
-    jg .loop
-%if mmsize == 8
-    emms
-%endif
-    REP_RET
-%endmacro
-
-INIT_MMX mmx
-FLOAT_INTERLEAVE6 0
-INIT_XMM sse
-FLOAT_INTERLEAVE6 7
-
-;-----------------------------------------------------------------------------
-; void ff_float_interleave2(float *dst, const float **src, unsigned int len);
-;-----------------------------------------------------------------------------
-
-%macro FLOAT_INTERLEAVE2 1
-cglobal float_interleave2, 3, 4, %1, dst, src, len, src1
-    mov     src1q, [srcq+gprsize]
-    mov      srcq, [srcq        ]
-    sub     src1q, srcq
-.loop:
-    mova       m0, [srcq             ]
-    mova       m1, [srcq+src1q       ]
-    mova       m3, [srcq      +mmsize]
-    mova       m4, [srcq+src1q+mmsize]
-
-    mova       m2, m0
-    PUNPCKLDQ  m0, m1
-    PUNPCKHDQ  m2, m1
-
-    mova       m1, m3
-    PUNPCKLDQ  m3, m4
-    PUNPCKHDQ  m1, m4
-
-    mova  [dstq         ], m0
-    mova  [dstq+1*mmsize], m2
-    mova  [dstq+2*mmsize], m3
-    mova  [dstq+3*mmsize], m1
-
-    add      srcq, mmsize*2
-    add      dstq, mmsize*4
-    sub      lend, mmsize/2
-    jg .loop
-%if mmsize == 8
-    emms
-%endif
-    REP_RET
-%endmacro
-
-INIT_MMX mmx
-%define PUNPCKLDQ punpckldq
-%define PUNPCKHDQ punpckhdq
-FLOAT_INTERLEAVE2 0
-INIT_XMM sse
-%define PUNPCKLDQ unpcklps
-%define PUNPCKHDQ unpckhps
-FLOAT_INTERLEAVE2 5
diff --git a/libavcodec/x86/fmtconvert_init.c b/libavcodec/x86/fmtconvert_init.c
index 3d75df92bd..1871b477bb 100644
--- a/libavcodec/x86/fmtconvert_init.c
+++ b/libavcodec/x86/fmtconvert_init.c
@@ -33,84 +33,6 @@
 void ff_int32_to_float_fmul_scalar_sse (float *dst, const int32_t *src, float mul, int len);
 void ff_int32_to_float_fmul_scalar_sse2(float *dst, const int32_t *src, float mul, int len);
 
-void ff_float_to_int16_3dnow(int16_t *dst, const float *src, long len);
-void ff_float_to_int16_sse  (int16_t *dst, const float *src, long len);
-void ff_float_to_int16_sse2 (int16_t *dst, const float *src, long len);
-
-void ff_float_to_int16_step_3dnow(int16_t *dst, const float *src, long len, long step);
-void ff_float_to_int16_step_sse  (int16_t *dst, const float *src, long len, long step);
-void ff_float_to_int16_step_sse2 (int16_t *dst, const float *src, long len, long step);
-
-void ff_float_to_int16_interleave2_3dnow(int16_t *dst, const float **src, long len);
-void ff_float_to_int16_interleave2_sse  (int16_t *dst, const float **src, long len);
-void ff_float_to_int16_interleave2_sse2 (int16_t *dst, const float **src, long len);
-
-void ff_float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len);
-void ff_float_to_int16_interleave6_3dnow(int16_t *dst, const float **src, int len);
-void ff_float_to_int16_interleave6_3dnowext(int16_t *dst, const float **src, int len);
-
-#define ff_float_to_int16_interleave6_sse2 ff_float_to_int16_interleave6_sse
-
-#define FLOAT_TO_INT16_INTERLEAVE(cpu) \
-/* gcc pessimizes register allocation if this is in the same function as float_to_int16_interleave_sse2*/\
-static av_noinline void float_to_int16_interleave_misc_##cpu(int16_t *dst, const float **src, long len, int channels){\
-    int c;\
-    for(c=0; c<channels; c++){\
-        ff_float_to_int16_step_##cpu(dst+c, src[c], len, channels);\
-    }\
-}\
-\
-static void float_to_int16_interleave_##cpu(int16_t *dst, const float **src, long len, int channels){\
-    if(channels==1)\
-        ff_float_to_int16_##cpu(dst, src[0], len);\
-    else if(channels==2){\
-        ff_float_to_int16_interleave2_##cpu(dst, src, len);\
-    }else if(channels==6){\
-        ff_float_to_int16_interleave6_##cpu(dst, src, len);\
-    }else\
-        float_to_int16_interleave_misc_##cpu(dst, src, len, channels);\
-}
-
-FLOAT_TO_INT16_INTERLEAVE(3dnow)
-FLOAT_TO_INT16_INTERLEAVE(sse)
-FLOAT_TO_INT16_INTERLEAVE(sse2)
-
-static void float_to_int16_interleave_3dnowext(int16_t *dst, const float **src,
-                                               long len, int channels)
-{
-    if(channels==6)
-        ff_float_to_int16_interleave6_3dnowext(dst, src, len);
-    else
-        float_to_int16_interleave_3dnow(dst, src, len, channels);
-}
-
-void ff_float_interleave2_mmx(float *dst, const float **src, unsigned int len);
-void ff_float_interleave2_sse(float *dst, const float **src, unsigned int len);
-
-void ff_float_interleave6_mmx(float *dst, const float **src, unsigned int len);
-void ff_float_interleave6_sse(float *dst, const float **src, unsigned int len);
-
-static void float_interleave_mmx(float *dst, const float **src,
-                                 unsigned int len, int channels)
-{
-    if (channels == 2) {
-        ff_float_interleave2_mmx(dst, src, len);
-    } else if (channels == 6)
-        ff_float_interleave6_mmx(dst, src, len);
-    else
-        ff_float_interleave_c(dst, src, len, channels);
-}
-
-static void float_interleave_sse(float *dst, const float **src,
-                                 unsigned int len, int channels)
-{
-    if (channels == 2) {
-        ff_float_interleave2_sse(dst, src, len);
-    } else if (channels == 6)
-        ff_float_interleave6_sse(dst, src, len);
-    else
-        ff_float_interleave_c(dst, src, len, channels);
-}
 #endif /* HAVE_YASM */
 
 av_cold void ff_fmt_convert_init_x86(FmtConvertContext *c, AVCodecContext *avctx)
@@ -118,30 +40,11 @@ av_cold void ff_fmt_convert_init_x86(FmtConvertContext *c, AVCodecContext *avctx
 #if HAVE_YASM
     int cpu_flags = av_get_cpu_flags();
 
-    if (EXTERNAL_MMX(cpu_flags)) {
-        c->float_interleave = float_interleave_mmx;
-    }
-    if (EXTERNAL_AMD3DNOW(cpu_flags)) {
-        if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
-            c->float_to_int16            = ff_float_to_int16_3dnow;
-            c->float_to_int16_interleave = float_to_int16_interleave_3dnow;
-        }
-    }
-    if (EXTERNAL_AMD3DNOWEXT(cpu_flags)) {
-        if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
-            c->float_to_int16_interleave = float_to_int16_interleave_3dnowext;
-        }
-    }
     if (EXTERNAL_SSE(cpu_flags)) {
         c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse;
-        c->float_to_int16             = ff_float_to_int16_sse;
-        c->float_to_int16_interleave  = float_to_int16_interleave_sse;
-        c->float_interleave           = float_interleave_sse;
     }
     if (EXTERNAL_SSE2(cpu_flags)) {
         c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse2;
-        c->float_to_int16             = ff_float_to_int16_sse2;
-        c->float_to_int16_interleave  = float_to_int16_interleave_sse2;
     }
 #endif /* HAVE_YASM */
 }