Separate format conversion DSP functions from DSPContext.

This will be beneficial for use with the audio conversion API without
requiring it to depend on all of dsputil.

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit c73d99e672329c8f2df290736ffc474c360ac4ae)

1 files changed, 0 insertions, 220 deletions

diff --git a/libavcodec/x86/dsputil_mmx.c b/libavcodec/x86/dsputil_mmx.c
index 2eb7d85f14..39bf3f2936 100644
--- a/libavcodec/x86/dsputil_mmx.c
+++ b/libavcodec/x86/dsputil_mmx.c
@@ -2349,50 +2349,6 @@ static void vector_fmul_window_sse(float *dst, const float *src0, const float *s
 }
 #endif /* HAVE_6REGS */
 
-static void int32_to_float_fmul_scalar_sse(float *dst, const int *src, float mul, int len)
-{
-    x86_reg i = -4*len;
-    __asm__ volatile(
-        "movss  %3, %%xmm4 \n"
-        "shufps $0, %%xmm4, %%xmm4 \n"
-        "1: \n"
-        "cvtpi2ps   (%2,%0), %%xmm0 \n"
-        "cvtpi2ps  8(%2,%0), %%xmm1 \n"
-        "cvtpi2ps 16(%2,%0), %%xmm2 \n"
-        "cvtpi2ps 24(%2,%0), %%xmm3 \n"
-        "movlhps  %%xmm1,    %%xmm0 \n"
-        "movlhps  %%xmm3,    %%xmm2 \n"
-        "mulps    %%xmm4,    %%xmm0 \n"
-        "mulps    %%xmm4,    %%xmm2 \n"
-        "movaps   %%xmm0,   (%1,%0) \n"
-        "movaps   %%xmm2, 16(%1,%0) \n"
-        "add $32, %0 \n"
-        "jl 1b \n"
-        :"+r"(i)
-        :"r"(dst+len), "r"(src+len), "m"(mul)
-    );
-}
-
-static void int32_to_float_fmul_scalar_sse2(float *dst, const int *src, float mul, int len)
-{
-    x86_reg i = -4*len;
-    __asm__ volatile(
-        "movss  %3, %%xmm4 \n"
-        "shufps $0, %%xmm4, %%xmm4 \n"
-        "1: \n"
-        "cvtdq2ps   (%2,%0), %%xmm0 \n"
-        "cvtdq2ps 16(%2,%0), %%xmm1 \n"
-        "mulps    %%xmm4,    %%xmm0 \n"
-        "mulps    %%xmm4,    %%xmm1 \n"
-        "movaps   %%xmm0,   (%1,%0) \n"
-        "movaps   %%xmm1, 16(%1,%0) \n"
-        "add $32, %0 \n"
-        "jl 1b \n"
-        :"+r"(i)
-        :"r"(dst+len), "r"(src+len), "m"(mul)
-    );
-}
-
 static void vector_clipf_sse(float *dst, const float *src, float min, float max,
                              int len)
 {
@@ -2427,70 +2383,6 @@ static void vector_clipf_sse(float *dst, const float *src, float min, float max,
     );
 }
 
-static void float_to_int16_3dnow(int16_t *dst, const float *src, long len){
-    x86_reg reglen = len;
-    // not bit-exact: pf2id uses different rounding than C and SSE
-    __asm__ volatile(
-        "add        %0          , %0        \n\t"
-        "lea         (%2,%0,2)  , %2        \n\t"
-        "add        %0          , %1        \n\t"
-        "neg        %0                      \n\t"
-        "1:                                 \n\t"
-        "pf2id       (%2,%0,2)  , %%mm0     \n\t"
-        "pf2id      8(%2,%0,2)  , %%mm1     \n\t"
-        "pf2id     16(%2,%0,2)  , %%mm2     \n\t"
-        "pf2id     24(%2,%0,2)  , %%mm3     \n\t"
-        "packssdw   %%mm1       , %%mm0     \n\t"
-        "packssdw   %%mm3       , %%mm2     \n\t"
-        "movq       %%mm0       ,  (%1,%0)  \n\t"
-        "movq       %%mm2       , 8(%1,%0)  \n\t"
-        "add        $16         , %0        \n\t"
-        " js 1b                             \n\t"
-        "femms                              \n\t"
-        :"+r"(reglen), "+r"(dst), "+r"(src)
-    );
-}
-static void float_to_int16_sse(int16_t *dst, const float *src, long len){
-    x86_reg reglen = len;
-    __asm__ volatile(
-        "add        %0          , %0        \n\t"
-        "lea         (%2,%0,2)  , %2        \n\t"
-        "add        %0          , %1        \n\t"
-        "neg        %0                      \n\t"
-        "1:                                 \n\t"
-        "cvtps2pi    (%2,%0,2)  , %%mm0     \n\t"
-        "cvtps2pi   8(%2,%0,2)  , %%mm1     \n\t"
-        "cvtps2pi  16(%2,%0,2)  , %%mm2     \n\t"
-        "cvtps2pi  24(%2,%0,2)  , %%mm3     \n\t"
-        "packssdw   %%mm1       , %%mm0     \n\t"
-        "packssdw   %%mm3       , %%mm2     \n\t"
-        "movq       %%mm0       ,  (%1,%0)  \n\t"
-        "movq       %%mm2       , 8(%1,%0)  \n\t"
-        "add        $16         , %0        \n\t"
-        " js 1b                             \n\t"
-        "emms                               \n\t"
-        :"+r"(reglen), "+r"(dst), "+r"(src)
-    );
-}
-
-static void float_to_int16_sse2(int16_t *dst, const float *src, long len){
-    x86_reg reglen = len;
-    __asm__ volatile(
-        "add        %0          , %0        \n\t"
-        "lea         (%2,%0,2)  , %2        \n\t"
-        "add        %0          , %1        \n\t"
-        "neg        %0                      \n\t"
-        "1:                                 \n\t"
-        "cvtps2dq    (%2,%0,2)  , %%xmm0    \n\t"
-        "cvtps2dq  16(%2,%0,2)  , %%xmm1    \n\t"
-        "packssdw   %%xmm1      , %%xmm0    \n\t"
-        "movdqa     %%xmm0      ,  (%1,%0)  \n\t"
-        "add        $16         , %0        \n\t"
-        " js 1b                             \n\t"
-        :"+r"(reglen), "+r"(dst), "+r"(src)
-    );
-}
-
 void ff_vp3_idct_mmx(int16_t *input_data);
 void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, DCTELEM *block);
 void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, DCTELEM *block);
@@ -2504,9 +2396,6 @@ void ff_vp3_idct_sse2(int16_t *input_data);
 void ff_vp3_idct_put_sse2(uint8_t *dest, int line_size, DCTELEM *block);
 void ff_vp3_idct_add_sse2(uint8_t *dest, int line_size, DCTELEM *block);
 
-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_3dn2(int16_t *dst, const float **src, int len);
 int32_t ff_scalarproduct_int16_mmx2(const int16_t *v1, const int16_t *v2, int order, int shift);
 int32_t ff_scalarproduct_int16_sse2(const int16_t *v1, const int16_t *v2, int order, int shift);
 int32_t ff_scalarproduct_and_madd_int16_mmx2(int16_t *v1, const int16_t *v2, const int16_t *v3, int order, int mul);
@@ -2516,102 +2405,6 @@ void ff_add_hfyu_median_prediction_mmx2(uint8_t *dst, const uint8_t *top, const
 int  ff_add_hfyu_left_prediction_ssse3(uint8_t *dst, const uint8_t *src, int w, int left);
 int  ff_add_hfyu_left_prediction_sse4(uint8_t *dst, const uint8_t *src, int w, int left);
 
-#if !HAVE_YASM
-#define ff_float_to_int16_interleave6_sse(a,b,c)   float_to_int16_interleave_misc_sse(a,b,c,6)
-#define ff_float_to_int16_interleave6_3dnow(a,b,c) float_to_int16_interleave_misc_3dnow(a,b,c,6)
-#define ff_float_to_int16_interleave6_3dn2(a,b,c)  float_to_int16_interleave_misc_3dnow(a,b,c,6)
-#endif
-#define ff_float_to_int16_interleave6_sse2 ff_float_to_int16_interleave6_sse
-
-#define FLOAT_TO_INT16_INTERLEAVE(cpu, body) \
-/* 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){\
-    DECLARE_ALIGNED(16, int16_t, tmp)[len];\
-    int i,j,c;\
-    for(c=0; c<channels; c++){\
-        float_to_int16_##cpu(tmp, src[c], len);\
-        for(i=0, j=c; i<len; i++, j+=channels)\
-            dst[j] = tmp[i];\
-    }\
-}\
-\
-static void float_to_int16_interleave_##cpu(int16_t *dst, const float **src, long len, int channels){\
-    if(channels==1)\
-        float_to_int16_##cpu(dst, src[0], len);\
-    else if(channels==2){\
-        x86_reg reglen = len; \
-        const float *src0 = src[0];\
-        const float *src1 = src[1];\
-        __asm__ volatile(\
-            "shl $2, %0 \n"\
-            "add %0, %1 \n"\
-            "add %0, %2 \n"\
-            "add %0, %3 \n"\
-            "neg %0 \n"\
-            body\
-            :"+r"(reglen), "+r"(dst), "+r"(src0), "+r"(src1)\
-        );\
-    }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,
-    "1:                         \n"
-    "pf2id     (%2,%0), %%mm0   \n"
-    "pf2id    8(%2,%0), %%mm1   \n"
-    "pf2id     (%3,%0), %%mm2   \n"
-    "pf2id    8(%3,%0), %%mm3   \n"
-    "packssdw    %%mm1, %%mm0   \n"
-    "packssdw    %%mm3, %%mm2   \n"
-    "movq        %%mm0, %%mm1   \n"
-    "punpcklwd   %%mm2, %%mm0   \n"
-    "punpckhwd   %%mm2, %%mm1   \n"
-    "movq        %%mm0,  (%1,%0)\n"
-    "movq        %%mm1, 8(%1,%0)\n"
-    "add $16, %0                \n"
-    "js 1b                      \n"
-    "femms                      \n"
-)
-
-FLOAT_TO_INT16_INTERLEAVE(sse,
-    "1:                         \n"
-    "cvtps2pi  (%2,%0), %%mm0   \n"
-    "cvtps2pi 8(%2,%0), %%mm1   \n"
-    "cvtps2pi  (%3,%0), %%mm2   \n"
-    "cvtps2pi 8(%3,%0), %%mm3   \n"
-    "packssdw    %%mm1, %%mm0   \n"
-    "packssdw    %%mm3, %%mm2   \n"
-    "movq        %%mm0, %%mm1   \n"
-    "punpcklwd   %%mm2, %%mm0   \n"
-    "punpckhwd   %%mm2, %%mm1   \n"
-    "movq        %%mm0,  (%1,%0)\n"
-    "movq        %%mm1, 8(%1,%0)\n"
-    "add $16, %0                \n"
-    "js 1b                      \n"
-    "emms                       \n"
-)
-
-FLOAT_TO_INT16_INTERLEAVE(sse2,
-    "1:                         \n"
-    "cvtps2dq  (%2,%0), %%xmm0  \n"
-    "cvtps2dq  (%3,%0), %%xmm1  \n"
-    "packssdw   %%xmm1, %%xmm0  \n"
-    "movhlps    %%xmm0, %%xmm1  \n"
-    "punpcklwd  %%xmm1, %%xmm0  \n"
-    "movdqa     %%xmm0, (%1,%0) \n"
-    "add $16, %0                \n"
-    "js 1b                      \n"
-)
-
-static void float_to_int16_interleave_3dn2(int16_t *dst, const float **src, long len, int channels){
-    if(channels==6)
-        ff_float_to_int16_interleave6_3dn2(dst, src, len);
-    else
-        float_to_int16_interleave_3dnow(dst, src, len, channels);
-}
-
 float ff_scalarproduct_float_sse(const float *v1, const float *v2, int order);
 
 void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
@@ -2968,19 +2761,12 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
         if(mm_flags & AV_CPU_FLAG_3DNOW){
             c->vorbis_inverse_coupling = vorbis_inverse_coupling_3dnow;
             c->vector_fmul = vector_fmul_3dnow;
-            if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
-                c->float_to_int16 = float_to_int16_3dnow;
-                c->float_to_int16_interleave = float_to_int16_interleave_3dnow;
-            }
         }
         if(mm_flags & AV_CPU_FLAG_3DNOWEXT){
             c->vector_fmul_reverse = vector_fmul_reverse_3dnow2;
 #if HAVE_6REGS
             c->vector_fmul_window = vector_fmul_window_3dnow2;
 #endif
-            if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
-                c->float_to_int16_interleave = float_to_int16_interleave_3dn2;
-            }
         }
         if(mm_flags & AV_CPU_FLAG_MMX2){
 #if HAVE_YASM
@@ -2997,10 +2783,7 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
 #if HAVE_6REGS
             c->vector_fmul_window = vector_fmul_window_sse;
 #endif
-            c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_sse;
             c->vector_clipf = vector_clipf_sse;
-            c->float_to_int16 = float_to_int16_sse;
-            c->float_to_int16_interleave = float_to_int16_interleave_sse;
 #if HAVE_YASM
             c->scalarproduct_float = ff_scalarproduct_float_sse;
 #endif
@@ -3008,9 +2791,6 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
         if(mm_flags & AV_CPU_FLAG_3DNOW)
             c->vector_fmul_add = vector_fmul_add_3dnow; // faster than sse
         if(mm_flags & AV_CPU_FLAG_SSE2){
-            c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_sse2;
-            c->float_to_int16 = float_to_int16_sse2;
-            c->float_to_int16_interleave = float_to_int16_interleave_sse2;
 #if HAVE_YASM
             c->scalarproduct_int16 = ff_scalarproduct_int16_sse2;
             c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_sse2;