dsputil: Split off IDCT bits into their own context
[ffmpeg.git] / libavcodec / x86 / dsputil_init.c
index 74dab48..adc7aa9 100644 (file)
 #include "libavutil/x86/cpu.h"
 #include "libavcodec/avcodec.h"
 #include "libavcodec/dsputil.h"
-#include "libavcodec/simple_idct.h"
 #include "dsputil_x86.h"
-#include "idct_xvid.h"
-
-/* Input permutation for the simple_idct_mmx */
-static const uint8_t simple_mmx_permutation[64] = {
-    0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D,
-    0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D,
-    0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D,
-    0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F,
-    0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F,
-    0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D,
-    0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F,
-    0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
-};
-
-static const uint8_t idct_sse2_row_perm[8] = { 0, 4, 1, 5, 2, 6, 3, 7 };
-
-av_cold int ff_init_scantable_permutation_x86(uint8_t *idct_permutation,
-                                              int idct_permutation_type)
-{
-    int i;
-
-    switch (idct_permutation_type) {
-    case FF_SIMPLE_IDCT_PERM:
-        for (i = 0; i < 64; i++)
-            idct_permutation[i] = simple_mmx_permutation[i];
-        return 1;
-    case FF_SSE2_IDCT_PERM:
-        for (i = 0; i < 64; i++)
-            idct_permutation[i] = (i & 0x38) | idct_sse2_row_perm[i & 7];
-        return 1;
-    }
-
-    return 0;
-}
 
 static av_cold void dsputil_init_mmx(DSPContext *c, AVCodecContext *avctx,
                                      int cpu_flags, unsigned high_bit_depth)
 {
 #if HAVE_MMX_INLINE
-    c->put_pixels_clamped        = ff_put_pixels_clamped_mmx;
-    c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_mmx;
-    c->add_pixels_clamped        = ff_add_pixels_clamped_mmx;
-
     if (!high_bit_depth) {
         c->draw_edges   = ff_draw_edges_mmx;
-
-        switch (avctx->idct_algo) {
-        case FF_IDCT_AUTO:
-        case FF_IDCT_SIMPLEMMX:
-            c->idct_put              = ff_simple_idct_put_mmx;
-            c->idct_add              = ff_simple_idct_add_mmx;
-            c->idct                  = ff_simple_idct_mmx;
-            c->idct_permutation_type = FF_SIMPLE_IDCT_PERM;
-            break;
-        case FF_IDCT_XVIDMMX:
-            c->idct_put              = ff_idct_xvid_mmx_put;
-            c->idct_add              = ff_idct_xvid_mmx_add;
-            c->idct                  = ff_idct_xvid_mmx;
-            break;
-        }
     }
 #endif /* HAVE_MMX_INLINE */
 }
 
-static av_cold void dsputil_init_mmxext(DSPContext *c, AVCodecContext *avctx,
-                                        int cpu_flags, unsigned high_bit_depth)
-{
-#if HAVE_MMXEXT_INLINE
-    if (!high_bit_depth && avctx->idct_algo == FF_IDCT_XVIDMMX) {
-        c->idct_put = ff_idct_xvid_mmxext_put;
-        c->idct_add = ff_idct_xvid_mmxext_add;
-        c->idct     = ff_idct_xvid_mmxext;
-    }
-#endif /* HAVE_MMXEXT_INLINE */
-}
-
-static av_cold void dsputil_init_sse2(DSPContext *c, AVCodecContext *avctx,
-                                      int cpu_flags, unsigned high_bit_depth)
-{
-#if HAVE_SSE2_INLINE
-    if (!high_bit_depth && avctx->idct_algo == FF_IDCT_XVIDMMX) {
-        c->idct_put              = ff_idct_xvid_sse2_put;
-        c->idct_add              = ff_idct_xvid_sse2_add;
-        c->idct                  = ff_idct_xvid_sse2;
-        c->idct_permutation_type = FF_SSE2_IDCT_PERM;
-    }
-#endif /* HAVE_SSE2_INLINE */
-}
-
 av_cold void ff_dsputil_init_x86(DSPContext *c, AVCodecContext *avctx,
                                  unsigned high_bit_depth)
 {
@@ -121,12 +42,6 @@ av_cold void ff_dsputil_init_x86(DSPContext *c, AVCodecContext *avctx,
     if (X86_MMX(cpu_flags))
         dsputil_init_mmx(c, avctx, cpu_flags, high_bit_depth);
 
-    if (X86_MMXEXT(cpu_flags))
-        dsputil_init_mmxext(c, avctx, cpu_flags, high_bit_depth);
-
-    if (X86_SSE2(cpu_flags))
-        dsputil_init_sse2(c, avctx, cpu_flags, high_bit_depth);
-
     if (CONFIG_ENCODERS)
         ff_dsputilenc_init_mmx(c, avctx, high_bit_depth);
 }