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x86: remove libmpeg2 mmx(ext) idct functions

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These functions are not faster than other mmx implementations on
any hardware I have been able to test on, and they are horribly
inaccurate.  There is thus no reason to ever use them.

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard
2012-08-01 13:16:23 +01:00
parent a675d73d57
commit ec7c501ed5
6 changed files with 0 additions and 682 deletions
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42
libavcodec/x86/dsputil_mmx.c
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@@ -2164,35 +2164,6 @@ void ff_avg_vc1_mspel_mc00_mmx2(uint8_t *dst, const uint8_t *src,
/* XXX: Those functions should be suppressed ASAP when all IDCTs are
* converted. */
#if CONFIG_GPL
static void ff_libmpeg2mmx_idct_put(uint8_t *dest, int line_size,
DCTELEM *block)
{
ff_mmx_idct(block);
ff_put_pixels_clamped_mmx(block, dest, line_size);
}
static void ff_libmpeg2mmx_idct_add(uint8_t *dest, int line_size,
DCTELEM *block)
{
ff_mmx_idct(block);
ff_add_pixels_clamped_mmx(block, dest, line_size);
}
static void ff_libmpeg2mmx2_idct_put(uint8_t *dest, int line_size,
DCTELEM *block)
{
ff_mmxext_idct(block);
ff_put_pixels_clamped_mmx(block, dest, line_size);
}
static void ff_libmpeg2mmx2_idct_add(uint8_t *dest, int line_size,
DCTELEM *block)
{
ff_mmxext_idct(block);
ff_add_pixels_clamped_mmx(block, dest, line_size);
}
#endif
static void ff_idct_xvid_mmx_put(uint8_t *dest, int line_size, DCTELEM *block)
{
@@ -3049,19 +3020,6 @@ void ff_dsputil_init_mmx(DSPContext *c, AVCodecContext *avctx)
c->idct_add = ff_simple_idct_add_mmx;
c->idct = ff_simple_idct_mmx;
c->idct_permutation_type = FF_SIMPLE_IDCT_PERM;
#if CONFIG_GPL
} else if (idct_algo == FF_IDCT_LIBMPEG2MMX) {
if (mm_flags & AV_CPU_FLAG_MMX2) {
c->idct_put = ff_libmpeg2mmx2_idct_put;
c->idct_add = ff_libmpeg2mmx2_idct_add;
c->idct = ff_mmxext_idct;
} else {
c->idct_put = ff_libmpeg2mmx_idct_put;
c->idct_add = ff_libmpeg2mmx_idct_add;
c->idct = ff_mmx_idct;
}
c->idct_permutation_type = FF_LIBMPEG2_IDCT_PERM;
#endif
} else if (idct_algo == FF_IDCT_CAVS) {
c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
} else if (idct_algo == FF_IDCT_XVIDMMX) {