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mpv/libmpeg2/libmpeg-0.4.1.diff
diego 71f6340af7 Check for ALTIVEC_H instead of __APPLE_CC__ to decide which AltiVec vector 
declaration syntax to use. Checking for HAVE_ALTIVEC_VECTOR_BRACES would be
better, but this variant is more likely to be mergeable upstream.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26928 b3059339-0415-0410-9bf9-f77b7e298cf2
2008-05-30 12:09:06 +00:00

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28 KiB
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--- libmpeg2/cpu_accel.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/cpu_accel.c 2006-06-16 20:12:50.000000000 +0200
@@ -22,6 +26,7 @@
*/
#include "config.h"
+#include "cpudetect.h"
#include <inttypes.h>
@@ -30,9 +35,17 @@
#include "mpeg2_internal.h"
#ifdef ACCEL_DETECT
-#ifdef ARCH_X86
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
+
+/* MPlayer imports libmpeg2 as decoder, which detects MMX / 3DNow!
+ * instructions via assembly. However, it is regarded as duplicated work
+ * in MPlayer, so that we enforce using MPlayer's implementation.
+ */
+#define USE_MPLAYER_CPUDETECT
+
static inline uint32_t arch_accel (void)
{
+#if !defined(USE_MPLAYER_CPUDETECT)
uint32_t eax, ebx, ecx, edx;
int AMD;
uint32_t caps;
@@ -105,7 +120,21 @@
caps |= MPEG2_ACCEL_X86_MMXEXT;
return caps;
+#else /* USE_MPLAYER_CPUDETECT: Use MPlayer's CPU capability property. */
+ caps = 0;
+ if (gCpuCaps.hasMMX)
+ caps |= MPEG2_ACCEL_X86_MMX;
+ if (gCpuCaps.hasSSE2)
+ caps |= MPEG2_ACCEL_X86_SSE2;
+ if (gCpuCaps.hasMMX2)
+ caps |= MPEG2_ACCEL_X86_MMXEXT;
+ if (gCpuCaps.has3DNow)
+ caps |= MPEG2_ACCEL_X86_3DNOW;
+
+ return caps;
+
+#endif /* USE_MPLAYER_CPUDETECT */
}
-#endif /* ARCH_X86 */
+#endif /* ARCH_X86 || ARCH_X86_64 */
#if defined(ARCH_PPC) || defined(ARCH_SPARC)
@@ -212,7 +241,7 @@
accel = 0;
#ifdef ACCEL_DETECT
-#if defined (ARCH_X86) || defined (ARCH_PPC) || defined (ARCH_ALPHA) || defined (ARCH_SPARC)
+#if defined (ARCH_X86) || defined (ARCH_X86_64) || defined (ARCH_PPC) || defined (ARCH_ALPHA) || defined (ARCH_SPARC)
accel = arch_accel ();
#endif
#endif
--- libmpeg2/cpu_state.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/cpu_state.c 2006-06-16 20:12:50.000000000 +0200
@@ -29,14 +33,14 @@
#include "mpeg2.h"
#include "attributes.h"
#include "mpeg2_internal.h"
-#ifdef ARCH_X86
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
#include "mmx.h"
#endif
void (* mpeg2_cpu_state_save) (cpu_state_t * state) = NULL;
void (* mpeg2_cpu_state_restore) (cpu_state_t * state) = NULL;
-#ifdef ARCH_X86
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
static void state_restore_mmx (cpu_state_t * state)
{
emms ();
@@ -48,18 +48,18 @@
#endif
#ifdef ARCH_PPC
-#ifdef HAVE_ALTIVEC_H /* gnu */
-#define LI(a,b) "li " #a "," #b "\n\t"
-#define STVX0(a,b,c) "stvx " #a ",0," #c "\n\t"
-#define STVX(a,b,c) "stvx " #a "," #b "," #c "\n\t"
-#define LVX0(a,b,c) "lvx " #a ",0," #c "\n\t"
-#define LVX(a,b,c) "lvx " #a "," #b "," #c "\n\t"
-#else /* apple */
+#if defined(__APPLE_CC__) /* apple */
#define LI(a,b) "li r" #a "," #b "\n\t"
#define STVX0(a,b,c) "stvx v" #a ",0,r" #c "\n\t"
#define STVX(a,b,c) "stvx v" #a ",r" #b ",r" #c "\n\t"
#define LVX0(a,b,c) "lvx v" #a ",0,r" #c "\n\t"
#define LVX(a,b,c) "lvx v" #a ",r" #b ",r" #c "\n\t"
+#else /* gnu */
+#define LI(a,b) "li " #a "," #b "\n\t"
+#define STVX0(a,b,c) "stvx " #a ",0," #c "\n\t"
+#define STVX(a,b,c) "stvx " #a "," #b "," #c "\n\t"
+#define LVX0(a,b,c) "lvx " #a ",0," #c "\n\t"
+#define LVX(a,b,c) "lvx " #a "," #b "," #c "\n\t"
#endif
static void state_save_altivec (cpu_state_t * state)
@@ -115,9 +119,9 @@
void mpeg2_cpu_state_init (uint32_t accel)
{
-#ifdef ARCH_X86
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
if (accel & MPEG2_ACCEL_X86_MMX) {
mpeg2_cpu_state_restore = state_restore_mmx;
}
#endif
#ifdef ARCH_PPC
--- libmpeg2/decode.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/decode.c 2006-06-16 20:12:50.000000000 +0200
@@ -351,6 +355,15 @@
fbuf->buf[1] = buf[1];
fbuf->buf[2] = buf[2];
fbuf->id = id;
+ // HACK! FIXME! At first I frame, copy pointers to prediction frame too!
+ if (mpeg2dec->custom_fbuf && !mpeg2dec->fbuf[1]->buf[0]){
+ mpeg2dec->fbuf[1]->buf[0]=buf[0];
+ mpeg2dec->fbuf[1]->buf[1]=buf[1];
+ mpeg2dec->fbuf[1]->buf[2]=buf[2];
+ mpeg2dec->fbuf[1]->id=NULL;
+ }
+// printf("libmpeg2: FBUF 0:%p 1:%p 2:%p\n",
+// mpeg2dec->fbuf[0]->buf[0],mpeg2dec->fbuf[1]->buf[0],mpeg2dec->fbuf[2]->buf[0]);
}
void mpeg2_custom_fbuf (mpeg2dec_t * mpeg2dec, int custom_fbuf)
--- libmpeg2/header.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/header.c 2006-06-16 20:12:50.000000000 +0200
@@ -100,6 +104,9 @@
mpeg2dec->decoder.convert = NULL;
mpeg2dec->decoder.convert_id = NULL;
mpeg2dec->picture = mpeg2dec->pictures;
+ memset(&mpeg2dec->fbuf_alloc[0].fbuf, 0, sizeof(mpeg2_fbuf_t));
+ memset(&mpeg2dec->fbuf_alloc[1].fbuf, 0, sizeof(mpeg2_fbuf_t));
+ memset(&mpeg2dec->fbuf_alloc[2].fbuf, 0, sizeof(mpeg2_fbuf_t));
mpeg2dec->fbuf[0] = &mpeg2dec->fbuf_alloc[0].fbuf;
mpeg2dec->fbuf[1] = &mpeg2dec->fbuf_alloc[1].fbuf;
mpeg2dec->fbuf[2] = &mpeg2dec->fbuf_alloc[2].fbuf;
@@ -551,6 +558,7 @@
if (!(mpeg2dec->sequence.flags & SEQ_FLAG_PROGRESSIVE_SEQUENCE)) {
picture->nb_fields = (buffer[3] & 2) ? 3 : 2;
flags |= (buffer[3] & 128) ? PIC_FLAG_TOP_FIELD_FIRST : 0;
+ flags |= (buffer[3] & 2) ? PIC_FLAG_REPEAT_FIRST_FIELD : 0;
} else
picture->nb_fields = (buffer[3]&2) ? ((buffer[3]&128) ? 6 : 4) : 2;
break;
@@ -799,6 +807,7 @@
mpeg2dec->scaled[index] = mpeg2dec->q_scale_type;
for (i = 0; i < 32; i++) {
k = mpeg2dec->q_scale_type ? non_linear_scale[i] : (i << 1);
+ decoder->quantizer_scales[i] = k;
for (j = 0; j < 64; j++)
decoder->quantizer_prescale[index][i][j] =
k * mpeg2dec->quantizer_matrix[index][j];
--- libmpeg2/idct.c (revision 26652)
+++ libmpeg2/idct.c (working copy)
@@ -250,7 +254,7 @@
mpeg2_idct_mmx_init ();
} else
#endif
-#ifdef ARCH_PPC
+#ifdef HAVE_ALTIVEC
if (accel & MPEG2_ACCEL_PPC_ALTIVEC) {
mpeg2_idct_copy = mpeg2_idct_copy_altivec;
mpeg2_idct_add = mpeg2_idct_add_altivec;
--- libmpeg2/idct_mmx.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/idct_mmx.c 2006-06-16 20:12:50.000000000 +0200
@@ -23,7 +27,7 @@
#include "config.h"
-#ifdef ARCH_X86
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
#include <inttypes.h>
--- libmpeg2/motion_comp.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/motion_comp.c 2006-06-16 20:12:50.000000000 +0200
@@ -46,7 +46,7 @@
mpeg2_mc = mpeg2_mc_mmx;
else
#endif
-#ifdef ARCH_PPC
+#ifdef HAVE_ALTIVEC
if (accel & MPEG2_ACCEL_PPC_ALTIVEC)
mpeg2_mc = mpeg2_mc_altivec;
else
@@ -67,6 +61,13 @@
mpeg2_mc = mpeg2_mc_vis;
else
#endif
+#ifdef ARCH_ARM
+ if (accel & MPEG2_ACCEL_ARM_IWMMXT)
+ mpeg2_mc = mpeg2_mc_iwmmxt;
+ else if (accel & MPEG2_ACCEL_ARM)
+ mpeg2_mc = mpeg2_mc_arm;
+ else
+#endif
mpeg2_mc = mpeg2_mc_c;
}
--- libmpeg2/motion_comp_mmx.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/motion_comp_mmx.c 2006-06-16 20:12:50.000000000 +0200
@@ -23,7 +27,7 @@
#include "config.h"
-#ifdef ARCH_X86
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
#include <inttypes.h>
--- include/mpeg2.h 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/mpeg2.h 2006-06-16 20:12:50.000000000 +0200
@@ -82,6 +86,7 @@
#define PIC_FLAG_COMPOSITE_DISPLAY 32
#define PIC_FLAG_SKIP 64
#define PIC_FLAG_TAGS 128
+#define PIC_FLAG_REPEAT_FIRST_FIELD 256
#define PIC_MASK_COMPOSITE_DISPLAY 0xfffff000
typedef struct mpeg2_picture_s {
@@ -156,10 +160,13 @@
#define MPEG2_ACCEL_X86_3DNOW 2
#define MPEG2_ACCEL_X86_MMXEXT 4
+#define MPEG2_ACCEL_X86_SSE2 8
#define MPEG2_ACCEL_PPC_ALTIVEC 1
#define MPEG2_ACCEL_ALPHA 1
#define MPEG2_ACCEL_ALPHA_MVI 2
#define MPEG2_ACCEL_SPARC_VIS 1
#define MPEG2_ACCEL_SPARC_VIS2 2
+#define MPEG2_ACCEL_ARM 1
+#define MPEG2_ACCEL_ARM_IWMMXT 2
#define MPEG2_ACCEL_DETECT 0x80000000
uint32_t mpeg2_accel (uint32_t accel);
--- libmpeg2/mpeg2_internal.h 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/mpeg2_internal.h 2006-06-16 20:12:50.000000000 +0200
@@ -144,6 +148,11 @@
int second_field;
int mpeg1;
+
+ int quantizer_scales[32];
+ int quantizer_scale;
+ char* quant_store;
+ int quant_stride;
};
typedef struct {
@@ -214,6 +224,9 @@
int8_t q_scale_type, scaled[4];
uint8_t quantizer_matrix[4][64];
uint8_t new_quantizer_matrix[4][64];
+
+ unsigned char *pending_buffer;
+ int pending_length;
};
typedef struct {
@@ -312,3 +312,5 @@
extern mpeg2_mc_t mpeg2_mc_altivec;
extern mpeg2_mc_t mpeg2_mc_alpha;
extern mpeg2_mc_t mpeg2_mc_vis;
+extern mpeg2_mc_t mpeg2_mc_arm;
+extern mpeg2_mc_t mpeg2_mc_iwmmxt;
--- libmpeg2/slice.c 2006-06-16 20:12:26.000000000 +0200
+++ libmpeg2/slice.c 2006-06-16 20:12:50.000000000 +0200
@@ -142,6 +146,7 @@
quantizer_scale_code = UBITS (bit_buf, 5);
DUMPBITS (bit_buf, bits, 5);
+ decoder->quantizer_scale = decoder->quantizer_scales[quantizer_scale_code];
decoder->quantizer_matrix[0] =
decoder->quantizer_prescale[0][quantizer_scale_code];
@@ -1568,6 +1569,18 @@
#define NEXT_MACROBLOCK \
do { \
+ if(decoder->quant_store) { \
+ if (decoder->picture_structure == TOP_FIELD) \
+ decoder->quant_store[2*decoder->quant_stride*(decoder->v_offset>>4) \
+ +(decoder->offset>>4)] = decoder->quantizer_scale; \
+ else if (decoder->picture_structure == BOTTOM_FIELD) \
+ decoder->quant_store[2*decoder->quant_stride*(decoder->v_offset>>4) \
+ + decoder->quant_stride \
+ +(decoder->offset>>4)] = decoder->quantizer_scale; \
+ else \
+ decoder->quant_store[decoder->quant_stride*(decoder->v_offset>>4) \
+ +(decoder->offset>>4)] = decoder->quantizer_scale; \
+ } \
decoder->offset += 16; \
if (decoder->offset == decoder->width) { \
do { /* just so we can use the break statement */ \
@@ -1604,6 +1604,12 @@
} \
} while (0)
+static void motion_dummy (mpeg2_decoder_t * const decoder,
+ motion_t * const motion,
+ mpeg2_mc_fct * const * const table)
+{
+}
+
void mpeg2_init_fbuf (mpeg2_decoder_t * decoder, uint8_t * current_fbuf[3],
uint8_t * forward_fbuf[3], uint8_t * backward_fbuf[3])
{
@@ -1661,7 +1667,9 @@
if (decoder->mpeg1) {
decoder->motion_parser[0] = motion_zero_420;
+ decoder->motion_parser[MC_FIELD] = motion_dummy;
decoder->motion_parser[MC_FRAME] = motion_mp1;
+ decoder->motion_parser[MC_DMV] = motion_dummy;
decoder->motion_parser[4] = motion_reuse_420;
} else if (decoder->picture_structure == FRAME_PICTURE) {
if (decoder->chroma_format == 0) {
--- libmpeg2/idct_altivec.c 2004/08/02 11:26:43 12933
+++ libmpeg2/idct_altivec.c 2005/05/15 20:11:34 15484
@@ -41,7 +41,7 @@
typedef vector signed int vector_s32_t;
typedef vector unsigned int vector_u32_t;
-#if defined(HAVE_ALTIVEC_H) && (__GNUC__ * 100 + __GNUC_MINOR__ < 303)
+#if defined(HAVE_ALTIVEC_H) && !defined(__APPLE_CC__) && (__GNUC__ * 100 + __GNUC_MINOR__ < 303)
/* work around gcc <3.3 vec_mergel bug */
static inline vector_s16_t my_vec_mergel (vector_s16_t const A,
vector_s16_t const B)
@@ -56,10 +56,10 @@
#define vec_mergel my_vec_mergel
#endif
-#ifdef HAVE_ALTIVEC_H /* gnu */
-#define VEC_S16(a,b,c,d,e,f,g,h) {a, b, c, d, e, f, g, h}
-#else /* apple */
+#if defined(__APPLE_CC__) /* apple */
#define VEC_S16(a,b,c,d,e,f,g,h) (vector_s16_t) (a, b, c, d, e, f, g, h)
+#else /* gnu */
+#define VEC_S16(a,b,c,d,e,f,g,h) {a, b, c, d, e, f, g, h}
#endif
static const vector_s16_t constants ATTR_ALIGN(16) =
Index: libmpeg2/motion_comp_arm.c
===================================================================
--- libmpeg2/motion_comp_arm.c (revision 0)
+++ libmpeg2/motion_comp_arm.c (revision 0)
@@ -0,0 +1,187 @@
+/*
+ * motion_comp_arm.c
+ * Copyright (C) 2004 AGAWA Koji <i (AT) atty (DOT) jp>
+ *
+ * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
+ * See http://libmpeg2.sourceforge.net/ for updates.
+ *
+ * mpeg2dec 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.
+ *
+ * mpeg2dec 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "config.h"
+
+#ifdef ARCH_ARM
+
+#include <inttypes.h>
+
+#include "mpeg2.h"
+#include "attributes.h"
+#include "mpeg2_internal.h"
+
+#define avg2(a,b) ((a+b+1)>>1)
+#define avg4(a,b,c,d) ((a+b+c+d+2)>>2)
+
+#define predict_o(i) (ref[i])
+#define predict_x(i) (avg2 (ref[i], ref[i+1]))
+#define predict_y(i) (avg2 (ref[i], (ref+stride)[i]))
+#define predict_xy(i) (avg4 (ref[i], ref[i+1], \
+ (ref+stride)[i], (ref+stride)[i+1]))
+
+#define put(predictor,i) dest[i] = predictor (i)
+#define avg(predictor,i) dest[i] = avg2 (predictor (i), dest[i])
+
+/* mc function template */
+
+#define MC_FUNC(op,xy) \
+static void inline MC_##op##_##xy##_16_c (uint8_t * dest, const uint8_t * ref, \
+ const int stride, int height) \
+{ \
+ do { \
+ op (predict_##xy, 0); \
+ op (predict_##xy, 1); \
+ op (predict_##xy, 2); \
+ op (predict_##xy, 3); \
+ op (predict_##xy, 4); \
+ op (predict_##xy, 5); \
+ op (predict_##xy, 6); \
+ op (predict_##xy, 7); \
+ op (predict_##xy, 8); \
+ op (predict_##xy, 9); \
+ op (predict_##xy, 10); \
+ op (predict_##xy, 11); \
+ op (predict_##xy, 12); \
+ op (predict_##xy, 13); \
+ op (predict_##xy, 14); \
+ op (predict_##xy, 15); \
+ ref += stride; \
+ dest += stride; \
+ } while (--height); \
+} \
+static void MC_##op##_##xy##_8_c (uint8_t * dest, const uint8_t * ref, \
+ const int stride, int height) \
+{ \
+ do { \
+ op (predict_##xy, 0); \
+ op (predict_##xy, 1); \
+ op (predict_##xy, 2); \
+ op (predict_##xy, 3); \
+ op (predict_##xy, 4); \
+ op (predict_##xy, 5); \
+ op (predict_##xy, 6); \
+ op (predict_##xy, 7); \
+ ref += stride; \
+ dest += stride; \
+ } while (--height); \
+} \
+/* definitions of the actual mc functions */
+
+MC_FUNC (put,o)
+MC_FUNC (avg,o)
+MC_FUNC (put,x)
+MC_FUNC (avg,x)
+MC_FUNC (put,y)
+MC_FUNC (avg,y)
+MC_FUNC (put,xy)
+MC_FUNC (avg,xy)
+
+
+extern void MC_put_o_16_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height);
+
+extern void MC_put_x_16_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height);
+
+
+static void MC_put_y_16_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height)
+{
+ MC_put_y_16_c(dest, ref, stride, height);
+}
+
+static void MC_put_xy_16_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height)
+{
+ MC_put_xy_16_c(dest, ref, stride, height);
+}
+
+extern void MC_put_o_8_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height);
+
+extern void MC_put_x_8_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height);
+
+static void MC_put_y_8_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height)
+{
+ MC_put_y_8_c(dest, ref, stride, height);
+}
+
+static void MC_put_xy_8_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height)
+{
+ MC_put_xy_8_c(dest, ref, stride, height);
+}
+
+static void MC_avg_o_16_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height)
+{
+ MC_avg_o_16_c(dest, ref, stride, height);
+}
+
+static void MC_avg_x_16_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height)
+{
+ MC_avg_x_16_c(dest, ref, stride, height);
+}
+
+static void MC_avg_y_16_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height)
+{
+ MC_avg_y_16_c(dest, ref, stride, height);
+}
+
+static void MC_avg_xy_16_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height)
+{
+ MC_avg_xy_16_c(dest, ref, stride, height);
+}
+
+static void MC_avg_o_8_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height)
+{
+ MC_avg_o_8_c(dest, ref, stride, height);
+}
+
+static void MC_avg_x_8_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height)
+{
+ MC_avg_x_8_c(dest, ref, stride, height);
+}
+
+static void MC_avg_y_8_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height)
+{
+ MC_avg_y_8_c(dest, ref, stride, height);
+}
+
+static void MC_avg_xy_8_arm (uint8_t * dest, const uint8_t * ref,
+ int stride, int height)
+{
+ MC_avg_xy_8_c(dest, ref, stride, height);
+}
+
+MPEG2_MC_EXTERN (arm)
+
+#endif
Index: libmpeg2/motion_comp_arm_s.S
===================================================================
--- libmpeg2/motion_comp_arm_s.S (revision 0)
+++ libmpeg2/motion_comp_arm_s.S (revision 0)
@@ -0,0 +1,322 @@
+@ motion_comp_arm_s.S
+@ Copyright (C) 2004 AGAWA Koji <i (AT) atty (DOT) jp>
+@
+@ This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
+@ See http://libmpeg2.sourceforge.net/ for updates.
+@
+@ mpeg2dec 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.
+@
+@ mpeg2dec 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 this program; if not, write to the Free Software
+@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ .text
+
+@ ----------------------------------------------------------------
+ .align
+ .global MC_put_o_16_arm
+MC_put_o_16_arm:
+ @@ void func(uint8_t * dest, const uint8_t * ref, int stride, int height)
+ pld [r1]
+ stmfd sp!, {r4-r11, lr} @ R14 is also called LR
+ and r4, r1, #3
+ adr r5, MC_put_o_16_arm_align_jt
+ add r5, r5, r4, lsl #2
+ ldr pc, [r5]
+
+MC_put_o_16_arm_align0:
+ ldmia r1, {r4-r7}
+ add r1, r1, r2
+ pld [r1]
+ stmia r0, {r4-r7}
+ subs r3, r3, #1
+ add r0, r0, r2
+ bne MC_put_o_16_arm_align0
+ ldmfd sp!, {r4-r11, pc} @@ update PC with LR content.
+
+.macro PROC shift
+ ldmia r1, {r4-r8}
+ add r1, r1, r2
+ mov r9, r4, lsr #(\shift)
+ pld [r1]
+ mov r10, r5, lsr #(\shift)
+ orr r9, r9, r5, lsl #(32-\shift)
+ mov r11, r6, lsr #(\shift)
+ orr r10, r10, r6, lsl #(32-\shift)
+ mov r12, r7, lsr #(\shift)
+ orr r11, r11, r7, lsl #(32-\shift)
+ orr r12, r12, r8, lsl #(32-\shift)
+ stmia r0, {r9-r12}
+ subs r3, r3, #1
+ add r0, r0, r2
+.endm
+
+MC_put_o_16_arm_align1:
+ and r1, r1, #0xFFFFFFFC
+1: PROC(8)
+ bne 1b
+ ldmfd sp!, {r4-r11, pc} @@ update PC with LR content.
+MC_put_o_16_arm_align2:
+ and r1, r1, #0xFFFFFFFC
+1: PROC(16)
+ bne 1b
+ ldmfd sp!, {r4-r11, pc} @@ update PC with LR content.
+MC_put_o_16_arm_align3:
+ and r1, r1, #0xFFFFFFFC
+1: PROC(24)
+ bne 1b
+ ldmfd sp!, {r4-r11, pc} @@ update PC with LR content.
+MC_put_o_16_arm_align_jt:
+ .word MC_put_o_16_arm_align0
+ .word MC_put_o_16_arm_align1
+ .word MC_put_o_16_arm_align2
+ .word MC_put_o_16_arm_align3
+
+@ ----------------------------------------------------------------
+ .align
+ .global MC_put_o_8_arm
+MC_put_o_8_arm:
+ @@ void func(uint8_t * dest, const uint8_t * ref, int stride, int height)
+ pld [r1]
+ stmfd sp!, {r4-r10, lr} @ R14 is also called LR
+ and r4, r1, #3
+ adr r5, MC_put_o_8_arm_align_jt
+ add r5, r5, r4, lsl #2
+ ldr pc, [r5]
+MC_put_o_8_arm_align0:
+ ldmia r1, {r4-r5}
+ add r1, r1, r2
+ pld [r1]
+ stmia r0, {r4-r5}
+ add r0, r0, r2
+ subs r3, r3, #1
+ bne MC_put_o_8_arm_align0
+ ldmfd sp!, {r4-r10, pc} @@ update PC with LR content.
+
+.macro PROC8 shift
+ ldmia r1, {r4-r6}
+ add r1, r1, r2
+ mov r9, r4, lsr #(\shift)
+ pld [r1]
+ mov r10, r5, lsr #(\shift)
+ orr r9, r9, r5, lsl #(32-\shift)
+ orr r10, r10, r6, lsl #(32-\shift)
+ stmia r0, {r9-r10}
+ subs r3, r3, #1
+ add r0, r0, r2
+.endm
+
+MC_put_o_8_arm_align1:
+ and r1, r1, #0xFFFFFFFC
+1: PROC8(8)
+ bne 1b
+ ldmfd sp!, {r4-r10, pc} @@ update PC with LR content.
+
+MC_put_o_8_arm_align2:
+ and r1, r1, #0xFFFFFFFC
+1: PROC8(16)
+ bne 1b
+ ldmfd sp!, {r4-r10, pc} @@ update PC with LR content.
+
+MC_put_o_8_arm_align3:
+ and r1, r1, #0xFFFFFFFC
+1: PROC8(24)
+ bne 1b
+ ldmfd sp!, {r4-r10, pc} @@ update PC with LR content.
+
+MC_put_o_8_arm_align_jt:
+ .word MC_put_o_8_arm_align0
+ .word MC_put_o_8_arm_align1
+ .word MC_put_o_8_arm_align2
+ .word MC_put_o_8_arm_align3
+
+@ ----------------------------------------------------------------
+.macro AVG_PW rW1, rW2
+ mov \rW2, \rW2, lsl #24
+ orr \rW2, \rW2, \rW1, lsr #8
+ eor r9, \rW1, \rW2
+ and \rW2, \rW1, \rW2
+ and r10, r9, r12
+ add \rW2, \rW2, r10, lsr #1
+ and r10, r9, r11
+ add \rW2, \rW2, r10
+.endm
+
+ .align
+ .global MC_put_x_16_arm
+MC_put_x_16_arm:
+ @@ void func(uint8_t * dest, const uint8_t * ref, int stride, int height)
+ pld [r1]
+ stmfd sp!, {r4-r11,lr} @ R14 is also called LR
+ and r4, r1, #3
+ adr r5, MC_put_x_16_arm_align_jt
+ ldr r11, [r5]
+ mvn r12, r11
+ add r5, r5, r4, lsl #2
+ ldr pc, [r5, #4]
+
+.macro ADJ_ALIGN_QW shift, R0, R1, R2, R3, R4
+ mov \R0, \R0, lsr #(\shift)
+ orr \R0, \R0, \R1, lsl #(32 - \shift)
+ mov \R1, \R1, lsr #(\shift)
+ orr \R1, \R1, \R2, lsl #(32 - \shift)
+ mov \R2, \R2, lsr #(\shift)
+ orr \R2, \R2, \R3, lsl #(32 - \shift)
+ mov \R3, \R3, lsr #(\shift)
+ orr \R3, \R3, \R4, lsl #(32 - \shift)
+ mov \R4, \R4, lsr #(\shift)
+@ and \R4, \R4, #0xFF
+.endm
+
+MC_put_x_16_arm_align0:
+ ldmia r1, {r4-r8}
+ add r1, r1, r2
+ pld [r1]
+ AVG_PW r7, r8
+ AVG_PW r6, r7
+ AVG_PW r5, r6
+ AVG_PW r4, r5
+ stmia r0, {r5-r8}
+ subs r3, r3, #1
+ add r0, r0, r2
+ bne MC_put_x_16_arm_align0
+ ldmfd sp!, {r4-r11,pc} @@ update PC with LR content.
+MC_put_x_16_arm_align1:
+ and r1, r1, #0xFFFFFFFC
+1: ldmia r1, {r4-r8}
+ add r1, r1, r2
+ pld [r1]
+ ADJ_ALIGN_QW 8, r4, r5, r6, r7, r8
+ AVG_PW r7, r8
+ AVG_PW r6, r7
+ AVG_PW r5, r6
+ AVG_PW r4, r5
+ stmia r0, {r5-r8}
+ subs r3, r3, #1
+ add r0, r0, r2
+ bne 1b
+ ldmfd sp!, {r4-r11,pc} @@ update PC with LR content.
+MC_put_x_16_arm_align2:
+ and r1, r1, #0xFFFFFFFC
+1: ldmia r1, {r4-r8}
+ add r1, r1, r2
+ pld [r1]
+ ADJ_ALIGN_QW 16, r4, r5, r6, r7, r8
+ AVG_PW r7, r8
+ AVG_PW r6, r7
+ AVG_PW r5, r6
+ AVG_PW r4, r5
+ stmia r0, {r5-r8}
+ subs r3, r3, #1
+ add r0, r0, r2
+ bne 1b
+ ldmfd sp!, {r4-r11,pc} @@ update PC with LR content.
+MC_put_x_16_arm_align3:
+ and r1, r1, #0xFFFFFFFC
+1: ldmia r1, {r4-r8}
+ add r1, r1, r2
+ pld [r1]
+ ADJ_ALIGN_QW 24, r4, r5, r6, r7, r8
+ AVG_PW r7, r8
+ AVG_PW r6, r7
+ AVG_PW r5, r6
+ AVG_PW r4, r5
+ stmia r0, {r5-r8}
+ subs r3, r3, #1
+ add r0, r0, r2
+ bne 1b
+ ldmfd sp!, {r4-r11,pc} @@ update PC with LR content.
+MC_put_x_16_arm_align_jt:
+ .word 0x01010101
+ .word MC_put_x_16_arm_align0
+ .word MC_put_x_16_arm_align1
+ .word MC_put_x_16_arm_align2
+ .word MC_put_x_16_arm_align3
+
+@ ----------------------------------------------------------------
+ .align
+ .global MC_put_x_8_arm
+MC_put_x_8_arm:
+ @@ void func(uint8_t * dest, const uint8_t * ref, int stride, int height)
+ pld [r1]
+ stmfd sp!, {r4-r11,lr} @ R14 is also called LR
+ and r4, r1, #3
+ adr r5, MC_put_x_8_arm_align_jt
+ ldr r11, [r5]
+ mvn r12, r11
+ add r5, r5, r4, lsl #2
+ ldr pc, [r5, #4]
+
+.macro ADJ_ALIGN_DW shift, R0, R1, R2
+ mov \R0, \R0, lsr #(\shift)
+ orr \R0, \R0, \R1, lsl #(32 - \shift)
+ mov \R1, \R1, lsr #(\shift)
+ orr \R1, \R1, \R2, lsl #(32 - \shift)
+ mov \R2, \R2, lsr #(\shift)
+@ and \R4, \R4, #0xFF
+.endm
+
+MC_put_x_8_arm_align0:
+ ldmia r1, {r4-r6}
+ add r1, r1, r2
+ pld [r1]
+ AVG_PW r5, r6
+ AVG_PW r4, r5
+ stmia r0, {r5-r6}
+ subs r3, r3, #1
+ add r0, r0, r2
+ bne MC_put_x_8_arm_align0
+ ldmfd sp!, {r4-r11,pc} @@ update PC with LR content.
+MC_put_x_8_arm_align1:
+ and r1, r1, #0xFFFFFFFC
+1: ldmia r1, {r4-r6}
+ add r1, r1, r2
+ pld [r1]
+ ADJ_ALIGN_DW 8, r4, r5, r6
+ AVG_PW r5, r6
+ AVG_PW r4, r5
+ stmia r0, {r5-r6}
+ subs r3, r3, #1
+ add r0, r0, r2
+ bne 1b
+ ldmfd sp!, {r4-r11,pc} @@ update PC with LR content.
+MC_put_x_8_arm_align2:
+ and r1, r1, #0xFFFFFFFC
+1: ldmia r1, {r4-r6}
+ add r1, r1, r2
+ pld [r1]
+ ADJ_ALIGN_DW 16, r4, r5, r6
+ AVG_PW r5, r6
+ AVG_PW r4, r5
+ stmia r0, {r5-r6}
+ subs r3, r3, #1
+ add r0, r0, r2
+ bne 1b
+ ldmfd sp!, {r4-r11,pc} @@ update PC with LR content.
+MC_put_x_8_arm_align3:
+ and r1, r1, #0xFFFFFFFC
+1: ldmia r1, {r4-r6}
+ add r1, r1, r2
+ pld [r1]
+ ADJ_ALIGN_DW 24, r4, r5, r6
+ AVG_PW r5, r6
+ AVG_PW r4, r5
+ stmia r0, {r5-r6}
+ subs r3, r3, #1
+ add r0, r0, r2
+ bne 1b
+ ldmfd sp!, {r4-r11,pc} @@ update PC with LR content.
+MC_put_x_8_arm_align_jt:
+ .word 0x01010101
+ .word MC_put_x_8_arm_align0
+ .word MC_put_x_8_arm_align1
+ .word MC_put_x_8_arm_align2
+ .word MC_put_x_8_arm_align3
Index: libmpeg2/motion_comp_iwmmxt.c
===================================================================
--- libmpeg2/motion_comp_iwmmxt.c (revision 0)
+++ libmpeg2/motion_comp_iwmmxt.c (revision 0)
@@ -0,0 +1,59 @@
+/*
+ * motion_comp_iwmmxt.c
+ * Copyright (C) 2004 AGAWA Koji <i (AT) atty (DOT) jp>
+ *
+ * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
+ * See http://libmpeg2.sourceforge.net/ for updates.
+ *
+ * mpeg2dec 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.
+ *
+ * mpeg2dec 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "config.h"
+
+#if defined(ARCH_ARM) && defined(HAVE_IWMMXT)
+
+#include <inttypes.h>
+
+#include "mpeg2.h"
+#include "attributes.h"
+#include "mpeg2_internal.h"
+
+/* defined in libavcodec */
+
+extern void put_pixels16_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void put_pixels16_x2_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void put_pixels16_y2_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void put_pixels16_xy2_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void put_pixels8_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void put_pixels8_x2_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void put_pixels8_y2_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void put_pixels8_xy2_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void avg_pixels16_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void avg_pixels16_x2_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void avg_pixels16_y2_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void avg_pixels16_xy2_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void avg_pixels8_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void avg_pixels8_x2_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void avg_pixels8_y2_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+extern void avg_pixels8_xy2_iwmmxt(uint8_t * dest, const uint8_t * ref, const int stride, int height);
+
+mpeg2_mc_t mpeg2_mc_iwmmxt = {
+ {put_pixels16_iwmmxt, put_pixels16_x2_iwmmxt, put_pixels16_y2_iwmmxt, put_pixels16_xy2_iwmmxt,
+ put_pixels8_iwmmxt, put_pixels8_x2_iwmmxt, put_pixels8_y2_iwmmxt, put_pixels8_xy2_iwmmxt}, \
+ {avg_pixels16_iwmmxt, avg_pixels16_x2_iwmmxt, avg_pixels16_y2_iwmmxt, avg_pixels16_xy2_iwmmxt,
+ avg_pixels8_iwmmxt, avg_pixels8_x2_iwmmxt, avg_pixels8_y2_iwmmxt, avg_pixels8_xy2_iwmmxt}, \
+};
+
+#endif /* defined(ARCH_ARM) && defined(HAVE_IWMMXT) */
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