Merge remote-tracking branch 'qatar/master'

* qatar/master:
  dsputil: Separate h264 qpel

Conflicts:
	libavcodec/dsputil_template.c
	libavcodec/h264.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 319 insertions, 0 deletions

diff --git a/libavcodec/ppc/h264_qpel.c b/libavcodec/ppc/h264_qpel.c
new file mode 100644
index 0000000000..39d68e0e7e
--- /dev/null
+++ b/libavcodec/ppc/h264_qpel.c
@@ -0,0 +1,319 @@
+/*
+ * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#include "libavcodec/h264qpel.h"
+
+#if HAVE_ALTIVEC
+#include "libavutil/cpu.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/ppc/types_altivec.h"
+#include "libavutil/ppc/util_altivec.h"
+#include "dsputil_altivec.h"
+
+#define PUT_OP_U8_ALTIVEC(d, s, dst) d = s
+#define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s)
+
+#define OP_U8_ALTIVEC                          PUT_OP_U8_ALTIVEC
+#define PREFIX_h264_chroma_mc8_altivec         put_h264_chroma_mc8_altivec
+#define PREFIX_h264_chroma_mc8_num             altivec_put_h264_chroma_mc8_num
+#define PREFIX_h264_qpel16_h_lowpass_altivec   put_h264_qpel16_h_lowpass_altivec
+#define PREFIX_h264_qpel16_h_lowpass_num       altivec_put_h264_qpel16_h_lowpass_num
+#define PREFIX_h264_qpel16_v_lowpass_altivec   put_h264_qpel16_v_lowpass_altivec
+#define PREFIX_h264_qpel16_v_lowpass_num       altivec_put_h264_qpel16_v_lowpass_num
+#define PREFIX_h264_qpel16_hv_lowpass_altivec  put_h264_qpel16_hv_lowpass_altivec
+#define PREFIX_h264_qpel16_hv_lowpass_num      altivec_put_h264_qpel16_hv_lowpass_num
+#include "h264_qpel_template.c"
+#undef OP_U8_ALTIVEC
+#undef PREFIX_h264_chroma_mc8_altivec
+#undef PREFIX_h264_chroma_mc8_num
+#undef PREFIX_h264_qpel16_h_lowpass_altivec
+#undef PREFIX_h264_qpel16_h_lowpass_num
+#undef PREFIX_h264_qpel16_v_lowpass_altivec
+#undef PREFIX_h264_qpel16_v_lowpass_num
+#undef PREFIX_h264_qpel16_hv_lowpass_altivec
+#undef PREFIX_h264_qpel16_hv_lowpass_num
+
+#define OP_U8_ALTIVEC                          AVG_OP_U8_ALTIVEC
+#define PREFIX_h264_chroma_mc8_altivec         avg_h264_chroma_mc8_altivec
+#define PREFIX_h264_chroma_mc8_num             altivec_avg_h264_chroma_mc8_num
+#define PREFIX_h264_qpel16_h_lowpass_altivec   avg_h264_qpel16_h_lowpass_altivec
+#define PREFIX_h264_qpel16_h_lowpass_num       altivec_avg_h264_qpel16_h_lowpass_num
+#define PREFIX_h264_qpel16_v_lowpass_altivec   avg_h264_qpel16_v_lowpass_altivec
+#define PREFIX_h264_qpel16_v_lowpass_num       altivec_avg_h264_qpel16_v_lowpass_num
+#define PREFIX_h264_qpel16_hv_lowpass_altivec  avg_h264_qpel16_hv_lowpass_altivec
+#define PREFIX_h264_qpel16_hv_lowpass_num      altivec_avg_h264_qpel16_hv_lowpass_num
+#include "h264_qpel_template.c"
+#undef OP_U8_ALTIVEC
+#undef PREFIX_h264_chroma_mc8_altivec
+#undef PREFIX_h264_chroma_mc8_num
+#undef PREFIX_h264_qpel16_h_lowpass_altivec
+#undef PREFIX_h264_qpel16_h_lowpass_num
+#undef PREFIX_h264_qpel16_v_lowpass_altivec
+#undef PREFIX_h264_qpel16_v_lowpass_num
+#undef PREFIX_h264_qpel16_hv_lowpass_altivec
+#undef PREFIX_h264_qpel16_hv_lowpass_num
+
+#define H264_MC(OPNAME, SIZE, CODETYPE) \
+static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, uint8_t *src, int stride){\
+    ff_ ## OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){ \
+    DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
+    put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
+    OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
+    put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
+    OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+1, half, stride, stride, SIZE);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
+    put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
+    OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
+    put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
+    OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
+    DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
+    put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
+    put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
+    OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
+    DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
+    put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
+    put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
+    OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
+    DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
+    put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
+    put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
+    OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
+    DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
+    put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
+    put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
+    OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
+    OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
+    DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
+    DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
+    put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
+    put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
+    OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
+    DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
+    DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
+    put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
+    put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
+    OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
+    DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
+    DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
+    put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
+    put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
+    OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
+}\
+\
+static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
+    DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
+    DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
+    DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
+    put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
+    put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
+    OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
+}\
+
+static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
+                                    const uint8_t * src2, int dst_stride,
+                                    int src_stride1, int h)
+{
+    int i;
+    vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align;
+
+    mask_ = vec_lvsl(0, src2);
+
+    for (i = 0; i < h; i++) {
+
+        tmp1 = vec_ld(i * src_stride1, src1);
+        mask = vec_lvsl(i * src_stride1, src1);
+        tmp2 = vec_ld(i * src_stride1 + 15, src1);
+
+        a = vec_perm(tmp1, tmp2, mask);
+
+        tmp1 = vec_ld(i * 16, src2);
+        tmp2 = vec_ld(i * 16 + 15, src2);
+
+        b = vec_perm(tmp1, tmp2, mask_);
+
+        tmp1 = vec_ld(0, dst);
+        mask = vec_lvsl(0, dst);
+        tmp2 = vec_ld(15, dst);
+
+        d = vec_avg(a, b);
+
+        edges = vec_perm(tmp2, tmp1, mask);
+
+        align = vec_lvsr(0, dst);
+
+        tmp2 = vec_perm(d, edges, align);
+        tmp1 = vec_perm(edges, d, align);
+
+        vec_st(tmp2, 15, dst);
+        vec_st(tmp1, 0 , dst);
+
+        dst += dst_stride;
+    }
+}
+
+static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
+                                    const uint8_t * src2, int dst_stride,
+                                    int src_stride1, int h)
+{
+    int i;
+    vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align;
+
+    mask_ = vec_lvsl(0, src2);
+
+    for (i = 0; i < h; i++) {
+
+        tmp1 = vec_ld(i * src_stride1, src1);
+        mask = vec_lvsl(i * src_stride1, src1);
+        tmp2 = vec_ld(i * src_stride1 + 15, src1);
+
+        a = vec_perm(tmp1, tmp2, mask);
+
+        tmp1 = vec_ld(i * 16, src2);
+        tmp2 = vec_ld(i * 16 + 15, src2);
+
+        b = vec_perm(tmp1, tmp2, mask_);
+
+        tmp1 = vec_ld(0, dst);
+        mask = vec_lvsl(0, dst);
+        tmp2 = vec_ld(15, dst);
+
+        d = vec_avg(vec_perm(tmp1, tmp2, mask), vec_avg(a, b));
+
+        edges = vec_perm(tmp2, tmp1, mask);
+
+        align = vec_lvsr(0, dst);
+
+        tmp2 = vec_perm(d, edges, align);
+        tmp1 = vec_perm(edges, d, align);
+
+        vec_st(tmp2, 15, dst);
+        vec_st(tmp1, 0 , dst);
+
+        dst += dst_stride;
+    }
+}
+
+/* Implemented but could be faster
+#define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h)
+#define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h)
+ */
+
+H264_MC(put_, 16, altivec)
+H264_MC(avg_, 16, altivec)
+
+void ff_dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx)
+{
+    const int high_bit_depth = avctx->bits_per_raw_sample > 8;
+
+    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
+    if (!high_bit_depth) {
+        c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec;
+        c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec;
+    }
+    }
+}
+#endif /* HAVE_ALTIVEC */
+
+void ff_h264qpel_init_ppc(H264QpelContext* c, int bit_depth) {
+#if HAVE_ALTIVEC
+    const int high_bit_depth = bit_depth > 8;
+
+    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
+    if (!high_bit_depth) {
+#define dspfunc(PFX, IDX, NUM) \
+        c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \
+        c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_altivec; \
+        c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_altivec; \
+        c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_altivec; \
+        c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_altivec; \
+        c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_altivec; \
+        c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_altivec; \
+        c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_altivec; \
+        c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_altivec; \
+        c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_altivec; \
+        c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_altivec; \
+        c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_altivec; \
+        c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_altivec; \
+        c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_altivec; \
+        c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_altivec; \
+        c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_altivec
+
+        dspfunc(put_h264_qpel, 0, 16);
+        dspfunc(avg_h264_qpel, 0, 16);
+#undef dspfunc
+    }
+    }
+#endif /* HAVE_ALTIVEC */
+}