Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 371 insertions, 0 deletions

diff --git a/media/ffvpx/libavcodec/simple_idct_template.c b/media/ffvpx/libavcodec/simple_idct_template.c
new file mode 100644
index 0000000000..5ddd0b45a2
--- /dev/null
+++ b/media/ffvpx/libavcodec/simple_idct_template.c
@@ -0,0 +1,371 @@
+/*
+ * Simple IDCT
+ *
+ * Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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
+ */
+
+/**
+ * @file
+ * simpleidct in C.
+ */
+
+/* Based upon some commented-out C code from mpeg2dec (idct_mmx.c
+ * written by Aaron Holtzman <aholtzma@ess.engr.uvic.ca>). */
+
+#include "simple_idct.h"
+
+#include "bit_depth_template.c"
+
+#undef W1
+#undef W2
+#undef W3
+#undef W4
+#undef W5
+#undef W6
+#undef W7
+#undef ROW_SHIFT
+#undef COL_SHIFT
+#undef DC_SHIFT
+#undef MUL
+#undef MAC
+
+#if BIT_DEPTH == 8
+
+#define W1  22725  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define W2  21407  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define W3  19266  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define W4  16383  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define W5  12873  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define W6  8867   //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define W7  4520   //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+
+#define ROW_SHIFT 11
+#define COL_SHIFT 20
+#define DC_SHIFT 3
+
+#define MUL(a, b)    MUL16(a, b)
+#define MAC(a, b, c) MAC16(a, b, c)
+
+#elif BIT_DEPTH == 10 || BIT_DEPTH == 12
+
+# if BIT_DEPTH == 10
+#define W1 22725 // 90901
+#define W2 21407 //  85627
+#define W3 19265 //  77062
+#define W4 16384 //  65535
+#define W5 12873 //  51491
+#define W6  8867 //  35468
+#define W7  4520 //  18081
+
+#   ifdef EXTRA_SHIFT
+#define ROW_SHIFT 13
+#define COL_SHIFT 18
+#define DC_SHIFT  1
+#   elif IN_IDCT_DEPTH == 32
+#define ROW_SHIFT 13
+#define COL_SHIFT 21
+#define DC_SHIFT  2
+#   else
+#define ROW_SHIFT 12
+#define COL_SHIFT 19
+#define DC_SHIFT  2
+#   endif
+
+# else
+#define W1 45451
+#define W2 42813
+#define W3 38531
+#define W4 32767
+#define W5 25746
+#define W6 17734
+#define W7 9041
+
+#define ROW_SHIFT 16
+#define COL_SHIFT 17
+#define DC_SHIFT -1
+# endif
+
+#define MUL(a, b)    ((int)((SUINT)(a) * (b)))
+#define MAC(a, b, c) ((a) += (SUINT)(b) * (c))
+
+#else
+
+#error "Unsupported bitdepth"
+
+#endif
+
+#ifdef EXTRA_SHIFT
+static inline void FUNC(idctRowCondDC_extrashift)(int16_t *row, int extra_shift)
+#else
+static inline void FUNC6(idctRowCondDC)(idctin *row, int extra_shift)
+#endif
+{
+    SUINT a0, a1, a2, a3, b0, b1, b2, b3;
+
+// TODO: Add DC-only support for int32_t input
+#if IN_IDCT_DEPTH == 16
+#if HAVE_FAST_64BIT
+#define ROW0_MASK (0xffffULL << 48 * HAVE_BIGENDIAN)
+    if (((AV_RN64A(row) & ~ROW0_MASK) | AV_RN64A(row+4)) == 0) {
+        uint64_t temp;
+        if (DC_SHIFT - extra_shift >= 0) {
+            temp = (row[0] * (1 << (DC_SHIFT - extra_shift))) & 0xffff;
+        } else {
+            temp = ((row[0] + (1<<(extra_shift - DC_SHIFT-1))) >> (extra_shift - DC_SHIFT)) & 0xffff;
+        }
+        temp += temp * (1 << 16);
+        temp += temp * ((uint64_t) 1 << 32);
+        AV_WN64A(row, temp);
+        AV_WN64A(row + 4, temp);
+        return;
+    }
+#else
+    if (!(AV_RN32A(row+2) |
+          AV_RN32A(row+4) |
+          AV_RN32A(row+6) |
+          row[1])) {
+        uint32_t temp;
+        if (DC_SHIFT - extra_shift >= 0) {
+            temp = (row[0] * (1 << (DC_SHIFT - extra_shift))) & 0xffff;
+        } else {
+            temp = ((row[0] + (1<<(extra_shift - DC_SHIFT-1))) >> (extra_shift - DC_SHIFT)) & 0xffff;
+        }
+        temp += temp * (1 << 16);
+        AV_WN32A(row, temp);
+        AV_WN32A(row+2, temp);
+        AV_WN32A(row+4, temp);
+        AV_WN32A(row+6, temp);
+        return;
+    }
+#endif
+#endif
+
+    a0 = ((SUINT)W4 * row[0]) + (1 << (ROW_SHIFT + extra_shift - 1));
+    a1 = a0;
+    a2 = a0;
+    a3 = a0;
+
+    a0 += (SUINT)W2 * row[2];
+    a1 += (SUINT)W6 * row[2];
+    a2 -= (SUINT)W6 * row[2];
+    a3 -= (SUINT)W2 * row[2];
+
+    b0 = MUL(W1, row[1]);
+    MAC(b0, W3, row[3]);
+    b1 = MUL(W3, row[1]);
+    MAC(b1, -W7, row[3]);
+    b2 = MUL(W5, row[1]);
+    MAC(b2, -W1, row[3]);
+    b3 = MUL(W7, row[1]);
+    MAC(b3, -W5, row[3]);
+
+#if IN_IDCT_DEPTH == 32
+    if (AV_RN64A(row + 4) | AV_RN64A(row + 6)) {
+#else
+    if (AV_RN64A(row + 4)) {
+#endif
+        a0 += (SUINT)  W4*row[4] + (SUINT)W6*row[6];
+        a1 += (SUINT)- W4*row[4] - (SUINT)W2*row[6];
+        a2 += (SUINT)- W4*row[4] + (SUINT)W2*row[6];
+        a3 += (SUINT)  W4*row[4] - (SUINT)W6*row[6];
+
+        MAC(b0,  W5, row[5]);
+        MAC(b0,  W7, row[7]);
+
+        MAC(b1, -W1, row[5]);
+        MAC(b1, -W5, row[7]);
+
+        MAC(b2,  W7, row[5]);
+        MAC(b2,  W3, row[7]);
+
+        MAC(b3,  W3, row[5]);
+        MAC(b3, -W1, row[7]);
+    }
+
+    row[0] = (int)(a0 + b0) >> (ROW_SHIFT + extra_shift);
+    row[7] = (int)(a0 - b0) >> (ROW_SHIFT + extra_shift);
+    row[1] = (int)(a1 + b1) >> (ROW_SHIFT + extra_shift);
+    row[6] = (int)(a1 - b1) >> (ROW_SHIFT + extra_shift);
+    row[2] = (int)(a2 + b2) >> (ROW_SHIFT + extra_shift);
+    row[5] = (int)(a2 - b2) >> (ROW_SHIFT + extra_shift);
+    row[3] = (int)(a3 + b3) >> (ROW_SHIFT + extra_shift);
+    row[4] = (int)(a3 - b3) >> (ROW_SHIFT + extra_shift);
+}
+
+#define IDCT_COLS do {                                  \
+        a0 = (SUINT)W4 * (col[8*0] + ((1<<(COL_SHIFT-1))/W4)); \
+        a1 = a0;                                        \
+        a2 = a0;                                        \
+        a3 = a0;                                        \
+                                                        \
+        a0 += (SUINT) W2*col[8*2];                             \
+        a1 += (SUINT) W6*col[8*2];                             \
+        a2 += (SUINT)-W6*col[8*2];                             \
+        a3 += (SUINT)-W2*col[8*2];                             \
+                                                        \
+        b0 = MUL(W1, col[8*1]);                         \
+        b1 = MUL(W3, col[8*1]);                         \
+        b2 = MUL(W5, col[8*1]);                         \
+        b3 = MUL(W7, col[8*1]);                         \
+                                                        \
+        MAC(b0,  W3, col[8*3]);                         \
+        MAC(b1, -W7, col[8*3]);                         \
+        MAC(b2, -W1, col[8*3]);                         \
+        MAC(b3, -W5, col[8*3]);                         \
+                                                        \
+        if (col[8*4]) {                                 \
+            a0 += (SUINT) W4*col[8*4];                         \
+            a1 += (SUINT)-W4*col[8*4];                         \
+            a2 += (SUINT)-W4*col[8*4];                         \
+            a3 += (SUINT) W4*col[8*4];                         \
+        }                                               \
+                                                        \
+        if (col[8*5]) {                                 \
+            MAC(b0,  W5, col[8*5]);                     \
+            MAC(b1, -W1, col[8*5]);                     \
+            MAC(b2,  W7, col[8*5]);                     \
+            MAC(b3,  W3, col[8*5]);                     \
+        }                                               \
+                                                        \
+        if (col[8*6]) {                                 \
+            a0 += (SUINT) W6*col[8*6];                         \
+            a1 += (SUINT)-W2*col[8*6];                         \
+            a2 += (SUINT) W2*col[8*6];                         \
+            a3 += (SUINT)-W6*col[8*6];                         \
+        }                                               \
+                                                        \
+        if (col[8*7]) {                                 \
+            MAC(b0,  W7, col[8*7]);                     \
+            MAC(b1, -W5, col[8*7]);                     \
+            MAC(b2,  W3, col[8*7]);                     \
+            MAC(b3, -W1, col[8*7]);                     \
+        }                                               \
+    } while (0)
+
+#ifdef EXTRA_SHIFT
+static inline void FUNC(idctSparseCol_extrashift)(int16_t *col)
+#else
+static inline void FUNC6(idctSparseColPut)(pixel *dest, ptrdiff_t line_size,
+                                          idctin *col)
+{
+    SUINT a0, a1, a2, a3, b0, b1, b2, b3;
+
+    IDCT_COLS;
+
+    dest[0] = av_clip_pixel((int)(a0 + b0) >> COL_SHIFT);
+    dest += line_size;
+    dest[0] = av_clip_pixel((int)(a1 + b1) >> COL_SHIFT);
+    dest += line_size;
+    dest[0] = av_clip_pixel((int)(a2 + b2) >> COL_SHIFT);
+    dest += line_size;
+    dest[0] = av_clip_pixel((int)(a3 + b3) >> COL_SHIFT);
+    dest += line_size;
+    dest[0] = av_clip_pixel((int)(a3 - b3) >> COL_SHIFT);
+    dest += line_size;
+    dest[0] = av_clip_pixel((int)(a2 - b2) >> COL_SHIFT);
+    dest += line_size;
+    dest[0] = av_clip_pixel((int)(a1 - b1) >> COL_SHIFT);
+    dest += line_size;
+    dest[0] = av_clip_pixel((int)(a0 - b0) >> COL_SHIFT);
+}
+
+static inline void FUNC6(idctSparseColAdd)(pixel *dest, ptrdiff_t line_size,
+                                          idctin *col)
+{
+    unsigned a0, a1, a2, a3, b0, b1, b2, b3;
+
+    IDCT_COLS;
+
+    dest[0] = av_clip_pixel(dest[0] + ((int)(a0 + b0) >> COL_SHIFT));
+    dest += line_size;
+    dest[0] = av_clip_pixel(dest[0] + ((int)(a1 + b1) >> COL_SHIFT));
+    dest += line_size;
+    dest[0] = av_clip_pixel(dest[0] + ((int)(a2 + b2) >> COL_SHIFT));
+    dest += line_size;
+    dest[0] = av_clip_pixel(dest[0] + ((int)(a3 + b3) >> COL_SHIFT));
+    dest += line_size;
+    dest[0] = av_clip_pixel(dest[0] + ((int)(a3 - b3) >> COL_SHIFT));
+    dest += line_size;
+    dest[0] = av_clip_pixel(dest[0] + ((int)(a2 - b2) >> COL_SHIFT));
+    dest += line_size;
+    dest[0] = av_clip_pixel(dest[0] + ((int)(a1 - b1) >> COL_SHIFT));
+    dest += line_size;
+    dest[0] = av_clip_pixel(dest[0] + ((int)(a0 - b0) >> COL_SHIFT));
+}
+
+static inline void FUNC6(idctSparseCol)(idctin *col)
+#endif
+{
+    unsigned a0, a1, a2, a3, b0, b1, b2, b3;
+
+    IDCT_COLS;
+
+    col[0 ] = ((int)(a0 + b0) >> COL_SHIFT);
+    col[8 ] = ((int)(a1 + b1) >> COL_SHIFT);
+    col[16] = ((int)(a2 + b2) >> COL_SHIFT);
+    col[24] = ((int)(a3 + b3) >> COL_SHIFT);
+    col[32] = ((int)(a3 - b3) >> COL_SHIFT);
+    col[40] = ((int)(a2 - b2) >> COL_SHIFT);
+    col[48] = ((int)(a1 - b1) >> COL_SHIFT);
+    col[56] = ((int)(a0 - b0) >> COL_SHIFT);
+}
+
+#ifndef EXTRA_SHIFT
+void FUNC6(ff_simple_idct_put)(uint8_t *dest_, ptrdiff_t line_size, int16_t *block_)
+{
+    idctin *block = (idctin *)block_;
+    pixel *dest = (pixel *)dest_;
+    int i;
+
+    line_size /= sizeof(pixel);
+
+    for (i = 0; i < 8; i++)
+        FUNC6(idctRowCondDC)(block + i*8, 0);
+
+    for (i = 0; i < 8; i++)
+        FUNC6(idctSparseColPut)(dest + i, line_size, block + i);
+}
+
+#if IN_IDCT_DEPTH == 16
+void FUNC6(ff_simple_idct_add)(uint8_t *dest_, ptrdiff_t line_size, int16_t *block)
+{
+    pixel *dest = (pixel *)dest_;
+    int i;
+
+    line_size /= sizeof(pixel);
+
+    for (i = 0; i < 8; i++)
+        FUNC6(idctRowCondDC)(block + i*8, 0);
+
+    for (i = 0; i < 8; i++)
+        FUNC6(idctSparseColAdd)(dest + i, line_size, block + i);
+}
+
+void FUNC6(ff_simple_idct)(int16_t *block)
+{
+    int i;
+
+    for (i = 0; i < 8; i++)
+        FUNC6(idctRowCondDC)(block + i*8, 0);
+
+    for (i = 0; i < 8; i++)
+        FUNC6(idctSparseCol)(block + i);
+}
+#endif
+#endif