Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 315 insertions, 0 deletions

diff --git a/media/ffvpx/libavcodec/idctdsp.c b/media/ffvpx/libavcodec/idctdsp.c
new file mode 100644
index 0000000000..7216afb094
--- /dev/null
+++ b/media/ffvpx/libavcodec/idctdsp.c
@@ -0,0 +1,315 @@
+/*
+ * 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 "config_components.h"
+#include "libavutil/attributes.h"
+#include "libavutil/common.h"
+#include "avcodec.h"
+#include "dct.h"
+#include "faanidct.h"
+#include "idctdsp.h"
+#include "simple_idct.h"
+#include "xvididct.h"
+
+av_cold void ff_permute_scantable(uint8_t dst[64], const uint8_t src[64],
+                                  const uint8_t permutation[64])
+{
+    for (int i = 0; i < 64; i++) {
+        int j = src[i];
+        dst[i] = permutation[j];
+    }
+}
+
+av_cold void ff_init_scantable_permutation(uint8_t *idct_permutation,
+                                           enum idct_permutation_type perm_type)
+{
+    int i;
+
+#if ARCH_X86
+    if (ff_init_scantable_permutation_x86(idct_permutation,
+                                          perm_type))
+        return;
+#endif
+
+    switch (perm_type) {
+    case FF_IDCT_PERM_NONE:
+        for (i = 0; i < 64; i++)
+            idct_permutation[i] = i;
+        break;
+    case FF_IDCT_PERM_LIBMPEG2:
+        for (i = 0; i < 64; i++)
+            idct_permutation[i] = (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2);
+        break;
+    case FF_IDCT_PERM_TRANSPOSE:
+        for (i = 0; i < 64; i++)
+            idct_permutation[i] = ((i & 7) << 3) | (i >> 3);
+        break;
+    case FF_IDCT_PERM_PARTTRANS:
+        for (i = 0; i < 64; i++)
+            idct_permutation[i] = (i & 0x24) | ((i & 3) << 3) | ((i >> 3) & 3);
+        break;
+    default:
+        av_log(NULL, AV_LOG_ERROR,
+               "Internal error, IDCT permutation not set\n");
+    }
+}
+
+void ff_put_pixels_clamped_c(const int16_t *block, uint8_t *av_restrict pixels,
+                             ptrdiff_t line_size)
+{
+    int i;
+
+    /* read the pixels */
+    for (i = 0; i < 8; i++) {
+        pixels[0] = av_clip_uint8(block[0]);
+        pixels[1] = av_clip_uint8(block[1]);
+        pixels[2] = av_clip_uint8(block[2]);
+        pixels[3] = av_clip_uint8(block[3]);
+        pixels[4] = av_clip_uint8(block[4]);
+        pixels[5] = av_clip_uint8(block[5]);
+        pixels[6] = av_clip_uint8(block[6]);
+        pixels[7] = av_clip_uint8(block[7]);
+
+        pixels += line_size;
+        block  += 8;
+    }
+}
+
+static void put_pixels_clamped4_c(const int16_t *block, uint8_t *av_restrict pixels,
+                                 int line_size)
+{
+    int i;
+
+    /* read the pixels */
+    for(i=0;i<4;i++) {
+        pixels[0] = av_clip_uint8(block[0]);
+        pixels[1] = av_clip_uint8(block[1]);
+        pixels[2] = av_clip_uint8(block[2]);
+        pixels[3] = av_clip_uint8(block[3]);
+
+        pixels += line_size;
+        block += 8;
+    }
+}
+
+static void put_pixels_clamped2_c(const int16_t *block, uint8_t *av_restrict pixels,
+                                 int line_size)
+{
+    int i;
+
+    /* read the pixels */
+    for(i=0;i<2;i++) {
+        pixels[0] = av_clip_uint8(block[0]);
+        pixels[1] = av_clip_uint8(block[1]);
+
+        pixels += line_size;
+        block += 8;
+    }
+}
+
+static void put_signed_pixels_clamped_c(const int16_t *block,
+                                        uint8_t *av_restrict pixels,
+                                        ptrdiff_t line_size)
+{
+    int i, j;
+
+    for (i = 0; i < 8; i++) {
+        for (j = 0; j < 8; j++) {
+            if (*block < -128)
+                *pixels = 0;
+            else if (*block > 127)
+                *pixels = 255;
+            else
+                *pixels = (uint8_t) (*block + 128);
+            block++;
+            pixels++;
+        }
+        pixels += (line_size - 8);
+    }
+}
+
+void ff_add_pixels_clamped_c(const int16_t *block, uint8_t *av_restrict pixels,
+                             ptrdiff_t line_size)
+{
+    int i;
+
+    /* read the pixels */
+    for (i = 0; i < 8; i++) {
+        pixels[0] = av_clip_uint8(pixels[0] + block[0]);
+        pixels[1] = av_clip_uint8(pixels[1] + block[1]);
+        pixels[2] = av_clip_uint8(pixels[2] + block[2]);
+        pixels[3] = av_clip_uint8(pixels[3] + block[3]);
+        pixels[4] = av_clip_uint8(pixels[4] + block[4]);
+        pixels[5] = av_clip_uint8(pixels[5] + block[5]);
+        pixels[6] = av_clip_uint8(pixels[6] + block[6]);
+        pixels[7] = av_clip_uint8(pixels[7] + block[7]);
+        pixels   += line_size;
+        block    += 8;
+    }
+}
+
+static void add_pixels_clamped4_c(const int16_t *block, uint8_t *av_restrict pixels,
+                          int line_size)
+{
+    int i;
+
+    /* read the pixels */
+    for(i=0;i<4;i++) {
+        pixels[0] = av_clip_uint8(pixels[0] + block[0]);
+        pixels[1] = av_clip_uint8(pixels[1] + block[1]);
+        pixels[2] = av_clip_uint8(pixels[2] + block[2]);
+        pixels[3] = av_clip_uint8(pixels[3] + block[3]);
+        pixels += line_size;
+        block += 8;
+    }
+}
+
+static void add_pixels_clamped2_c(const int16_t *block, uint8_t *av_restrict pixels,
+                          int line_size)
+{
+    int i;
+
+    /* read the pixels */
+    for(i=0;i<2;i++) {
+        pixels[0] = av_clip_uint8(pixels[0] + block[0]);
+        pixels[1] = av_clip_uint8(pixels[1] + block[1]);
+        pixels += line_size;
+        block += 8;
+    }
+}
+
+static void ff_jref_idct4_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
+{
+    ff_j_rev_dct4 (block);
+    put_pixels_clamped4_c(block, dest, line_size);
+}
+static void ff_jref_idct4_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
+{
+    ff_j_rev_dct4 (block);
+    add_pixels_clamped4_c(block, dest, line_size);
+}
+
+static void ff_jref_idct2_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
+{
+    ff_j_rev_dct2 (block);
+    put_pixels_clamped2_c(block, dest, line_size);
+}
+static void ff_jref_idct2_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
+{
+    ff_j_rev_dct2 (block);
+    add_pixels_clamped2_c(block, dest, line_size);
+}
+
+static void ff_jref_idct1_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
+{
+    dest[0] = av_clip_uint8((block[0] + 4)>>3);
+}
+static void ff_jref_idct1_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
+{
+    dest[0] = av_clip_uint8(dest[0] + ((block[0] + 4)>>3));
+}
+
+av_cold void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx)
+{
+    av_unused const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
+
+    if (avctx->lowres==1) {
+        c->idct_put  = ff_jref_idct4_put;
+        c->idct_add  = ff_jref_idct4_add;
+        c->idct      = ff_j_rev_dct4;
+        c->perm_type = FF_IDCT_PERM_NONE;
+    } else if (avctx->lowres==2) {
+        c->idct_put  = ff_jref_idct2_put;
+        c->idct_add  = ff_jref_idct2_add;
+        c->idct      = ff_j_rev_dct2;
+        c->perm_type = FF_IDCT_PERM_NONE;
+    } else if (avctx->lowres==3) {
+        c->idct_put  = ff_jref_idct1_put;
+        c->idct_add  = ff_jref_idct1_add;
+        c->idct      = ff_j_rev_dct1;
+        c->perm_type = FF_IDCT_PERM_NONE;
+    } else {
+        if (avctx->bits_per_raw_sample == 10 || avctx->bits_per_raw_sample == 9) {
+            /* 10-bit MPEG-4 Simple Studio Profile requires a higher precision IDCT
+               However, it only uses idct_put */
+            if (c->mpeg4_studio_profile) {
+                c->idct_put              = ff_simple_idct_put_int32_10bit;
+                c->idct_add              = NULL;
+                c->idct                  = NULL;
+            } else {
+                c->idct_put              = ff_simple_idct_put_int16_10bit;
+                c->idct_add              = ff_simple_idct_add_int16_10bit;
+                c->idct                  = ff_simple_idct_int16_10bit;
+            }
+            c->perm_type             = FF_IDCT_PERM_NONE;
+        } else if (avctx->bits_per_raw_sample == 12) {
+            c->idct_put              = ff_simple_idct_put_int16_12bit;
+            c->idct_add              = ff_simple_idct_add_int16_12bit;
+            c->idct                  = ff_simple_idct_int16_12bit;
+            c->perm_type             = FF_IDCT_PERM_NONE;
+        } else {
+            if (avctx->idct_algo == FF_IDCT_INT) {
+                c->idct_put  = ff_jref_idct_put;
+                c->idct_add  = ff_jref_idct_add;
+                c->idct      = ff_j_rev_dct;
+                c->perm_type = FF_IDCT_PERM_LIBMPEG2;
+#if CONFIG_FAANIDCT
+            } else if (avctx->idct_algo == FF_IDCT_FAAN) {
+                c->idct_put  = ff_faanidct_put;
+                c->idct_add  = ff_faanidct_add;
+                c->idct      = ff_faanidct;
+                c->perm_type = FF_IDCT_PERM_NONE;
+#endif /* CONFIG_FAANIDCT */
+            } else { // accurate/default
+                c->idct_put  = ff_simple_idct_put_int16_8bit;
+                c->idct_add  = ff_simple_idct_add_int16_8bit;
+                c->idct      = ff_simple_idct_int16_8bit;
+                c->perm_type = FF_IDCT_PERM_NONE;
+            }
+        }
+    }
+
+    c->put_pixels_clamped        = ff_put_pixels_clamped_c;
+    c->put_signed_pixels_clamped = put_signed_pixels_clamped_c;
+    c->add_pixels_clamped        = ff_add_pixels_clamped_c;
+
+    if (CONFIG_MPEG4_DECODER && avctx->idct_algo == FF_IDCT_XVID)
+        ff_xvid_idct_init(c, avctx);
+
+#if ARCH_AARCH64
+    ff_idctdsp_init_aarch64(c, avctx, high_bit_depth);
+#elif ARCH_ALPHA
+    ff_idctdsp_init_alpha(c, avctx, high_bit_depth);
+#elif ARCH_ARM
+    ff_idctdsp_init_arm(c, avctx, high_bit_depth);
+#elif ARCH_PPC
+    ff_idctdsp_init_ppc(c, avctx, high_bit_depth);
+#elif ARCH_RISCV
+    ff_idctdsp_init_riscv(c, avctx, high_bit_depth);
+#elif ARCH_X86
+    ff_idctdsp_init_x86(c, avctx, high_bit_depth);
+#elif ARCH_MIPS
+    ff_idctdsp_init_mips(c, avctx, high_bit_depth);
+#elif ARCH_LOONGARCH
+    ff_idctdsp_init_loongarch(c, avctx, high_bit_depth);
+#endif
+
+    ff_init_scantable_permutation(c->idct_permutation,
+                                  c->perm_type);
+}