adding ffmpeg specific version

1 files changed, 173 insertions, 0 deletions

diff --git a/ffmpeg1/libavcodec/bfin/dsputil_bfin.c b/ffmpeg1/libavcodec/bfin/dsputil_bfin.c
new file mode 100644
index 0000000..c9a0f15
--- /dev/null
+++ b/ffmpeg1/libavcodec/bfin/dsputil_bfin.c
@@ -0,0 +1,173 @@
+/*
+ * BlackFin DSPUTILS
+ *
+ * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
+ * Copyright (c) 2006 Michael Benjamin <michael.benjamin@analog.com>
+ *
+ * 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 "libavutil/attributes.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/dsputil.h"
+#include "dsputil_bfin.h"
+
+int off;
+
+static void bfin_idct_add (uint8_t *dest, int line_size, int16_t *block)
+{
+    ff_bfin_idct (block);
+    ff_bfin_add_pixels_clamped (block, dest, line_size);
+}
+
+static void bfin_idct_put (uint8_t *dest, int line_size, int16_t *block)
+{
+    ff_bfin_idct (block);
+    ff_bfin_put_pixels_clamped (block, dest, line_size);
+}
+
+
+static void bfin_clear_blocks (int16_t *blocks)
+{
+    // This is just a simple memset.
+    //
+    __asm__("P0=192; "
+        "I0=%0;  "
+        "R0=0;   "
+        "LSETUP(clear_blocks_blkfn_lab,clear_blocks_blkfn_lab)LC0=P0;"
+        "clear_blocks_blkfn_lab:"
+        "[I0++]=R0;"
+        ::"a" (blocks):"P0","I0","R0");
+}
+
+static int bfin_pix_abs16 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
+{
+    return ff_bfin_z_sad16x16 (blk1,blk2,line_size,line_size,h);
+}
+
+static int bfin_vsad_intra16 (void *c, uint8_t *blk1, uint8_t *dummy, int stride, int h) {
+    return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h);
+}
+
+static int bfin_vsad (void *c, uint8_t *blk1, uint8_t *blk2, int stride, int h) {
+    return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h)
+        + ff_bfin_z_sad16x16 (blk2,blk2+stride,stride<<1,stride<<1,h);
+}
+
+static uint8_t vtmp_blk[256] attribute_l1_data_b;
+
+static int bfin_pix_abs16_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
+{
+    ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+1, 16, line_size, h);
+    return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h);
+}
+
+static int bfin_pix_abs16_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
+{
+    ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+line_size, 16, line_size, h);
+    return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h);
+}
+
+static int bfin_pix_abs16_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
+{
+    ff_bfin_z_put_pixels16_xy2 (vtmp_blk, blk2, 16, line_size, h);
+    return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h);
+}
+
+static int bfin_pix_abs8 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
+{
+    return ff_bfin_z_sad8x8 (blk1,blk2,line_size,line_size, h);
+}
+
+static int bfin_pix_abs8_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
+{
+    ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+1, 8, line_size, h);
+    return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h);
+}
+
+static int bfin_pix_abs8_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
+{
+    ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+line_size, 8, line_size, h);
+    return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h);
+}
+
+static int bfin_pix_abs8_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
+{
+    ff_bfin_z_put_pixels8_xy2 (vtmp_blk, blk2, 8, line_size, h);
+    return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h);
+}
+
+
+/*
+  decoder optimization
+  start on 2/11 100 frames of 352x240@25 compiled with no optimization -g debugging
+  9.824s ~ 2.44x off
+  6.360s ~ 1.58x off with -O2
+  5.740s ~ 1.43x off with idcts
+
+  2.64s    2/20 same sman.mp4 decode only
+
+*/
+
+av_cold void ff_dsputil_init_bfin(DSPContext *c, AVCodecContext *avctx)
+{
+    const int high_bit_depth = avctx->bits_per_raw_sample > 8;
+
+    c->diff_pixels        = ff_bfin_diff_pixels;
+    c->put_pixels_clamped = ff_bfin_put_pixels_clamped;
+    c->add_pixels_clamped = ff_bfin_add_pixels_clamped;
+
+    if (!high_bit_depth)
+    c->get_pixels         = ff_bfin_get_pixels;
+    c->clear_blocks       = bfin_clear_blocks;
+    c->pix_sum            = ff_bfin_pix_sum;
+    c->pix_norm1          = ff_bfin_pix_norm1;
+
+    c->sad[0]             = bfin_pix_abs16;
+    c->sad[1]             = bfin_pix_abs8;
+
+/*     c->vsad[0]            = bfin_vsad; */
+/*     c->vsad[4]            = bfin_vsad_intra16; */
+
+    /* TODO [0] 16  [1] 8 */
+    c->pix_abs[0][0] = bfin_pix_abs16;
+    c->pix_abs[0][1] = bfin_pix_abs16_x2;
+    c->pix_abs[0][2] = bfin_pix_abs16_y2;
+    c->pix_abs[0][3] = bfin_pix_abs16_xy2;
+
+    c->pix_abs[1][0] = bfin_pix_abs8;
+    c->pix_abs[1][1] = bfin_pix_abs8_x2;
+    c->pix_abs[1][2] = bfin_pix_abs8_y2;
+    c->pix_abs[1][3] = bfin_pix_abs8_xy2;
+
+
+    c->sse[0] = ff_bfin_sse16;
+    c->sse[1] = ff_bfin_sse8;
+    c->sse[2] = ff_bfin_sse4;
+
+    if (avctx->bits_per_raw_sample <= 8) {
+        if (avctx->dct_algo == FF_DCT_AUTO)
+            c->fdct                  = ff_bfin_fdct;
+
+    if (avctx->idct_algo == FF_IDCT_AUTO) {
+            c->idct_permutation_type = FF_NO_IDCT_PERM;
+            c->idct                  = ff_bfin_idct;
+            c->idct_add              = bfin_idct_add;
+            c->idct_put              = bfin_idct_put;
+        }
+    }
+}