1 files changed, 79 insertions, 0 deletions
diff --git a/libavcodec/dirac_dwt.c b/libavcodec/dirac_dwt.c
new file mode 100644
index 0000000000..cc08f8865a
--- /dev/null
+++ b/libavcodec/dirac_dwt.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2004-2010 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (C) 2008 David Conrad
+ *
+ * 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 "libavutil/avassert.h"
+#include "libavutil/common.h"
+#include "dirac_dwt.h"
+
+#define TEMPLATE_8bit
+#include "dirac_dwt_template.c"
+
+#define TEMPLATE_10bit
+#include "dirac_dwt_template.c"
+
+#define TEMPLATE_12bit
+#include "dirac_dwt_template.c"
+
+int ff_spatial_idwt_init(DWTContext *d, DWTPlane *p, enum dwt_type type,
+                         int decomposition_count, int bit_depth)
+{
+    int ret = 0;
+
+    d->buffer = p->buf;
+    d->width  = p->width;
+    d->height = p->height;
+    d->stride = p->stride;
+    d->temp   = p->tmp;
+    d->decomposition_count = decomposition_count;
+
+    if (bit_depth == 8)
+        ret = ff_spatial_idwt_init_8bit(d, type);
+    else if (bit_depth == 10)
+        ret = ff_spatial_idwt_init_10bit(d, type);
+    else if (bit_depth == 12)
+        ret = ff_spatial_idwt_init_12bit(d, type);
+    else
+        av_log(NULL, AV_LOG_WARNING, "Unsupported bit depth = %i\n", bit_depth);
+
+    if (ret) {
+        av_log(NULL, AV_LOG_ERROR, "Unknown wavelet type %d\n", type);
+        return AVERROR_INVALIDDATA;
+    }
+
+    if (ARCH_X86 && bit_depth == 8)
+        ff_spatial_idwt_init_x86(d, type);
+    return 0;
+}
+
+void ff_spatial_idwt_slice2(DWTContext *d, int y)
+{
+    int level, support = d->support;
+
+    for (level = d->decomposition_count-1; level >= 0; level--) {
+        int wl = d->width  >> level;
+        int hl = d->height >> level;
+        int stride_l = d->stride << level;
+
+        while (d->cs[level].y <= FFMIN((y>>level)+support, hl))
+            d->spatial_compose(d, level, wl, hl, stride_l);
+    }
+}