libbpg-0.9.5

libavcodec/videodsp.c

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2012 Ronald S. Bultje
+ *
+ * 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 "videodsp.h"
+
+#ifdef USE_PRED
+
+#if !defined(USE_VAR_BIT_DEPTH)
+#define BIT_DEPTH 8
+#include "videodsp_template.c"
+#undef BIT_DEPTH
+#endif
+
+#if defined(USE_VAR_BIT_DEPTH) || defined(USE_FULL)
+#define BIT_DEPTH 16
+#include "videodsp_template.c"
+#undef BIT_DEPTH
+#endif
+
+#ifdef USE_FULL
+static void just_return(uint8_t *buf, ptrdiff_t stride, int h)
+{
+}
+#endif
+
+av_cold void ff_videodsp_init(VideoDSPContext *ctx, int bpc)
+{
+#ifdef USE_FULL
+    ctx->prefetch = just_return;
+#endif
+
+#ifdef USE_FULL
+    if (bpc <= 8) {
+        ctx->emulated_edge_mc = ff_emulated_edge_mc_8;
+    } else {
+        ctx->emulated_edge_mc = ff_emulated_edge_mc_16;
+    }
+#else
+#if defined(USE_VAR_BIT_DEPTH)
+    ctx->emulated_edge_mc = ff_emulated_edge_mc_var;
+#else
+    ctx->emulated_edge_mc = ff_emulated_edge_mc_8;
+#endif
+#endif /* !USE_FULL */
+
+    if (ARCH_AARCH64)
+        ff_videodsp_init_aarch64(ctx, bpc);
+    if (ARCH_ARM)
+        ff_videodsp_init_arm(ctx, bpc);
+    if (ARCH_PPC)
+        ff_videodsp_init_ppc(ctx, bpc);
+    if (ARCH_X86)
+        ff_videodsp_init_x86(ctx, bpc);
+}
+
+#endif