libbpg-0.9.3

libavcodec/hevcpred.c

@@ -0,0 +1,104 @@
+/*
+ * HEVC video Decoder
+ *
+ * Copyright (C) 2012 - 2013 Guillaume Martres
+ *
+ * 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 "hevc.h"
+
+#include "hevcpred.h"
+
+#if defined(USE_FULL)
+#define HEVC_INLINE av_always_inline
+#else
+/* Note: slower but smaller */
+#define HEVC_INLINE av_noinline
+#endif
+
+#ifdef USE_VAR_BIT_DEPTH
+
+#define BIT_DEPTH bit_depth
+#include "hevcpred_template.c"
+#undef BIT_DEPTH
+
+#else
+
+#define BIT_DEPTH 8
+#include "hevcpred_template.c"
+#undef BIT_DEPTH
+
+#ifdef USE_FULL
+#define BIT_DEPTH 9
+#include "hevcpred_template.c"
+#undef BIT_DEPTH
+
+#define BIT_DEPTH 10
+#include "hevcpred_template.c"
+#undef BIT_DEPTH
+
+#define BIT_DEPTH 12
+#include "hevcpred_template.c"
+#undef BIT_DEPTH
+#endif /* USE_FULL */
+
+#endif /* USE_VAR_BIT_DEPTH */
+
+#ifdef USE_FUNC_PTR
+void ff_hevc_pred_init(HEVCPredContext *hpc, int bit_depth)
+{
+#undef FUNC
+#define FUNC(a, depth) a ## _ ## depth
+
+#define HEVC_PRED(depth)                                \
+    hpc->intra_pred[0]   = FUNC(intra_pred_2, depth);   \
+    hpc->intra_pred[1]   = FUNC(intra_pred_3, depth);   \
+    hpc->intra_pred[2]   = FUNC(intra_pred_4, depth);   \
+    hpc->intra_pred[3]   = FUNC(intra_pred_5, depth);   \
+    hpc->pred_planar[0]  = FUNC(pred_planar_0, depth);  \
+    hpc->pred_planar[1]  = FUNC(pred_planar_1, depth);  \
+    hpc->pred_planar[2]  = FUNC(pred_planar_2, depth);  \
+    hpc->pred_planar[3]  = FUNC(pred_planar_3, depth);  \
+    hpc->pred_dc         = FUNC(pred_dc, depth);        \
+    hpc->pred_angular[0] = FUNC(pred_angular_0, depth); \
+    hpc->pred_angular[1] = FUNC(pred_angular_1, depth); \
+    hpc->pred_angular[2] = FUNC(pred_angular_2, depth); \
+    hpc->pred_angular[3] = FUNC(pred_angular_3, depth);
+
+#ifdef USE_VAR_BIT_DEPTH
+    HEVC_PRED(var);
+#else
+    switch (bit_depth) {
+#ifdef USE_FULL
+    case 9:
+        HEVC_PRED(9);
+        break;
+    case 10:
+        HEVC_PRED(10);
+        break;
+    case 12:
+        HEVC_PRED(12);
+        break;
+#endif /* USE_FULL */
+    default:
+        HEVC_PRED(8);
+        break;
+    }
+#endif /* !USE_VAR_BIT_DEPTH */
+}
+#endif