making act segmenter

1 files changed, 111 insertions, 0 deletions

diff --git a/ffmpeg/libavcodec/tableprint.h b/ffmpeg/libavcodec/tableprint.h
new file mode 100644
index 0000000..1b39dc6
--- /dev/null
+++ b/ffmpeg/libavcodec/tableprint.h
@@ -0,0 +1,111 @@
+/*
+ * Generate a file for hardcoded tables
+ *
+ * Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
+ *
+ * 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
+ */
+
+#ifndef AVCODEC_TABLEPRINT_H
+#define AVCODEC_TABLEPRINT_H
+
+#include <inttypes.h>
+#include <stdio.h>
+
+#include "libavutil/common.h"
+
+#define WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, ...)\
+void write_##type##_array(const type *data, int len)\
+{\
+    int i;\
+    printf("   ");\
+    for (i = 0; i < len - 1; i++) {\
+       printf(" "fmtstr",", __VA_ARGS__);\
+       if ((i & linebrk) == linebrk) printf("\n   ");\
+    }\
+    printf(" "fmtstr"\n", __VA_ARGS__);\
+}
+
+#define WRITE_1D_FUNC(type, fmtstr, linebrk)\
+    WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, data[i])
+
+#define WRITE_2D_FUNC(type)\
+void write_##type##_2d_array(const void *arg, int len, int len2)\
+{\
+    const type *data = arg;\
+    int i;\
+    printf("    {\n");\
+    for (i = 0; i < len; i++) {\
+        write_##type##_array(data + i * len2, len2);\
+        printf(i == len - 1 ? "    }\n" : "    }, {\n");\
+    }\
+}
+
+/**
+ * @name Predefined functions for printing tables
+ *
+ * @{
+ */
+void write_int8_t_array     (const int8_t   *, int);
+void write_uint8_t_array    (const uint8_t  *, int);
+void write_uint16_t_array   (const uint16_t *, int);
+void write_uint32_t_array   (const uint32_t *, int);
+void write_float_array      (const float    *, int);
+void write_int8_t_2d_array  (const void *, int, int);
+void write_uint8_t_2d_array (const void *, int, int);
+void write_uint32_t_2d_array(const void *, int, int);
+void write_float_2d_array   (const void *, int, int);
+/** @} */ // end of printfuncs group
+
+#define WRITE_ARRAY(prefix, type, name)                 \
+    do {                                                \
+        const size_t array_size = FF_ARRAY_ELEMS(name); \
+        printf(prefix" "#type" "#name"[%zu] = {\n",     \
+               array_size);                             \
+        write_##type##_array(name, array_size);         \
+        printf("};\n");                                 \
+    } while(0)
+
+#define WRITE_2D_ARRAY(prefix, type, name)                              \
+    do {                                                                \
+        const size_t array_size1 = FF_ARRAY_ELEMS(name);                \
+        const size_t array_size2 = FF_ARRAY_ELEMS(name[0]);             \
+        printf(prefix" "#type" "#name"[%zu][%zu] = {\n",                \
+               array_size1, array_size2 );                              \
+        write_##type##_2d_array(name, array_size1, array_size2);        \
+        printf("};\n");                                                 \
+    } while(0)
+
+
+WRITE_1D_FUNC(int8_t,   "%3"PRIi8, 15)
+WRITE_1D_FUNC(uint8_t,  "0x%02"PRIx8, 15)
+WRITE_1D_FUNC(uint16_t, "0x%08"PRIx16, 7)
+WRITE_1D_FUNC(uint32_t, "0x%08"PRIx32, 7)
+WRITE_1D_FUNC(float,    "%.18e", 3)
+
+WRITE_2D_FUNC(int8_t)
+WRITE_2D_FUNC(uint8_t)
+WRITE_2D_FUNC(uint32_t)
+WRITE_2D_FUNC(float)
+
+static inline void write_fileheader(void)
+{
+    printf("/* This file was automatically generated. */\n");
+    printf("#include <stdint.h>\n");
+}
+
+#endif /* AVCODEC_TABLEPRINT_H */