* MPEG Audio common tables
* copyright (c) 2002 Fabrice Bellard
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file mpegaudiodata.c
+ * @file
* mpeg audio layer common tables.
*/
#include "mpegaudiodata.h"
-const uint16_t mpa_bitrate_tab[2][3][15] = {
+const uint16_t avpriv_mpa_bitrate_tab[2][3][15] = {
{ {0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448 },
{0, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384 },
{0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320 } },
}
};
-const uint16_t mpa_freq_tab[3] = { 44100, 48000, 32000 };
+const uint16_t avpriv_mpa_freq_tab[3] = { 44100, 48000, 32000 };
/*******************************************************/
/* half mpeg encoding window (full precision) */
-const int32_t mpa_enwindow[257] = {
+const int32_t ff_mpa_enwindow[257] = {
0, -1, -1, -1, -1, -1, -1, -2,
-2, -2, -2, -3, -3, -4, -4, -5,
-5, -6, -7, -7, -8, -9, -10, -11,
/*******************************************************/
/* layer 2 tables */
-const int sblimit_table[5] = { 27 , 30 , 8, 12 , 30 };
+const int ff_mpa_sblimit_table[5] = { 27 , 30 , 8, 12 , 30 };
-const int quant_steps[17] = {
+const int ff_mpa_quant_steps[17] = {
3, 5, 7, 9, 15,
31, 63, 127, 255, 511,
1023, 2047, 4095, 8191, 16383,
};
/* we use a negative value if grouped */
-const int quant_bits[17] = {
+const int ff_mpa_quant_bits[17] = {
-5, -7, 3, -10, 4,
5, 6, 7, 8, 9,
10, 11, 12, 13, 14,
/* encoding tables which give the quantization index. Note how it is
possible to store them efficiently ! */
-static const unsigned char alloc_table_0[] = {
- 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
- 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
- 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
- 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
- 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
- 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
- 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
- 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
- 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
- 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
- 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
- 3, 0, 1, 2, 3, 4, 5, 16,
- 3, 0, 1, 2, 3, 4, 5, 16,
- 3, 0, 1, 2, 3, 4, 5, 16,
- 3, 0, 1, 2, 3, 4, 5, 16,
- 3, 0, 1, 2, 3, 4, 5, 16,
- 3, 0, 1, 2, 3, 4, 5, 16,
- 3, 0, 1, 2, 3, 4, 5, 16,
- 3, 0, 1, 2, 3, 4, 5, 16,
- 3, 0, 1, 2, 3, 4, 5, 16,
- 3, 0, 1, 2, 3, 4, 5, 16,
- 3, 0, 1, 2, 3, 4, 5, 16,
- 3, 0, 1, 2, 3, 4, 5, 16,
- 2, 0, 1, 16,
- 2, 0, 1, 16,
- 2, 0, 1, 16,
- 2, 0, 1, 16,
-};
-
static const unsigned char alloc_table_1[] = {
4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
2, 0, 1, 16,
};
-static const unsigned char alloc_table_2[] = {
- 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 3, 0, 1, 3, 4, 5, 6, 7,
- 3, 0, 1, 3, 4, 5, 6, 7,
- 3, 0, 1, 3, 4, 5, 6, 7,
- 3, 0, 1, 3, 4, 5, 6, 7,
- 3, 0, 1, 3, 4, 5, 6, 7,
- 3, 0, 1, 3, 4, 5, 6, 7,
-};
-
static const unsigned char alloc_table_3[] = {
4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
2, 0, 1, 3,
};
-const unsigned char *alloc_tables[5] =
-{ alloc_table_0, alloc_table_1, alloc_table_2, alloc_table_3, alloc_table_4, };
+const unsigned char * const ff_mpa_alloc_tables[5] =
+{ alloc_table_1, alloc_table_1, alloc_table_3, alloc_table_3, alloc_table_4, };