+/*
+ * MPEG1 codec / MPEG2 decoder
+ * copyright (c) 2000,2001 Fabrice Bellard
+ * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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
+ */
+
/**
* @file mpeg12data.h
* MPEG1/2 tables.
*/
-const int16_t ff_mpeg1_default_intra_matrix[64] = {
- 8, 16, 19, 22, 26, 27, 29, 34,
- 16, 16, 22, 24, 27, 29, 34, 37,
- 19, 22, 26, 27, 29, 34, 34, 38,
- 22, 22, 26, 27, 29, 34, 37, 40,
- 22, 26, 27, 29, 32, 35, 40, 48,
- 26, 27, 29, 32, 35, 40, 48, 58,
- 26, 27, 29, 34, 38, 46, 56, 69,
- 27, 29, 35, 38, 46, 56, 69, 83
+const uint16_t ff_mpeg1_default_intra_matrix[64] = {
+ 8, 16, 19, 22, 26, 27, 29, 34,
+ 16, 16, 22, 24, 27, 29, 34, 37,
+ 19, 22, 26, 27, 29, 34, 34, 38,
+ 22, 22, 26, 27, 29, 34, 37, 40,
+ 22, 26, 27, 29, 32, 35, 40, 48,
+ 26, 27, 29, 32, 35, 40, 48, 58,
+ 26, 27, 29, 34, 38, 46, 56, 69,
+ 27, 29, 35, 38, 46, 56, 69, 83
};
-const int16_t ff_mpeg1_default_non_intra_matrix[64] = {
+const uint16_t ff_mpeg1_default_non_intra_matrix[64] = {
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
};
-const uint16_t vlc_dc_chroma_code[12] = {
+static const uint16_t vlc_dc_chroma_code[12] = {
0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
};
-const unsigned char vlc_dc_chroma_bits[12] = {
+static const unsigned char vlc_dc_chroma_bits[12] = {
2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
};
{ 0xc, 10 },
};
-static const AVRational frame_rate_tab[] = {
+const AVRational ff_frame_rate_tab[] = {
{ 0, 0},
{24000, 1001},
{ 24, 1},
56,64,72,80,88,96,104,112,
};
+static const uint8_t inv_non_linear_qscale[13] = {
+ 0, 2, 4, 6, 8,
+ 9,10,11,12,13,14,15,16,
+};
+
const uint8_t ff_mpeg1_dc_scale_table[128]={
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
};
-const static uint8_t mpeg2_dc_scale_table1[128]={
+static const uint8_t mpeg2_dc_scale_table1[128]={
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,