1 files changed, 72 insertions, 0 deletions
diff --git a/ffmpeg/libavcodec/ac3tab.h b/ffmpeg/libavcodec/ac3tab.h
new file mode 100644
index 0000000..c41a93e
--- /dev/null
+++ b/ffmpeg/libavcodec/ac3tab.h
@@ -0,0 +1,72 @@
+/*
+ * AC-3 tables
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
+ *
+ * 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_AC3TAB_H
+#define AVCODEC_AC3TAB_H
+
+#include "libavutil/common.h"
+#include "ac3.h"
+
+#if CONFIG_HARDCODED_TABLES
+#   define HCONST const
+#else
+#   define HCONST
+#endif
+
+extern const uint16_t ff_ac3_frame_size_tab[38][3];
+extern const uint8_t  ff_ac3_channels_tab[8];
+extern av_export const uint16_t avpriv_ac3_channel_layout_tab[8];
+extern const uint8_t  ff_ac3_enc_channel_map[8][2][6];
+extern const uint8_t  ff_ac3_dec_channel_map[8][2][6];
+extern const uint16_t ff_ac3_sample_rate_tab[3];
+extern const uint16_t ff_ac3_bitrate_tab[19];
+extern const uint8_t  ff_ac3_rematrix_band_tab[5];
+extern const uint8_t  ff_eac3_default_cpl_band_struct[18];
+extern const int16_t  ff_ac3_window[AC3_WINDOW_SIZE/2];
+extern const uint8_t  ff_ac3_log_add_tab[260];
+extern const uint16_t ff_ac3_hearing_threshold_tab[AC3_CRITICAL_BANDS][3];
+extern const uint8_t  ff_ac3_bap_tab[64];
+extern const uint8_t  ff_ac3_slow_decay_tab[4];
+extern const uint8_t  ff_ac3_fast_decay_tab[4];
+extern const uint16_t ff_ac3_slow_gain_tab[4];
+extern const uint16_t ff_ac3_db_per_bit_tab[4];
+extern const int16_t  ff_ac3_floor_tab[8];
+extern const uint16_t ff_ac3_fast_gain_tab[8];
+extern const uint16_t ff_eac3_default_chmap[8];
+extern const uint8_t  ff_ac3_band_start_tab[AC3_CRITICAL_BANDS+1];
+extern HCONST uint8_t ff_ac3_bin_to_band_tab[253];
+
+/** Custom channel map locations bitmask
+ *  Other channels described in documentation:
+ *      Lc/Rc pair, Lrs/Rrs pair, Ts, Lsd/Rsd pair,
+ *      Lw/Rw pair, Lvh/Rvh pair, Cvh, Reserved, LFE2
+ */
+enum CustomChannelMapLocation{
+    AC3_CHMAP_L=        1<<(15-0),
+    AC3_CHMAP_C=        1<<(15-1),
+    AC3_CHMAP_R=        1<<(15-2),
+    AC3_CHMAP_L_SUR=    1<<(15-3),
+    AC3_CHMAP_R_SUR =   1<<(15-4),
+    AC3_CHMAP_C_SUR=    1<<(15-7),
+    AC3_CHMAP_LFE =     1<<(15-15)
+};
+
+#endif /* AVCODEC_AC3TAB_H */