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  1. /*
  2.  * DCA compatible decoder
  3.  * Copyright (C) 2004 Gildas Bazin
  4.  * Copyright (C) 2004 Benjamin Zores
  5.  * Copyright (C) 2006 Benjamin Larsson
  6.  * Copyright (C) 2007 Konstantin Shishkov
  7.  *
  8.  * This file is part of FFmpeg.
  9.  *
  10.  * FFmpeg is free software; you can redistribute it and/or
  11.  * modify it under the terms of the GNU Lesser General Public
  12.  * License as published by the Free Software Foundation; either
  13.  * version 2.1 of the License, or (at your option) any later version.
  14.  *
  15.  * FFmpeg is distributed in the hope that it will be useful,
  16.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18.  * Lesser General Public License for more details.
  19.  *
  20.  * You should have received a copy of the GNU Lesser General Public
  21.  * License along with FFmpeg; if not, write to the Free Software
  22.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  23.  */
  24.  
  25. #ifndef AVCODEC_DCA_H
  26. #define AVCODEC_DCA_H
  27.  
  28. #include <stdint.h>
  29. #include "libavutil/internal.h"
  30.  
  31. /** DCA syncwords, also used for bitstream type detection */
  32. #define DCA_MARKER_RAW_BE 0x7FFE8001
  33. #define DCA_MARKER_RAW_LE 0xFE7F0180
  34. #define DCA_MARKER_14B_BE 0x1FFFE800
  35. #define DCA_MARKER_14B_LE 0xFF1F00E8
  36.  
  37. /** DCA-HD specific block starts with this marker. */
  38. #define DCA_HD_MARKER     0x64582025
  39.  
  40. extern av_export const uint32_t avpriv_dca_sample_rates[16];
  41.  
  42. /**
  43.  * Convert bitstream to one representation based on sync marker
  44.  */
  45. int ff_dca_convert_bitstream(const uint8_t *src, int src_size, uint8_t *dst,
  46.                              int max_size);
  47.  
  48. #endif /* AVCODEC_DCA_H */
  49.