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 40extern av_export const uint32_t avpriv_dca_sample_rates[16]; 41 42/** 43 * Convert bitstream to one representation based on sync marker 44 */ 45int 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