1/* 2 * ALAC encoder and decoder common data 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#ifndef AVCODEC_ALAC_DATA_H 22#define AVCODEC_ALAC_DATA_H 23 24#include <stdint.h> 25 26#include "libavutil/channel_layout.h" 27 28enum AlacRawDataBlockType { 29 /* At the moment, only SCE, CPE, LFE, and END are recognized. */ 30 TYPE_SCE, 31 TYPE_CPE, 32 TYPE_CCE, 33 TYPE_LFE, 34 TYPE_DSE, 35 TYPE_PCE, 36 TYPE_FIL, 37 TYPE_END 38}; 39 40#define ALAC_MAX_CHANNELS 8 41 42extern const uint8_t ff_alac_channel_layout_offsets[ALAC_MAX_CHANNELS][ALAC_MAX_CHANNELS]; 43 44extern const AVChannelLayout ff_alac_ch_layouts[ALAC_MAX_CHANNELS + 1]; 45 46extern const enum AlacRawDataBlockType ff_alac_channel_elements[ALAC_MAX_CHANNELS][5]; 47 48#endif /* AVCODEC_ALAC_DATA_H */ 49