/*
  * WavPack shared functions
  *

  * 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 AVFORMAT_WV_H
 #define AVFORMAT_WV_H
 
 #include <stdint.h>
 
 #define WV_HEADER_SIZE 32
 
 #define WV_FLAG_INITIAL_BLOCK (1 << 11)
 #define WV_FLAG_FINAL_BLOCK   (1 << 12)
 
 // specs say that maximum block size is 1Mb
 #define WV_BLOCK_LIMIT 1048576
 
 typedef struct WvHeader {
     uint32_t blocksize;     //< size of the block data (excluding the header)
     uint16_t version;       //< bitstream version
     uint32_t total_samples; //< total number of samples in the stream
     uint32_t block_idx;     //< index of the first sample in this block
     uint32_t samples;       //< number of samples in this block
     uint32_t flags;
     uint32_t crc;
 
     int initial, final;
 } WvHeader;
 
 /**
  * Parse a WavPack block header.
  *
  * @param wv   this struct will be filled with parse header information
  * @param data header data, must be WV_HEADER_SIZE bytes long
  *
  * @return 0 on success, a negative AVERROR code on failure
  */
 int ff_wv_parse_header(WvHeader *wv, const uint8_t *data);
 
 #endif /* AVFORMAT_WV_H */