#ifndef AVIO_LPBUF_HEADER
#define AVIO_LPBUF_HEADER
#include <libavformat/avio.h>
#include <libavformat/url.h>

#include <pthread.h>
#include "stdio.h"

#define lock_t pthread_mutex_t
#define lp_lock_init(x, v) pthread_mutex_init(x, v)
#define lp_lock(x) pthread_mutex_lock(x)
#define lp_unlock(x) pthread_mutex_unlock(x)
#define lp_trylock(x) pthread_mutex_trylock(x)

/*URL flags*/
#define LESS_READ_SEEK (0x10000)
#define MORE_READ_SEEK (0x20000)
#define LESS_BUFF_DATA (0x40000)     //do not buffering more data,just buffered need..
#define NO_READ_RETRY (0x80000)      //do not retry read,if have get data and then get eagain.
#define PLAYER_ON_SEEKING (0x100000) //on seek now,
#define URL_SEEK_FAIL_NO_BACK (0x200000)

#define AVSEEK_TO_TIME 0x30000
#define AVSEEK_BUFFERED_TIME 0x40000
#define AVSEEK_FULLTIME 0x50000

#define AVSEEK_SLICE_BYINDEX (0x80000 + 1)
#define AVSEEK_SLICE_BYTIME (0x80000 + 2)
#define AVSEEK_ITEM_TIME (0x80000 + 3)
#define AVSEEK_CMF_TS_TIME (0x80000 + 4)
#define AVSEEK_CURL_HTTP_KEEPALIVE (0x80000 + 5)
#define AVSEEK_LOOPBUFFER_OFFSET (0x80000 + 6)

#define AVERROR_BSF_NOT_FOUND (-MKTAG(0xF8, 'B', 'S', 'F'))        ///< Bitstream filter not found
#define AVERROR_DECODER_NOT_FOUND (-MKTAG(0xF8, 'D', 'E', 'C'))    ///< Decoder not found
#define AVERROR_DEMUXER_NOT_FOUND (-MKTAG(0xF8, 'D', 'E', 'M'))    ///< Demuxer not found
#define AVERROR_ENCODER_NOT_FOUND (-MKTAG(0xF8, 'E', 'N', 'C'))    ///< Encoder not found
#define AVERROR_EOF (-MKTAG('E', 'O', 'F', ' '))                   ///< End of file
#define AVERROR_EXIT (-MKTAG('E', 'X', 'I', 'T'))                  ///< Immediate exit was requested; the called function should not be restarted
#define AVERROR_FILTER_NOT_FOUND (-MKTAG(0xF8, 'F', 'I', 'L'))     ///< Filter not found
#define AVERROR_INVALIDDATA (-MKTAG('I', 'N', 'D', 'A'))           ///< Invalid data found when processing input
#define AVERROR_MUXER_NOT_FOUND (-MKTAG(0xF8, 'M', 'U', 'X'))      ///< Muxer not found
#define AVERROR_OPTION_NOT_FOUND (-MKTAG(0xF8, 'O', 'P', 'T'))     ///< Option not found
#define AVERROR_PATCHWELCOME (-MKTAG('P', 'A', 'W', 'E'))          ///< Not yet implemented in FFmpeg, patches welcome
#define AVERROR_PROTOCOL_NOT_FOUND (-MKTAG(0xF8, 'P', 'R', 'O'))   ///< Protocol not found
#define AVERROR_STREAM_NOT_FOUND (-MKTAG(0xF8, 'S', 'T', 'R'))     ///< Stream not found
#define AVERROR_STREAM_SIZE_NOTVALID (-MKTAG(0xF8, 'E', 'S', 'Z')) ///< Stream not found
#define AVERROR_MODULE_UNSUPPORT (-MKTAG(0xF8, 'U', 'S', 'T'))     ///< module not support the function

#define IO_LP_BUFFER_SIZE (1024 * 1024 * 64)
#define IO_LP_BUFFER_MINI_SIZE (1024 * 32)

int url_lpopen(URLContext *s, int size);
int url_lpfillbuffer(URLContext *s, int size);
int64_t url_lpexseek(URLContext *s, int64_t offset, int whence);
int64_t url_lpexseekoffset(URLContext *s, int64_t offset);
int url_lpread(URLContext *s, unsigned char *buf, int size);
int64_t url_lpseek(URLContext *s, int64_t offset, int whence);
int url_lpreset(URLContext *s);
int url_lpfree(URLContext *s);
int url_lp_intelligent_buffering(URLContext *s, int size);
int url_lp_getbuffering_size(URLContext *s, int *forward_data, int *back_data);
int url_lp_set_seekflags(URLContext *s, int seekflagmask);
int url_lp_clear_seekflags(URLContext *s, int seekflagmask);
int64_t url_lp_get_buffed_pos(URLContext *s);
int64_t url_buffed_size(AVIOContext *s);

int url_lpopen_ex(URLContext *s,
                  int size,
                  int flags,
                  int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
                  int64_t (*seek)(void *opaque, int64_t offset, int whence));

#endif