#ifndef _mov_reader_h_
#define _mov_reader_h_

#include <stddef.h>
#include <stdint.h>
#include "mov-buffer.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct mov_reader_t mov_reader_t;

mov_reader_t* mov_reader_create(const struct mov_buffer_t* buffer, void* param);
void mov_reader_destroy(mov_reader_t* mov);

struct mov_reader_trackinfo_t
{
	/// @param[in] object: MOV_OBJECT_H264/MOV_OBJECT_AAC, see more @mov-format.h
	void (*onvideo)(void* param, uint32_t track, uint8_t object, int width, int height, const void* extra, size_t bytes);
	void (*onaudio)(void* param, uint32_t track, uint8_t object, int channel_count, int bit_per_sample, int sample_rate, const void* extra, size_t bytes);
	void (*onsubtitle)(void* param, uint32_t track, uint8_t object, const void* extra, size_t bytes);
};

/// @return 0-OK, other-error
int mov_reader_getinfo(mov_reader_t* mov, struct mov_reader_trackinfo_t *ontrack, void* param);

uint64_t mov_reader_getduration(mov_reader_t* mov);

/// audio: AAC raw data, don't include ADTS/AudioSpecificConfig
/// video: 4-byte data length(don't include self length) + H.264 NALU(don't include 0x00000001)
/// @param[in] flags MOV_AV_FLAG_xxx, such as: MOV_AV_FLAG_KEYFREAME
typedef void (*mov_reader_onread)(void* param, uint32_t track, const void* buffer, size_t bytes, int64_t pts, int64_t dts, int flags);
/// @return 1-read one frame, 0-EOF, <0-error 
int mov_reader_read(mov_reader_t* mov, void* buffer, size_t bytes, mov_reader_onread onread, void* param);

/// audio: AAC raw data, don't include ADTS/AudioSpecificConfig
/// video: 4-byte data length(don't include self length) + H.264 NALU(don't include 0x00000001)
/// @param[in] flags MOV_AV_FLAG_xxx, such as: MOV_AV_FLAG_KEYFREAME
/// @return NULL-error, other-user alloc buffer
typedef void* (*mov_reader_onread2)(void* param, uint32_t track, size_t bytes, int64_t pts, int64_t dts, int flags);
/// same as mov_reader_read + user alloc buffer
/// NOTICE: user should free buffer on return error!!!
/// @return 1-read one frame, 0-EOF, <0-error 
int mov_reader_read2(mov_reader_t* mov, mov_reader_onread2 onread, void* param);

/// @param[in,out] timestamp input seek timestamp, output seek location timestamp
/// @return 0-ok, other-error
int mov_reader_seek(mov_reader_t* mov, int64_t* timestamp);

#ifdef __cplusplus
}
#endif
#endif /* !_mov_reader_h_*/