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/**********************************************************************
Audacity: A Digital Audio Editor
AVFormatFunctions.h
Dmitry Vedenko
**********************************************************************/
#pragma once
#include <cstdint>
#include "FFmpegTypes.h"
struct FFMPEG_SUPPORT_API AVFormatFunctions
{
FFMPegVersion AVFormatVersion;
int (*avformat_find_stream_info) (AVFormatContext *ic, AVDictionary **options) = nullptr;
int (*av_read_frame) (AVFormatContext *s, AVPacket *pkt) = nullptr;
int (*av_seek_frame) (AVFormatContext *s, int stream_index, int64_t timestamp, int flags) = nullptr;
void (*avformat_close_input) (AVFormatContext **s) = nullptr;
int (*avformat_write_header) (AVFormatContext *s, AVDictionary **options) = nullptr;
int (*av_interleaved_write_frame) (AVFormatContext *s, AVPacket *pkt) = nullptr;
AVOutputFormat* (*av_oformat_next) (const AVOutputFormat *f) = nullptr;
AVStream* (*avformat_new_stream) (AVFormatContext *s, const AVCodec *c) = nullptr;
AVFormatContext* (*avformat_alloc_context) (void) = nullptr;
int (*av_write_trailer) (AVFormatContext *s) = nullptr;
unsigned int (*av_codec_get_tag) (const struct AVCodecTag * const *tags, AVCodecIDFwd id) = nullptr;
int (*avformat_open_input) (AVFormatContext **ic_ptr, const char *filename, const AVInputFormat *fmt, AVDictionary **options) = nullptr;
int64_t (*avio_size) (AVIOContext *s) = nullptr;
AVIOContext* (*avio_alloc_context) (unsigned char *buffer, int buffer_size, int write_flag, void *opaque, int (*read_packet)(void *opaque, uint8_t *buf, int buf_size), int (*write_packet)(void *opaque, const uint8_t *buf, int buf_size), int64_t (*seek)(void *opaque, int64_t offset, int whence)) = nullptr;
AVOutputFormat* (*av_guess_format) (const char *short_name, const char *filename, const char *mime_type) = nullptr;
void (*avformat_free_context) (AVFormatContext *s) = nullptr;
// The following functions are not present in all library versions:
void (*av_register_all) (void) = nullptr;
void (*avio_context_free)(AVIOContext** s) = nullptr;
const AVOutputFormat* (*av_muxer_iterate)(void** opaque);
};
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