Audacity 3.2.0
AVFormatFunctionsLoader.cpp
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1/**********************************************************************
2
3 Audacity: A Digital Audio Editor
4
5 AVFormatFunctionsLoader.cpp
6
7 Dmitry Vedenko
8
9**********************************************************************/
10
11#include "AVFormatFunctionsLoader.h"
12
13#include <wx/dynlib.h>
14
15#include "AVFormatFunctions.h"
16#include "impl/DynamicLibraryHelpers.h"
17
18
19bool LoadAVFormatFunctions(
20 const wxDynamicLibrary& lib, AVFormatFunctions& functions)
21{
22 RESOLVE(avformat_find_stream_info);
23 RESOLVE(av_read_frame);
24 RESOLVE(av_seek_frame);
25 RESOLVE(avformat_close_input);
26 RESOLVE(avformat_write_header);
27 RESOLVE(av_interleaved_write_frame);
28 RESOLVE(avformat_new_stream);
29 RESOLVE(avformat_alloc_context);
30 RESOLVE(av_write_trailer);
31 RESOLVE(av_codec_get_tag);
32 RESOLVE(avformat_open_input);
33 RESOLVE(avio_size);
34 RESOLVE(avio_alloc_context);
35 RESOLVE(av_guess_format);
36 RESOLVE(avformat_free_context);
37
38 GET_SYMBOL(av_oformat_next);
39 GET_SYMBOL(av_register_all);
40 GET_SYMBOL(avio_context_free);
41 GET_SYMBOL(av_muxer_iterate);
42
43 return GetAVVersion(lib, "avformat_version", functions.AVFormatVersion);
44}
LoadAVFormatFunctions
bool LoadAVFormatFunctions(const wxDynamicLibrary &lib, AVFormatFunctions &functions)
Definition: AVFormatFunctionsLoader.cpp:19
GetAVVersion
bool GetAVVersion(const wxDynamicLibrary &lib, const char *name, FFMPegVersion &version)
Definition: DynamicLibraryHelpers.cpp:19
RESOLVE
#define RESOLVE(name)
Requires the named function to be found in the library, else load fails.
Definition: DynamicLibraryHelpers.h:19
GET_SYMBOL
#define GET_SYMBOL(name)
Does not require the named function to be found in the library.
Definition: DynamicLibraryHelpers.h:17
avformat_open_input
int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputFormat *fmt, AVDictionary **options)
av_codec_get_tag
unsigned int av_codec_get_tag(const struct AVCodecTag *const *tags, enum AVCodecID id)
avio_alloc_context
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, uint8_t *buf, int buf_size), int64_t(*seek)(void *opaque, int64_t offset, int whence))
av_interleaved_write_frame
int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt)
avio_size
int64_t avio_size(AVIOContext *s)
av_read_frame
int av_read_frame(AVFormatContext *s, AVPacket *pkt)
avformat_write_header
int avformat_write_header(AVFormatContext *s, AVDictionary **options)
av_write_trailer
int av_write_trailer(AVFormatContext *s)
avformat_new_stream
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
av_oformat_next
AVOutputFormat * av_oformat_next(AVOutputFormat *f)
av_register_all
void av_register_all(void)
av_seek_frame
int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
avformat_alloc_context
AVFormatContext * avformat_alloc_context(void)
avformat_free_context
void avformat_free_context(AVFormatContext *s)
av_guess_format
AVOutputFormat * av_guess_format(const char *short_name, const char *filename, const char *mime_type)
avformat_find_stream_info
int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
avformat_close_input
void avformat_close_input(AVFormatContext **s)
avio_context_free
void avio_context_free(AVIOContext **s)
av_muxer_iterate
const AVOutputFormat * av_muxer_iterate(void **opaque)
AVFormatFunctions::AVFormatVersion
FFMPegVersion AVFormatVersion
Definition: AVFormatFunctions.h:19
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