_a_v_util_functions_loader_8cpp_source.html

/**********************************************************************


  Audacity: A Digital Audio Editor


  AVUtilFunctionLoader.cpp


  Dmitry Vedenko


**********************************************************************/


#include "AVUtilFunctionsLoader.h"


#include <wx/dynlib.h>


#include "AVUtilFunctions.h"

#include "impl/DynamicLibraryHelpers.h"


bool LoadAVUtilFunctions(

   const wxDynamicLibrary& lib, AVUtilFunctions& functions)

{

   RESOLVE(av_malloc);

   RESOLVE(av_free);

   RESOLVE(av_strdup);

   RESOLVE(av_dict_free);

   RESOLVE(av_dict_get);

   RESOLVE(av_dict_set);

   RESOLVE(av_dict_copy);

   RESOLVE(av_get_bytes_per_sample);

   RESOLVE(av_log_set_callback);

   RESOLVE(av_log_default_callback);


   RESOLVE(av_rescale_q);

   RESOLVE(av_frame_alloc);

   RESOLVE(av_frame_free);

   RESOLVE(av_samples_get_buffer_size);

   RESOLVE(av_strerror);


   GET_SYMBOL(av_get_default_channel_layout);

   GET_SYMBOL(av_channel_layout_default);


   return GetAVVersion(lib, "avutil_version", functions.AVUtilVersion);

}

AVUtilFunctions.h

LoadAVUtilFunctions
bool LoadAVUtilFunctions(const wxDynamicLibrary &lib, AVUtilFunctions &functions)
Definition: AVUtilFunctionsLoader.cpp:19

AVUtilFunctionsLoader.h

GetAVVersion
bool GetAVVersion(const wxDynamicLibrary &lib, const char *name, FFMPegVersion &version)
Definition: DynamicLibraryHelpers.cpp:19

DynamicLibraryHelpers.h

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

av_get_bytes_per_sample
int av_get_bytes_per_sample(enum AVSampleFormat sample_fmt)

av_free
void av_free(void *ptr)

av_log_set_callback
void av_log_set_callback(void(*callback)(void *, int, const char *, va_list))

av_dict_free
void av_dict_free(AVDictionary **m)

av_dict_get
AVDictionaryEntry * av_dict_get(FF_CONST_AVUTIL53 AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)

av_strerror
int av_strerror(int errnum, char *errbuf, size_t errbuf_size)

av_log_default_callback
void av_log_default_callback(void *avcl, int level, const char *fmt, va_list vl)

av_strdup
char * av_strdup(const char *s) av_malloc_attrib

av_dict_set
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)

av_frame_free
void av_frame_free(AVFrame **frame)

av_samples_get_buffer_size
int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align)

av_malloc
void * av_malloc(size_t size) av_malloc_attrib av_alloc_size(1)

av_frame_alloc
AVFrame * av_frame_alloc(void)

av_dict_copy
void av_dict_copy(AVDictionary **dst, FF_CONST_AVUTIL53 AVDictionary *src, int flags)

av_get_default_channel_layout
int64_t av_get_default_channel_layout(int nb_channels)

av_rescale_q
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq) av_const

av_channel_layout_default
void av_channel_layout_default(AVChannelLayout *ch_layout, int nb_channels)

AVUtilFunctions
Definition: AVUtilFunctions.h:19

AVUtilFunctions::AVUtilVersion
FFMPegVersion AVUtilVersion
Definition: AVUtilFunctions.h:20