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xav

0.5.1
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Elixir audio/video library built on top of FFmpeg

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xav c_src xav utils.h
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c_src/xav/utils.h 

#include <erl_nif.h>

#include <libavcodec/avcodec.h>

#include <libavdevice/avdevice.h>

#include <libavformat/avformat.h>

#include <libavutil/avutil.h>

#include <libavutil/imgutils.h>

#include <libswresample/swresample.h>

#include <libswscale/swscale.h>



#ifdef XAV_DEBUG

#define XAV_LOG_DEBUG(X, ...)                                                                      \

  fprintf(stderr, "[XAV DEBUG %s] %s:%d " X "\n", __TIME__, __FILE__, __LINE__, ##__VA_ARGS__)

#else

#define XAV_LOG_DEBUG(...)

#endif



#define XAV_ALLOC(X) enif_alloc(X)

#define XAV_FREE(X) enif_free(X)



void print_supported_pix_fmts(AVCodec *codec);

void convert_to_rgb(AVFrame *src_frame, uint8_t *dst_data[], int dst_linesize[]);



ERL_NIF_TERM xav_nif_ok(ErlNifEnv *env, ERL_NIF_TERM data_term);

ERL_NIF_TERM xav_nif_error(ErlNifEnv *env, char *reason);

ERL_NIF_TERM xav_nif_raise(ErlNifEnv *env, char *msg);

ERL_NIF_TERM xav_nif_video_frame_to_term(ErlNifEnv *env, AVFrame *frame, uint8_t *out_data[4],

                                         int out_linesize[4], const char *out_format);

ERL_NIF_TERM xav_nif_audio_frame_to_term(ErlNifEnv *env, uint8_t **out_data, int out_samples,

                                         int out_size, const char *out_format, int pts);