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xav

0.1.0
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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>



#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);



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_frame_to_term(ErlNifEnv *env, unsigned char *data[], int *linesize,

                                   const char *out_format_name, int width, int height, int64_t pts);