swr_convert()
针对每帧音频的处置。把一帧帧的音频作相应的重采样
int swr_convert(struct SwrContext *s, uint8_t **out, int out_count, const uint8_t **in, int in_count);int swr_c
swr_convert()
针对每帧音频的处置。把一帧帧的音频作相应的重采样
int swr_convert(struct SwrContext *s, uint8_t **out, int out_count, const uint8_t **in, int in_count);int swr_c