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第3月第15天 afconvert lame
1.
//CAF 转换成MP3 (可以)
afconvert -f mp4f -d aac -b 128000 /Users/amarishuyi/Desktop/sound1.caf/Users/amarishuyi/Desktop/sound1.mp3
http://blog.csdn.net/ysy441088327/article/details/7388351
2.lame
#include <stdio.h>#include <lame/lame.h>int main(void){ int read, write; FILE *pcm = fopen("file.pcm", "rb"); FILE *mp3 = fopen("file.mp3", "wb"); const int PCM_SIZE = 8192; const int MP3_SIZE = 8192; short int pcm_buffer[PCM_SIZE*2]; unsigned char mp3_buffer[MP3_SIZE]; lame_t lame = lame_init(); lame_set_in_samplerate(lame, 44100); lame_set_VBR(lame, vbr_default); lame_init_params(lame); do { read = fread(pcm_buffer, 2*sizeof(short int), PCM_SIZE, pcm); if (read == 0) write = lame_encode_flush(lame, mp3_buffer, MP3_SIZE); else write = lame_encode_buffer_interleaved(lame, pcm_buffer, read, mp3_buffer, MP3_SIZE); fwrite(mp3_buffer, write, 1, mp3); } while (read != 0); lame_close(lame); fclose(mp3); fclose(pcm); return 0;}
http://stackoverflow.com/questions/2495420/is-there-any-lame-c-wraper-simplifier-working-on-linux-mac-and-win-from-pure
第3月第15天 afconvert lame
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