wget http://downloads.sourceforge.net/faac/faac-1.28.tar.gz
tar zxvf faac-1.28.tar.gz
cd faac-1.28
./configure
make
sudo make install
編譯過程出産生問題
mpeg4ip.h:126: error: new declaration ‘char* strcasestr(const char*, const char*)’
#ifdef __cplusplus
extern "C" {
#endif
char *strcasestr(const char *haystack, const char *needle);
#ifdef __cplusplus
}
#endif
修改後
#ifdef __cplusplus
extern "C++" {
#endif
const char *strcasestr(const char *haystack, const char *needle);
#ifdef __cplusplus
}
#endif
ln -s /usr/local/lib/libfaac.so.0 /usr/lib/libfaac.so #//ubuntu做個軟連結,防止找不到庫
ldconfig //生效
#include <faac.h>
#include <stdio.h>
typedef unsigned long ULONG;
typedef unsigned int UINT;
typedef unsigned char BYTE;
typedef char _TCHAR;
int main(int argc, _TCHAR* argv[])
{
ULONG nSampleRate = 11025; // 采樣率
UINT nChannels = 1; // 聲道數
UINT nPCMBitSize = 16; // 單樣本位數
ULONG nInputSamples = 0;
ULONG nMaxOutputBytes = 0;
int nRet;
faacEncHandle hEncoder;
faacEncConfigurationPtr pConfiguration;
int nBytesRead;
int nPCMBufferSize;
BYTE* pbPCMBuffer;
BYTE* pbAACBuffer;
FILE* fpIn; // PCM file for input
FILE* fpOut; // AAC file for output
fpIn = fopen("in.pcm", "rb");
fpOut = fopen("out.aac", "wb");
// (1) Open FAAC engine
hEncoder = faacEncOpen(nSampleRate, nChannels, &nInputSamples, &nMaxOutputBytes);
if(hEncoder == NULL)
{
printf("[ERROR] Failed to call faacEncOpen()\n");
return -1;
}
nPCMBufferSize = nInputSamples * nPCMBitSize / 8;
pbPCMBuffer = new BYTE [nPCMBufferSize];
pbAACBuffer = new BYTE [nMaxOutputBytes];
// (2.1) Get current encoding configuration
pConfiguration = faacEncGetCurrentConfiguration(hEncoder);
pConfiguration->inputFormat = FAAC_INPUT_16BIT;
// (2.2) Set encoding configuration
nRet = faacEncSetConfiguration(hEncoder, pConfiguration);
for(int i = 0; 1; i++)
{
// 讀入的實際位元組數,最大不會超過nPCMBufferSize,一般隻有讀到檔案尾時才不是這個值
nBytesRead = fread(pbPCMBuffer, 1, nPCMBufferSize, fpIn);
// 輸入樣本數,用實際讀入位元組數計算,一般隻有讀到檔案尾時才不是nPCMBufferSize/(nPCMBitSize/8);
nInputSamples = nBytesRead / (nPCMBitSize / 8);
// (3) Encode
nRet = faacEncEncode(
hEncoder, (int*) pbPCMBuffer, nInputSamples, pbAACBuffer, nMaxOutputBytes);
fwrite(pbAACBuffer, 1, nRet, fpOut);
printf("%d: faacEncEncode returns %d\n", i, nRet);
if(nBytesRead <= 0)
{
break;
}
}
/*
while(1)
{
// (3) Flushing
nRet = faacEncEncode(
hEncoder, (int*) pbPCMBuffer, 0, pbAACBuffer, nMaxOutputBytes);
if(nRet <= 0)
{
break;
}
}
*/
// (4) Close FAAC engine
nRet = faacEncClose(hEncoder);
delete[] pbPCMBuffer;
delete[] pbAACBuffer;
fclose(fpIn);
fclose(fpOut);
//getchar();
return 0;
}
g++ pcm2aac.cpp -o pcm2aac -L/usr/local/lib -lfaac -I/usr/local/include
./pcm2aac