[Speex-dev] Some question about speexcodex 1.2 beta2 on linux

[Jean-Marc Valin]

Just link with libspeexdsp (you might have svn and not 1.2beta2 installed)

	Jean-Marc

r96128 a écrit :
> Hi,
> I am an user of speex codec.Can I ask some question about the speexcodec 1.2beta2
> on installed to linux(fedora 6)  thanks!
> 
> After I downloaded the latest version of codec
> then I type the commands to install :
> 
> configure -prefix=/home/...../test -enable-shared -enable-static
> make
> make install
> 
> then I try to compile my encode.c
> here is the encode.c of mine:
> =====================================
> #include <speex/speex.h>
> #include <speex/speex_preprocess.h>
> #include <stdio.h>
> 
> #define MAX_FRAME_SIZE 320
> 
> int main() {
>         FILE *fin, *fout;
>         short in[MAX_FRAME_SIZE];
>         char cbits[200];
>         int nbBytes = 0;
>         void *state;
>         SpeexBits bits;
>         int m_frame_size;
>         int m_channels = 1;
> 
>         // SpeeX encode options
>         int m_bitrate = (8 << 10);
>         int m_complexity = 3;
>         int m_quality = 8;
>         int m_encMode = 6;
>         int m_iAGC = 0;
>         int m_iDenoise = 0;
> 
>         SpeexPreprocessState *m_preProcesser;
>         int nOff = 0, nOn = 1;
>         int modex=30;
>         speex_bits_init(&bits);
>         state = speex_encoder_init(&speex_nb_mode);
>         speex_encoder_ctl(state,SPEEX_RESET_STATE,NULL);
>         speex_encoder_ctl(state,SPEEX_RESET_STATE,NULL);
>         speex_encoder_ctl(state,SPEEX_GET_FRAME_SIZE,&m_frame_size);
>         speex_encoder_ctl(state,SPEEX_SET_VAD, &nOff);
>         speex_encoder_ctl(state,SPEEX_SET_DTX, &nOn);
>         speex_encoder_ctl(state,SPEEX_SET_MODE,&m_encMode);
>         speex_encoder_ctl(state,SPEEX_SET_BITRATE,&m_bitrate);
> //      speex_encoder_ctl(state, SPEEX_SET_QUALITY, &tmp);
> 
>         m_preProcesser = speex_preprocess_state_init(m_frame_size, 8000);
>         speex_preprocess_ctl(m_preProcesser, SPEEX_PREPROCESS_SET_DENOISE,
> &m_iDenoise);
>         speex_preprocess_ctl(m_preProcesser, SPEEX_PREPROCESS_SET_AGC, &m_iAGC);
> 
>         fin = fopen("test.pcm", "r+b");
>         fout = fopen("out.spx", "w+b");
> 
>         if (fin == NULL || fout == NULL){
>                 printf("FILE open error!!\n");
>                 return 1;
>         }
> 
>         while(1){
>                 fread(in, sizeof(short), m_frame_size, fin);
>                 if(feof(fin))
>                         break;
> 
>                 speex_bits_reset(&bits);
> 
>                 if (m_preProcesser)
>                         speex_preprocess(m_preProcesser, in, NULL);
> 
>                 speex_encode_int(state, in, &bits);
>                 nbBytes = speex_bits_write(&bits, cbits, 200);
> 
>                 fwrite(&nbBytes, sizeof(int), 1, fout);
> #ifdef _DEBUG
>                 printf("Encode nbBytes: %d\n", nbBytes);
> #endif
>                 fwrite(cbits, 1, nbBytes, fout);
>                 //fflush(fout); 
>         }
> 
>         speex_encoder_destroy(state);
>        speex_bits_destroy(&bits);
>         fclose(fin);
>         fclose(fout);
>         return 0;
> }
>                        
> 
> =============================
> 
> 
> then I used gcc or g++ to compile this file with the static libery
> command:
> 
> gcc encode.c ../test/lib/libspeex.so
> 
> the result of compiling is ok
> then when I run the program it shows
> 
> './a.out: symbol lookup error: ./a.out: undefined symbol:
> speex_preprocess_state_init
> 
> how can I compile the file?
> 
> thanks for the viewing for this mail
> 
> 
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