Revision 7dbbf6a1 ffplay.c

View differences:

ffplay.c
168 168 
    int last_i_start;
169 169 
    RDFTContext *rdft;
170 170 
    int rdft_bits;
171 
    FFTSample *rdft_data;
171 172 
    int xpos;
172 173 

  		




  173
  174
  
    
    SDL_Thread *subtitle_tid;


  		




  ......




  917
  918
  
    
        nb_display_channels= FFMIN(nb_display_channels, 2);


  		




  918
  919
  
    
        if(rdft_bits != s->rdft_bits){


  		




  919
  920
  
    
            av_rdft_end(s->rdft);


  		




  
  921
  
    
            av_free(s->rdft_data);


  		




  920
  922
  
    
            s->rdft = av_rdft_init(rdft_bits, DFT_R2C);


  		




  921
  923
  
    
            s->rdft_bits= rdft_bits;


  		




  
  924
  
    
            s->rdft_data= av_malloc(4*nb_freq*sizeof(*s->rdft_data));


  		




  922
  925
  
    
        }


  		




  923
  926
  
    
        {


  		




  924
  
  
    
            FFTSample data[2][2*nb_freq];


  		




  
  927
  
    
            FFTSample *data[2];


  		




  925
  928
  
    
            for(ch = 0;ch < nb_display_channels; ch++) {


  		




  
  929
  
    
                data[ch] = s->rdft_data + 2*nb_freq*ch;


  		




  926
  930
  
    
                i = i_start + ch;


  		




  927
  931
  
    
                for(x = 0; x < 2*nb_freq; x++) {


  		




  928
  932
  
    
                    double w= (x-nb_freq)*(1.0/nb_freq);


  		












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