/[rdesktop]/sourceforge.net/trunk/rdesktop/rdpsnd_dsp.c
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Diff of /sourceforge.net/trunk/rdesktop/rdpsnd_dsp.c

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revision 1262 by stargo, Sun Sep 17 15:49:14 2006 UTC revision 1263 by stargo, Sun Sep 17 18:08:51 2006 UTC
# Line 92  rdpsnd_dsp_softvol(unsigned char *buffer Line 92  rdpsnd_dsp_softvol(unsigned char *buffer
92                  }                  }
93          }          }
94    
95          DEBUG(("using softvol with factors left: %d, right: %d (%d/%d)\n", factor_left, factor_right,          DEBUG(("using softvol with factors left: %d, right: %d (%d/%d)\n", factor_left,
96                 format->wBitsPerSample, format->nChannels));                 factor_right, format->wBitsPerSample, format->nChannels));
97  }  }
98    
99  void  void
# Line 113  rdpsnd_dsp_swapbytes(unsigned char *buff Line 113  rdpsnd_dsp_swapbytes(unsigned char *buff
113          }          }
114  }  }
115    
 unsigned char *  
 rdpsnd_dsp_process(unsigned char *inbuffer, unsigned int size, struct audio_driver *current_driver,  
                    WAVEFORMATEX * format)  
 {  
         unsigned char *outbuffer;  
   
         outbuffer = xmalloc(size);  
116    
117          memcpy(outbuffer, inbuffer, size);  STREAM
118    rdpsnd_dsp_process(STREAM s, struct audio_driver *current_driver, WAVEFORMATEX * format)
119    {
120            static struct stream out;
121    
122          /* Software volume control */          /* softvol and byteswap do not change the amount of data they
123               return, so they can operate on the input-stream */
124          if (current_driver->wave_out_volume == rdpsnd_dsp_softvol_set)          if (current_driver->wave_out_volume == rdpsnd_dsp_softvol_set)
125                  rdpsnd_dsp_softvol(outbuffer, size, format);                  rdpsnd_dsp_softvol(s->data, s->size, format);
126    
127  #ifdef B_ENDIAN  #ifdef B_ENDIAN
128          if (current_driver->need_byteswap_on_be)          if (current_driver->need_byteswap_on_be)
129                  rdpsnd_dsp_swapbytes(outbuffer, size, format);                  rdpsnd_dsp_swapbytes(s->data, s->size, format);
130  #endif  #endif
131    
132          return outbuffer;          /* FIXME: where do we lose the 4 bytes referenced here? */
133            out.data = xmalloc(s->size - 4);
134    
135            memcpy(out.data, s->data + 4, s->size - 4);
136    
137            out.size = s->size - 4;
138            out.p = out.data;
139            out.end = out.p + out.size;
140    
141            return &out;
142  }  }
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