/[rdesktop]/sourceforge.net/trunk/rdesktop/rdpsnd_sun.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Diff of /sourceforge.net/trunk/rdesktop/rdpsnd_sun.c

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revision 477 by matthewc, Sat Oct 4 12:24:56 2003 UTC revision 491 by stargo, Mon Oct 13 16:09:45 2003 UTC
# Line 111  wave_out_set_format(WAVEFORMATEX *pwfx) Line 111  wave_out_set_format(WAVEFORMATEX *pwfx)
111          if (pwfx->wBitsPerSample == 8)          if (pwfx->wBitsPerSample == 8)
112          {          {
113                  info.play.encoding = AUDIO_ENCODING_LINEAR8;                  info.play.encoding = AUDIO_ENCODING_LINEAR8;
                 samplewidth = 1;  
114          }          }
115          else if (pwfx->wBitsPerSample == 16)          else if (pwfx->wBitsPerSample == 16)
116          {          {
117                  info.play.encoding = AUDIO_ENCODING_LINEAR;                  info.play.encoding = AUDIO_ENCODING_LINEAR;
                 samplewidth = 2;  
118                  /* Do we need to swap the 16bit values? (Are we BigEndian) */                  /* Do we need to swap the 16bit values? (Are we BigEndian) */
119                  swapaudio = !(*(uint8 *) (&test));                  swapaudio = !(*(uint8 *) (&test));
120          }          }
121    
122            samplewidth = pwfx->wBitsPerSample/8;
123    
124          if (pwfx->nChannels == 1 )          if (pwfx->nChannels == 1 )
125          {                {      
126                  info.play.channels = AUDIO_CHANNELS_MONO;                  info.play.channels = AUDIO_CHANNELS_MONO;
# Line 136  wave_out_set_format(WAVEFORMATEX *pwfx) Line 136  wave_out_set_format(WAVEFORMATEX *pwfx)
136          info.play.samples = 0;          info.play.samples = 0;
137          info.play.eof = 0;          info.play.eof = 0;
138          info.play.error = 0;          info.play.error = 0;
139            reopened = True;
140    
141          if (ioctl(g_dsp_fd, AUDIO_SETINFO, &info) == -1)          if (ioctl(g_dsp_fd, AUDIO_SETINFO, &info) == -1)
142          {          {
# Line 148  wave_out_set_format(WAVEFORMATEX *pwfx) Line 149  wave_out_set_format(WAVEFORMATEX *pwfx)
149  }  }
150    
151  void  void
152    wave_out_volume(uint16 left, uint16 right)
153    {
154            audio_info_t info;
155            uint balance;
156            uint volume;
157    
158            if (ioctl(g_dsp_fd, AUDIO_GETINFO, &info) == -1)
159            {
160                    perror("AUDIO_GETINFO");
161                    return;
162            }
163    
164            volume = (left > right) ? left : right;
165    
166            if ( volume/AUDIO_MID_BALANCE != 0 )
167            {
168                    balance = AUDIO_MID_BALANCE - (left/(volume/AUDIO_MID_BALANCE)) + (right/(volume/AUDIO_MID_BALANCE));
169            }
170            else
171            {
172                    balance = AUDIO_MID_BALANCE;
173            }
174    
175            info.play.gain = volume/(65536/AUDIO_MAX_GAIN);
176            info.play.balance = balance;
177    
178            if (ioctl(g_dsp_fd, AUDIO_SETINFO, &info) == -1)
179            {
180                    perror("AUDIO_SETINFO");
181                    return;
182            }
183    }
184    
185    void
186  wave_out_write(STREAM s, uint16 tick, uint8 index)  wave_out_write(STREAM s, uint16 tick, uint8 index)
187  {  {
188          struct audio_packet *packet = &packet_queue[queue_hi];          struct audio_packet *packet = &packet_queue[queue_hi];
# Line 164  wave_out_write(STREAM s, uint16 tick, ui Line 199  wave_out_write(STREAM s, uint16 tick, ui
199          packet->s = *s;          packet->s = *s;
200          packet->tick = tick;          packet->tick = tick;
201          packet->index = index;          packet->index = index;
202            packet->s.p += 4;
203    
204          /* we steal the data buffer from s, give it a new one */          /* we steal the data buffer from s, give it a new one */
205          s->data = malloc(s->size);          s->data = malloc(s->size);
# Line 209  wave_out_play(void) Line 245  wave_out_play(void)
245                  /* Swap the current packet, but only once */                  /* Swap the current packet, but only once */
246                  if ( swapaudio && ! swapped )                  if ( swapaudio && ! swapped )
247                  {                  {
248                          for ( i = 0; i < out->end - out->p; i+=2 )                          for ( i = 0; i < out->end - out->p; i += 2 )
249                          {                          {
250                                  swap = *(out->p + i);                                  swap = *(out->p + i);
251                                  *(out->p + i ) = *(out->p + i + 1);                                  *(out->p + i) = *(out->p + i + 1);
252                                  *(out->p + i + 1) = swap;                                  *(out->p + i + 1) = swap;
                                 swapped = True;  
253                          }                          }
254                            swapped = True;
255                  }                  }
256    
257                  if ( sentcompletion )                  if ( sentcompletion )
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