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

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revision 1255 by stargo, Sun Sep 17 11:04:50 2006 UTC revision 1302 by ossman_, Thu Oct 26 09:47:17 2006 UTC
# Line 31  Line 31 
31  ALconfig audioconfig;  ALconfig audioconfig;
32  ALport output_port;  ALport output_port;
33    
 static BOOL g_swapaudio;  
34  static int g_snd_rate;  static int g_snd_rate;
 static BOOL g_swapaudio;  
35  static int width = AL_SAMPLE_16;  static int width = AL_SAMPLE_16;
36  static char *sgi_output_device = NULL;  static char *sgi_output_device = NULL;
37    
# Line 70  sgi_open(void) Line 68  sgi_open(void)
68                  min_volume, max_volume, volume_range);                  min_volume, max_volume, volume_range);
69  #endif  #endif
70    
         rdpsnd_queue_init();  
   
71          audioconfig = alNewConfig();          audioconfig = alNewConfig();
72          if (audioconfig == (ALconfig) 0)          if (audioconfig == (ALconfig) 0)
73          {          {
# Line 141  sgi_set_format(WAVEFORMATEX * pwfx) Line 137  sgi_set_format(WAVEFORMATEX * pwfx)
137          fprintf(stderr, "sgi_set_format: init...\n");          fprintf(stderr, "sgi_set_format: init...\n");
138  #endif  #endif
139    
         g_swapaudio = False;  
140          if (pwfx->wBitsPerSample == 8)          if (pwfx->wBitsPerSample == 8)
141                  width = AL_SAMPLE_8;                  width = AL_SAMPLE_8;
142          else if (pwfx->wBitsPerSample == 16)          else if (pwfx->wBitsPerSample == 16)
         {  
143                  width = AL_SAMPLE_16;                  width = AL_SAMPLE_16;
                 /* Do we need to swap the 16bit values? (Are we BigEndian) */  
 #if (defined(B_ENDIAN))  
                 g_swapaudio = 1;  
 #else  
                 g_swapaudio = 0;  
 #endif  
         }  
144    
145          /* Limited support to configure an opened audio port in IRIX.  The          /* Limited support to configure an opened audio port in IRIX.  The
146             number of channels is a static setting and can not be changed after             number of channels is a static setting and can not be changed after
# Line 253  sgi_play(void) Line 240  sgi_play(void)
240          struct audio_packet *packet;          struct audio_packet *packet;
241          ssize_t len;          ssize_t len;
242          unsigned int i;          unsigned int i;
         uint8 swap;  
243          STREAM out;          STREAM out;
         static BOOL swapped = False;  
244          int gf;          int gf;
245    
246          while (1)          while (1)
# Line 269  sgi_play(void) Line 254  sgi_play(void)
254                  packet = rdpsnd_queue_current_packet();                  packet = rdpsnd_queue_current_packet();
255                  out = &packet->s;                  out = &packet->s;
256    
                 /* Swap the current packet, but only once */  
                 if (g_swapaudio && !swapped)  
                 {  
                         for (i = 0; i < out->end - out->p; i += 2)  
                         {  
                                 swap = *(out->p + i);  
                                 *(out->p + i) = *(out->p + i + 1);  
                                 *(out->p + i + 1) = swap;  
                         }  
                         swapped = True;  
                 }  
   
257                  len = out->end - out->p;                  len = out->end - out->p;
258    
259                  alWriteFrames(output_port, out->p, len / combinedFrameSize);                  alWriteFrames(output_port, out->p, len / combinedFrameSize);
# Line 291  sgi_play(void) Line 264  sgi_play(void)
264                          gf = alGetFilled(output_port);                          gf = alGetFilled(output_port);
265                          if (gf < (4 * maxFillable / 10))                          if (gf < (4 * maxFillable / 10))
266                          {                          {
267                                  rdpsnd_send_completion(packet->tick, packet->index);                                  rdpsnd_queue_next(0);
                                 rdpsnd_queue_next();  
                                 swapped = False;  
268                          }                          }
269                          else                          else
270                          {                          {
# Line 308  sgi_play(void) Line 279  sgi_play(void)
279          }          }
280  }  }
281    
 static struct audio_driver sgi_driver = {  
       wave_out_write:rdpsnd_queue_write,  
       wave_out_open:sgi_open,  
       wave_out_close:sgi_close,  
       wave_out_format_supported:sgi_format_supported,  
       wave_out_set_format:sgi_set_format,  
       wave_out_volume:sgi_volume,  
       wave_out_play:sgi_play,  
       name:"sgi",  
       description:"SGI output driver",  
       next:NULL,  
 };  
   
282  struct audio_driver *  struct audio_driver *
283  sgi_register(char *options)  sgi_register(char *options)
284  {  {
285            static struct audio_driver sgi_driver;
286    
287            sgi_driver.wave_out_open = sgi_open;
288            sgi_driver.wave_out_close = sgi_close;
289            sgi_driver.wave_out_format_supported = sgi_format_supported;
290            sgi_driver.wave_out_set_format = sgi_set_format;
291            sgi_driver.wave_out_volume = sgi_volume;
292            sgi_driver.wave_out_play = sgi_play;
293            sgi_driver.name = xstrdup("sgi");
294            sgi_driver.description = xstrdup("SGI output driver");
295            sgi_driver.need_byteswap_on_be = 1;
296            sgi_driver.need_resampling = 0;
297            sgi_driver.next = NULL;
298    
299          if (options)          if (options)
300          {          {
301                  sgi_output_device = xstrdup(options);                  sgi_output_device = xstrdup(options);
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