ext/mikmod/drv_gst.c

   1 #ifdef HAVE_CONFIG_H
   2 #include "config.h"
   3 #endif
   4
   5 #include <stdlib.h>
   6
   7 #include "gstmikmod.h"
   8
   9 static int buffer_size;
  10 static SBYTE *audiobuffer = NULL;
  11 extern int need_sync;
  12
  13 static BOOL mikmod_IsThere( void )
  14 {
  15   return 1;
  16 }
  17
  18 static BOOL mikmod_Init( void )
  19 {
  20   buffer_size = 32768;
  21   if (!( audiobuffer = ( SBYTE * ) g_malloc( buffer_size ) ))
  22     return 1;
  23
  24   return VC_Init();
  25 }
  26
  27 static void mikmod_Exit( void )
  28 {
  29   VC_Exit();
  30
  31   if ( audiobuffer )
  32   {
  33     g_free(audiobuffer);
  34     audiobuffer = NULL;
  35   }
  36 }
  37
  38
  39 static void mikmod_Update( void )
  40 {
  41   gint length;
  42   GstBuffer *outdata;
  43
  44   length = VC_WriteBytes((SBYTE *) audiobuffer, buffer_size);
  45
  46   outdata = gst_buffer_new();
  47
  48   GST_BUFFER_DATA( outdata ) = g_memdup( audiobuffer, length );
  49   GST_BUFFER_SIZE( outdata ) = length;
  50
  51   GST_BUFFER_TIMESTAMP( outdata ) = timestamp;
  52
  53   if ( need_sync == 1 )
  54   {
  55     /* FIXME, send a flush event or something */
  56     need_sync = 0 ;
  57   }
  58   gst_pad_push( srcpad, GST_DATA (outdata ));
  59
  60 }
  61
  62 static BOOL mikmod_Reset( void )
  63 {
  64   VC_Exit();
  65   return VC_Init();
  66 }
  67
  68
  69 MDRIVER drv_gst =
  70 {
  71         NULL,
  72         "mikmod",
  73         "mikmod output driver v1.0",
  74         0, 255,
  75 #if (LIBMIKMOD_VERSION > 0x030106)
  76         "mikmod",
  77         NULL,
  78 #endif
  79         mikmod_IsThere,
  80         VC_SampleLoad,
  81         VC_SampleUnload,
  82         VC_SampleSpace,
  83         VC_SampleLength,
  84         mikmod_Init,
  85         mikmod_Exit,
  86         mikmod_Reset,
  87         VC_SetNumVoices,
  88         VC_PlayStart,
  89         VC_PlayStop,
  90         mikmod_Update,
  91         NULL,
  92         VC_VoiceSetVolume,
  93         VC_VoiceGetVolume,
  94         VC_VoiceSetFrequency,
  95         VC_VoiceGetFrequency,
  96         VC_VoiceSetPanning,
  97         VC_VoiceGetPanning,
  98         VC_VoicePlay,
  99         VC_VoiceStop,
 100         VC_VoiceStopped,
 101         VC_VoiceGetPosition,
 102         VC_VoiceRealVolume
 103 };