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comparison src/audio/macrom/SDL_romaudio.c @ 47:45b1c4303f87

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Added initial support for Quartz video (thanks Darrell!)
author Sam Lantinga <slouken@lokigames.com>
date Thu, 07 Jun 2001 14:28:11 +0000
parents 74212992fb08
children e8157fcb3114
comparison
equal deleted inserted replaced
46:3dcf26fa9d15 47:45b1c4303f87
103 static void callBackProc (SndChannel *chan, SndCommand *cmd_passed ) { 103 static void callBackProc (SndChannel *chan, SndCommand *cmd_passed ) {
104 104
105 UInt32 fill_me, play_me; 105 UInt32 fill_me, play_me;
106 SndCommand cmd; 106 SndCommand cmd;
107 SDL_AudioDevice *audio = (SDL_AudioDevice *)chan->userInfo; 107 SDL_AudioDevice *audio = (SDL_AudioDevice *)chan->userInfo;
108 108
109 fill_me = cmd_passed->param2; /* buffer that has just finished playing, 109 fill_me = cmd_passed->param2; /* buffer that has just finished playing, so fill it */
110 so fill it */
111 play_me = ! fill_me; /* filled buffer to play _now_ */ 110 play_me = ! fill_me; /* filled buffer to play _now_ */
112 111
113 if ( ! audio->enabled ) { 112 if ( ! audio->enabled ) {
114 return; 113 return;
115 } 114 }
117 header.samplePtr = (Ptr)buffer[play_me]; 116 header.samplePtr = (Ptr)buffer[play_me];
118 117
119 cmd.cmd = bufferCmd; 118 cmd.cmd = bufferCmd;
120 cmd.param1 = 0; 119 cmd.param1 = 0;
121 cmd.param2 = (long)&header; 120 cmd.param2 = (long)&header;
122 121
123 SndDoCommand (chan, &cmd, 0); 122 SndDoCommand (chan, &cmd, 0);
124 123
125 memset (buffer[fill_me], 0, audio->spec.size); 124 memset (buffer[fill_me], 0, audio->spec.size);
126 125
127 if ( ! audio->paused ) { 126 if ( ! audio->paused ) {
128 if ( audio->convert.needed ) { 127 if ( audio->convert.needed ) {
129 audio->spec.callback(audio->spec.userdata, 128 #if MACOSX
130 (Uint8 *)audio->convert.buf,audio->convert.len); 129 SDL_mutexP(audio->mixer_lock);
130 #endif
131 audio->spec.callback(audio->spec.userdata,
132 (Uint8 *)audio->convert.buf,audio->convert.len);
133 #if MACOSX
134 SDL_mutexV(audio->mixer_lock);
135 #endif
131 SDL_ConvertAudio(&audio->convert); 136 SDL_ConvertAudio(&audio->convert);
132 #if 0 137 #if 0
133 if ( audio->convert.len_cvt != audio->spec.size ) { 138 if ( audio->convert.len_cvt != audio->spec.size ) {
134 /* Uh oh... probably crashes here; */ 139 /* Uh oh... probably crashes here; */
135 } 140 }
136 #endif 141 #endif
137 memcpy(buffer[fill_me], audio->convert.buf, 142 memcpy(buffer[fill_me], audio->convert.buf,
138 audio->convert.len_cvt); 143 audio->convert.len_cvt);
139 } else { 144 } else {
145 #if MACOSX
146 SDL_mutexP(audio->mixer_lock);
147 #endif
140 audio->spec.callback(audio->spec.userdata, 148 audio->spec.callback(audio->spec.userdata,
141 (Uint8 *)buffer[fill_me], audio->spec.size); 149 (Uint8 *)buffer[fill_me], audio->spec.size);
142 } 150 #if MACOSX
143 } 151 SDL_mutexV(audio->mixer_lock);
144 152 #endif
153 }
154 }
155
145 if ( running ) { 156 if ( running ) {
146 157
147 cmd.cmd = callBackCmd; 158 cmd.cmd = callBackCmd;
148 cmd.param1 = 0; 159 cmd.param1 = 0;
149 cmd.param2 = play_me; 160 cmd.param2 = play_me;
150 161
151 SndDoCommand (chan, &cmd, 0); 162 SndDoCommand (chan, &cmd, 0);
152 } 163 }
164
153 } 165 }
154 166
155 static int Mac_OpenAudio(_THIS, SDL_AudioSpec *spec) { 167 static int Mac_OpenAudio(_THIS, SDL_AudioSpec *spec) {
156 168
157 SndCallBackUPP callback; 169 SndCallBackUPP callback;