Initial code for voice synchronization.

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@566 8092fc87-c524-0410-9efc-e669fe64eaf9
2003-01-18 23:26:17 +00:00
parent 2975dd0e52
commit 7b9af3cc3b
10 changed files with 1328 additions and 0 deletions
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+//
+//
+// Ur-Quan Masters Voice-over / Subtitle Synchronization tool
+// Copyright 2003 by Geoffrey Hausheer
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// contact tcpaiqgvnmbf28f001@sneakemail.com for bugs/issues
+//
+#if (USE_SDLAUDIO == 1)
+char AUDIO_TYPE[] = "SDL";
+
+#include <SDL.h> 
+#include <stdlib.h> 
+#include <string.h> 
+#include <math.h> 
+
+#include "audio.h"
+ 
+/* doesn't Win32 have M_PI? */ 
+#ifndef M_PI 
+#define M_PI 3.14159265358979323846 
+#endif 
+
+typedef struct {
+	SDL_AudioSpec spec;
+	char *data;
+	unsigned long data_len;
+	unsigned long data_pos;
+} WAVESTRUCT;
+
+ 
+void fill_audio(void *u, Uint8 *stream, int len); 
+
+unsigned long clocks_per_sec = 1000;
+unsigned long get_clock()
+{
+	return (SDL_GetTicks());
+}
+
+void init_sound ()
+{
+        if(SDL_Init(SDL_INIT_AUDIO) < 0) { 
+                fprintf(stderr,"could not initialize SDL audio\n"); 
+                exit(-1); 
+        }
+}
+WAVESTRUCT *play_sound(AUDIOHDR *audiohdr)
+{ 
+        WAVESTRUCT *WaveData = new WAVESTRUCT;
+/*
+        WaveData->spec.freq = 22050;
+        WaveData->spec.format = AUDIO_S16;
+        WaveData->spec.channels = 2;
+        WaveData->spec.samples = 1024;
+        WaveData->spec.callback = fill_audio;
+*/
+	WaveData->spec.freq = audiohdr->samp_freq;
+	WaveData->spec.format = AUDIO_S16;
+	WaveData->spec.channels = audiohdr->channels;
+	WaveData->spec.samples = 1024;
+	WaveData->spec.callback = fill_audio;
+	WaveData->spec.userdata = WaveData;
+	WaveData->data = audiohdr->data;
+	WaveData->data_len = audiohdr->data_len;
+	WaveData->data_pos = 0;
+        if(SDL_OpenAudio(&WaveData->spec, NULL) < 0) { 
+                fprintf(stderr,"could not open SDL audio\n"); 
+                exit(-1); 
+        } 
+        SDL_PauseAudio(0);
+	return (WaveData);
+}
+
+void pause_sound(WAVESTRUCT *WaveData)
+{
+	if (WaveData)
+		SDL_PauseAudio(1);
+}
+
+void unpause_sound (WAVESTRUCT *WaveData)
+{
+	if (WaveData)
+		SDL_PauseAudio(0);
+}
+
+void reset_sound (WAVESTRUCT *WaveData)
+{
+	if (WaveData) {
+	        SDL_CloseAudio();
+		delete WaveData->data;
+		delete WaveData;
+	}
+} 
+/*
+void fill_audio (void *u, Uint8 *stream, int len)
+{
+        Sint16 *b;
+        int l, i;
+        double factor;
+
+        printf("%p is %d\n", u, *(int*)u);
+        factor = Frequency / 22050.0 * 2.0 * M_PI;
+        l = len * sizeof *stream / sizeof *b; // yuck 
+        b = (Sint16 *)malloc(l * sizeof *b);
+        for(i = 0; i < l / 2; i++, Offset++) {
+                double v = cos(Offset * factor);
+                b[i * 2] = b[i * 2 + 1] = (int)(v * 32767);
+        }
+        memcpy(stream, b, len);
+        free(b);
+}
+*/
+ 
+void fill_audio (void *u, Uint8 *stream, int len) 
+{ 
+        Sint16 *b; 
+        int l, i; 
+	long amt_left;
+	WAVESTRUCT *WaveData = (WAVESTRUCT *)u;
+
+	amt_left = WaveData->data_len - WaveData->data_pos;
+	if (amt_left > len)
+		amt_left = len;
+	memcpy(stream, WaveData->data + WaveData->data_pos, amt_left);
+	WaveData->data_pos += amt_left;
+} 
+ 
+#endif