Mercurial > almixer_isolated

annotate EXAMPLES/playstream.c @ 78:714ec6c5789d

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Fixed a unit conversion bug in the Ogg Tremor decoder for SoundDecoder. This fixes out of memory issues with LoadAll on long, but still reasonably sized .ogg files on some Android devices. Ogg Vorbis uses seconds and we multiply by 1000 to convert to milliseconds. But Ogg Tremor already uses milliseconds but I was still multiplying by 1000. (The Tremor decoder was derived from the Vorbis decoder so this is actually the second time I hit a bug like this.)
author Eric Wing <ewing . public |-at-| gmail . com>
date Thu, 25 Oct 2012 16:12:50 -0700
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1 #include "ALmixer.h"
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2 #include <stdio.h>
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3 #include <stdlib.h>
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4
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5 #ifdef ALMIXER_COMPILE_WITHOUT_SDL
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6 #if defined(_WIN32)
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7 #define WIN32_LEAN_AND_MEAN
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8 #include <windows.h>
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9 #else
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10 #include <unistd.h>
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11 #endif
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12
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13 static void Internal_Delay(ALuint milliseconds_delay)
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14 {
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15 #if defined(_WIN32)
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16 Sleep(milliseconds_delay);
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17 #else
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18 usleep(milliseconds_delay*1000);
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19 #endif
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20 }
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21 #else
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22 #include "SDL.h"
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23 #define Internal_Delay SDL_Delay
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24 #endif
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25 #define MAX_SOURCES 16
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26
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27 ALboolean g_PlayingAudio[MAX_SOURCES];
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28
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29 void Internal_SoundFinished_CallbackIntercept(ALint which_channel, ALuint al_source, ALmixer_Data* almixer_data, ALboolean finished_naturally, void* user_data)
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30 {
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31 fprintf(stderr, "Channel %d finished\n", which_channel);
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32 g_PlayingAudio[which_channel] = AL_FALSE;
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33 }
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34
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35 int main(int argc, char* argv[])
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36 {
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37 ALint i;
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38 ALboolean still_playing = AL_TRUE;
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39
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40 ALmixer_Data* audio_data[MAX_SOURCES];
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41
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42 if(argc < 1)
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43 {
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44 printf("Pass a sound file (or files) as a parameter\n");
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45 }
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46 else if(argc-1 > MAX_SOURCES)
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47 {
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48 printf("Maximum supported files is %d\n", MAX_SOURCES);
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49 }
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50 ALmixer_Init(ALMIXER_DEFAULT_FREQUENCY, ALMIXER_DEFAULT_NUM_SOURCES, ALMIXER_DEFAULT_REFRESH);
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51
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52 for(i=1; i<argc; i++)
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53 {
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54 if(!(audio_data[i-1]=ALmixer_LoadStream( argv[i], ALMIXER_DEFAULT_BUFFERSIZE, ALMIXER_DEFAULT_QUEUE_BUFFERS, ALMIXER_DEFAULT_STARTUP_BUFFERS, ALMIXER_DEFAULT_BUFFERS_TO_QUEUE_PER_UPDATE_PASS, AL_FALSE) ))
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55 /*
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56 if(!(audio_data[i-1]=ALmixer_LoadStream( argv[i], 4096, 2, 1, AL_FALSE) ))
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57 if(!(audio_data[i-1]=ALmixer_LoadStream( argv[i], 4096, 5 * 4, 2, AL_FALSE) ))
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58 */
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59 {
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60 printf("%s. Quiting program.\n", ALmixer_GetError());
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61 exit(0);
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62 }
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63 }
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64
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65 ALmixer_SetPlaybackFinishedCallback(Internal_SoundFinished_CallbackIntercept, NULL);
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66
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67 for(i=1; i<argc; i++)
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68 {
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69 g_PlayingAudio[i-1] = AL_TRUE;
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70 ALmixer_PlayChannel(i-1, audio_data[i-1], 0);
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71 }
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72
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73 while(still_playing)
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74 {
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75 still_playing = AL_FALSE;
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76 for(i=1; i<argc; i++)
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77 {
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78 still_playing |= g_PlayingAudio[i-1];
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79 }
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80 ALmixer_Update();
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81 Internal_Delay(10);
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82 }
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83
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84 for(i=1; i<argc; i++)
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85 {
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86 ALmixer_FreeData(audio_data[i-1]);
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87 }
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88
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89 ALmixer_Quit();
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90
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91 return 0;
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92 }
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93