albertzeyer
c51752a6bb
git-svn-id: https://clonekeenplus.svn.sourceforge.net/svnroot/clonekeenplus/cgenius/trunk@121 4df4b0f3-56ce-47cb-b001-ed939b7d65a6
132 lines
2.8 KiB
C++
132 lines
2.8 KiB
C++
/*
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* CMusic.cpp
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*
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* Created on: 02.05.2009
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* Author: gerstrong
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*/
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#include "CMusic.h"
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#include "../hqp/hq_sound.h"
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#include "../CLogFile.h"
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#include "../include/vorbis/oggsupport.h"
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CMusic::CMusic() {
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playmode = PLAY_MODE_STOP;
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music_buffer = NULL;
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music_pos = 0;
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music_len = 0;
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}
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CMusic::~CMusic() {
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unload();
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}
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int CMusic::load(SDL_AudioSpec AudioSpec, char *musicfile)
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{
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if(AudioSpec.format != 0)
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{
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#ifdef BUILD_WITH_OGG
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SDL_AudioSpec AudioFileSpec;
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SDL_AudioCVT Audio_cvt;
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stHQSound pOggAudio;
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pOggAudio.sound_buffer=NULL;
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pOggAudio.sound_len=0;
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pOggAudio.sound_pos=0;
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FILE *fp;
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if((fp = fopen(musicfile,"rb")) == NULL)
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{
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g_pLogFile->textOut(PURPLE,"Music Driver(): \"%s\". File does not exist!<br>", musicfile);
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return -1;
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}
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if(openOGGSound(fp, &AudioFileSpec, AudioSpec.format, &pOggAudio) != 0)
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{
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g_pLogFile->textOut(PURPLE,"Music Driver(): OGG file could not be opened: \"%s\". File is damaged or something is wrong with your soundcard!<br>", musicfile);
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return 1;
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}
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g_pLogFile->ftextOut("Music Driver(): File \"%s\" opened successfully!<br>", musicfile);
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int ret;
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ret = SDL_BuildAudioCVT(&Audio_cvt,
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AudioFileSpec.format, AudioFileSpec.channels, AudioFileSpec.freq,
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AudioSpec.format, AudioSpec.channels, AudioSpec.freq);
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music_pos = 0;
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if(ret == -1){
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g_pLogFile->textOut(PURPLE,"Music Driver(): Couldn't convert the audio for an appropriate format!<br>");
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free(pOggAudio.sound_buffer);
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pOggAudio.sound_len = 0;
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pOggAudio.sound_pos = 0;
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return 1;
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}
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music_len = pOggAudio.sound_len;
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Audio_cvt.buf = (Uint8*) malloc(music_len * (Audio_cvt.len_mult) * sizeof(Uint8));
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Audio_cvt.len = music_len;
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memcpy(Audio_cvt.buf, pOggAudio.sound_buffer, music_len*sizeof(Uint8));
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free(pOggAudio.sound_buffer);
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SDL_ConvertAudio(&Audio_cvt);
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music_len = Audio_cvt.len_cvt;
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music_buffer = new Uint8 [music_len];
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memcpy(music_buffer, Audio_cvt.buf, music_len);
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// Structure Audio_cvt must be freed!
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free(Audio_cvt.buf);
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return 0;
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#endif
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}
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else
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g_pLogFile->textOut(PURPLE,"Music Driver(): I would like to open the music for you. But your Soundcard is disabled!!<br>");
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return 0;
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}
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void CMusic::unload(void)
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{
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if(music_buffer){ delete[] music_buffer; music_buffer = NULL; }
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music_len = 0;
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music_pos = 0;
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playmode = PLAY_MODE_STOP;
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}
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void CMusic::play(void)
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{
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if(music_buffer)
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playmode = PLAY_MODE_PLAY;
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}
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void CMusic::stop(void)
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{
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playmode = PLAY_MODE_STOP;
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}
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Uint8 *CMusic::passBuffer(int length) // length only refers to the part(buffer) that has to be played
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{
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if(!music_buffer)
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return NULL;
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if(length < music_len - music_pos)
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{
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music_pos += length;
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return music_buffer + music_pos - length;
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}
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else
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{
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music_pos = 0;
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return music_buffer;
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}
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}
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