JailDoctor/JailAudio
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New stb_vorbis version added. OGG loading time optimized.

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JailDoctor
2022-08-28 09:07:37 +02:00
parent 1ba349f6c3
commit 52df28a4f0
4 changed files with 88 additions and 51 deletions
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15
jail_audio.cpp
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@@ -1,6 +1,7 @@
#include "jail_audio.h"
#include "stb_vorbis.c"
#include <SDL2/SDL.h>
#include <stdio.h>
#define JA_MAX_SIMULTANEOUS_CHANNELS 5
@@ -80,7 +81,19 @@ void JA_Init(const int freq, const SDL_AudioFormat format, const int channels) {
JA_Music JA_LoadMusic(const char* filename) {
int chan, samplerate;
JA_Music music = new JA_Music_t();
music->samples = stb_vorbis_decode_filename(filename, &chan, &samplerate, &music->output);
// [RZC 28/08/22] Carreguem primer el arxiu en memòria i després el descomprimim. Es algo més rapid.
FILE *f = fopen(filename, "rb");
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
Uint8 *buffer = (Uint8*)malloc(fsize + 1);
fread(buffer, fsize, 1, f);
fclose(f);
music->samples = stb_vorbis_decode_memory(buffer, fsize, &chan, &samplerate, &music->output);
free(buffer);
// [RZC 28/08/22] Abans el descomprimiem mentre el teniem obert
// music->samples = stb_vorbis_decode_filename(filename, &chan, &samplerate, &music->output);
SDL_AudioCVT cvt;
SDL_BuildAudioCVT(&cvt, AUDIO_S16, chan, samplerate, JA_format, JA_channels, JA_freq);