jailers/JailAudioSDL3
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- [FIX] La musica duraba la meitat per contar samples en compte de bytes

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This commit is contained in:
Raimon Zamora
2024-12-29 08:06:58 +01:00
parent f5ee23cea3
commit 1b7fdbd230
1 changed files with 6 additions and 4 deletions
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10
jail_audio.cpp
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@@ -20,6 +20,7 @@ struct JA_Channel_t {
struct JA_Music_t { struct JA_Music_t {
int samples {0}; int samples {0};
Uint32 length {0};
int pos {0}; int pos {0};
int times {0}; int times {0};
short* output {NULL}; short* output {NULL};
@@ -60,13 +61,13 @@ void audioCallback(void * userdata, uint8_t * stream, int len) {
volume = JA_musicVolume * (1.0 - percent); volume = JA_musicVolume * (1.0 - percent);
} }
} }
const int size = SDL_min(len, (current_music->samples-current_music->pos)*2); const int size = SDL_min(len, current_music->length - current_music->pos);
SDL_MixAudioFormat(stream, (Uint8*)(current_music->output+current_music->pos), AUDIO_S16, size, volume); SDL_MixAudioFormat(stream, (Uint8*)(current_music->output)+current_music->pos, AUDIO_S16, size, volume);
current_music->pos += size/2; current_music->pos += size;
if (size < len) { if (size < len) {
if (current_music->times != 0) { if (current_music->times != 0) {
SDL_MixAudioFormat(stream+size, (Uint8*)current_music->output, AUDIO_S16, len-size, volume); SDL_MixAudioFormat(stream+size, (Uint8*)current_music->output, AUDIO_S16, len-size, volume);
current_music->pos = (len-size)/2; current_music->pos = len-size;
if (current_music->times > 0) current_music->times--; if (current_music->times > 0) current_music->times--;
} else { } else {
current_music->pos = 0; current_music->pos = 0;
@@ -136,6 +137,7 @@ JA_Music_t *JA_LoadMusic(Uint8* buffer, Uint32 length)
SDL_Log("Music length: %f\n", float(music->samples)/float(JA_freq)); SDL_Log("Music length: %f\n", float(music->samples)/float(JA_freq));
if (cvt.needed) { if (cvt.needed) {
cvt.len = music->samples * chan * 2; cvt.len = music->samples * chan * 2;
music->length = cvt.len;
cvt.buf = (Uint8 *) SDL_malloc(cvt.len * cvt.len_mult); cvt.buf = (Uint8 *) SDL_malloc(cvt.len * cvt.len_mult);
SDL_memcpy(cvt.buf, music->output, cvt.len); SDL_memcpy(cvt.buf, music->output, cvt.len);
SDL_ConvertAudio(&cvt); SDL_ConvertAudio(&cvt);