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Added support for surround sound and float audio on Android

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This commit is contained in:
Sam Lantinga
2018-10-09 20:12:43 -07:00
parent 4679f6826d
commit f5a21ebf0c
5 changed files with 451 additions and 167 deletions
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25
src/audio/android/SDL_androidaudio.c
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@@ -57,7 +57,9 @@ ANDROIDAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
test_format = SDL_FirstAudioFormat(this->spec.format);
while (test_format != 0) { /* no "UNKNOWN" constant */
if ((test_format == AUDIO_U8) || (test_format == AUDIO_S16LSB)) {
if ((test_format == AUDIO_U8) ||
(test_format == AUDIO_S16) ||
(test_format == AUDIO_F32)) {
this->spec.format = test_format;
break;
}
@@ -69,25 +71,8 @@ ANDROIDAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
return SDL_SetError("No compatible audio format!");
}
if (this->spec.channels > 1) {
this->spec.channels = 2;
} else {
this->spec.channels = 1;
}
if (this->spec.freq < 8000) {
this->spec.freq = 8000;
}
if (this->spec.freq > 48000) {
this->spec.freq = 48000;
}
/* TODO: pass in/return a (Java) device ID */
this->spec.samples = Android_JNI_OpenAudioDevice(iscapture, this->spec.freq, this->spec.format == AUDIO_U8 ? 0 : 1, this->spec.channels, this->spec.samples);
if (this->spec.samples == 0) {
/* Init failed? */
return SDL_SetError("Java-side initialization failed!");
if (Android_JNI_OpenAudioDevice(iscapture, &this->spec) < 0) {
return -1;
}
SDL_CalculateAudioSpec(&this->spec);