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https://github.com/Relintai/sdl2_frt.git
synced 2024-12-20 22:16:49 +01:00
Fixed static and buzzing when trying to use floating point audio on the OpenSL ES audio driver.
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parent
e401b95025
commit
02f9667a08
@ -35,13 +35,14 @@
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#define LOG_TAG "SDL_openslES"
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#if 0
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#define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__)
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#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__)
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// #define LOGI(...) do {} while (0)
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// #define LOGE(...) do {} while (0)
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#define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__)
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//#define LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE,LOG_TAG,__VA_ARGS__)
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#define LOGV(...)
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#else
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#define LOGI(...)
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#define LOGE(...)
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#define LOGI(...)
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#define LOGV(...)
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#endif
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/* engine interfaces */
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@ -193,7 +194,7 @@ static void
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bqPlayerCallback(SLAndroidSimpleBufferQueueItf bq, void *context)
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{
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struct SDL_PrivateAudioData *audiodata = (struct SDL_PrivateAudioData *) context;
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LOGI("SLES: Playback Callmeback");
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LOGV("SLES: Playback Callmeback");
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SDL_SemPost(audiodata->playsem);
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return;
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}
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@ -223,13 +224,16 @@ openslES_CreatePCMPlayer(_THIS)
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SLresult result;
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int i;
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#if 0
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SDL_AudioFormat test_format = 0;
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test_format = SDL_FirstAudioFormat( this->spec.format );
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/* If we want to add floating point audio support (requires API level 21)
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it can be done as described here:
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https://developer.android.com/ndk/guides/audio/opensl/android-extensions.html#floating-point
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*/
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#if 1
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/* Just go with signed 16-bit audio as it's the most compatible */
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this->spec.format = AUDIO_S16SYS;
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#else
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SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format);
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while (test_format != 0) {
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if (SDL_AUDIO_ISSIGNED(test_format) && SDL_AUDIO_ISINT(test_format)) {
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break;
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}
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@ -238,10 +242,9 @@ openslES_CreatePCMPlayer(_THIS)
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if (test_format == 0) {
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/* Didn't find a compatible format : */
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LOGI( "No compatible audio format!" );
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return SDL_SetError("No compatible audio format!");
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LOGI( "No compatible audio format, using signed 16-bit audio" );
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test_format = AUDIO_S16SYS;
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}
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this->spec.format = test_format;
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#endif
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@ -250,7 +253,7 @@ openslES_CreatePCMPlayer(_THIS)
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LOGI("Try to open %u hz %u bit chan %u %s samples %u",
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this->spec.freq, SDL_AUDIO_BITSIZE(this->spec.format),
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this->spec.channels, (test_format & 0x1000) ? "BE" : "LE", this->spec.samples);
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this->spec.channels, (this->spec.format & 0x1000) ? "BE" : "LE", this->spec.samples);
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/* configure audio source */
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SLDataLocator_AndroidSimpleBufferQueue loc_bufq = { SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, NUM_BUFFERS };
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@ -496,7 +499,7 @@ openslES_WaitDevice(_THIS)
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{
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struct SDL_PrivateAudioData *audiodata = (struct SDL_PrivateAudioData *) this->hidden;
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LOGI("openslES_WaitDevice( )");
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LOGV("openslES_WaitDevice( )");
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/* Wait for an audio chunk to finish */
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/* WaitForSingleObject(this->hidden->audio_sem, INFINITE); */
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@ -522,7 +525,7 @@ openslES_GetDeviceBuf(_THIS)
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{
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struct SDL_PrivateAudioData *audiodata = (struct SDL_PrivateAudioData *) this->hidden;
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LOGI("openslES_GetDeviceBuf( )");
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LOGV("openslES_GetDeviceBuf( )");
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return audiodata->pmixbuff[audiodata->next_buffer];
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}
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@ -532,7 +535,7 @@ openslES_PlayDevice(_THIS)
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struct SDL_PrivateAudioData *audiodata = (struct SDL_PrivateAudioData *) this->hidden;
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SLresult result;
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LOGI("======openslES_PlayDevice( )======");
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LOGV("======openslES_PlayDevice( )======");
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/* Queue it up */
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result = (*bqPlayerBufferQueue)->Enqueue(bqPlayerBufferQueue, audiodata->pmixbuff[audiodata->next_buffer], this->spec.size);
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