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解决Android使用AudioTrack播放时，因为多线程同步问题导致的AudioTrack没有调用play的问题 #4879

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解决Android使用AudioTrack播放时，因为多线程同步问题导致的AudioTrack没有调用play的问题 #4879

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9d7f0c0
Merge pull request #1 from Bilibili/master
xiaoxia1992 Aug 18, 2018
359a412
解决Android使用AudioTrack播放时，因为多线程不同步导致的AudioTrack没有调用play的问题
Oct 21, 2019
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14 changes: 12 additions & 2 deletions ijkmedia/ijksdl/android/ijksdl_aout_android_audiotrack.c
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Original file line number Diff line number Diff line change
Expand Up @@ -82,9 +82,12 @@ static int aout_thread_n(JNIEnv *env, SDL_Aout *aout)
assert(buffer);

SDL_SetThreadPriority(SDL_THREAD_PRIORITY_HIGH);

if (!opaque->abort_request && !opaque->pause_on)
bool isPlaying = false;
if (!opaque->abort_request && !opaque->pause_on){
SDL_Android_AudioTrack_play(env, atrack);
isPlaying = true;
}


while (!opaque->abort_request) {
SDL_LockMutex(opaque->wakeup_mutex);
Expand All @@ -99,8 +102,15 @@ static int aout_thread_n(JNIEnv *env, SDL_Aout *aout)
SDL_Android_AudioTrack_flush(env, atrack);
}
SDL_Android_AudioTrack_play(env, atrack);
isPlaying = true;
}
}

if(!opaque->abort_request && !isPlaying){
isPlaying = true;
SDL_Android_AudioTrack_play(env, atrack);
}

if (opaque->need_flush) {
opaque->need_flush = 0;
SDL_Android_AudioTrack_flush(env, atrack);
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