diff options
| -rw-r--r-- | backends/platform/android/android.cpp | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/backends/platform/android/android.cpp b/backends/platform/android/android.cpp index 860ff1f7ee..f20cf848d4 100644 --- a/backends/platform/android/android.cpp +++ b/backends/platform/android/android.cpp @@ -176,7 +176,7 @@ void *OSystem_Android::audioThreadFunc(void *arg) { byte *buf; int offset, left, written; - int samples; + int samples, i; struct timespec tv_delay; tv_delay.tv_sec = 0; @@ -188,6 +188,7 @@ void *OSystem_Android::audioThreadFunc(void *arg) { tv_full.tv_sec = 0; tv_full.tv_nsec = msecs_full * 1000 * 1000; + bool silence; uint silence_count = 0; while (!system->_audio_thread_exit) { @@ -196,9 +197,24 @@ void *OSystem_Android::audioThreadFunc(void *arg) { samples = mixer->mixCallback(buf, buf_size); + silence = samples < 1; + + // looks stupid, and it is, but currently there's no way to detect + // silence-only buffers from the mixer + if (!silence) { + silence = true; + + for (i = 0; i < samples; i += 2) + // SID streams constant crap + if (READ_UINT16(buf + i) > 32) { + silence = false; + break; + } + } + env->ReleasePrimitiveArrayCritical(bufa, buf, 0); - if (samples < 1) { + if (silence) { if (!paused) silence_count++; |