Merge branch 'v0.20.x'

src/filter/Observer.cxx

@@ -72,6 +72,10 @@ public:
 		return filter.get();
 	}
 
+	void Reset() noexcept override {
+		filter->Reset();
+	}
+
 	ConstBuffer<void> FilterPCM(ConstBuffer<void> src) override {
 		return filter->FilterPCM(src);
 	}

src/output/plugins/HaikuOutputPlugin.cxx

@@ -76,7 +76,6 @@ private:
 	void Close() noexcept override;
 
 	size_t Play(const void *chunk, size_t size) override;
-	void Cancel() noexcept override;
 
 	std::chrono::steady_clock::duration Delay() const noexcept override;
 

src/pcm/SoxrResampler.cxx

@@ -139,6 +139,14 @@ SoxrPcmResampler::Close() noexcept
 	soxr_delete(soxr);
 }
 
+void
+SoxrPcmResampler::Reset() noexcept
+{
+#if SOXR_THIS_VERSION >= SOXR_VERSION(0,1,2)
+	soxr_clear(soxr);
+#endif
+}
+
 ConstBuffer<void>
 SoxrPcmResampler::Resample(ConstBuffer<void> src)
 {

src/pcm/SoxrResampler.hxx

@@ -41,6 +41,7 @@ class SoxrPcmResampler final : public PcmResampler {
 public:
 	AudioFormat Open(AudioFormat &af, unsigned new_sample_rate) override;
 	void Close() noexcept override;
+	void Reset() noexcept override;
 	ConstBuffer<void> Resample(ConstBuffer<void> src) override;
 	ConstBuffer<void> Flush() override;
 };

src/thread/Util.cxx

@@ -38,7 +38,7 @@
 #include <windows.h>
 #endif
 
-#ifdef __linux__
+#if defined(__linux__) && !defined(ANDROID)
 
 static int
 ioprio_set(int which, int who, int ioprio) noexcept
@@ -69,7 +69,11 @@ SetThreadIdlePriority() noexcept
 	sched_setscheduler(0, SCHED_IDLE, &sched_param);
 #endif
 
+#ifndef ANDROID
+	/* this system call is forbidden via seccomp on Android 8 and
+	   leads to crash (SIGSYS) */
 	ioprio_set_idle();
+#endif
 
 #elif defined(_WIN32)
 	SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE);