From 84febca8b268129cdd79ff0d1c4f8eeed092c5fb Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Sat, 7 Oct 2017 11:47:05 +0200
Subject: Use queue for all inputs and unify interface

This also changes the --fifo-silence option. Instead of inserting
silence separately, it uses the drift compensation to do that.
---
 src/AlsaInput.h | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

(limited to 'src/AlsaInput.h')

diff --git a/src/AlsaInput.h b/src/AlsaInput.h
index 08ccbf6..e90ed36 100644
--- a/src/AlsaInput.h
+++ b/src/AlsaInput.h
@@ -47,10 +47,12 @@ class AlsaInput : public InputInterface
     public:
         AlsaInput(const std::string& alsa_dev,
                 unsigned int channels,
-                unsigned int rate) :
+                unsigned int rate,
+                SampleQueue<uint8_t>& queue) :
             m_alsa_dev(alsa_dev),
             m_channels(channels),
-            m_rate(rate) { }
+            m_rate(rate),
+            m_queue(queue) { }
 
         AlsaInput(const AlsaInput& other) = delete;
         AlsaInput& operator=(const AlsaInput& other) = delete;
@@ -70,6 +72,8 @@ class AlsaInput : public InputInterface
         unsigned int m_channels;
         unsigned int m_rate;
 
+        SampleQueue<uint8_t>& m_queue;
+
         snd_pcm_t *m_alsa_handle = nullptr;
 };
 
@@ -78,8 +82,9 @@ class AlsaInputDirect : public AlsaInput
     public:
         AlsaInputDirect(const std::string& alsa_dev,
                 unsigned int channels,
-                unsigned int rate) :
-            AlsaInput(alsa_dev, channels, rate) { }
+                unsigned int rate,
+                SampleQueue<uint8_t>& queue) :
+            AlsaInput(alsa_dev, channels, rate, queue) { }
 
 #if 0
         AlsaInputDirect(AlsaInputDirect&& other) :
@@ -102,6 +107,8 @@ class AlsaInputDirect : public AlsaInput
 
         virtual bool fault_detected(void) const override { return false; };
 
+        virtual bool read_source(size_t num_bytes) override;
+
         /*! Read length Bytes from from the alsa device.
          * length must be a multiple of channels * bytes_per_sample.
          *
@@ -117,10 +124,9 @@ class AlsaInputThreaded : public AlsaInput
                 unsigned int channels,
                 unsigned int rate,
                 SampleQueue<uint8_t>& queue) :
-            AlsaInput(alsa_dev, channels, rate),
+            AlsaInput(alsa_dev, channels, rate, queue),
             m_fault(false),
-            m_running(false),
-            m_queue(queue) { }
+            m_running(false) { }
 
         virtual ~AlsaInputThreaded()
         {
@@ -135,6 +141,8 @@ class AlsaInputThreaded : public AlsaInput
 
         virtual bool fault_detected(void) const override { return m_fault; };
 
+        virtual bool read_source(size_t num_bytes) override;
+
     private:
         void process();
 
@@ -142,8 +150,6 @@ class AlsaInputThreaded : public AlsaInput
         std::atomic<bool> m_running;
         std::thread m_thread;
 
-        SampleQueue<uint8_t>& m_queue;
-
 };
 
 #endif // HAVE_ALSA
-- 
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