rename files to snake_case

2025-05-10 23:56:43 +02:00 · 2019-10-12 18:28:29 +02:00 · 2019-10-12 18:28:29 +02:00 · a30f548a31
commit a30f548a31
parent ea3921d8b7
87 changed files with 181 additions and 212 deletions
--- a/server/streamreader/pcm_stream.hpp
+++ b/server/streamreader/pcm_stream.hpp
@ -0,0 +1,116 @@
+/***
+    This file is part of snapcast
+    Copyright (C) 2014-2019  Johannes Pohl
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifndef PCM_STREAM_H
+#define PCM_STREAM_H
+
+#include "common/json.hpp"
+#include "common/sample_format.hpp"
+#include "encoder/encoder.hpp"
+#include "message/codecHeader.h"
+#include "message/streamTags.h"
+#include "stream_uri.hpp"
+#include <atomic>
+#include <condition_variable>
+#include <map>
+#include <mutex>
+#include <string>
+#include <thread>
+
+
+class PcmStream;
+
+enum ReaderState
+{
+    kUnknown = 0,
+    kIdle = 1,
+    kPlaying = 2,
+    kDisabled = 3
+};
+
+
+/// Callback interface for users of PcmStream
+/**
+ * Users of PcmStream should implement this to get the data
+ */
+class PcmListener
+{
+public:
+    virtual void onMetaChanged(const PcmStream* pcmStream) = 0;
+    virtual void onStateChanged(const PcmStream* pcmStream, const ReaderState& state) = 0;
+    virtual void onChunkRead(const PcmStream* pcmStream, msg::PcmChunk* chunk, double duration) = 0;
+    virtual void onResync(const PcmStream* pcmStream, double ms) = 0;
+};
+
+
+/// Reads and decodes PCM data
+/**
+ * Reads PCM and passes the data to an encoder.
+ * Implements EncoderListener to get the encoded data.
+ * Data is passed to the PcmListener
+ */
+class PcmStream : public EncoderListener
+{
+public:
+    /// ctor. Encoded PCM data is passed to the PcmListener
+    PcmStream(PcmListener* pcmListener, const StreamUri& uri);
+    virtual ~PcmStream();
+
+    virtual void start();
+    virtual void stop();
+
+    /// Implementation of EncoderListener::onChunkEncoded
+    void onChunkEncoded(const Encoder* encoder, msg::PcmChunk* chunk, double duration) override;
+    virtual std::shared_ptr<msg::CodecHeader> getHeader();
+
+    virtual const StreamUri& getUri() const;
+    virtual const std::string& getName() const;
+    virtual const std::string& getId() const;
+    virtual const SampleFormat& getSampleFormat() const;
+
+    std::shared_ptr<msg::StreamTags> getMeta() const;
+    void setMeta(json j);
+
+    virtual ReaderState getState() const;
+    virtual json toJson() const;
+
+
+protected:
+    std::condition_variable cv_;
+    std::mutex mtx_;
+    std::thread thread_;
+    std::atomic<bool> active_;
+
+    virtual void worker() = 0;
+    virtual bool sleep(int32_t ms);
+    void setState(const ReaderState& newState);
+
+    timeval tvEncodedChunk_;
+    PcmListener* pcmListener_;
+    StreamUri uri_;
+    SampleFormat sampleFormat_;
+    size_t pcmReadMs_;
+    size_t dryoutMs_;
+    std::unique_ptr<Encoder> encoder_;
+    std::string name_;
+    ReaderState state_;
+    std::shared_ptr<msg::StreamTags> meta_;
+};
+
+
+#endif