整理代码

video/shine/AudioEncoder.cpp

@@ -0,0 +1,99 @@
+/*
+ *******************************************************************************
+ *                                   INCLUDE
+ *******************************************************************************
+ */
+#include "AudioEncoder.h"
+#include "Logger.h"
+#include "../core/System.h"
+
+namespace Video
+{
+namespace Shine
+{
+/*
+ *******************************************************************************
+ *                                CLASS DEFINE
+ *******************************************************************************
+ */
+AudioEncoder::AudioEncoder(Core::CodecID codecID)
+    : Core::AudioEncoder(Poco::format("Shine::AudioEncoder(%s)", Core::codecIDToString(codecID)), codecID),
+      _pEncoder(nullptr)
+{
+    shine_set_config_mpeg_defaults(&_config.mpeg);
+}
+
+AudioEncoder::~AudioEncoder()
+{
+}
+
+void AudioEncoder::initialize()
+{
+    setSampleFormat(Core::SampleFormat::S16);
+
+    int channels = Core::channelLayoutChannels(getChannelLayout());
+
+    _config.wave.channels   = channels > 1 ? PCM_STEREO : PCM_MONO;
+    _config.wave.samplerate = getSampleRate();
+    _config.mpeg.bitr       = (int)(getBitrate() / 1000);
+
+    if (shine_check_config(_config.wave.samplerate, _config.mpeg.bitr) < 0)
+        throw Poco::InvalidAccessException(Poco::format("%s: Config error.", name()), -1);
+
+    _config.mpeg.mode = _config.wave.channels > 1 ? STEREO : MONO;
+
+    _pEncoder = shine_initialise(&_config);
+    dummyConfig(&_config);
+
+    setFrameSize(shine_samples_per_pass(_pEncoder));
+}
+
+void AudioEncoder::deinitialize()
+{
+    if (_pEncoder)
+    {
+        shine_close(_pEncoder);
+        _pEncoder = nullptr;
+    }
+}
+
+Core::Packet::Ptr AudioEncoder::encode()
+{
+    if (!_pEncoder)
+        return nullptr;
+
+    auto     pIn = readFrame();
+    int      len;
+    uint8_t* pData = shine_encode_buffer_interleaved(_pEncoder, (int16_t*)pIn->data[0].get(), &len);
+    if (!pData || len <= 0)
+    {
+        logger().error("%s: Encode FAIL", name());
+        return nullptr;
+    }
+
+    uint8_t* pBuffer = new uint8_t[len];
+    memcpy(pBuffer, pData, len);
+
+    return new Core::Packet(serialCodeManager().code(), 0, pBuffer, len, pIn->timestamp, pIn->timestamp);
+}
+
+void AudioEncoder::onConfigChanged(ParameterNames& names)
+{
+    Core::AudioEncoder::onConfigChanged(names);
+}
+
+void AudioEncoder::dummyConfig(shine_config_t* pConfig)
+{
+    static const char* version_names[4] = {"2.5", "reserved", "II", "I"};
+    static const char* mode_names[4]    = {"stereo", "joint-stereo", "dual-channel", "mono"};
+    static const char* demp_names[4]    = {"none", "50/15us", "", "CITT"};
+
+    printf("MPEG-%s layer III, %s  Psychoacoustic Model: Shine\n",
+           version_names[shine_check_config(pConfig->wave.samplerate, pConfig->mpeg.bitr)],
+           mode_names[pConfig->mpeg.mode]);
+    printf("Bitrate: %d kbps  ", pConfig->mpeg.bitr);
+    printf("De-emphasis: %s   %s %s\n", demp_names[pConfig->mpeg.emph], ((pConfig->mpeg.original) ? "Original" : ""),
+           ((pConfig->mpeg.copyright) ? "(C)" : ""));
+}
+}
+}

video/shine/AudioEncoder.h

@@ -0,0 +1,43 @@
+#ifndef FAAFB16A_5BB2_43F7_9F92_991E8328451D
+#define FAAFB16A_5BB2_43F7_9F92_991E8328451D
+/*
+ *******************************************************************************
+ *                                   INCLUDE
+ *******************************************************************************
+ */
+#include "../core/AudioEncoder.h"
+extern "C"
+{
+#include <shine/layer3.h>
+}
+
+namespace Video
+{
+namespace Shine
+{
+/*
+ *******************************************************************************
+ *                                CLASS DECLARE
+ *******************************************************************************
+ */
+class AudioEncoder: public Core::AudioEncoder
+{
+public:
+    AudioEncoder(Core::CodecID codecID);
+    ~AudioEncoder();
+
+protected:
+    void              initialize() override;
+    void              deinitialize() override;
+    Core::Packet::Ptr encode() override;
+    void              onConfigChanged(ParameterNames& names) override;
+
+    void dummyConfig(shine_config_t* pConfig);
+
+private:
+    shine_t        _pEncoder;
+    shine_config_t _config;
+};
+}
+}
+#endif