Initial import from SVN

av/Codec.cpp

@@ -0,0 +1,55 @@
+#include <cassert>
+#include <stdexcept>
+#include <iostream>
+
+#include "Codec.hpp"
+
+Codec::Codec(enum CodecID codec, Type type )
+: _codec(nullptr)
+{
+	if (type == Encoder)
+		_codec = avcodec_find_encoder(codec);
+	else if (type == Decoder)
+		_codec = avcodec_find_decoder(codec);
+
+	if (_codec == nullptr) {
+		std::cerr << "Codec constructor failed! codec = " << codec << ", type = " << type << std::endl;
+		throw std::runtime_error("can't find codec using this id!");
+	}
+}
+
+Codec::Codec(const AVCodec* codec)
+: _codec(codec)
+{
+	assert(_codec != nullptr);
+}
+
+Codec::~Codec()
+{
+	if (_codec == nullptr) {
+		// TODO release iif ownership has not been taken?
+//		av_codec_close(_codec);
+	}
+}
+
+const AVCodec*
+Codec::get() const
+{
+	assert(_codec != nullptr);
+	return _codec;
+}
+
+Codec::Id
+Codec::getId() const
+{
+	assert(_codec != nullptr);
+	return _codec->id;
+}
+
+std::string
+Codec::getName() const
+{
+	assert(_codec != nullptr);
+	return _codec->name;
+}
+