From 83deeeafe2e81b42ff485e4582d4c1ac00872f50 Mon Sep 17 00:00:00 2001
From: Jon Bergli Heier <snakebite@jvnv.net>
Date: Tue, 28 Dec 2010 21:08:58 +0100
Subject: Added a simple interface to transcoding by specifying the 'decoder'
 and 'encoder' query arguments.

---
 httpd.cpp |  2 +-
 music.cpp | 29 ++++++++++++++++++++++-------
 music.h   |  8 ++++----
 3 files changed, 27 insertions(+), 12 deletions(-)

diff --git a/httpd.cpp b/httpd.cpp
index 92eb9e8..203f4e0 100644
--- a/httpd.cpp
+++ b/httpd.cpp
@@ -27,7 +27,7 @@ void HTTPConnection::handle_read(const boost::system::error_code& error, size_t
 		res.code = 200;
 		res.status = "OK";
 
-		ml->render(res);
+		ml->render(req, res);
 	} else {
 		res.code = 404;
 		res.status = "Not Found";
diff --git a/music.cpp b/music.cpp
index b36ba7b..8321b38 100644
--- a/music.cpp
+++ b/music.cpp
@@ -1,4 +1,7 @@
 #include "music.h"
+#include "decoder.h"
+#include "encoder.h"
+#include "transcode.h"
 
 #include <boost/format.hpp>
 #include <boost/algorithm/string/predicate.hpp>
@@ -8,7 +11,10 @@ namespace music {
 
 MusicDirectory *root_directory = NULL;
 
-void init(const fs::path root) {
+void init(std::string root) {
+	// remove trailing slash
+	if(boost::algorithm::ends_with(root, "/"))
+		root = root.substr(0, root.size()-1);
 	root_directory = new MusicDirectory(root);
 }
 
@@ -41,7 +47,7 @@ MusicListing *find(std::string path) {
 
 }; // namespace music
 
-void MusicDirectory::render(HTTPResponse& res) {
+void MusicDirectory::render(HTTPRequest& req, HTTPResponse& res) {
 	res.add_header("content-type", "text/html");
 
 	for(MusicDirectories::iterator it = directories.begin(); it != directories.end(); it++) {
@@ -75,7 +81,7 @@ MusicDirectory::MusicDirectory(const fs::path root) {
 	}
 }
 
-void MusicTrack::render(HTTPResponse& res) {
+void MusicTrack::render(HTTPRequest& req, HTTPResponse& res) {
 	res.add_header("content-type", "application/octet-stream");
 
 	fs::ifstream is(path, std::ios::binary | std::ios::in);
@@ -83,9 +89,18 @@ void MusicTrack::render(HTTPResponse& res) {
 	res.add_header("content-length", boost::str(boost::format("%d") % is.tellg()));
 	is.seekg(0, std::ios::beg);
 
-	char data[0x1000];
-	while(is.good()) {
-		is.read(data, 0x1000);
-		res.write(data, is.gcount());
+	if(req.query.find("decoder") != req.query.end() && req.query.find("encoder") != req.query.end()) {
+		DecoderBase *d = decoder::get_decoder(req.query["decoder"]);
+		EncoderBase *e = encoder::get_encoder(req.query["encoder"]);
+		Transcoder t(is, res, *d, *e);
+		t.run();
+		delete d;
+		delete e;
+	} else {
+		char data[0x1000];
+		while(is.good()) {
+			is.read(data, 0x1000);
+			res.write(data, is.gcount());
+		}
 	}
 }
diff --git a/music.h b/music.h
index 45c40fb..a86c6ac 100644
--- a/music.h
+++ b/music.h
@@ -12,13 +12,13 @@ namespace fs = boost::filesystem;
 class MusicListing {
 	public:
 		fs::path path;
-		virtual void render(HTTPResponse& res) = 0;
+		virtual void render(HTTPRequest& req, HTTPResponse& res) = 0;
 };
 
 class MusicTrack : public MusicListing {
 	public:
 		MusicTrack(const fs::path path);
-		virtual void render(HTTPResponse& res);
+		virtual void render(HTTPRequest& req, HTTPResponse& res);
 };
 
 class MusicDirectory;
@@ -31,12 +31,12 @@ class MusicDirectory : public MusicListing {
 		MusicTracks tracks;
 
 		MusicDirectory(const fs::path root);
-		virtual void render(HTTPResponse& res);
+		virtual void render(HTTPRequest& req, HTTPResponse& res);
 };
 
 namespace music {
 	extern MusicDirectory *root_directory;
-	void init(const fs::path root);
+	void init(std::string root);
 	MusicListing *find(std::string path, MusicDirectory& root);
 	MusicListing *find(std::string path);
 };
-- 
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