Base64 encoding en zo
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Thulinma
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8dc6616444
commit
8bfc5d87c0
1 changed files with 69 additions and 36 deletions
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@ -3,7 +3,7 @@
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//debugging level 2 = errors
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//debugging level 3 = status information
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//debugging level 4 = extremely verbose status information
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#define DEBUG 3
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#define DEBUG 4
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#include <iostream>
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#include <cstdlib>
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@ -15,13 +15,34 @@
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#include <sys/epoll.h>
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#include <getopt.h>
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enum {HANDLER_PROGRESSIVE, HANDLER_FLASH, HANDLER_APPLE, HANDLER_MICRO};
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enum {HANDLER_NONE, HANDLER_PROGRESSIVE, HANDLER_FLASH, HANDLER_APPLE, HANDLER_MICRO};
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#define DEFAULT_PORT 80
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#include "../util/server_setup.cpp"
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#include "../util/http_parser.cpp"
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#include "../MP4/interface.h"
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static const std::string base64_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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std::string base64_encode(std::string const input) {
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std::string ret;
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unsigned int in_len = input.size();
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char quad[4], triple[3];
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int i, x, n = 3;
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for (x = 0; x < in_len; x = x + 3){
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if ((in_len - x) / 3 == 0){n = (in_len - x) % 3;}
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for (i=0; i < 3; i++){triple[i] = '0';}
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for (i=0; i < n; i++){triple[i] = input[x + i];}
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quad[0] = base64_chars[(triple[0] & 0xFC) >> 2]; // FC = 11111100
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quad[1] = base64_chars[((triple[0] & 0x03) << 4) | ((triple[1] & 0xF0) >> 4)]; // 03 = 11
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quad[2] = base64_chars[((triple[1] & 0x0F) << 2) | ((triple[2] & 0xC0) >> 6)]; // 0F = 1111, C0=11110
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quad[3] = base64_chars[triple[2] & 0x3F]; // 3F = 111111
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if (n < 3){quad[3] = '=';}
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if (n < 2){quad[2] = '=';}
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for(i=0; i < 4; i++){ret += quad[i];}
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}
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return ret;
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}//base64_encode
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int FlvToFragNum( FLV_Pack * tag ) {
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int Timestamp = (tag->data[7] << 24 ) + (tag->data[4] << 16 ) + (tag->data[5] << 8 ) + (tag->data[6] );
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return (Timestamp / 10000) + 1;
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@ -34,15 +55,13 @@ std::string BuildManifest( std::string MetaData, std::string MovieId, int Curren
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Result += " <streamType>live</streamType>\n";
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Result += " <deliveryType>streaming</deliveryType>\n";
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Result += " <bootstrapInfo profile=\"named\" id=\"bootstrap1\">\n";
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//JARON: Encode BASE64
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Result += temp->GenerateLiveBootstrap( CurrentMediaTime );
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Result += base64_encode(temp->GenerateLiveBootstrap(CurrentMediaTime));
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Result += " </bootstrapInfo>\n";
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Result += " <media streamId=\"1\" bootstrapInfoId=\"bootstrap1\" url=\"";
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Result += MovieId;
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Result += "/\">";
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Result += " <metadata>\n";
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//JARON: Encode BASE64
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Result += MetaData;
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Result += base64_encode(MetaData);
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Result += " </metadata>\n";
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Result += " </media>\n";
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Result += "</manifest>\n";
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@ -84,12 +103,22 @@ int mainHandler(int CONN_fd){
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retval = epoll_wait(poller, events, 1, 1);
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if ((retval > 0) || !ready4data){
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if (HTTP_R.ReadSocket(CONN_fd)){
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if( (HTTP_R.url.find("Seg") != std::string::npos) &&
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(HTTP_R.url.find("Frag") != std::string::npos) ) {
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handler = HANDLER_FLASH;
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handler = HANDLER_PROGRESSIVE;
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if ((HTTP_R.url.find("Seg") != std::string::npos) && (HTTP_R.url.find("Frag") != std::string::npos)){handler = HANDLER_FLASH;}
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if (HTTP_R.url.find("f4m") != std::string:npos){handler = HANDLER_FLASH;}
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if (HTTP_R.url == "/crossdomain.xml"){
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handler = HANDLER_NONE;
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HTTP_S.Clean();
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HTTP_S.SetHeader("Content-Type", "text/xml");
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HTTP_S.SetBody("<?xml version=\"1.0\"?><!DOCTYPE cross-domain-policy SYSTEM \"http://www.adobe.com/xml/dtds/cross-domain-policy.dtd\"><cross-domain-policy><allow-access-from domain=\"*\" /><site-control permitted-cross-domain-policies=\"all\"/></cross-domain-policy>");
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std::string tmpresp = HTTP_S.BuildResponse("200", "OK");//geen SetBody = unknown length! Dat willen we hier.
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DDV_write(tmpresp.c_str(), tmpresp.size(), CONN_fd);//schrijf de HTTP response header
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#if DEBUG >= 3
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printf("Sending crossdomain.xml file\n");
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#endif
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}
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printf( "Handler: %d\n", handler );
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if(handler == HANDLER_FLASH) {
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if(handler == HANDLER_FLASH){
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if (HTTP_R.url.find("f4m") == std::string:npos){
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Movie = HTTP_R.url.substr(1);
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Movie = Movie.substr(0,Movie.find("/"));
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Quality = HTTP_R.url.substr( HTTP_R.url.find("/",1)+1 );
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@ -98,12 +127,23 @@ int mainHandler(int CONN_fd){
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Segment = atoi( HTTP_R.url.substr(temp,HTTP_R.url.find("-",temp)-temp).c_str());
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temp = HTTP_R.url.find("Frag") + 4;
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ReqFragment = atoi( HTTP_R.url.substr(temp).c_str() );
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#if DEBUG >= 4
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printf( "URL: %s\n", HTTP_R.url.c_str());
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printf( "Movie Identifier: %s\n", Movie.c_str() );
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printf( "Quality Modifier: %s\n", Quality.c_str() );
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printf( "Segment: %d\n", Segment );
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printf( "Fragment: %d\n", ReqFragment );
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#endif
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HTTP_S.Clean();
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HTTP_S.SetHeader("Content-Type","video/mp4");
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//ERIK: Help, plox?
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//HTTP_S.SetBody();//Wrap de FlashBuf?
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std::string tmpresp = HTTP_S.BuildResponse("200", "OK");
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DDV_write(tmpresp.c_str(), tmpresp.size(), CONN_fd);//schrijf de HTTP response header
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}else{
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Movie = HTTP_R.url.substr(1);
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Movie = Movie.substr(0,Movie.find("/"));
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}
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streamname = "/tmp/shared_socket_";
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for (std::string::iterator i=Movie.end()-1; i>=Movie.begin(); --i){
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if (!isalpha(*i) && !isdigit(*i)){
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@ -113,17 +153,8 @@ int mainHandler(int CONN_fd){
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}//strip nonalphanumeric
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}
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streamname += Movie;
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ready4data = true;
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}//FLASH handler
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//ERIK: we hebben nu een hele HTTP request geparsed - verwerken mag hier, door aanroepen naar
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//ERIK: bijvoorbeeld HTTP_R.GetHeader("headernaam") (voor headers) of HTTP_R.GetVar("varnaam") (voor GET/POST vars)
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//ERIK: of HTTP_R.method of HTTP_R.url of HTTP_R.protocol....
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//ERIK: zie ook ../util/http_parser.cpp - de class definitie bovenaan zou genoeg moeten zijn voor je
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//ERIK: Ik heb een handler variabele gemaakt die moet setten naar bijv HANDLER_FLASH in jouw geval.
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//ERIK: Als de handler niet is geset, is hij by default PROGRESSIVE, en daarvoor heb ik de verwerking al gecode.
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//ERIK: Je eigen handler instellen voorkomt dus dat mijn code hem handled alsof hij progressive is.
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if (handler == HANDLER_PROGRESSIVE){
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//in het geval progressive nemen we aan dat de URL de streamname is, met .flv erachter
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streamname = HTTP_R.url.substr(0, HTTP_R.url.size()-4);//strip de .flv
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@ -132,7 +163,7 @@ int mainHandler(int CONN_fd){
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}
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streamname = "/tmp/shared_socket_" + streamname;//dit is dan onze shared_socket
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//normaal zouden we ook een position uitlezen uit de URL, maar bij LIVE streams is dat zinloos
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printf( "Streamname: %s\n", streamname.c_str() );
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printf("Streamname: %s\n", streamname.c_str());
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ready4data = true;
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}//PROGRESSIVE handler
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HTTP_R.Clean(); //maak schoon na verwerken voor eventuele volgende requests...
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@ -183,7 +214,9 @@ int mainHandler(int CONN_fd){
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HTTP_S.Clean();
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HTTP_S.SetHeader("Content-Type","text/xml");
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HTTP_S.SetHeader("Cache-Control","no-cache");
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// HTTP_S.SetBody
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HTTP_S.SetBody(BuildManifest(FlashMeta, Movie, 0));
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std::string tmpresp = HTTP_S.BuildResponse("200", "OK");
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DDV_write(tmpresp.c_str(), tmpresp.size(), CONN_fd);//schrijf de HTTP response header
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}
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}
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}
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