From 8cae5f1fc6720e33360b1fc5e7ed50c59a63a07c Mon Sep 17 00:00:00 2001
From: Oswald de Bruin <oswald@mint>
Date: Fri, 14 Jun 2013 16:30:55 +0200
Subject: [PATCH] Merge branch 'oggLib' of github.com:DDVTECH/libmist into
 oggLib

Conflicts:
	lib/Makefile.am
	lib/ogg.cpp

Ogg completed further
---
 lib/Makefile.am |   4 +-
 lib/theora.cpp  | 100 ++++++++++++++++++++++++++++++++++++++++++++++++
 lib/theora.h    |  19 +++++++++
 3 files changed, 121 insertions(+), 2 deletions(-)
 create mode 100644 lib/theora.cpp
 create mode 100644 lib/theora.h

diff --git a/lib/Makefile.am b/lib/Makefile.am
index d0fb29e1..41c0c207 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1,5 +1,5 @@
 lib_LTLIBRARIES=libmist-1.0.la
-libmist_1_0_la_SOURCES=amf.h amf.cpp auth.h auth.cpp base64.h base64.cpp config.h config.cpp dtsc.h dtsc.cpp flv_tag.h flv_tag.cpp http_parser.h http_parser.cpp json.h json.cpp procs.h procs.cpp rtmpchunks.h rtmpchunks.cpp socket.h socket.cpp mp4.h mp4.cpp ftp.h ftp.cpp filesystem.h filesystem.cpp stream.h stream.cpp timing.h timing.cpp ts_packet.cpp ts_packet.h converter.cpp converter.h ogg.h ogg.cpp
+libmist_1_0_la_SOURCES=amf.h amf.cpp auth.h auth.cpp base64.h base64.cpp config.h config.cpp dtsc.h dtsc.cpp flv_tag.h flv_tag.cpp http_parser.h http_parser.cpp json.h json.cpp procs.h procs.cpp rtmpchunks.h rtmpchunks.cpp socket.h socket.cpp mp4.h mp4.cpp ftp.h ftp.cpp filesystem.h filesystem.cpp stream.h stream.cpp timing.h timing.cpp ts_packet.cpp ts_packet.h converter.cpp converter.h ogg.h ogg.cpp theora.cpp theora.h
 libmist_1_0_la_LDFLAGS = -version-info 5:1:2
 libmist_1_0_la_CPPFLAGS=$(DEPS_CFLAGS) $(global_CFLAGS)
 libmist_1_0_la_LIBADD=$(DEPS_LIBS) $(CLOCK_LIB)
@@ -8,4 +8,4 @@ pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = mist-1.0.pc
 
 library_includedir=$(includedir)/mist-1.0/mist
-library_include_HEADERS = amf.h auth.h base64.h config.h dtsc.h flv_tag.h http_parser.h json.h procs.h rtmpchunks.h socket.h mp4.h ftp.h filesystem.h stream.h timing.h nal.h ts_packet.h converter.h ogg.h
+library_include_HEADERS = amf.h auth.h base64.h config.h dtsc.h flv_tag.h http_parser.h json.h procs.h rtmpchunks.h socket.h mp4.h ftp.h filesystem.h stream.h timing.h nal.h ts_packet.h converter.h ogg.h theora.h
diff --git a/lib/theora.cpp b/lib/theora.cpp
new file mode 100644
index 00000000..2640033b
--- /dev/null
+++ b/lib/theora.cpp
@@ -0,0 +1,100 @@
+#include<theora.h>
+#include<stdlib.h>
+#include<string.h>
+#include <arpa/inet.h>
+
+namespace theora{
+  bool header::checkDataSize(unsigned int size){
+    if (size > datasize){
+      void* tmp = realloc(data,size);
+      if (tmp){
+        data = (char*)tmp;
+        datasize = size;
+        return true;
+      }else{
+        return false;
+      }
+    }else{
+      return true;
+    }
+  }
+  
+  /// Gets the 32 bits integer at the given index.
+  /// Attempts to resize the data pointer if the index is out of range.
+  /// Returns zero if resizing failed.
+  uint32_t header::getInt32(size_t index){
+    /*if (index + 3 >= datasize){
+      if ( !reserve(index, 0, 4)){
+        return 0;
+      }
+      setInt32(0, index);
+    }*/
+    uint32_t result;
+    memcpy((char*) &result, data + index, 4);
+    return ntohl(result);
+  }
+  
+  header::header(){
+    data = NULL;
+    datasize = 0;
+  }
+  
+  bool header::read(char* newData, unsigned int length){
+    if (length < 7){
+      return false;
+    }
+    if(memcmp(newData+1, "theora", 6)!=0){
+      return false;
+    }
+    switch(newData[0]){
+      case 0x80:
+        //if (length != 42) return false;
+        break;
+      case 0x81:
+        break;
+      case 0x82:
+        break;
+      default:
+        return false;
+        break;
+    };
+    if (checkDataSize(length)){
+      memcpy(data, newData, length);
+    }else{
+      return false;
+    }
+    return true;
+  }
+  
+  int header::getHeaderType(){
+    switch(data[0]){
+      case 0x80:
+        return 0;
+        break;
+      case 0x81:
+        return 1;
+        break;
+      case 0x82:
+        return 2;
+        break;
+      default:
+        return -1;
+        break;
+    };
+  }
+  
+  long unsigned int header::getFRN(){
+    if (getHeaderType() == 0){
+      return getInt32(22);
+    }
+    return 0;
+  }
+  
+  long unsigned int header::getFRD(){
+    if (getHeaderType() == 0){
+      return getInt32(26);
+    }
+    return 0;
+  }
+
+}
diff --git a/lib/theora.h b/lib/theora.h
new file mode 100644
index 00000000..bd472ece
--- /dev/null
+++ b/lib/theora.h
@@ -0,0 +1,19 @@
+#include<sys/types.h>
+#include<stdint.h>
+
+namespace theora{
+  class header{
+    public:
+      header();
+      bool read(char* newData, unsigned int length);
+      int getHeaderType();
+      long unsigned int getFRN();
+      long unsigned int getFRD();
+    protected:
+      uint32_t getInt32(size_t index);
+    private:
+      char* data;
+      unsigned int datasize;
+      bool checkDataSize(unsigned int size);
+  };
+}