added simple depacketizer and test h264 file

Limelight-iOS/Video/VideoDepacketizer.h

@@ -0,0 +1,19 @@
+//
+//  VideoDepacketizer.h
+//  Limelight-iOS
+//
+//  Created by Diego Waxemberg on 1/18/14.
+//  Copyright (c) 2014 Diego Waxemberg. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "VideoDecoder.h"
+
+@interface VideoDepacketizer : NSObject <NSStreamDelegate>
+@property uint8_t* byteBuffer;
+@property unsigned int offset;
+@property VideoDecoder* decoder;
+
+- (void) readFile:(NSString*) file;
+
+@end

Limelight-iOS/Video/VideoDepacketizer.m

@@ -0,0 +1,89 @@
+//
+//  VideoDepacketizer.m
+//  Limelight-iOS
+//
+//  Created by Diego Waxemberg on 1/18/14.
+//  Copyright (c) 2014 Diego Waxemberg. All rights reserved.
+//
+
+#import "VideoDepacketizer.h"
+
+@implementation VideoDepacketizer
+static int BUFFER_LENGTH = 131072;
+
+- (void) readFile:(NSString*) file
+{
+    NSLog(@"Allocating input stream\n");
+    NSInputStream* inStream = [[NSInputStream alloc] initWithFileAtPath:file];
+    NSLog(@"Allocating byteBuffer");
+    self.byteBuffer = malloc(BUFFER_LENGTH);
+    NSLog(@"byte pointer: %p", self.byteBuffer);
+    [inStream setDelegate:self];
+    
+    NSLog(@"Allocating decoder");
+    self.decoder = [[VideoDecoder alloc]init];
+    NSLog(@"old self pointer: %p", self);
+    
+    [inStream open];
+    while ([inStream streamStatus] != NSStreamStatusOpen) {
+        NSLog(@"stream status: %d", [inStream streamStatus]);
+        sleep(1);
+    }
+    while ([inStream streamStatus] != NSStreamStatusAtEnd)
+    {
+    unsigned int len = 0;
+    NSLog(@"Reading File\n");
+    NSLog(@"stream pointer: %p", inStream);
+    NSLog(@"self pointer: %p", self);
+    NSLog(@"byte buffer pointer: %p", self.byteBuffer);
+    len = [(NSInputStream *)inStream read:self.byteBuffer maxLength:BUFFER_LENGTH];
+    if (len)
+    {
+        NSLog(@"len: %u\n", len);
+        BOOL firstStart = false;
+        for (int i = 0; i < len - 4; i++) {
+            if (self.byteBuffer[i] == 0 && self.byteBuffer[i+1] == 0
+                && self.byteBuffer[i+2] == 0 && self.byteBuffer[i+3] == 1)
+            {
+                NSLog(@"i: %d", i);
+                self.offset++;
+                if (firstStart)
+                {
+                    // decode the first i-1 bytes
+                    [self.decoder decode:self.byteBuffer length:i-1];
+                    [inStream setProperty:[[NSNumber alloc] initWithInt:self.offset-4] forKey:NSStreamFileCurrentOffsetKey];
+                    self.offset -= 4;
+                } else
+                {
+                    firstStart = true;
+                }
+            }
+        }
+    }
+    else
+    {
+        NSLog(@"No Buffer!");
+    }
+    }
+
+    
+}
+
+- (void)stream:(NSStream *)stream handleEvent:(NSStreamEvent)eventCode
+{
+    switch (eventCode)
+    {
+        case NSStreamEventHasBytesAvailable:
+        {
+                        break;
+        }
+        default:
+        {
+            NSLog(@"eventCode: %u", eventCode);
+        }
+
+    }
+}
+
+
+@end