cog/Plugins/HTTPSource/HTTPSource.h

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//
// HTTPSource.h
// HTTPSource
//
// Created by Vincent Spader on 3/1/07.
// Copyright 2007 __MyCompanyName__. All rights reserved.
//
#import <Cocoa/Cocoa.h>
#import "Plugin.h"
#include <curl/curl.h>
#define BUFFER_SIZE 0x10000
#define BUFFER_MASK 0xffff
#define MAX_METADATA 1024
#define TIMEOUT 10 // in seconds
enum {
STATUS_UNSTARTED = 0,
STATUS_INITIAL = 1,
STATUS_READING = 2,
STATUS_FINISHED = 3,
STATUS_ABORTED = 4,
STATUS_SEEK = 5,
};
@interface HTTPSource : NSObject <CogSource> {
NSURL *URL;
int64_t pos; // position in stream; use "& BUFFER_MASK" to make it index into ringbuffer
int64_t length;
int32_t remaining; // remaining bytes in buffer read from stream
int64_t skipbytes;
uint8_t buffer[BUFFER_SIZE];
NSLock *mutex;
uint8_t nheaderpackets;
NSString *content_type;
CURL *curl;
struct timeval last_read_time;
uint8_t status;
int icy_metaint;
int wait_meta;
char metadata[MAX_METADATA];
size_t metadata_size; // size of metadata in stream
size_t metadata_have_size; // amount which is already in metadata buffer
char http_err[CURL_ERROR_SIZE];
BOOL need_abort;
NSString *album;
NSString *artist;
NSString *title;
NSString *genre;
// flags (bitfields to save some space)
unsigned seektoend : 1; // indicates that next tell must return length
unsigned gotheader : 1; // tells that all headers (including ICY) were processed (to start reading body)
unsigned icyheader : 1; // tells that we're currently reading ICY headers
unsigned gotsomeheader : 1; // tells that we got some headers before body started
unsigned gotmetadata : 1; // got some metadata
}
- (BOOL)hasMetadata;
- (NSDictionary *)metadata;
@end