FFmpeg/libavformat/http.h

/*
 * HTTP definitions
 * Copyright (c) 2010 Josh Allmann
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVFORMAT_HTTP_H
#define AVFORMAT_HTTP_H

#include "url.h"

#define HTTP_HEADERS_SIZE 4096

/**
 * Initialize the authentication state based on another HTTP URLContext.
 * This can be used to pre-initialize the authentication parameters if
 * they are known beforehand, to avoid having to do an initial failing
 * request just to get the parameters.
 *
 * @param dest URL context whose authentication state gets updated
 * @param src URL context whose authentication state gets copied
 */
void ff_http_init_auth_state(URLContext *dest, const URLContext *src);

/**
 * Get the HTTP shutdown response status, be used after http_shutdown.
 *
 * @param h pointer to the resource
 * @return a negative value if an error condition occurred, 0
 * otherwise
 */
int ff_http_get_shutdown_status(URLContext *h);

/**
 * Send a new HTTP request, reusing the old connection.
 *
 * @param h pointer to the resource
 * @param uri uri used to perform the request
 * @return a negative value if an error condition occurred, 0
 * otherwise
 */
int ff_http_do_new_request(URLContext *h, const char *uri);

/**
 * Send a new HTTP request, reusing the old connection.
 *
 * @param h pointer to the resource
 * @param uri uri used to perform the request
 * @param options  A dictionary filled with HTTP options. On return
 * this parameter will be destroyed and replaced with a dict containing options
 * that were not found. May be NULL.
 * @return a negative value if an error condition occurred, 0
 * otherwise
 */
int ff_http_do_new_request2(URLContext *h, const char *uri, AVDictionary **options);

int ff_http_averror(int status_code, int default_averror);

#endif /* AVFORMAT_HTTP_H */