ffmpeg/libavformat/protocols.c

227 lines
5.8 KiB
C

/*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "libavutil/avstring.h"
#include "libavutil/mem.h"
#include "url.h"
extern const URLProtocol ff_concat_protocol;
extern const URLProtocol ff_crypto_protocol;
extern const URLProtocol ff_ffrtmpcrypt_protocol;
extern const URLProtocol ff_ffrtmphttp_protocol;
extern const URLProtocol ff_file_protocol;
extern const URLProtocol ff_gopher_protocol;
extern const URLProtocol ff_hls_protocol;
extern const URLProtocol ff_http_protocol;
extern const URLProtocol ff_httpproxy_protocol;
extern const URLProtocol ff_https_protocol;
extern const URLProtocol ff_icecast_protocol;
extern const URLProtocol ff_mmsh_protocol;
extern const URLProtocol ff_mmst_protocol;
extern const URLProtocol ff_md5_protocol;
extern const URLProtocol ff_pipe_protocol;
extern const URLProtocol ff_rtmp_protocol;
extern const URLProtocol ff_rtmpe_protocol;
extern const URLProtocol ff_rtmps_protocol;
extern const URLProtocol ff_rtmpt_protocol;
extern const URLProtocol ff_rtmpte_protocol;
extern const URLProtocol ff_rtmpts_protocol;
extern const URLProtocol ff_rtp_protocol;
extern const URLProtocol ff_sctp_protocol;
extern const URLProtocol ff_srtp_protocol;
extern const URLProtocol ff_tcp_protocol;
extern const URLProtocol ff_tls_gnutls_protocol;
extern const URLProtocol ff_tls_openssl_protocol;
extern const URLProtocol ff_udp_protocol;
extern const URLProtocol ff_unix_protocol;
extern const URLProtocol ff_librtmp_protocol;
extern const URLProtocol ff_librtmpe_protocol;
extern const URLProtocol ff_librtmps_protocol;
extern const URLProtocol ff_librtmpt_protocol;
extern const URLProtocol ff_librtmpte_protocol;
static const URLProtocol *url_protocols[] = {
#if CONFIG_CONCAT_PROTOCOL
&ff_concat_protocol,
#endif
#if CONFIG_CRYPTO_PROTOCOL
&ff_crypto_protocol,
#endif
#if CONFIG_FFRTMPCRYPT_PROTOCOL
&ff_ffrtmpcrypt_protocol,
#endif
#if CONFIG_FFRTMPHTTP_PROTOCOL
&ff_ffrtmphttp_protocol,
#endif
#if CONFIG_FILE_PROTOCOL
&ff_file_protocol,
#endif
#if CONFIG_GOPHER_PROTOCOL
&ff_gopher_protocol,
#endif
#if CONFIG_HLS_PROTOCOL
&ff_hls_protocol,
#endif
#if CONFIG_HTTP_PROTOCOL
&ff_http_protocol,
#endif
#if CONFIG_HTTPPROXY_PROTOCOL
&ff_httpproxy_protocol,
#endif
#if CONFIG_HTTPS_PROTOCOL
&ff_https_protocol,
#endif
#if CONFIG_ICECAST_PROTOCOL
&ff_icecast_protocol,
#endif
#if CONFIG_MMSH_PROTOCOL
&ff_mmsh_protocol,
#endif
#if CONFIG_MMST_PROTOCOL
&ff_mmst_protocol,
#endif
#if CONFIG_MD5_PROTOCOL
&ff_md5_protocol,
#endif
#if CONFIG_PIPE_PROTOCOL
&ff_pipe_protocol,
#endif
#if CONFIG_RTMP_PROTOCOL
&ff_rtmp_protocol,
#endif
#if CONFIG_RTMPE_PROTOCOL
&ff_rtmpe_protocol,
#endif
#if CONFIG_RTMPS_PROTOCOL
&ff_rtmps_protocol,
#endif
#if CONFIG_RTMPT_PROTOCOL
&ff_rtmpt_protocol,
#endif
#if CONFIG_RTMPTE_PROTOCOL
&ff_rtmpte_protocol,
#endif
#if CONFIG_RTMPTS_PROTOCOL
&ff_rtmpts_protocol,
#endif
#if CONFIG_RTP_PROTOCOL
&ff_rtp_protocol,
#endif
#if CONFIG_SCTP_PROTOCOL
&ff_sctp_protocol,
#endif
#if CONFIG_SRTP_PROTOCOL
&ff_srtp_protocol,
#endif
#if CONFIG_TCP_PROTOCOL
&ff_tcp_protocol,
#endif
#if CONFIG_TLS_GNUTLS_PROTOCOL
&ff_tls_gnutls_protocol,
#endif
#if CONFIG_TLS_OPENSSL_PROTOCOL
&ff_tls_openssl_protocol,
#endif
#if CONFIG_UDP_PROTOCOL
&ff_udp_protocol,
#endif
#if CONFIG_UNIX_PROTOCOL
&ff_unix_protocol,
#endif
/* external libraries */
#if CONFIG_LIBRTMP_PROTOCOL
&ff_librtmp_protocol,
#endif
#if CONFIG_LIBRTMPE_PROTOCOL
&ff_librtmpe_protocol,
#endif
#if CONFIG_LIBRTMPS_PROTOCOL
&ff_librtmps_protocol,
#endif
#if CONFIG_LIBRTMPT_PROTOCOL
&ff_librtmpt_protocol,
#endif
#if CONFIG_LIBRTMPTE_PROTOCOL
&ff_librtmpte_protocol,
#endif
NULL,
};
const AVClass *ff_urlcontext_child_class_next(const AVClass *prev)
{
int i;
/* find the protocol that corresponds to prev */
for (i = 0; url_protocols[i]; i++) {
if (url_protocols[i]->priv_data_class == prev) {
i++;
break;
}
}
/* find next protocol with priv options */
for (; url_protocols[i]; i++)
if (url_protocols[i]->priv_data_class)
return url_protocols[i]->priv_data_class;
return NULL;
}
const char *avio_enum_protocols(void **opaque, int output)
{
const URLProtocol **p = *opaque;
p = p ? p + 1 : url_protocols;
*opaque = p;
if (!*p) {
*opaque = NULL;
return NULL;
}
if ((output && (*p)->url_write) || (!output && (*p)->url_read))
return (*p)->name;
return avio_enum_protocols(opaque, output);
}
const URLProtocol **ffurl_get_protocols(const char *whitelist,
const char *blacklist)
{
const URLProtocol **ret;
int i, ret_idx = 0;
ret = av_mallocz_array(FF_ARRAY_ELEMS(url_protocols), sizeof(*ret));
if (!ret)
return NULL;
for (i = 0; url_protocols[i]; i++) {
const URLProtocol *up = url_protocols[i];
if (whitelist && *whitelist && !av_match_name(up->name, whitelist))
continue;
if (blacklist && *blacklist && av_match_name(up->name, blacklist))
continue;
ret[ret_idx++] = up;
}
return ret;
}