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ffmpeg / libavformat / rtsp.h @ b973f9ad

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/*
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 * RTSP definitions
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 * Copyright (c) 2002 Fabrice Bellard.
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#ifndef FFMPEG_RTSP_H
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#define FFMPEG_RTSP_H
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#include <stdint.h>
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#include "avformat.h"
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#include "rtspcodes.h"
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enum RTSPProtocol {
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    RTSP_PROTOCOL_RTP_UDP = 0,
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    RTSP_PROTOCOL_RTP_TCP = 1,
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    RTSP_PROTOCOL_RTP_UDP_MULTICAST = 2,
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};
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#define RTSP_DEFAULT_PORT   554
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#define RTSP_MAX_TRANSPORTS 8
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#define RTSP_TCP_MAX_PACKET_SIZE 1472
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#define RTSP_DEFAULT_NB_AUDIO_CHANNELS 2
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#define RTSP_DEFAULT_AUDIO_SAMPLERATE 44100
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#define RTSP_RTP_PORT_MIN 5000
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#define RTSP_RTP_PORT_MAX 10000
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typedef struct RTSPTransportField {
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    int interleaved_min, interleaved_max;  /**< interleave ids, if TCP transport */
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    int port_min, port_max; /**< RTP ports */
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    int client_port_min, client_port_max; /**< RTP ports */
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    int server_port_min, server_port_max; /**< RTP ports */
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    int ttl; /**< ttl value */
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    uint32_t destination; /**< destination IP address */
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    enum RTSPProtocol protocol;
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} RTSPTransportField;
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typedef struct RTSPHeader {
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    int content_length;
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    enum RTSPStatusCode status_code; /**< response code from server */
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    int nb_transports;
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    /** in AV_TIME_BASE unit, AV_NOPTS_VALUE if not used */
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    int64_t range_start, range_end;
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    RTSPTransportField transports[RTSP_MAX_TRANSPORTS];
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    int seq; /**< sequence number */
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    char session_id[512];
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} RTSPHeader;
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/** the callback can be used to extend the connection setup/teardown step */
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enum RTSPCallbackAction {
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    RTSP_ACTION_SERVER_SETUP,
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    RTSP_ACTION_SERVER_TEARDOWN,
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    RTSP_ACTION_CLIENT_SETUP,
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    RTSP_ACTION_CLIENT_TEARDOWN,
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};
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typedef struct RTSPActionServerSetup {
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    uint32_t ipaddr;
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    char transport_option[512];
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} RTSPActionServerSetup;
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typedef int FFRTSPCallback(enum RTSPCallbackAction action,
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                           const char *session_id,
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                           char *buf, int buf_size,
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                           void *arg);
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int rtsp_init(void);
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void rtsp_parse_line(RTSPHeader *reply, const char *buf);
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#if LIBAVFORMAT_VERSION_INT < (53 << 16)
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extern int rtsp_default_protocols;
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#endif
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extern int rtsp_rtp_port_min;
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extern int rtsp_rtp_port_max;
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int rtsp_pause(AVFormatContext *s);
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int rtsp_resume(AVFormatContext *s);
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#endif /* FFMPEG_RTSP_H */