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/*
* RTP muxer definitions
* Copyright ( c ) 2002 Fabrice Bellard
*
* 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_RTPENC_H
# define AVFORMAT_RTPENC_H
# include "avformat.h"
# include "rtp.h"
struct RTPMuxContext {
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const AVClass * av_class ;
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AVFormatContext * ic ;
AVStream * st ;
int payload_type ;
uint32_t ssrc ;
uint16_t seq ;
uint32_t timestamp ;
uint32_t base_timestamp ;
uint32_t cur_timestamp ;
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int max_packet_size ;
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int max_payload_size ;
int num_frames ;
/* rtcp sender statistics receive */
int64_t last_rtcp_ntp_time ; // TODO: move into statistics
int64_t first_rtcp_ntp_time ; // TODO: move into statistics
/* rtcp sender statistics */
unsigned int packet_count ; // TODO: move into statistics (outgoing)
unsigned int octet_count ; // TODO: move into statistics (outgoing)
unsigned int last_octet_count ; // TODO: move into statistics (outgoing)
int first_packet ;
/* buffer for output */
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uint8_t * buf ;
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uint8_t * buf_ptr ;
int max_frames_per_packet ;
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/**
* Number of bytes used for H .264 NAL length , if the MP4 syntax is used
* ( 1 , 2 or 4 )
*/
int nal_length_size ;
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int flags ;
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} ;
typedef struct RTPMuxContext RTPMuxContext ;
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# define FF_RTP_FLAG_MP4A_LATM 1
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# define FF_RTP_FLAG_RFC2190 2
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# define FF_RTP_FLAG_SKIP_RTCP 4
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# define FF_RTP_FLAG_OPTS(ctx, fieldname) \
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{ " rtpflags " , " RTP muxer flags " , offsetof ( ctx , fieldname ) , AV_OPT_TYPE_FLAGS , { . dbl = 0 } , INT_MIN , INT_MAX , AV_OPT_FLAG_ENCODING_PARAM , " rtpflags " } , \
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{ " latm " , " Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC " , 0 , AV_OPT_TYPE_CONST , { . dbl = FF_RTP_FLAG_MP4A_LATM } , INT_MIN , INT_MAX , AV_OPT_FLAG_ENCODING_PARAM , " rtpflags " } , \
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{ " rfc2190 " , " Use RFC 2190 packetization instead of RFC 4629 for H.263 " , 0 , AV_OPT_TYPE_CONST , { . dbl = FF_RTP_FLAG_RFC2190 } , INT_MIN , INT_MAX , AV_OPT_FLAG_ENCODING_PARAM , " rtpflags " } , \
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{ " skip_rtcp " , " Don't send RTCP sender reports " , 0 , AV_OPT_TYPE_CONST , { . dbl = FF_RTP_FLAG_SKIP_RTCP } , INT_MIN , INT_MAX , AV_OPT_FLAG_ENCODING_PARAM , " rtpflags " } , \
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void ff_rtp_send_data ( AVFormatContext * s1 , const uint8_t * buf1 , int len , int m ) ;
void ff_rtp_send_h264 ( AVFormatContext * s1 , const uint8_t * buf1 , int size ) ;
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void ff_rtp_send_h263 ( AVFormatContext * s1 , const uint8_t * buf1 , int size ) ;
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void ff_rtp_send_h263_rfc2190 ( AVFormatContext * s1 , const uint8_t * buf1 , int size ,
const uint8_t * mb_info , int mb_info_size ) ;
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void ff_rtp_send_aac ( AVFormatContext * s1 , const uint8_t * buff , int size ) ;
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void ff_rtp_send_latm ( AVFormatContext * s1 , const uint8_t * buff , int size ) ;
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void ff_rtp_send_amr ( AVFormatContext * s1 , const uint8_t * buff , int size ) ;
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void ff_rtp_send_mpegvideo ( AVFormatContext * s1 , const uint8_t * buf1 , int size ) ;
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void ff_rtp_send_xiph ( AVFormatContext * s1 , const uint8_t * buff , int size ) ;
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void ff_rtp_send_vp8 ( AVFormatContext * s1 , const uint8_t * buff , int size ) ;
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const uint8_t * ff_h263_find_resync_marker_reverse ( const uint8_t * restrict start ,
const uint8_t * restrict end ) ;
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# endif /* AVFORMAT_RTPENC_H */