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Diffstat (limited to 'libavformat/rtp_internal.h')
| -rw-r--r-- | libavformat/rtp_internal.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/libavformat/rtp_internal.h b/libavformat/rtp_internal.h new file mode 100644 index 0000000000..f8b0202df4 --- /dev/null +++ b/libavformat/rtp_internal.h @@ -0,0 +1,86 @@ +/* + * RTP definitions + * Copyright (c) 2006 Ryan Martell <rdm4@martellventures.com> + * + * This library 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 of the License, or (at your option) any later version. + * + * This library 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 this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +// this is a bit of a misnomer, because rtp & rtsp internal structures and prototypes are in here. +#ifndef RTP_INTERNAL_H +#define RTP_INTERNAL_H + +typedef int (*DynamicPayloadPacketHandlerProc) (struct RTPDemuxContext * s, + AVPacket * pkt, + uint32_t timestamp, + const uint8_t * buf, + int len); + +typedef struct RTPDynamicProtocolHandler_s { + // fields from AVRtpDynamicPayloadType_s + const char enc_name[50]; /* XXX: still why 50 ? ;-) */ + enum CodecType codec_type; + enum CodecID codec_id; + + // may be null + int (*parse_sdp_a_line) (AVStream * stream, + void *protocol_data, + const char *line); ///< Parse the a= line from the sdp field + void *(*open) (); ///< allocate any data needed by the rtp parsing for this dynamic data. + void (*close)(void *protocol_data); ///< free any data needed by the rtp parsing for this dynamic data. + DynamicPayloadPacketHandlerProc parse_packet; ///< parse handler for this dynamic packet. + + struct RTPDynamicProtocolHandler_s *next; +} RTPDynamicProtocolHandler; + +// moved out of rtp.c, because the h264 decoder needs to know about this structure.. +struct RTPDemuxContext { + AVFormatContext *ic; + AVStream *st; + int payload_type; + uint32_t ssrc; + uint16_t seq; + uint32_t timestamp; + uint32_t base_timestamp; + uint32_t cur_timestamp; + int max_payload_size; + struct MpegTSContext *ts; /* only used for MP2T payloads */ + int read_buf_index; + int read_buf_size; + + /* rtcp sender statistics receive */ + int64_t last_rtcp_ntp_time; // TODO: move into statistics + int64_t first_rtcp_ntp_time; // TODO: move into statistics + uint32_t last_rtcp_timestamp; // 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 */ + uint8_t buf[RTP_MAX_PACKET_LENGTH]; + uint8_t *buf_ptr; + + /* special infos for au headers parsing */ + rtp_payload_data_t *rtp_payload_data; // TODO: Move into dynamic payload handlers + + /* dynamic payload stuff */ + DynamicPayloadPacketHandlerProc parse_packet; ///< This is also copied from the dynamic protocol handler structure + void *dynamic_protocol_context; ///< This is a copy from the values setup from the sdp parsing, in rtsp.c don't free me. +}; + +extern RTPDynamicProtocolHandler *RTPFirstDynamicPayloadHandler; +#endif /* RTP_INTERNAL_H */ + |