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Merge rtp_internal.h in rtp.h, and remove rtp_internal.h

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Originally committed as revision 16817 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Abeni
2009-01-27 12:23:16 +00:00
parent 620b8a2ed7
commit 20631a9c15
12 changed files with 115 additions and 145 deletions
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105
libavformat/rtp.h
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@ -1,6 +1,7 @@
/*
* RTP definitions
* Copyright (c) 2002 Fabrice Bellard
* Copyright (c) 2006 Ryan Martell <rdm4@martellventures.com>
*
* This file is part of FFmpeg.
*
@ -89,4 +90,108 @@ int rtp_check_and_send_back_rr(RTPDemuxContext *s, int count);
#define RTCP_TX_RATIO_NUM 5
#define RTCP_TX_RATIO_DEN 1000
// these statistics are used for rtcp receiver reports...
typedef struct {
uint16_t max_seq; ///< highest sequence number seen
uint32_t cycles; ///< shifted count of sequence number cycles
uint32_t base_seq; ///< base sequence number
uint32_t bad_seq; ///< last bad sequence number + 1
int probation; ///< sequence packets till source is valid
int received; ///< packets received
int expected_prior; ///< packets expected in last interval
int received_prior; ///< packets received in last interval
uint32_t transit; ///< relative transit time for previous packet
uint32_t jitter; ///< estimated jitter.
} RTPStatistics;
/**
* Packet parsing for "private" payloads in the RTP specs.
*
* @param s stream context
* @param st stream that this packet belongs to
* @param pkt packet in which to write the parsed data
* @param timestamp pointer in which to write the timestamp of this RTP packet
* @param buf pointer to raw RTP packet data
* @param len length of buf
* @param flags flags from the RTP packet header (PKT_FLAG_*)
*/
typedef int (*DynamicPayloadPacketHandlerProc) (PayloadContext *s,
AVStream *st,
AVPacket * pkt,
uint32_t *timestamp,
const uint8_t * buf,
int len, int flags);
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) (AVFormatContext *s,
int st_index,
PayloadContext *priv_data,
const char *line); ///< Parse the a= line from the sdp field
PayloadContext *(*open) (); ///< allocate any data needed by the rtp parsing for this dynamic data.
void (*close)(PayloadContext *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;
};
// 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;
/* used to send back RTCP RR */
URLContext *rtp_ctx;
char hostname[256];
RTPStatistics statistics; ///< Statistics for this stream (used by RTCP receiver reports)
/* 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 */
RTPPayloadData *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
PayloadContext *dynamic_protocol_context; ///< This is a copy from the values setup from the sdp parsing, in rtsp.c don't free me.
int max_frames_per_packet;
};
extern RTPDynamicProtocolHandler *RTPFirstDynamicPayloadHandler;
void ff_register_dynamic_payload_handler(RTPDynamicProtocolHandler *handler);
int rtsp_next_attr_and_value(const char **p, char *attr, int attr_size, char *value, int value_size); ///< from rtsp.c, but used by rtp dynamic protocol handlers.
void ff_rtp_send_data(AVFormatContext *s1, const uint8_t *buf1, int len, int m);
const char *ff_rtp_enc_name(int payload_type);
enum CodecID ff_rtp_codec_id(const char *buf, enum CodecType codec_type);
void av_register_rtp_dynamic_payload_handlers(void);
#endif /* AVFORMAT_RTP_H */