rtpdec_xiph.c File Reference

Xiph / RTP Code. More...

#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/base64.h"
#include "libavutil/mem.h"
#include "libavcodec/bytestream.h"
#include "avio_internal.h"
#include "internal.h"
#include "rtpdec.h"
#include "rtpdec_formats.h"

Go to the source code of this file.

Data Structures
struct	PayloadContext
	RTP/AV1 specific private data. More...

Functions
static void	xiph_close_context (PayloadContext *data)
static int	xiph_handle_packet (AVFormatContext *ctx, PayloadContext *data, AVStream *st, AVPacket *pkt, uint32_t *timestamp, const uint8_t *buf, int len, uint16_t seq, int flags)
static int	get_base128 (const uint8_t **buf, const uint8_t *buf_end)
	Length encoding described in RFC5215 section 3.1.1.
static int	parse_packed_headers (AVFormatContext *s, const uint8_t *packed_headers, const uint8_t *packed_headers_end, AVCodecParameters *par, PayloadContext *xiph_data)
	Based off parse_packed_headers in Vorbis RTP.
static int	xiph_parse_fmtp_pair (AVFormatContext *s, AVStream *stream, PayloadContext *xiph_data, const char *attr, const char *value)
static int	xiph_parse_sdp_line (AVFormatContext *s, int st_index, PayloadContext *data, const char *line)

Variables
const RTPDynamicProtocolHandler	ff_theora_dynamic_handler
const RTPDynamicProtocolHandler	ff_vorbis_dynamic_handler

Detailed Description

Xiph / RTP Code.

Author

Colin McQuillan m.nil.nosp@m.oc@g.nosp@m.mail..nosp@m.com

Josh Allmann joshu.nosp@m.a.al.nosp@m.lmann.nosp@m.@gma.nosp@m.il.co.nosp@m.m

Definition in file rtpdec_xiph.c.

Function Documentation

xiph_close_context()

static void xiph_close_context ( PayloadContext * data )

static

Definition at line 54 of file rtpdec_xiph.c.

xiph_handle_packet()

static int xiph_handle_packet ( AVFormatContext * ctx, PayloadContext * data, AVStream * st, AVPacket * pkt, uint32_t * timestamp, const uint8_t * buf, int len, uint16_t seq, int flags )

static

Definition at line 61 of file rtpdec_xiph.c.

get_base128()

static int get_base128 ( const uint8_t ** buf, const uint8_t * buf_end )

static

Length encoding described in RFC5215 section 3.1.1.

Definition at line 207 of file rtpdec_xiph.c.

Referenced by parse_packed_headers().

parse_packed_headers()

static int parse_packed_headers ( AVFormatContext * s, const uint8_t * packed_headers, const uint8_t * packed_headers_end, AVCodecParameters * par, PayloadContext * xiph_data )

static

Based off parse_packed_headers in Vorbis RTP.

Definition at line 225 of file rtpdec_xiph.c.

Referenced by xiph_parse_fmtp_pair().

xiph_parse_fmtp_pair()

static int xiph_parse_fmtp_pair ( AVFormatContext * s, AVStream * stream, PayloadContext * xiph_data, const char * attr, const char * value )

static

Definition at line 286 of file rtpdec_xiph.c.

Referenced by xiph_parse_sdp_line().

xiph_parse_sdp_line()

static int xiph_parse_sdp_line ( AVFormatContext * s, int st_index, PayloadContext * data, const char * line )

static

Definition at line 354 of file rtpdec_xiph.c.

Variable Documentation

ff_theora_dynamic_handler

const RTPDynamicProtocolHandler ff_theora_dynamic_handler

Initial value:

= {
    .enc_name         = "theora",
    .codec_type       = AVMEDIA_TYPE_VIDEO,
    .codec_id         = AV_CODEC_ID_THEORA,
    .priv_data_size   = sizeof(PayloadContext),
    .parse_sdp_a_line = xiph_parse_sdp_line,
    .close            = xiph_close_context,
    .parse_packet     = xiph_handle_packet,
}

Definition at line 370 of file rtpdec_xiph.c.

ff_vorbis_dynamic_handler

const RTPDynamicProtocolHandler ff_vorbis_dynamic_handler

Initial value:

= {
    .enc_name         = "vorbis",
    .codec_type       = AVMEDIA_TYPE_AUDIO,
    .codec_id         = AV_CODEC_ID_VORBIS,
    .need_parsing     = AVSTREAM_PARSE_HEADERS,
    .priv_data_size   = sizeof(PayloadContext),
    .parse_sdp_a_line = xiph_parse_sdp_line,
    .close            = xiph_close_context,
    .parse_packet     = xiph_handle_packet,
}

Definition at line 380 of file rtpdec_xiph.c.