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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 "libavcodec/bytestream.h"
#include "internal.h"
#include "rtpdec.h"
#include "rtpdec_formats.h"

Go to the source code of this file.

Data Structures

struct  PayloadContext
 RTP/JPEG specific private data. More...
 

Functions

static PayloadContextxiph_new_context (void)
 
static void free_fragment_if_needed (PayloadContext *data)
 
static void xiph_free_context (PayloadContext *data)
 
static av_cold int xiph_vorbis_init (AVFormatContext *ctx, int st_index, 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 (const uint8_t *packed_headers, const uint8_t *packed_headers_end, AVCodecContext *codec, PayloadContext *xiph_data)
 Based off parse_packed_headers in Vorbis RTP.
 
static int xiph_parse_fmtp_pair (AVStream *stream, PayloadContext *xiph_data, char *attr, char *value)
 
static int xiph_parse_sdp_line (AVFormatContext *s, int st_index, PayloadContext *data, const char *line)
 

Variables

RTPDynamicProtocolHandler ff_theora_dynamic_handler
 
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

static PayloadContext* xiph_new_context ( void  )
static

Definition at line 52 of file rtpdec_xiph.c.

static void free_fragment_if_needed ( PayloadContext data)
inlinestatic

Definition at line 57 of file rtpdec_xiph.c.

Referenced by xiph_free_context(), and xiph_handle_packet().

static void xiph_free_context ( PayloadContext data)
static

Definition at line 67 of file rtpdec_xiph.c.

static av_cold int xiph_vorbis_init ( AVFormatContext ctx,
int  st_index,
PayloadContext data 
)
static

Definition at line 74 of file rtpdec_xiph.c.

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 84 of file rtpdec_xiph.c.

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 231 of file rtpdec_xiph.c.

Referenced by parse_packed_headers().

static int parse_packed_headers ( const uint8_t packed_headers,
const uint8_t packed_headers_end,
AVCodecContext codec,
PayloadContext xiph_data 
)
static

Based off parse_packed_headers in Vorbis RTP.

Definition at line 249 of file rtpdec_xiph.c.

Referenced by xiph_parse_fmtp_pair().

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

Definition at line 309 of file rtpdec_xiph.c.

Referenced by xiph_parse_sdp_line().

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

Definition at line 376 of file rtpdec_xiph.c.

Variable Documentation

RTPDynamicProtocolHandler ff_theora_dynamic_handler
Initial value:
= {
.enc_name = "theora",
.codec_type = AVMEDIA_TYPE_VIDEO,
.codec_id = AV_CODEC_ID_THEORA,
.parse_sdp_a_line = xiph_parse_sdp_line,
.alloc = xiph_new_context,
.parse_packet = xiph_handle_packet
}

Definition at line 392 of file rtpdec_xiph.c.

Referenced by ff_register_rtp_dynamic_payload_handlers().

RTPDynamicProtocolHandler ff_vorbis_dynamic_handler
Initial value:
= {
.enc_name = "vorbis",
.codec_type = AVMEDIA_TYPE_AUDIO,
.codec_id = AV_CODEC_ID_VORBIS,
.parse_sdp_a_line = xiph_parse_sdp_line,
.alloc = xiph_new_context,
.parse_packet = xiph_handle_packet
}

Definition at line 402 of file rtpdec_xiph.c.

Referenced by ff_register_rtp_dynamic_payload_handlers().