rtpdec_xiph.c File Reference

Xiph / RTP Code. More...

#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/base64.h"
#include "libavcodec/bytestream.h"
#include "rtpdec.h"
#include "rtpdec_formats.h"

Include dependency graph for rtpdec_xiph.c:

Go to the source code of this file.

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

Functions
static PayloadContext *	xiph_new_context (void)
static void	free_fragment_if_needed (PayloadContext *data)
static void	xiph_free_context (PayloadContext *data)
static 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. More...
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. More...
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 void free_fragment_if_needed ( PayloadContext *  data )

inlinestatic

Definition at line 55 of file rtpdec_xiph.c.

Referenced by xiph_free_context(), and xiph_handle_packet().

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 229 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 247 of file rtpdec_xiph.c.

Referenced by xiph_parse_fmtp_pair().

static void xiph_free_context ( PayloadContext *  data )

static

Definition at line 65 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 82 of file rtpdec_xiph.c.

static PayloadContext* xiph_new_context ( void  )

static

Definition at line 50 of file rtpdec_xiph.c.

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

static

Definition at line 307 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 374 of file rtpdec_xiph.c.

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

static

Definition at line 72 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,
    .free             = xiph_free_context,
    .parse_packet     = xiph_handle_packet
}

Definition at line 390 of file rtpdec_xiph.c.

Referenced by av_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,
    .init             = xiph_vorbis_init,
    .parse_sdp_a_line = xiph_parse_sdp_line,
    .alloc            = xiph_new_context,
    .free             = xiph_free_context,
    .parse_packet     = xiph_handle_packet
}

Definition at line 400 of file rtpdec_xiph.c.

Referenced by av_register_rtp_dynamic_payload_handlers().