rtpdec_mpeg4.c File Reference

MPEG-4 / RTP Code. More...

#include "rtpdec_formats.h"
#include "internal.h"
#include "libavutil/attributes.h"
#include "libavutil/avstring.h"
#include "libavcodec/get_bits.h"

Go to the source code of this file.

Data Structures
struct	PayloadContext
	RTP/JPEG specific private data. More...
struct	PayloadContext::AUHeaders
	mpeg 4 AU headers More...
struct	AttrNameMap
struct	AttrNameMap::Range
	Range for integer values. More...

Macros
#define	MAX_AAC_HBR_FRAME_SIZE   8191
#define	ATTR_NAME_TYPE_INT   0
#define	ATTR_NAME_TYPE_STR   1

Functions
static void	close_context (PayloadContext *data)
static int	parse_fmtp_config (AVCodecParameters *par, const char *value)
static int	rtp_parse_mp4_au (PayloadContext *data, const uint8_t *buf, int len)
static int	aac_parse_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	parse_fmtp (AVFormatContext *s, AVStream *stream, PayloadContext *data, const char *attr, const char *value)
static int	parse_sdp_line (AVFormatContext *s, int st_index, PayloadContext *data, const char *line)

Variables
static const AttrNameMap	attr_names []
const RTPDynamicProtocolHandler	ff_mp4v_es_dynamic_handler
const RTPDynamicProtocolHandler	ff_mpeg4_generic_dynamic_handler

Detailed Description

MPEG-4 / RTP Code.

Author

Fabrice Bellard

Romain Degez

Definition in file rtpdec_mpeg4.c.

Macro Definition Documentation

MAX_AAC_HBR_FRAME_SIZE

#define MAX_AAC_HBR_FRAME_SIZE   8191

Definition at line 36 of file rtpdec_mpeg4.c.

ATTR_NAME_TYPE_INT

#define ATTR_NAME_TYPE_INT   0

Definition at line 82 of file rtpdec_mpeg4.c.

ATTR_NAME_TYPE_STR

#define ATTR_NAME_TYPE_STR   1

Definition at line 83 of file rtpdec_mpeg4.c.

Function Documentation

close_context()

static void close_context ( PayloadContext *  data )

static

Definition at line 106 of file rtpdec_mpeg4.c.

parse_fmtp_config()

static int parse_fmtp_config ( AVCodecParameters *  par, const char *  value  )

static

Definition at line 112 of file rtpdec_mpeg4.c.

Referenced by parse_fmtp().

rtp_parse_mp4_au()

static int rtp_parse_mp4_au ( PayloadContext *  data, const uint8_t *  buf, int  len  )

static

Definition at line 123 of file rtpdec_mpeg4.c.

Referenced by aac_parse_packet().

aac_parse_packet()

static int aac_parse_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 176 of file rtpdec_mpeg4.c.

parse_fmtp()

static int parse_fmtp ( AVFormatContext *  s, AVStream *  stream, PayloadContext *  data, const char *  attr, const char *  value  )

static

Definition at line 288 of file rtpdec_mpeg4.c.

Referenced by parse_sdp_line().

parse_sdp_line()

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

static

Definition at line 338 of file rtpdec_mpeg4.c.

Variable Documentation

attr_names

const AttrNameMap attr_names[]

static

Initial value:

= {
    { "SizeLength",       ATTR_NAME_TYPE_INT,
      0x42,
      {0, 32} }, 
    { "IndexLength",      ATTR_NAME_TYPE_INT,
      0x42,
      {0, 32} }, 
    { "IndexDeltaLength", ATTR_NAME_TYPE_INT,
      0x42,
      {0, 32} }, 
    { "profile-level-id", ATTR_NAME_TYPE_INT,
      0x42,
      {INT32_MIN, INT32_MAX} }, 
    { "StreamType",       ATTR_NAME_TYPE_INT,
      0x42,
      {0x00, 0x3F} }, 
    { "mode",             ATTR_NAME_TYPE_STR,
      0x42,
       {0} },
    { NULL, -1, -1, {0} },
}

Definition at line 84 of file rtpdec_mpeg4.c.

Referenced by parse_fmtp().

ff_mp4v_es_dynamic_handler

const RTPDynamicProtocolHandler ff_mp4v_es_dynamic_handler

Initial value:

= {
    .enc_name           = "MP4V-ES",
    .codec_type         = AVMEDIA_TYPE_VIDEO,
    .codec_id           = AV_CODEC_ID_MPEG4,
    .need_parsing       = AVSTREAM_PARSE_FULL,
    .priv_data_size     = sizeof(PayloadContext),
    .parse_sdp_a_line   = parse_sdp_line,
}

Definition at line 352 of file rtpdec_mpeg4.c.

ff_mpeg4_generic_dynamic_handler

const RTPDynamicProtocolHandler ff_mpeg4_generic_dynamic_handler

Initial value:

= {
    .enc_name           = "mpeg4-generic",
    .codec_type         = AVMEDIA_TYPE_AUDIO,
    .codec_id           = AV_CODEC_ID_AAC,
    .priv_data_size     = sizeof(PayloadContext),
    .parse_sdp_a_line   = parse_sdp_line,
    .close              = close_context,
    .parse_packet       = aac_parse_packet,
}

Definition at line 361 of file rtpdec_mpeg4.c.