rtpdec_amr.c File Reference

#include "libavutil/channel_layout.h"
#include "avformat.h"
#include "rtpdec_formats.h"
#include "libavutil/avstring.h"

Include dependency graph for rtpdec_amr.c:

Go to the source code of this file.

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

Functions
static PayloadContext *	amr_new_context (void)
static void	amr_free_context (PayloadContext *data)
static int	amr_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	amr_parse_fmtp (AVStream *stream, PayloadContext *data, char *attr, char *value)
static int	amr_parse_sdp_line (AVFormatContext *s, int st_index, PayloadContext *data, const char *line)

Variables
static const uint8_t	frame_sizes_nb [16]
static const uint8_t	frame_sizes_wb [16]
RTPDynamicProtocolHandler	ff_amr_nb_dynamic_handler
RTPDynamicProtocolHandler	ff_amr_wb_dynamic_handler

Function Documentation

static void amr_free_context ( PayloadContext *  data )

static

Definition at line 49 of file rtpdec_amr.c.

static int amr_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 54 of file rtpdec_amr.c.

static PayloadContext* amr_new_context ( void  )

static

Definition at line 41 of file rtpdec_amr.c.

static int amr_parse_fmtp ( AVStream *  stream, PayloadContext *  data, char *  attr, char *  value  )

static

Definition at line 142 of file rtpdec_amr.c.

Referenced by amr_parse_sdp_line().

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

static

Definition at line 165 of file rtpdec_amr.c.

Variable Documentation

RTPDynamicProtocolHandler ff_amr_nb_dynamic_handler

Initial value:

= {
    .enc_name         = "AMR",
    .codec_type       = AVMEDIA_TYPE_AUDIO,
    .codec_id         = AV_CODEC_ID_AMR_NB,
    .parse_sdp_a_line = amr_parse_sdp_line,
    .alloc            = amr_new_context,
    .free             = amr_free_context,
    .parse_packet     = amr_handle_packet,
}

Definition at line 191 of file rtpdec_amr.c.

Referenced by av_register_rtp_dynamic_payload_handlers().

RTPDynamicProtocolHandler ff_amr_wb_dynamic_handler

Initial value:

= {
    .enc_name         = "AMR-WB",
    .codec_type       = AVMEDIA_TYPE_AUDIO,
    .codec_id         = AV_CODEC_ID_AMR_WB,
    .parse_sdp_a_line = amr_parse_sdp_line,
    .alloc            = amr_new_context,
    .free             = amr_free_context,
    .parse_packet     = amr_handle_packet,
}

Definition at line 201 of file rtpdec_amr.c.

Referenced by av_register_rtp_dynamic_payload_handlers().

const uint8_t frame_sizes_nb[16]

static

Initial value:

= {
    12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0
}

Definition at line 27 of file rtpdec_amr.c.

Referenced by amr_handle_packet().

const uint8_t frame_sizes_wb[16]

static

Initial value:

= {
    17, 23, 32, 36, 40, 46, 50, 58, 60, 5, 5, 0, 0, 0, 0, 0
}

Definition at line 30 of file rtpdec_amr.c.

Referenced by amr_handle_packet().