libavformat/rtpdec_amr.c File Reference

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

Go to the source code of this file.

Data Structures
struct	PayloadContext
	Structure listing useful vars to parse RTP packet payload. 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, 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 48 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,
		int	flags
	)			[static]

Definition at line 53 of file rtpdec_amr.c.

static PayloadContext* amr_new_context

(

void

)

[static]

Definition at line 40 of file rtpdec_amr.c.

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

Definition at line 143 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 166 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         = 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 192 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         = 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 202 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 26 of file rtpdec_amr.c.

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 29 of file rtpdec_amr.c.

Referenced by amr_handle_packet().