amrnbdata.h File Reference

AMR narrowband data and definitions. More...

#include <stdint.h>
#include "libavutil/common.h"

Go to the source code of this file.

Classes
struct	AMRNBSubframe
	AMRNB unpacked data subframe. More...
struct	AMRNBFrame
	AMRNB unpacked data frame. More...

Macros
#define	AMR_SUBFRAME_SIZE   40
	samples per subframe
#define	LP_FILTER_ORDER   10
	linear predictive coding filter order
#define	AMR_BIT(field)   (offsetof(AMRNBFrame, field))
	The index of a frame parameter.
#define	AMR_OF(frame_num, variable)   AMR_BIT(subframe[frame_num].variable)
	The index of a subframe-specific parameter.

Typedefs
typedef struct AMRNBSubframe	AMRNBSubframe
	AMRNB unpacked data subframe.
typedef struct AMRNBFrame	AMRNBFrame
	AMRNB unpacked data frame.

Enumerations
enum	Mode {   MODE_4k75 = 0, MODE_5k15, MODE_5k9, MODE_6k7,   MODE_7k4, MODE_7k95, MODE_10k2, MODE_12k2,   MODE_DTX, N_MODES, NO_DATA = 15, MODE_6k60 = 0,   MODE_8k85, MODE_12k65, MODE_14k25, MODE_15k85,   MODE_18k25, MODE_19k85, MODE_23k05, MODE_23k85,   MODE_SID, SP_LOST = 14, NO_DATA }
	Frame type (Table 1a in 3GPP TS 26.101) More...

Detailed Description

AMR narrowband data and definitions.

Enumeration Type Documentation

Mode

enum Mode

Frame type (Table 1a in 3GPP TS 26.101)

Enumerator
MODE_4k75	4.75 kbit/s
MODE_5k15	5.15 kbit/s
MODE_5k9	5.90 kbit/s
MODE_6k7	6.70 kbit/s
MODE_7k4	7.40 kbit/s
MODE_7k95	7.95 kbit/s
MODE_10k2	10.2 kbit/s
MODE_12k2	12.2 kbit/s
MODE_DTX	silent frame
N_MODES	number of modes
NO_DATA	no transmission
MODE_6k60	6.60 kbit/s
MODE_8k85	8.85 kbit/s
MODE_12k65	12.65 kbit/s
MODE_14k25	14.25 kbit/s
MODE_15k85	15.85 kbit/s
MODE_18k25	18.25 kbit/s
MODE_19k85	19.85 kbit/s
MODE_23k05	23.05 kbit/s
MODE_23k85	23.85 kbit/s
MODE_SID	comfort noise frame
SP_LOST	speech lost
NO_DATA	no transmission