MPF Codec Descriptor. More...

#include <apr_tables.h>
#include "apt_string.h"
#include "mpf.h"

Include dependency graph for mpf_codec_descriptor.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	mpf_codec_descriptor_t

struct	mpf_codec_list_t

struct	mpf_codec_attribs_t

struct	mpf_codec_capabilities_t

struct	mpf_codec_frame_t

Macros
#define	CODEC_FRAME_TIME_BASE 10

#define	BYTES_PER_SAMPLE 2

#define	BITS_PER_SAMPLE 16

Typedefs
typedef struct mpf_codec_descriptor_t	mpf_codec_descriptor_t

typedef struct mpf_codec_attribs_t	mpf_codec_attribs_t

typedef struct mpf_codec_list_t	mpf_codec_list_t

typedef struct mpf_codec_capabilities_t	mpf_codec_capabilities_t

typedef struct mpf_codec_frame_t	mpf_codec_frame_t

Enumerations
enum	mpf_sample_rates_e { MPF_SAMPLE_RATE_NONE = 0x00, MPF_SAMPLE_RATE_8000 = 0x01, MPF_SAMPLE_RATE_16000 = 0x02, MPF_SAMPLE_RATE_32000 = 0x04, MPF_SAMPLE_RATE_48000 = 0x08, MPF_SAMPLE_RATE_SUPPORTED }

Functions
mpf_codec_descriptor_t *	mpf_codec_lpcm_descriptor_create (apr_uint16_t sampling_rate, apr_byte_t channel_count, apr_pool_t *pool)

mpf_codec_descriptor_t *	mpf_codec_descriptor_create_by_capabilities (const mpf_codec_capabilities_t capabilities, const mpf_codec_descriptor_t peer, apr_pool_t *pool)

apt_bool_t	mpf_codec_descriptors_match (const mpf_codec_descriptor_t descriptor1, const mpf_codec_descriptor_t descriptor2)

apt_bool_t	mpf_codec_lpcm_descriptor_match (const mpf_codec_descriptor_t *descriptor)

apt_bool_t	mpf_codec_descriptor_match_by_attribs (mpf_codec_descriptor_t descriptor, const mpf_codec_descriptor_t static_descriptor, const mpf_codec_attribs_t *attribs)

apt_bool_t	mpf_codec_default_capabilities_add (mpf_codec_capabilities_t *capabilities)

mpf_codec_descriptor_t *	mpf_codec_list_descriptor_find (const mpf_codec_list_t codec_list, const mpf_codec_descriptor_t descriptor)

apt_bool_t	mpf_codec_list_match (mpf_codec_list_t codec_list, const mpf_codec_capabilities_t capabilities)

apt_bool_t	mpf_codec_lists_intersect (mpf_codec_list_t codec_list1, mpf_codec_list_t codec_list2)

apt_bool_t	mpf_codec_lists_compare (const mpf_codec_list_t codec_list1, const mpf_codec_list_t codec_list2)

int	mpf_sample_rate_mask_get (apr_uint16_t sampling_rate)

Detailed Description

MPF Codec Descriptor.

Macro Definition Documentation

◆ BITS_PER_SAMPLE

#define BITS_PER_SAMPLE 16

Bits per sample for linear pcm

◆ BYTES_PER_SAMPLE

#define BYTES_PER_SAMPLE 2

Bytes per sample for linear pcm

◆ CODEC_FRAME_TIME_BASE

#define CODEC_FRAME_TIME_BASE 10

Codec frame time base in msec

Typedef Documentation

◆ mpf_codec_attribs_t

typedef struct mpf_codec_attribs_t mpf_codec_attribs_t

Codec attributes declaration

◆ mpf_codec_capabilities_t

typedef struct mpf_codec_capabilities_t mpf_codec_capabilities_t

Codec capabilities declaration

◆ mpf_codec_descriptor_t

typedef struct mpf_codec_descriptor_t mpf_codec_descriptor_t

Codec descriptor declaration

◆ mpf_codec_frame_t

typedef struct mpf_codec_frame_t mpf_codec_frame_t

Codec frame declaration

◆ mpf_codec_list_t

typedef struct mpf_codec_list_t mpf_codec_list_t

Codec list declaration

Enumeration Type Documentation

◆ mpf_sample_rates_e

enum mpf_sample_rates_e

Supported sampling rates

Function Documentation

◆ mpf_codec_default_capabilities_add()

apt_bool_t mpf_codec_default_capabilities_add ( mpf_codec_capabilities_t * capabilities )

Add default (linear PCM) capabilities

◆ mpf_codec_descriptor_create_by_capabilities()

mpf_codec_descriptor_t* mpf_codec_descriptor_create_by_capabilities	(	const mpf_codec_capabilities_t *	capabilities,
		const mpf_codec_descriptor_t *	peer,
		apr_pool_t *	pool
	)

Create codec descriptor by capabilities

◆ mpf_codec_descriptor_match_by_attribs()

apt_bool_t mpf_codec_descriptor_match_by_attribs	(	mpf_codec_descriptor_t *	descriptor,
		const mpf_codec_descriptor_t *	static_descriptor,
		const mpf_codec_attribs_t *	attribs
	)

Match codec descriptor by attribs specified

◆ mpf_codec_descriptors_match()

apt_bool_t mpf_codec_descriptors_match	(	const mpf_codec_descriptor_t *	descriptor1,
		const mpf_codec_descriptor_t *	descriptor2
	)

Match two codec descriptors

◆ mpf_codec_list_descriptor_find()

mpf_codec_descriptor_t* mpf_codec_list_descriptor_find	(	const mpf_codec_list_t *	codec_list,
		const mpf_codec_descriptor_t *	descriptor
	)

Find matched descriptor in codec list

◆ mpf_codec_list_match()

apt_bool_t mpf_codec_list_match	(	mpf_codec_list_t *	codec_list,
		const mpf_codec_capabilities_t *	capabilities
	)

Match codec list with specified capabilities

◆ mpf_codec_lists_compare()

apt_bool_t mpf_codec_lists_compare	(	const mpf_codec_list_t *	codec_list1,
		const mpf_codec_list_t *	codec_list2
	)

Compare two codec lists

◆ mpf_codec_lists_intersect()

apt_bool_t mpf_codec_lists_intersect	(	mpf_codec_list_t *	codec_list1,
		mpf_codec_list_t *	codec_list2
	)

Intersect two codec lists

◆ mpf_codec_lpcm_descriptor_create()

mpf_codec_descriptor_t* mpf_codec_lpcm_descriptor_create	(	apr_uint16_t	sampling_rate,
		apr_byte_t	channel_count,
		apr_pool_t *	pool
	)

Create linear PCM descriptor

◆ mpf_codec_lpcm_descriptor_match()

apt_bool_t mpf_codec_lpcm_descriptor_match ( const mpf_codec_descriptor_t * descriptor )

Match specified codec descriptor and the default lpcm one

◆ mpf_sample_rate_mask_get()

int mpf_sample_rate_mask_get ( apr_uint16_t sampling_rate )

Get sampling rate mask (mpf_sample_rate_e) by integer value

Data Structures

Macros

Typedefs

Enumerations

Functions