Type Alias switch_codec_implementation_t

pub type switch_codec_implementation_t = switch_codec_implementation;

\brief A table of settings and callbacks that define a paticular implementation of a codec

Aliased Type

#[repr(C)]
pub struct switch_codec_implementation_t {

    pub codec_type: u32,
    pub ianacode: u8,
    pub iananame: *mut i8,
    pub fmtp: *mut i8,
    pub samples_per_second: u32,
    pub actual_samples_per_second: u32,
    pub bits_per_second: i32,
    pub microseconds_per_packet: i32,
    pub samples_per_packet: u32,
    pub decoded_bytes_per_packet: u32,
    pub encoded_bytes_per_packet: u32,
    pub number_of_channels: u8,
    pub codec_frames_per_packet: i32,
    pub init: Option<unsafe extern "C" fn(*mut switch_codec, u32, *const switch_codec_settings) -> switch_status_t>,
    pub encode: Option<unsafe extern "C" fn(*mut switch_codec, *mut switch_codec, *mut c_void, u32, u32, *mut c_void, *mut u32, *mut u32, *mut u32) -> switch_status_t>,
    pub decode: Option<unsafe extern "C" fn(*mut switch_codec, *mut switch_codec, *mut c_void, u32, u32, *mut c_void, *mut u32, *mut u32, *mut u32) -> switch_status_t>,
    pub encode_video: Option<unsafe extern "C" fn(*mut switch_codec, *mut switch_frame) -> switch_status_t>,
    pub decode_video: Option<unsafe extern "C" fn(*mut switch_codec, *mut switch_frame) -> switch_status_t>,
    pub codec_control: Option<unsafe extern "C" fn(*mut switch_codec, u32, u32, *mut c_void, u32, *mut c_void, *mut u32, *mut *mut c_void) -> switch_status_t>,
    pub destroy: Option<unsafe extern "C" fn(*mut switch_codec) -> switch_status_t>,
    pub codec_id: u32,
    pub impl_id: u32,
    pub modname: *mut i8,
    pub next: *mut switch_codec_implementation,
}

Fields

codec_type: u32

enumeration defining the type of the codec

ianacode: u8

the IANA code number

iananame: *mut i8

the IANA code name

fmtp: *mut i8

default fmtp to send (can be overridden by the init function)

samples_per_second: u32

samples transferred per second

actual_samples_per_second: u32

actual samples transferred per second for those who are not moron g722 RFC writers

bits_per_second: i32

bits transferred per second

microseconds_per_packet: i32

number of microseconds of media in one packet (ptime * 1000)

samples_per_packet: u32

number of samples in one packet

decoded_bytes_per_packet: u32

number of bytes one packet will decompress to

encoded_bytes_per_packet: u32

number of encoded bytes in the RTP payload

number_of_channels: u8

number of channels represented

codec_frames_per_packet: i32

number of codec frames packetized into one packet

init: Option<unsafe extern "C" fn(*mut switch_codec, u32, *const switch_codec_settings) -> switch_status_t>

function to initialize a codec handle using this implementation

encode: Option<unsafe extern "C" fn(*mut switch_codec, *mut switch_codec, *mut c_void, u32, u32, *mut c_void, *mut u32, *mut u32, *mut u32) -> switch_status_t>

function to encode raw data into encoded data

decode: Option<unsafe extern "C" fn(*mut switch_codec, *mut switch_codec, *mut c_void, u32, u32, *mut c_void, *mut u32, *mut u32, *mut u32) -> switch_status_t>

function to decode encoded data into raw data

encode_video: Option<unsafe extern "C" fn(*mut switch_codec, *mut switch_frame) -> switch_status_t>

function to encode video raw data into encoded data

decode_video: Option<unsafe extern "C" fn(*mut switch_codec, *mut switch_frame) -> switch_status_t>

function to decode video encoded data into raw data

codec_control: Option<unsafe extern "C" fn(*mut switch_codec, u32, u32, *mut c_void, u32, *mut c_void, *mut u32, *mut *mut c_void) -> switch_status_t>

function to send control messages to the codec

destroy: Option<unsafe extern "C" fn(*mut switch_codec) -> switch_status_t>

deinitalize a codec handle using this implementation

codec_id: u32

impl_id: u32

modname: *mut i8

next: *mut switch_codec_implementation