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Unit unaExfeeder

Description

Uses

Classes, Interfaces, Objects and Records

Functions and Procedures

Types

Constants

Variables

Description

public version

– ============= –

... after XE2 – – ================= RELEASE OPTIONS ================= $C- generation of assersion code (affects binary code)

$D- no debug info $O+ turn on optimization (affects binary code) $I- generation of checking I/O results code (affects binary code) $Q- generation of overflow checking code (affects binary code) $R- generation of range-checking code (affects binary code) $W- generation of stack frames for procedures and functions (affects binary code) COMMON (RELEASE and DEBUG) options ? – common – $A+ align records to 8/16 boundaries (unless packed modifier is specified) $B- turn off full boolean evaluation WARNING! turning is option on will introduce certain access violations $H+ turn on long string support $J- turn off writeable const $M- turn off RTTI (when possible) $T+ turn on typed pointers $X+ turn on extended syntax $Z+ or $Z4 set enum element size to 4 bytes short string? who still needs them.. short string? who still needs them..

Uses

Overview

Classes, Interfaces, Objects and Records

Name	Description
Class `myMpegDecoder`	– myMpegDecoder –
Class `socketStreamer`	– socketStreamer –
Class `waveRecorder`	– –

Functions and Procedures

function init_freeComponent(component: tExfComponent; doInit: bool): int;

function recording_start(streamer: socketStreamer; deviceId: unsigned; bitRate: unsigned = 128; samplingRate: unsigned = 44100; stereoMode: int = 1): HRESULT;

function recording_stop(): HRESULT;

function recording_isActive(): bool;

function recording_getStatusCode(): int;

function recording_getStatistic(): int64;

function streaming_start(const address, port: string; socketType: unsigned = IPPROTO_TCP; bufferSize: unsigned = 8192): HRESULT;

function streaming_stop(): HRESULT;

function streaming_isActive(): bool;

function streaming_getStatusCode(): int;

function streaming_getStatistic(): int64;

procedure streaming_sendData(data: pointer; size: unsigned);

function audioServer_start(const port: string; socketType: unsigned = IPPROTO_TCP; bufferSize: unsigned = 8192; deviceId: unsigned = WAVE_MAPPER): HRESULT;

function audioServer_stop(): HRESULT;

function audioServer_isActive(): bool;

function audioServer_hasClient(): bool;

function audioServer_getStatusCode(): int;

function audioServer_getStatistic(out receivedBytes, playedBackBytes: int64; out pcmFormat: string): bool;

Types

tExfComponent = (...);

Constants

c_barixPayload_ALaw_12kHz = 110;

c_barixPayload_ALaw_24kHz = 98;

c_barixPayload_ALaw_32kHz = 101;

c_barixPayload_generic = 127;

c_barixPayload_PCMlsb_12kHz_1 = 112;

c_barixPayload_PCMlsb_24kHz_1 = 105;

c_barixPayload_PCMlsb_32kHz_1 = 106;

c_barixPayload_PCMlsb_44kHz_2 = 107;

c_barixPayload_PCMlsb_48kHz_2 = 108;

c_barixPayload_PCMlsb_8kHz_1 = 104;

c_barixPayload_PCMmsb_12kHz_1 = 111;

c_barixPayload_PCMmsb_24kHz_1 = 99;

c_barixPayload_PCMmsb_32kHz_1 = 102;

c_barixPayload_PCMmsb_48kHz_2 = 103;

c_barixPayload_PCMmsb_8kHz_1 = 96;

c_barixPayload_uLaw_12kHz = 109;

c_barixPayload_uLaw_24kHz = 97;

c_barixPayload_uLaw_32kHz = 100;

Description

Functions and Procedures

function init_freeComponent(component: tExfComponent; doInit: bool): int;

Initializes or finalizes specified component. Must be first/last function called for every component.

function recording_start(streamer: socketStreamer; deviceId: unsigned; bitRate: unsigned = 128; samplingRate: unsigned = 44100; stereoMode: int = 1): HRESULT;

Starts live audio recording. deviceId - waveIn device id to use. WAVE_MAPPER or 0, 1.. ; bitRate - 32, 96, 128, 256 ... samplingRate - 8000, 16000, 22050, 44100 or other; stereo - true/false; numBits - 8/16 Also activates Lame encoding engine.

Returns

S_OK if recording was started, or -1 otherwise.

function recording_stop(): HRESULT;

Stops live audio recording. Should always return S_OK.

function recording_isActive(): bool;

Audio recording state.

Returns

True if live audio recording is active, false otherwise.

function recording_getStatusCode(): int;

-1 if no device was created yet, -2 if Lame config fails, -3 if Lame encoding library was not found, -4 if other Lame-specific error has occured or specific wave error code otherwise.

Returns

0 if no error was occured during recording,

function recording_getStatistic(): int64;

Audio recording stats.

Returns

Number of bytes recorded by component so far.

function streaming_start(const address, port: string; socketType: unsigned = IPPROTO_TCP; bufferSize: unsigned = 8192): HRESULT;

Starts real-time TCP/IP streaming to specified IP server. Streams MP3 data produced by live audio recording. Streams nothing if no live audio recording is active.

Parameters

bufferSize: Specifies maximum size of buffer used to store the data to be sent.

Returns

S_OK if streaming was started, or -1 otherwise.

function streaming_stop(): HRESULT;

Stops real-time TCP/IP streaming.

Returns

Should always return S_OK.

function streaming_isActive(): bool;

Streaming state.

Returns

True if real-time TCP/IP streaming is active, false otherwise.

function streaming_getStatusCode(): int;

Streaming status.

Returns

0 if no error was occured during streaming, 1 if client was disconnected from server or specific socket error code otherwise.

function streaming_getStatistic(): int64;

Streaming stats.

Returns

Number of bytes sent by component so far.

procedure streaming_sendData(data: pointer; size: unsigned);

Internal, do not use.

function audioServer_start(const port: string; socketType: unsigned = IPPROTO_TCP; bufferSize: unsigned = 8192; deviceId: unsigned = WAVE_MAPPER): HRESULT;

Starts real-time TCP/IP streaming audio server (Exstreamer emulator). Waits for MP3 data to be received and plays it back in real time. // bufferSize specifies maximum size of buffer used to store the incoming data. // returns S_OK if server was started, or -1 otherwise.

function audioServer_stop(): HRESULT;

Stops real-time TCP/IP streaming. // Should always return S_OK.

function audioServer_isActive(): bool;

returns true if audio server is active, false otherwise.

function audioServer_hasClient(): bool;

returns true if at least one client is connected to server, false otherwise.

function audioServer_getStatusCode(): int;

returns 0 if no error was occured during server activity, -1 if no device was created yet, -2 if DECODER config fails, -3 if DECODER library was not found, -4 if other DECODER-specific error has occured or specific socket error code otherwise.

function audioServer_getStatistic(out receivedBytes, playedBackBytes: int64; out pcmFormat: string): bool;

returns true and number of bytes received and played back by component (false if no component was created yet).

Types

tExfComponent = (...);

– –

Values

ec_recording:
ec_streaming:
ec_audioServer:

Constants

c_barixPayload_ALaw_12kHz = 110;

mu-Law, 8bit, mono, 12kHz

c_barixPayload_ALaw_24kHz = 98;

mu-Law, 8bit, mono, 24kHz

c_barixPayload_ALaw_32kHz = 101;

mu-Law, 8bit, mono, 32kHz (reserved?)

c_barixPayload_generic = 127;

PCM 16bit, LSB first, signed, 12kHz mono

c_barixPayload_PCMlsb_12kHz_1 = 112;

PCM 16bit, MSB first, signed, 12kHz mono

c_barixPayload_PCMlsb_24kHz_1 = 105;

PCM 16bit, LSB first, signed, 8kHz mono

c_barixPayload_PCMlsb_32kHz_1 = 106;

PCM 16bit, LSB first, signed, 24kHz mono

c_barixPayload_PCMlsb_44kHz_2 = 107;

PCM 16bit, LSB first, signed, 32kHz mono (reserved?)

c_barixPayload_PCMlsb_48kHz_2 = 108;

PCM 16bit, LSB first, signed, 44.1kHz stereo, left channel first

c_barixPayload_PCMlsb_8kHz_1 = 104;

PCM 16bit, MSB first, signed, 48kHz stereo, left channel first

c_barixPayload_PCMmsb_12kHz_1 = 111;

A-Law, 8bit, mono, 12kHz

c_barixPayload_PCMmsb_24kHz_1 = 99;

A-Law, 8bit, mono, 24kHz

c_barixPayload_PCMmsb_32kHz_1 = 102;

A-Law, 8bit, mono, 32kHz (reserved?)

c_barixPayload_PCMmsb_48kHz_2 = 103;

PCM 16bit, MSB first, signed, 32kHz mono (reserved?)

c_barixPayload_PCMmsb_8kHz_1 = 96;

== barix specific payloads == RTP payload type http://wiki.barix.com/index.php5/RTP —————————–

c_barixPayload_uLaw_12kHz = 109;

PCM 16bit, LSB first, signed, 48kHz stereo, left channel first

c_barixPayload_uLaw_24kHz = 97;

PCM 16bit, MSB first, signed, 8kHz mono

c_barixPayload_uLaw_32kHz = 100;

PCM, 16bit, MSB first, signed, 24kHz mono

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