QtMultimediaInternal::QAudioPacketFeeder Class Reference

Public Functions
bool	empty () const
bool	feed (AudioBufferList &dst, UInt32 &packetCount)
	QAudioPacketFeeder (QAudioBufferList *abl)

Properties
QAudioBufferList *	audioBufferList
UInt32	position
UInt32	totalPackets

Detailed Description

Definition at line 184 of file qaudioinput_mac_p.cpp.

Constructors and Destructors

QAudioPacketFeeder()

QtMultimediaInternal::QAudioPacketFeeder::QAudioPacketFeeder ( QAudioBufferList *  abl )

inline

Definition at line 187 of file qaudioinput_mac_p.cpp.

                                             :
        audioBufferList(abl)
    {
        totalPackets = audioBufferList->packetCount();
        position = 0;
    }

Functions

empty()

bool QtMultimediaInternal::QAudioPacketFeeder::empty ( ) const

inline

Definition at line 213 of file qaudioinput_mac_p.cpp.

Referenced by QtMultimediaInternal::QAudioInputBuffer::renderFromDevice().

    {
        return position == totalPackets;
    }

feed()

bool QtMultimediaInternal::QAudioPacketFeeder::feed ( AudioBufferList &  dst, UInt32 &  packetCount  )

inline

Definition at line 194 of file qaudioinput_mac_p.cpp.

Referenced by QtMultimediaInternal::QAudioInputBuffer::converterCallback().

    {
        if (position == totalPackets) {
            dst.mBuffers[0].mDataByteSize = 0;
            packetCount = 0;
            return false;
        }

        if (totalPackets - position < packetCount)
            packetCount = totalPackets - position;

        dst.mBuffers[0].mDataByteSize = packetCount * audioBufferList->packetSize();
        dst.mBuffers[0].mData = audioBufferList->data() + (position * audioBufferList->packetSize());

        position += packetCount;

        return true;
    }

Properties

audioBufferList

QAudioBufferList* QtMultimediaInternal::QAudioPacketFeeder::audioBufferList

private

Definition at line 221 of file qaudioinput_mac_p.cpp.

position

UInt32 QtMultimediaInternal::QAudioPacketFeeder::position

private

Definition at line 220 of file qaudioinput_mac_p.cpp.

totalPackets

UInt32 QtMultimediaInternal::QAudioPacketFeeder::totalPackets

private

Definition at line 219 of file qaudioinput_mac_p.cpp.

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The documentation for this class was generated from the following file:

• /src/multimedia/audio/qaudioinput_mac_p.cpp