Ocean
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This class is the base class for all sound mediums. More...
Data Structures | |
class | SortableSoundType |
Class allowing the sorting of several sound media types according their popularity. More... | |
class | SoundType |
Definition of a sound type composed by the sound frequency and channels. More... | |
Public Types | |
typedef float | SoundFrequency |
Definition of a sound frequency defined in Hz. More... | |
Public Types inherited from Ocean::Media::Medium | |
enum | Type : uint32_t { MEDIUM = 0u , FRAME_MEDIUM = 1u << 0u , SOUND_MEDIUM = 1u << 1u , FINITE_MEDIUM = 1u << 2u , LIVE_MEDIUM = 1u << 3u , CONFIG_MEDIUM = 1u << 4u , AUDIO = (1u << 5u) | FINITE_MEDIUM | SOUND_MEDIUM , IMAGE = (1u << 6u) | FRAME_MEDIUM , PIXEL_IMAGE = (1u << 7u) | FRAME_MEDIUM , BUFFER_IMAGE = (1u << 8u) | FRAME_MEDIUM , IMAGE_SEQUENCE = (1u << 9u) | FRAME_MEDIUM | FINITE_MEDIUM , LIVE_AUDIO = (1u << 10u) | LIVE_MEDIUM | SOUND_MEDIUM , LIVE_VIDEO = (1u << 11u) | LIVE_MEDIUM | FRAME_MEDIUM , MICROPHONE = (1u << 12u) | LIVE_MEDIUM , MOVIE = (1u << 13u) | FINITE_MEDIUM | FRAME_MEDIUM | SOUND_MEDIUM } |
Definition of different medium types. More... | |
Public Member Functions | |
bool | hasSound () const |
Returns whether the object holds a sound. More... | |
unsigned int | soundChannels () const |
Returns the number of sound channels. More... | |
SoundFrequency | soundFrequency () const |
Returns the frequency of the sound in Hz. More... | |
unsigned int | soundBitsPerSample () const |
Returns the number of bits per sample. More... | |
virtual float | soundVolume () const =0 |
Returns the volume of the sound in db. More... | |
virtual bool | soundMute () const =0 |
Returns whether the sound medium is in a mute state. More... | |
unsigned int | preferredSoundChannels () const |
Returns the preferred number of sound channels. More... | |
SoundFrequency | preferredSoundFrequency () const |
Returns the preferred sound frequency in Hz. More... | |
unsigned int | preferredSoundBitsPerSample () const |
Returns the preferred bits per sound sample. More... | |
virtual bool | setSoundVolume (const float volume)=0 |
Sets the volume of the sound in db. More... | |
virtual bool | setSoundMute (const bool mute)=0 |
Sets or unsets the sound medium to a mute state. More... | |
virtual bool | setPreferredSoundChannels (const unsigned int channels) |
Sets the preferred number of sound channels. More... | |
virtual bool | setPreferredSoundFrequency (const SoundFrequency frequency) |
Sets the preferred sound frequency in Hz. More... | |
virtual bool | setPreferredSoundBitsPerSample (const unsigned int bits) |
Sets the preferred bits per sound sample. More... | |
Public Member Functions inherited from Ocean::Media::Medium | |
const std::string & | url () const |
Returns the url of the medium. More... | |
bool | isValid () const |
Returns whether the medium is valid. More... | |
const std::string & | library () const |
Returns the name of the owner library. More... | |
Type | type () const |
Returns the type of the medium. More... | |
bool | isType (const Type type) const |
Returns whether a medium has a given type. More... | |
virtual bool | isStarted () const =0 |
Returns whether the medium is started currently. More... | |
bool | isExclusive () const |
Returns whether this medium can be use exclusively. More... | |
virtual bool | start ()=0 |
Starts the medium. More... | |
virtual bool | pause ()=0 |
Pauses the medium. More... | |
virtual bool | stop ()=0 |
Stops the medium. More... | |
virtual Timestamp | startTimestamp () const =0 |
Returns the start timestamp. More... | |
virtual Timestamp | pauseTimestamp () const =0 |
Returns the pause timestamp. More... | |
virtual Timestamp | stopTimestamp () const =0 |
Returns the stop timestamp. More... | |
virtual MediumRef | clone () const |
Clones this medium and returns a new independent instance of this medium. More... | |
Protected Member Functions | |
SoundMedium (const std::string &url) | |
Creates a new sound medium by a given url. More... | |
Protected Member Functions inherited from Ocean::Media::Medium | |
Medium (const Medium &medium)=delete | |
Disabled copy constructor. More... | |
Medium (const std::string &url) | |
Creates a new medium by a given url. More... | |
virtual | ~Medium () |
Destructs a medium. More... | |
Medium & | operator= (const Medium &medium)=delete |
Disabled copy operator. More... | |
Protected Attributes | |
SoundType | mediumSoundType |
Actual sound type. More... | |
SoundType | mediumPreferredSoundType |
Preferred sound type. More... | |
Timestamp | mediumSoundTimestamp |
Timestamp of the recent sound frame. More... | |
Timestamp | mediumSoundTypeTimestamp |
Timestamp of the recent sound frame type. More... | |
Protected Attributes inherited from Ocean::Media::Medium | |
std::string | url_ |
Url of the medium. More... | |
std::string | libraryName_ |
Name of the owner library. More... | |
bool | isValid_ = false |
Determines whether the medium is valid. More... | |
Type | type_ = MEDIUM |
Type of the medium. More... | |
Lock | lock_ |
Medium lock. More... | |
Additional Inherited Members | |
Static Public Member Functions inherited from Ocean::Media::Medium | |
static std::string | convertType (const Type type) |
Converts a medium type to a unique string. More... | |
static Type | convertType (const std::string &type) |
Converts a medium type string to a medium type. More... | |
This class is the base class for all sound mediums.
typedef float Ocean::Media::SoundMedium::SoundFrequency |
Definition of a sound frequency defined in Hz.
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explicitprotected |
Creates a new sound medium by a given url.
url | Url of the sound medium |
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inline |
Returns whether the object holds a sound.
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inline |
Returns the preferred bits per sound sample.
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inline |
Returns the preferred number of sound channels.
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inline |
Returns the preferred sound frequency in Hz.
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virtual |
Sets the preferred bits per sound sample.
bits | Preferred bits per sound sample |
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virtual |
Sets the preferred number of sound channels.
channels | Preferred sound channels |
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virtual |
Sets the preferred sound frequency in Hz.
frequency | Preferred sound frequency |
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pure virtual |
Sets or unsets the sound medium to a mute state.
mute | True, to mute the sound |
Implemented in Ocean::Media::MediaFoundation::MFSoundMedium, Ocean::Media::FFmpeg::FFMMovie, Ocean::Media::DirectShow::DSSoundMedium, Ocean::Media::AVFoundation::AVFMovie, Ocean::Media::AVFoundation::AVFLiveAudio, Ocean::Media::AVFoundation::AVFAudio, Ocean::Media::Android::AMovie, Ocean::Media::Android::ALiveAudio, and Ocean::Media::Android::AAudio.
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pure virtual |
Sets the volume of the sound in db.
The volume must be in range [-100db, 0db]
volume | New volume in db |
Implemented in Ocean::Media::MediaFoundation::MFSoundMedium, Ocean::Media::FFmpeg::FFMMovie, Ocean::Media::DirectShow::DSSoundMedium, Ocean::Media::AVFoundation::AVFMovie, Ocean::Media::AVFoundation::AVFLiveAudio, Ocean::Media::AVFoundation::AVFAudio, Ocean::Media::Android::AMovie, Ocean::Media::Android::ALiveAudio, and Ocean::Media::Android::AAudio.
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inline |
Returns the number of bits per sample.
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inline |
Returns the number of sound channels.
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inline |
Returns the frequency of the sound in Hz.
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pure virtual |
Returns whether the sound medium is in a mute state.
Implemented in Ocean::Media::MediaFoundation::MFSoundMedium, Ocean::Media::FFmpeg::FFMMovie, Ocean::Media::DirectShow::DSSoundMedium, Ocean::Media::AVFoundation::AVFMovie, Ocean::Media::AVFoundation::AVFLiveAudio, Ocean::Media::AVFoundation::AVFAudio, Ocean::Media::Android::AMovie, Ocean::Media::Android::ALiveAudio, and Ocean::Media::Android::AAudio.
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pure virtual |
Returns the volume of the sound in db.
Implemented in Ocean::Media::MediaFoundation::MFSoundMedium, Ocean::Media::FFmpeg::FFMMovie, Ocean::Media::DirectShow::DSSoundMedium, Ocean::Media::AVFoundation::AVFMovie, Ocean::Media::AVFoundation::AVFLiveAudio, Ocean::Media::AVFoundation::AVFAudio, Ocean::Media::Android::AMovie, Ocean::Media::Android::ALiveAudio, and Ocean::Media::Android::AAudio.
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protected |
Preferred sound type.
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protected |
Timestamp of the recent sound frame.
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protected |
Actual sound type.
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protected |
Timestamp of the recent sound frame type.