The QMediaContent class provides access to the resources relating to a media content. 更多...
| 头： | #include <QMediaContent> |
| qmake: | QT += multimedia |
| QMediaContent () | |
| QMediaContent (const QUrl & url ) | |
| QMediaContent (const QNetworkRequest & request ) | |
| QMediaContent (const QMediaResource & resource ) | |
| QMediaContent (const QMediaResourceList & resources ) | |
| QMediaContent (const QMediaContent & other ) | |
| QMediaContent (QMediaPlaylist * playlist , const QUrl & contentUrl = QUrl(), bool takeOwnership = false) | |
| ~QMediaContent () | |
| QNetworkRequest | canonicalRequest () const |
| QMediaResource | canonicalResource () const |
| QUrl | canonicalUrl () const |
| bool | isNull () const |
| QMediaPlaylist * | playlist () const |
| QMediaResourceList | resources () const |
| bool | operator!= (const QMediaContent & other ) const |
| QMediaContent & | operator= (const QMediaContent & other ) |
| bool | operator== (const QMediaContent & other ) const |
The QMediaContent class provides access to the resources relating to a media content.
QMediaContent is used within the multimedia framework as the logical handle to media content. A QMediaContent object is composed of one or more QMediaResource s where each resource provides the URL and format information of a different encoding of the content.
A non-null QMediaContent will always have a primary or canonical reference to the content available through the canonicalUrl () 或 canonicalResource () methods, any additional resources are optional.
Alternatively QMediaContent can represent a playlist and contain a pointer to a valid QMediaPlaylist object. In this case URL is optional and can either be empty or point to the playlist URL.
Constructs a null QMediaContent .
构造媒体内容采用 url 提供内容引用。
构造媒体内容采用 request 提供内容引用。
This constructor can be used to reference media content via network protocols such as HTTP. This may include additional information required to obtain the resource, such as Cookies or HTTP headers.
构造媒体内容采用 resource 提供内容引用。
构造媒体内容采用 resources 提供内容引用。
Constructs a copy of the media content other .
构造媒体内容采用 playlist .
contentUrl of a playlist is an optional parameter and can be empty.
Set takeOwnership to true if you want QMediaContent to take ownership of the playlist. takeOwnership is set to false by default.
Destroys the media content object.
返回 QNetworkRequest that represents that canonical resource for this media content.
返回 QMediaResource that represents that canonical resource for this media content.
返回 QUrl that represents that canonical resource for this media content.
Returns true if this media content is null (uninitialized); false otherwise.
Returns a playlist for this media content or 0 if this QMediaContent is not a playlist.
Returns a list of alternative resources for this media content. The first item in this list is always the canonical resource.
返回 true 若 other is not equivalent to this media content; false otherwise.
Assigns the value of other to this media content.
返回 true 若 other is equivalent to this media content; false otherwise.
