| class TImageConvStreamedEncode |
| Public Member Functions | |
|---|---|
| IMPORT_C void | AddBlocks(TRequestStatus &, const CImageFrame &, const TInt &) |
| IMPORT_C void | AppendBlocks(TRequestStatus &, const CImageFrame &, TInt) |
| IMPORT_C void | Complete(TRequestStatus &) |
| IMPORT_C void | GetCapabilities(TUid, TEncodeStreamCaps &) |
| IMPORT_C void | GetSupportedFormatsL(RArray< TUid > &, TUid &) |
| IMPORT_C void | InitFrameL(TUid, TInt, const TSize &, const TSize &, TEncodeStreamCaps::TNavigation, const CFrameImageData *) |
| Private Member Functions | |
|---|---|
| TImageConvStreamedEncode() | |
| void | SetExtension(MImageConvExtension *) |
| Private Attributes | |
|---|---|
| MImageConvStreamedEncode * | iExtension |
| TInt | iReserved |
| IMPORT_C void | AddBlocks | ( | TRequestStatus & | aStatus, |
| const CImageFrame & | aBlocks, | |||
| const TInt & | aSeqPosition | |||
| ) | ||||
Add blocks to the stream at a random position.
| TRequestStatus & aStatus | request status |
| const CImageFrame & aBlocks | wraps a memory buffer containing the pixel data to be added to the stream |
| const TInt & aSeqPosition | position of block in stream starting at 0 |
| IMPORT_C void | AppendBlocks | ( | TRequestStatus & | aStatus, |
| const CImageFrame & | aBlocks, | |||
| TInt | aNumBlocksToAdd | |||
| ) | ||||
Append blocks to the stream.
| TRequestStatus & aStatus | request status |
| const CImageFrame & aBlocks | wraps a memory buffer containing the pixel data to be added to the stream |
| TInt aNumBlocksToAdd | number of blocks of size TEncodeStreamCaps::MinBlockSizeInPixels to add to the stream |
| IMPORT_C void | Complete | ( | TRequestStatus & | aStatus | ) |
Signal completion of writing the stream
| TRequestStatus & aStatus | request status |
| IMPORT_C void | GetCapabilities | ( | TUid | aFormat, |
| TEncodeStreamCaps & | aCaps | |||
| ) | const | |||
Returns the capabilities of the codec plugin for a specific format.
| TUid aFormat | The format. |
| TEncodeStreamCaps & aCaps | The capabilities for the format given. |
| IMPORT_C void | GetSupportedFormatsL | ( | RArray< TUid > & | aFormats, |
| TUid & | aOptimalFormat | |||
| ) | const | |||
Returns a list of supported formats and the optimal format to be used. imageframeconst.h for a list of format uids.
| IMPORT_C void | InitFrameL | ( | TUid | aFormat, |
| TInt | aFrameNumber, | |||
| const TSize & | aFrameSizeInPixels, | |||
| const TSize & | aBlockSizeInPixels, | |||
| TEncodeStreamCaps::TNavigation | aNavigation, | |||
| const CFrameImageData * | aFrameImageData | |||
| ) | ||||
Initialise the stream.
leave
System wide error if for example the format is not supported.
must call InitFrameL before AppendBlocks or AddBlocks. Failure to do so completes request with KErrNotReady
can either specify format through aFormat or aImageFrameData. Conflicts cause a leave with KErrArgument.
| TUid aFormat | the format to use |
| TInt aFrameNumber | frame to stream |
| const TSize & aFrameSizeInPixels | Size of this frame in pixels |
| const TSize & aBlockSizeInPixels | Size of block to be added / appended. |
| TEncodeStreamCaps::TNavigation aNavigation | indication to stream of the way that the stream will be navigated. Allows codec to optimise it's behaviour. |
| const CFrameImageData * aFrameImageData | The frame image data (optional pass NULL if not required). There are format-specific image data variants that are used by encoders to obtain image specific data. This behaviour is invoked by specifying aFrameImageData. Otherwise, encoder specific defaults are invoked. |
| void | SetExtension | ( | MImageConvExtension * | aExtension | ) | [private] |
| MImageConvExtension * aExtension |