SkRandomAccessWStream Class Reference

Public Member Functions
	SkRandomAccessWStream ()
size_t	pos () const
size_t	size () const
void	write (const void *src, size_t bytes)
void	seek (size_t pos)
sk_sp< SkData >	detachAsData ()

Detailed Description

Definition at line 17 of file SkVideoEncoder.cpp.

Constructor & Destructor Documentation

SkRandomAccessWStream()

SkRandomAccessWStream::SkRandomAccessWStream ( )

inline

Definition at line 22 of file SkVideoEncoder.cpp.

{}

Member Function Documentation

detachAsData()

sk_sp< SkData > SkRandomAccessWStream::detachAsData ( )

inline

Definition at line 53 of file SkVideoEncoder.cpp.

                                 {
        // TODO: could add an efficient detach to SkTDArray if we wanted, w/o copy
        return SkData::MakeWithCopy(fStorage.begin(), fStorage.size());
    }

pos()

size_t SkRandomAccessWStream::pos ( ) const

inline

Definition at line 24 of file SkVideoEncoder.cpp.

{ return fPos; }

seek()

void SkRandomAccessWStream::seek ( size_t  pos )

inline

Definition at line 48 of file SkVideoEncoder.cpp.

                          {
        SkASSERT(pos <= fStorage.size());
        fPos = pos;
    }

size()

size_t SkRandomAccessWStream::size ( ) const

inline

Definition at line 26 of file SkVideoEncoder.cpp.

{ return fStorage.size(); }

write()

void SkRandomAccessWStream::write ( const void *  src, size_t  bytes  )

inline

Definition at line 28 of file SkVideoEncoder.cpp.

                                              {
        size_t len = fStorage.size();
        SkASSERT(fPos <= len);
 
        size_t overwrite = std::min(len - fPos, bytes);
        if (overwrite) {
            SkDebugf("overwrite %zu bytes at %zu offset with %zu remaining\n", overwrite, fPos, bytes - overwrite);
            memcpy(&fStorage[fPos], src, overwrite);
            fPos += overwrite;
            src = (const char*)src + overwrite;
            bytes -= overwrite;
        }
        // bytes now represents the amount to append
        if (bytes) {
            fStorage.append(bytes, (const char*)src);
            fPos += bytes;
        }
        SkASSERT(fPos <= fStorage.size());
    }

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

• third_party/skia/experimental/ffmpeg/SkVideoEncoder.cpp