diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/images/SkImageDecoder_libpvjpeg.cpp | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/src/images/SkImageDecoder_libpvjpeg.cpp b/src/images/SkImageDecoder_libpvjpeg.cpp deleted file mode 100644 index b98763e6c9..0000000000 --- a/src/images/SkImageDecoder_libpvjpeg.cpp +++ /dev/null @@ -1,206 +0,0 @@ -#include "SkImageDecoder.h" -#include "SkColor.h" -#include "SkColorPriv.h" -#include "SkDither.h" -#include "SkMath.h" -#include "SkStream.h" -#include "SkTemplates.h" -#include "SkUtils.h" - -extern void ValidateHeap(); - -class SkPVJPEGImageDecoder : public SkImageDecoder { -protected: - virtual bool onDecode(SkStream* stream, SkBitmap* bm, - SkBitmap::Config pref, Mode); - -private: - enum { - STORAGE_SIZE = 8 * 1024 - }; - char fStorage[STORAGE_SIZE]; -}; - -SkImageDecoder* SkImageDecoder_PVJPEG_Factory(SkStream* stream) -{ - return SkNEW(SkPVJPEGImageDecoder); -} - -#include "pvjpgdecoderinterface.h" -#include "pvjpgdecoder_factory.h" - -class AutoPVDelete { -public: - AutoPVDelete(PVJpgDecoderInterface* codec) : fCodec(codec) {} - ~AutoPVDelete() { - fCodec->Reset(); - PVJpgDecoderFactory::DeletePVJpgDecoder(fCodec); - } -private: - PVJpgDecoderInterface* fCodec; -}; - -class MyObserver : public MPVJpegDecObserver { -public: - MyObserver() : fCount(0) {} - ~MyObserver() { - if (fCount != 0) { - SkDebugf("--- pvjpeg left %d allocations\n", fCount); - } - } - - virtual void allocateBuffer(uint8* &buffer, int32 buffersize) { - ++fCount; - // we double the allocation to work around bug when height is odd - buffer = (uint8*)sk_malloc_throw(buffersize << 1); - SkDebugf("--- pvjpeg alloc [%d] %d addr=%p\n", fCount, buffersize, buffer); - } - - virtual void deallocateBuffer(uint8 *buffer) { - SkDebugf("--- pvjpeg free [%d] addr=%p\n", fCount, buffer); - --fCount; - sk_free(buffer); - } - -private: - int fCount; -}; - -static void check_status(TPvJpgDecStatus status) { - if (TPVJPGDEC_SUCCESS != status) { - SkDEBUGF(("--- pvjpeg status %d\n", status)); - } -} - -static bool getFrame(PVJpgDecoderInterface* codec, SkBitmap* bitmap, - SkBitmap::Config prefConfig, SkImageDecoder::Mode mode) { - TPvJpgDecInfo info; - TPvJpgDecStatus status = codec->GetInfo(&info); - if (status != TPVJPGDEC_SUCCESS) - return false; - - int width = info.iWidth[0]; - int height = info.iHeight[0]; - - bitmap->setConfig(SkBitmap::kRGB_565_Config, width, height); - bitmap->setIsOpaque(true); - - if (SkImageDecoder::kDecodeBounds_Mode == mode) { - return true; - } - - SkASSERT(info.iNumComponent == 3); - - TPvJpgDecOutputFmt format; - format.iColorFormat = TPV_COLORFMT_RGB16; - format.iCropped.topLeftX = 0; - format.iCropped.topLeftY = 0; - format.iCropped.bottomRightX = width - 1; - format.iCropped.bottomRightY = height - 1; - format.iOutputPitch = bitmap->rowBytes() >> 1; - status = codec->SetOutput(&format); - if (status != TPVJPGDEC_SUCCESS) { - SkDebugf("--- PV SetOutput failed %d\n", status); - return false; - } - - TPvJpgDecFrame frame; - uint8* ptrs[3]; - int32 widths[3], heights[3]; - sk_bzero(ptrs, sizeof(ptrs)); - frame.ptr = ptrs; - frame.iWidth = widths; - frame.iHeight = heights; - - status = codec->GetFrame(&frame); - if (status != TPVJPGDEC_SUCCESS) { - SkDebugf("--- PV GetFrame failed %d\n", status); - return false; - } - - bitmap->allocPixels(); - memcpy(bitmap->getPixels(), ptrs[0], bitmap->getSize()); - return true; -} - -class OsclCleanupper { -public: - OsclCleanupper() { - OsclBase::Init(); - OsclErrorTrap::Init(); - OsclMem::Init(); - } - ~OsclCleanupper() { - OsclMem::Cleanup(); - OsclErrorTrap::Cleanup(); - OsclBase::Cleanup(); - } -}; - -bool SkPVJPEGImageDecoder::onDecode(SkStream* stream, SkBitmap* decodedBitmap, - SkBitmap::Config prefConfig, Mode mode) -{ - // do I need this guy? - OsclCleanupper oc; - - PVJpgDecoderInterface* codec = PVJpgDecoderFactory::CreatePVJpgDecoder(); - TPvJpgDecStatus status = codec->Init(); - check_status(status); - - MyObserver observer; // must create before autopvdelete - AutoPVDelete ad(codec); - - status = codec->SetObserver(&observer); - check_status(status); - - char* storage = fStorage; - int32 bytesInStorage = 0; - for (;;) - { - int32 bytesRead = stream->read(storage + bytesInStorage, - STORAGE_SIZE - bytesInStorage); - if (bytesRead <= 0) { - SkDEBUGF(("SkPVJPEGImageDecoder: stream read returned %d\n", bytesRead)); - return false; - } - - // update bytesInStorage to account for the read() - bytesInStorage += bytesRead; - SkASSERT(bytesInStorage <= STORAGE_SIZE); - - // now call Decode to eat some of the bytes - int32 consumed = bytesInStorage; - status = codec->Decode((uint8*)storage, &consumed); - - SkASSERT(bytesInStorage >= consumed); - bytesInStorage -= consumed; - // now bytesInStorage is the remaining unread bytes - if (bytesInStorage > 0) { // slide the leftovers to the beginning - SkASSERT(storage == fStorage); - SkASSERT(consumed >= 0 && bytesInStorage >= 0); - SkASSERT((size_t)(consumed + bytesInStorage) <= sizeof(fStorage)); - SkASSERT(sizeof(fStorage) == STORAGE_SIZE); - // SkDebugf("-- memmov srcOffset=%d, numBytes=%d\n", consumed, bytesInStorage); - memmove(storage, storage + consumed, bytesInStorage); - } - - switch (status) { - case TPVJPGDEC_SUCCESS: - SkDEBUGF(("SkPVJPEGImageDecoder::Decode returned success?\n");) - return false; - case TPVJPGDEC_FRAME_READY: - case TPVJPGDEC_DONE: - return getFrame(codec, decodedBitmap, prefConfig, mode); - case TPVJPGDEC_FAIL: - case TPVJPGDEC_INVALID_MEMORY: - case TPVJPGDEC_INVALID_PARAMS: - case TPVJPGDEC_NO_IMAGE_DATA: - SkDEBUGF(("SkPVJPEGImageDecoder: failed to decode err=%d\n", status);) - return false; - case TPVJPGDEC_WAITING_FOR_INPUT: - break; // loop around and eat more from the stream - } - } - return false; -} - |