本文整理汇总了C++中decoder函数的典型用法代码示例。如果您正苦于以下问题：C++ decoder函数的具体用法？C++ decoder怎么用？C++ decoder使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了decoder函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: TEST
TEST(ImageDecoderTest, requiredPreviousFrameIndexDisposeOverwriteBgcolor)
{
std::unique_ptr<TestImageDecoder> decoder(wrapUnique(new TestImageDecoder()));
decoder->initFrames(3);
Vector<ImageFrame, 1>& frameBuffers = decoder->frameBufferCache();
// Fully covering DisposeOverwriteBgcolor previous frame resets the starting state.
frameBuffers[1].setDisposalMethod(ImageFrame::DisposeOverwriteBgcolor);
decoder->resetRequiredPreviousFrames();
EXPECT_EQ(kNotFound, frameBuffers[2].requiredPreviousFrameIndex());
// Partially covering DisposeOverwriteBgcolor previous frame is required by this frame.
frameBuffers[1].setOriginalFrameRect(IntRect(50, 50, 50, 50));
decoder->resetRequiredPreviousFrames();
EXPECT_EQ(1u, frameBuffers[2].requiredPreviousFrameIndex());
}
开发者ID:endlessm，项目名称:chromium-browser，代码行数:16，代码来源:ImageDecoderTest.cpp
示例2: decoder
void Selector::UpdateViewRay()
{
// TODO: Maybe should be placed in frustum, or somehere else, because it depends greatly
// on the projection matrix
Math::PerspectiveDecoder decoder(m_projection_matrix);
float x = decoder.GetWidthToHeightAspectRatio()*( -1 + 2.0f * m_cursor.X() / m_screen_size.X());
float y = (-1 + 2.0f * m_cursor.Y() / m_screen_size.Y());
auto m = m_view_matrix.Inversed();
Math::vec3 origin = m * Math::vec3(0,0,0);
auto vv = m * Math::vec4(x, y, -1.0f / tan(decoder.GetFovY() / 2.0f), 1);
Math::vec3 destination(vv[0] / vv[3], vv[1] / vv[3], vv[2] / vv[3]);
m_world_screen_point = destination;
m_view_ray.SetOriginDestination(origin, origin + (destination - origin).Normalized() * m_selection_depth);
}
开发者ID:Mikalai，项目名称:punk_project_a，代码行数:16，代码来源:selector.cpp
示例3: decoder
std::shared_ptr<Video::MovieAudioDecoder> MovieAudioFactory::createDecoder(Video::VideoState* videoState)
{
std::shared_ptr<MWSound::MovieAudioDecoder> decoder(new MWSound::MovieAudioDecoder(videoState));
decoder->setupFormat();
MWBase::SoundManager *sndMgr = MWBase::Environment::get().getSoundManager();
MWBase::SoundStream *sound = sndMgr->playTrack(decoder->mDecoderBridge, MWSound::Type::Movie);
if (!sound)
{
decoder.reset();
return decoder;
}
decoder->mAudioTrack = sound;
return decoder;
}
开发者ID:OpenMW，项目名称:openmw，代码行数:16，代码来源:movieaudiofactory.cpp
示例4: int
bool FFMpegStream::readFrame(AVFrame *frame)
{
typedef int (*decoder_t)(AVCodecContext*,AVFrame*,int*,const AVPacket*);
decoder_t decoder = type == TYPE_VIDEO ? &avcodec_decode_video2 : &avcodec_decode_audio4;
int got_frame = 0;
while (!got_frame)
{
if (!readPacket())
return false;
if (decoder(codecContext, frame, &got_frame, &packet) < 0)
return false;
}
return true;
}
开发者ID:MikuAuahDark，项目名称:livesim4，代码行数:16，代码来源:FFMpegStream.cpp
示例5: decoder
MediaDataDecoder*
WMFDecoderModule::CreateAACDecoder(uint32_t aChannelCount,
uint32_t aSampleRate,
uint16_t aBitsPerSample,
const uint8_t* aUserData,
uint32_t aUserDataLength)
{
nsAutoPtr<WMFAudioDecoder> decoder(new WMFAudioDecoder());
nsresult rv = decoder->Init(aChannelCount,
aSampleRate,
aBitsPerSample,
aUserData,
aUserDataLength);
NS_ENSURE_SUCCESS(rv, nullptr);
return decoder.forget();
}
开发者ID:Gozala，项目名称:gecko-dev，代码行数:16，代码来源:WMFDecoderModule.cpp
示例6: compareMonoSysex
bool compareMonoSysex(uint8_t *buf, uint8_t *buf2) {
uint8_t buftmp[8192];
uint8_t buftmp2[8192];
uint16_t len = 0x1978;
MNMSysexDecoder decoder(DATA_ENCODER_INIT(buf + 10, len - 10));
decoder.get(buftmp + 1, len - 10);
MNMSysexDecoder decoder2(DATA_ENCODER_INIT(buf2 + 10, - 10));
decoder2.get(buftmp2 + 1, len - 10);
for (uint16_t i = 1; i < len - 10; i++) {
if (buftmp[i] != buftmp2[i]) {
printf("mono sysex different at 0x%x, %x != %x\n", i, buftmp[i], buftmp2[i]);
return false;
}
}
return true;
}
开发者ID:jmamma，项目名称:mididuino，代码行数:16，代码来源:mnmPatternTest.cpp
示例7: decompressAdaptive
void decompressAdaptive(std::istream& in, std::ostream& out) {
AdaptiveDataModel dataModel(NUM_SYMBOLS);
ArithmeticDecoder decoder(std::make_shared<BitStreamReader>(&in));
for (;;) {
auto symbol = decoder.decode(&dataModel);
if (symbol >= NUM_SYMBOLS)
throw std::runtime_error("Read bad symbol value. Symbols are expected to be 1 byte long.");
// on ending symbol exit loop
if (symbol == NUM_SYMBOLS - 1)
break;
out << static_cast<char>(symbol);
}
}
开发者ID:WingOfRay，项目名称:lzw，代码行数:16，代码来源:main.cpp
示例8: metautils_unpack_bodyv
GError *
metautils_unpack_bodyv (GByteArray **bodyv, GSList **result,
body_decoder_f decoder)
{
GError *err = NULL;
GSList *items = NULL;
for (GByteArray **p=bodyv; *p && !err ;++p) {
GSList *l = NULL;
if (!decoder (&l, (*p)->data, (*p)->len, NULL))
err = NEWERROR (CODE_PROXY_ERROR, "Bad payload from service");
else
items = metautils_gslist_precat (items, l);
}
*result = items;
return err;
}
开发者ID:InGenious-Justice，项目名称:oio-sds，代码行数:16，代码来源:comm_message.c
示例9: readFixedLengthStringFromBuffer
QString readFixedLengthStringFromBuffer(const void *buffer,
size_t bufferSize,
size_t pos,
uint length,
QTextCodec *codec)
{
if(codec == NULL)
{
throw std::runtime_error("Codec is NULL");
}
QScopedArrayPointer<quint8> stringIn(
new quint8[static_cast<size_t>(length)]);
if((pos + static_cast<size_t>(length)) <= bufferSize)
{
size_t last = pos + static_cast<size_t>(length);
size_t strPtr = static_cast<size_t>(0);
for(size_t ptr = pos; ptr < last; ptr++)
{
stringIn[strPtr] = (reinterpret_cast<const quint8 *>(buffer))[ptr];
strPtr++;
}
}
else
{
size_t last = bufferSize;
size_t strPtr = static_cast<size_t>(0);
for(size_t ptr = pos; ptr < last; ptr++)
{
stringIn[strPtr] = (reinterpret_cast<const quint8 *>(buffer))[ptr];
strPtr++;
}
for(size_t ptr = strPtr; ptr < static_cast<size_t>(length); ptr++)
{
stringIn[ptr] = 0;
}
}
uint stringLength = qstrnlen(
reinterpret_cast<char *> (stringIn.data()), length);
QScopedPointer<QTextDecoder> decoder(codec->makeDecoder());
if (decoder.isNull())
{
throw std::runtime_error("Unable to create text decoder");
}
return decoder->toUnicode(
reinterpret_cast<const char *> (stringIn.data()),
static_cast<int> (stringLength));
}
开发者ID:rel-eng，项目名称:QWinHelp，代码行数:47，代码来源:IOUtils.cpp
示例10: decoder
CHeaderData* CSoundCardRepeaterTXRXThread::processFECHeader()
{
bool buffer[FEC_SECTION_LENGTH_BITS];
m_bitBuffer.getData(buffer, FEC_SECTION_LENGTH_BITS);
CRadioHeaderDecoder decoder(buffer, FEC_SECTION_LENGTH_BITS);
CHeaderData* header = decoder.getHeaderData();
if (header == NULL)
return NULL;
m_headerBER = decoder.getBER();
wxLogMessage(wxT("Radio header decoded - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X BER: %u%%"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3(), m_headerBER);
return header;
}
开发者ID:BackupTheBerlios，项目名称:opendv-svn，代码行数:17，代码来源:SoundCardRepeaterTXRXThread.cpp
示例11: LoadSound
unsigned int LoadSound(const char * filename, ALCcontext * context)
{
alcMakeContextCurrent(context);
OggDecoder decoder(filename);
decoder.GetInfo();
decoder.FillBuffer();
unsigned int buffer;
alGenBuffers(1, &buffer);
alBufferData(buffer, decoder.GetChannels() > 1 ?
AL_FORMAT_STEREO16 : AL_FORMAT_MONO16,
decoder.GetData(), decoder.GetBufferSize(), decoder.GetSampleRate());
decoder.ClearBuffer();
return buffer;
}
开发者ID:Gooeybots，项目名称:Hackman，代码行数:17，代码来源:loadsound.cpp
示例12: evaluate_fitness
void evaluate_fitness(Population * population, mySlimTree* SlimTree, TCity * queryObject, stDistance range)
{
double x, y;
long i;
for( i = 0; i < POPULATION_SIZE; ++i)
{
decoder(&population->individuals[i]);
if(MAXIMIZATION)
{
population->individuals[i].fitness = objective_function(population->individuals[i].phenotype, SlimTree, queryObject, range);
} else
{
population->individuals[i].fitness = (-1 * objective_function(population->individuals[i].phenotype, SlimTree, queryObject, range));
}
}
}
开发者ID:dannluciano，项目名称:Tcc，代码行数:17，代码来源:genetic_algorithm.cpp
示例13: TEST
TEST(invalidDecoder, CodecLibrary)
{
HBitmapDecoder decoder(new WindowsBitmapDecoder);
bool isInvalidDecoder = false;
try
{
decoder->createIterator();
}
catch (const InvalidDecoder&)
{
isInvalidDecoder = true;
}
CHECK(isInvalidDecoder);
}
开发者ID:mcmellawatt，项目名称:VectorGraphicsFramework，代码行数:17，代码来源:CodecLibraryTest.cpp
示例14: CreateDecoderWrapper
static already_AddRefed<MediaDataDecoderProxy>
CreateDecoderWrapper(MediaDataDecoderCallback* aCallback, CDMProxy* aProxy, FlushableTaskQueue* aTaskQueue)
{
nsCOMPtr<mozIGeckoMediaPluginService> gmpService = do_GetService("@mozilla.org/gecko-media-plugin-service;1");
if (!gmpService) {
return nullptr;
}
nsCOMPtr<nsIThread> thread;
nsresult rv = gmpService->GetThread(getter_AddRefs(thread));
if (NS_FAILED(rv)) {
return nullptr;
}
RefPtr<MediaDataDecoderProxy> decoder(new EMEMediaDataDecoderProxy(thread, aCallback, aProxy, aTaskQueue));
return decoder.forget();
}
开发者ID:Manishearth，项目名称:gecko-dev，代码行数:17，代码来源:EMEDecoderModule.cpp
示例15: main
int main(void)
{
int i, sic, eic;
U16BIT I;
reset_encoder();
reset_decoder();
sic = __time / 2;
for (i = 0; i < sizeof(Input) / sizeof(U16BIT); i++)
decoder(encoder(Input[i]));
eic = __time / 2;
printf("\nInstruction cycles for transcoding a sample: %d\n",
(eic - sic) / (sizeof(Input) / sizeof(U16BIT)));
return (0);
}
开发者ID:b14ckkn19ht，项目名称:Shang，代码行数:17，代码来源:board_test.c
示例16: decoder
bool GraphicsContext3D::getImageData(Image* image,
GC3Denum format,
GC3Denum type,
bool premultiplyAlpha,
bool ignoreGammaAndColorProfile,
Vector<uint8_t>& outputVector)
{
if (!image)
return false;
OwnPtr<NativeImageSkia> pixels;
NativeImageSkia* skiaImage = 0;
AlphaOp neededAlphaOp = AlphaDoNothing;
bool hasAlpha = image->isBitmapImage() ? static_cast<BitmapImage*>(image)->frameHasAlphaAtIndex(0) : true;
if ((ignoreGammaAndColorProfile || (hasAlpha && !premultiplyAlpha)) && image->data()) {
ImageSource decoder(ImageSource::AlphaNotPremultiplied,
ignoreGammaAndColorProfile ? ImageSource::GammaAndColorProfileIgnored : ImageSource::GammaAndColorProfileApplied);
// Attempt to get raw unpremultiplied image data
decoder.setData(image->data(), true);
if (!decoder.frameCount() || !decoder.frameIsCompleteAtIndex(0))
return false;
hasAlpha = decoder.frameHasAlphaAtIndex(0);
pixels = adoptPtr(decoder.createFrameAtIndex(0));
if (!pixels.get() || !pixels->isDataComplete() || !pixels->width() || !pixels->height())
return false;
SkBitmap::Config skiaConfig = pixels->config();
if (skiaConfig != SkBitmap::kARGB_8888_Config)
return false;
skiaImage = pixels.get();
if (hasAlpha && premultiplyAlpha)
neededAlphaOp = AlphaDoPremultiply;
} else {
skiaImage = image->nativeImageForCurrentFrame();
if (!premultiplyAlpha && hasAlpha)
neededAlphaOp = AlphaDoUnmultiply;
}
if (!skiaImage)
return false;
SkBitmap& skiaImageRef = *skiaImage;
SkAutoLockPixels lock(skiaImageRef);
ASSERT(skiaImage->rowBytes() == skiaImage->width() * 4);
outputVector.resize(skiaImage->rowBytes() * skiaImage->height());
return packPixels(reinterpret_cast<const uint8_t*>(skiaImage->getPixels()),
SourceFormatBGRA8, skiaImage->width(), skiaImage->height(), 0,
format, type, neededAlphaOp, outputVector.data());
}
开发者ID:dankurka，项目名称:webkit_titanium，代码行数:45，代码来源:GraphicsContext3DSkia.cpp
示例17: decode
virtual int decode( gpointer data, gsize size, TPImage * image )
{
if ( ! enabled() )
{
tplog( " EXTERNAL IMAGE DECODER IS DISABLED" );
return TP_IMAGE_UNSUPPORTED_FORMAT;
}
tplog( " INVOKING EXTERNAL DECODER WITH BUFFER OF %d BYTES", size );
int result = decoder( data, size, image, decoder_data );
tplog( " EXTERNAL DECODER RETURNED %d", result );
if ( result == TP_IMAGE_DECODE_OK )
{
tplog( " pixels : %p", image->pixels );
tplog( " width : %u", image->width );
tplog( " height : %u", image->height );
tplog( " pitch : %u", image->pitch );
tplog( " depth : %u", image->depth );
tplog( " bgr : %u", image->bgr );
tplog( " pm_alpha : %u", image->pm_alpha );
tplog( " free_image : %p", image->free_image );
g_assert( image->pixels != NULL );
g_assert( image->pitch >= image->width * image->depth );
g_assert( image->depth == 3 || image->depth == 4 );
g_assert( image->bgr == 0 );
Image::premultiply_alpha( image );
}
else
{
g_assert( image->pixels == NULL );
// We change to unsupported format so that no matter what
// the external decoder does, we try the internal decoders.
result = TP_IMAGE_UNSUPPORTED_FORMAT;
}
return result;
}
开发者ID:cebu4u，项目名称:Trickplay，代码行数:45，代码来源:images.cpp
示例18: decoder
bool GraphicsContext3D::getImageData(Image* image, unsigned int format, unsigned int type, bool premultiplyAlpha, bool ignoreGammaAndColorProfile, Vector<uint8_t>& outputVector)
{
if (!image)
return false;
// We need this to stay in scope because the native image is just a shallow copy of the data.
ImageSource decoder(premultiplyAlpha ? ImageSource::AlphaPremultiplied : ImageSource::AlphaNotPremultiplied,
ignoreGammaAndColorProfile ? ImageSource::GammaAndColorProfileIgnored : ImageSource::GammaAndColorProfileApplied);
AlphaOp alphaOp = AlphaDoNothing;
RefPtr<cairo_surface_t> imageSurface;
if (image->data()) {
decoder.setData(image->data(), true);
if (!decoder.frameCount() || !decoder.frameIsCompleteAtIndex(0))
return false;
imageSurface = decoder.createFrameAtIndex(0);
} else {
imageSurface = image->nativeImageForCurrentFrame();
if (!premultiplyAlpha)
alphaOp = AlphaDoUnmultiply;
}
if (!imageSurface)
return false;
int width = cairo_image_surface_get_width(imageSurface.get());
int height = cairo_image_surface_get_height(imageSurface.get());
if (!width || !height)
return false;
if (cairo_image_surface_get_format(imageSurface.get()) != CAIRO_FORMAT_ARGB32)
return false;
unsigned int srcUnpackAlignment = 1;
size_t bytesPerRow = cairo_image_surface_get_stride(imageSurface.get());
size_t bitsPerPixel = 32;
unsigned int padding = bytesPerRow - bitsPerPixel / 8 * width;
if (padding) {
srcUnpackAlignment = padding + 1;
while (bytesPerRow % srcUnpackAlignment)
++srcUnpackAlignment;
}
outputVector.resize(width * height * 4);
return packPixels(cairo_image_surface_get_data(imageSurface.get()), SourceFormatBGRA8,
width, height, srcUnpackAlignment, format, type, alphaOp, outputVector.data());
}
开发者ID:Xertz，项目名称:EAWebKit，代码行数:45，代码来源:GraphicsContext3DCairo.cpp
示例19: NS_ENSURE_TRUE
TemporaryRef<MFTDecoder>
WMFAudioMFTManager::Init()
{
NS_ENSURE_TRUE(mStreamType != Unknown, nullptr);
RefPtr<MFTDecoder> decoder(new MFTDecoder());
HRESULT hr = decoder->Create(GetMFTGUID());
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
// Setup input/output media types
RefPtr<IMFMediaType> type;
hr = wmf::MFCreateMediaType(byRef(type));
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
hr = type->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Audio);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
hr = type->SetGUID(MF_MT_SUBTYPE, GetMediaSubtypeGUID());
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
hr = type->SetUINT32(MF_MT_AUDIO_SAMPLES_PER_SECOND, mAudioRate);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
hr = type->SetUINT32(MF_MT_AUDIO_NUM_CHANNELS, mAudioChannels);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
if (mStreamType == AAC) {
hr = type->SetUINT32(MF_MT_AAC_PAYLOAD_TYPE, 0x0); // Raw AAC packet
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
hr = type->SetBlob(MF_MT_USER_DATA,
mUserData.Elements(),
mUserData.Length());
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
}
hr = decoder->SetMediaTypes(type, MFAudioFormat_PCM);
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
mDecoder = decoder;
return decoder.forget();
}
开发者ID:msliu，项目名称:gecko-dev，代码行数:45，代码来源:WMFAudioMFTManager.cpp
示例20: qDebug
void AnalyzeFileTask::run()
{
qDebug() << "Analyzing file" << m_path;
AnalyzeResult *result = new AnalyzeResult();
result->fileName = m_path;
TagReader tags(m_path);
if (!tags.read()) {
result->error = true;
result->errorMessage = "Couldn't read metadata";
emit finished(result);
return;
}
result->mbid = tags.mbid();
result->length = tags.length();
result->bitrate = tags.bitrate();
if (result->length < 10) {
result->error = true;
result->errorMessage = "Too short audio stream, should be at least 10 seconds";
emit finished(result);
return;
}
Decoder decoder(qPrintable(m_path));
if (!decoder.Open()) {
result->error = true;
result->errorMessage = QString("Couldn't open the file: ") + QString::fromStdString(decoder.LastError());
emit finished(result);
return;
}
FingerprintCalculator fpcalculator;
if (!fpcalculator.start(decoder.SampleRate(), decoder.Channels())) {
result->error = true;
result->errorMessage = "Error while fingerpriting the file";
emit finished(result);
return;
}
decoder.Decode(&fpcalculator, AUDIO_LENGTH);
result->fingerprint = fpcalculator.finish();
emit finished(result);
}
开发者ID:nemesit，项目名称:acoustid-fingerprinter，代码行数:45，代码来源:analyzefiletask.cpp
注：本文中的decoder函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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