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C++ VideoStream::GetHeight方法代码示例

本文整理汇总了C++中VideoStream::GetHeight方法的典型用法代码示例。如果您正苦于以下问题:C++ VideoStream::GetHeight方法的具体用法?C++ VideoStream::GetHeight怎么用?C++ VideoStream::GetHeight使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在VideoStream的用法示例。


在下文中一共展示了VideoStream::GetHeight方法的2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,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: CVPixelBufferGetPixelFormatType

static void
VDADecoderCallback (void *decompressionOutputRefCon, CFDictionaryRef frameInfo, OSStatus status, uint32_t infoFlags, CVImageBufferRef imageBuffer)
{
	MoonVDADecoder *decoder = (MoonVDADecoder *) decompressionOutputRefCon;
	VideoStream *vs = (VideoStream *) decoder->GetStream ();

	// FIXME: Is this always 1 thread?  Can we optimize this
	decoder->GetDeployment ()->RegisterThread ();

	Deployment::SetCurrent (decoder->GetDeployment ());

	if (imageBuffer == NULL) {
		return;
	}

	OSType format_type = CVPixelBufferGetPixelFormatType (imageBuffer);
	if (format_type != kCVPixelFormatType_422YpCbCr8) {
		g_warning ("Mismatched format in VDA");
		return;
	}

	MediaFrame *mf = (MediaFrame *) CFDictionaryGetValue (frameInfo, CFSTR ("MoonMediaFrame"));

	mf->AddState (MediaFrameVUY2);
	mf->FreeBuffer ();
	mf->SetBufLen (0);

	mf->srcSlideY = 0;
	mf->srcSlideH = vs->GetHeight ();

	mf->width = vs->GetWidth ();
	mf->height = vs->GetHeight ();

	CVPixelBufferLockBaseAddress (imageBuffer, 0);

	mf->data_stride [0] = (uint8_t *) CVPixelBufferGetBaseAddress (imageBuffer);
	mf->srcStride [0] = CVPixelBufferGetBytesPerRow (imageBuffer);

	mf->AddState (MediaFrameDecoded);

	mf->decoder_specific_data = imageBuffer;
	CVPixelBufferRetain (imageBuffer);

	decoder->ReportDecodeFrameCompleted (mf);

	mf->unref ();
}
开发者ID:499940913,项目名称:moon,代码行数:47,代码来源:pipeline-vda.cpp

示例2: GetStream

void
MoonVDADecoder::OpenDecoderAsyncInternal ()
{
	IMediaStream *stream = GetStream ();
	VideoStream *vs = (VideoStream *) stream;
	int format = 'avc1';

	CFDataRef avcCData = CFDataCreate (kCFAllocatorDefault, (const uint8_t*) stream->GetRawExtraData (), stream->GetRawExtraDataSize ());
	OSStatus status = CreateDecoder ((SInt32) vs->GetHeight (), (SInt32) vs->GetWidth (), (OSType) format, avcCData);

	if (avcCData) CFRelease (avcCData);

	if (status == kVDADecoderNoErr) {
		SetPixelFormat (MoonPixelFormat422YpCbCr8);

		ReportOpenDecoderCompleted ();
	} else {
		char *str = g_strdup_printf ("MoonVDADecoder failed to open codec (result: %d)", status);
		ReportErrorOccurred (str);
		g_free (str);
	}
}
开发者ID:499940913,项目名称:moon,代码行数:22,代码来源:pipeline-vda.cpp


注:本文中的VideoStream::GetHeight方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,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。