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C# IMediaSample.GetTime方法代码示例

本文整理汇总了C#中IMediaSample.GetTime方法的典型用法代码示例。如果您正苦于以下问题:C# IMediaSample.GetTime方法的具体用法?C# IMediaSample.GetTime怎么用?C# IMediaSample.GetTime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IMediaSample的用法示例。


在下文中一共展示了IMediaSample.GetTime方法的3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: SyncReadAligned

 public int SyncReadAligned(IMediaSample pSample)
 {
     Monitor.Enter(this);
     long start, end;
     long mediaStart, mediaEnd;
     int size;
     int offset;
     int hr;
     int ans = S_OK;
     IntPtr ptr = new IntPtr();
     hr = pSample.GetPointer(out ptr);
     hr = pSample.GetTime(out start, out end);
     hr = pSample.GetMediaTime(out mediaStart, out mediaEnd);
     size = pSample.GetSize();
     int rescale = DS_RESCALE_FACTOR; // (int)((end - start) / size);
     //start += startTime;
     offset = (int)(start / rescale);
     if ((offset + size) > reader.BufferSize)
     {
         Memory.Set(ptr, offset, size);
         log.InfoFormat("SyncReadAligned went off the end ({0}, {1}, {2})", offset, (offset + size), reader.BufferSize);
         size = (int)(reader.BufferSize - offset);
         ans = S_FALSE;
     }
     if ((offset + size) > reader.BufferEnd)
     {
         log.InfoFormat("SyncReadAligned wait for buffer ({0}, {1}, {2})", offset, (offset + size), reader.BufferEnd);
         BufferData(offset + size);
     }
     log.InfoFormat("SyncReadAligned ({0} / {1} ({2}), {3} / {4}) - {5}, {6}", start, mediaStart, offset, end, mediaEnd, size, rescale);
     byte[] buffer = reader.GetBuffer();
     Marshal.Copy(buffer, offset, ptr, size);
     reader.ReleaseBuffer();
     Monitor.Exit(this);
     return ans;
 }
开发者ID:ufosky-server,项目名称:MultiversePlatform,代码行数:36,代码来源:DirectShowCodec.cs

示例2: CopySample

        public static void CopySample(IMediaSample src, IMediaSample dest, bool copySamples)
        {
            var sourceSize = src.GetActualDataLength();

            if (copySamples)
            {
                IntPtr sourceBuffer;
                src.GetPointer(out sourceBuffer);

                IntPtr destBuffer;
                dest.GetPointer(out destBuffer);

                CopyMemory(destBuffer, sourceBuffer, sourceSize);
            }

            // Copy the sample times
            long start, end;

            if (src.GetTime(out start, out end) == S_OK)
            {
                dest.SetTime(start, end);
            }

            if (src.GetMediaTime(out start, out end) == S_OK)
            {
                dest.SetMediaTime(start, end);
            }

            // Copy the media type
            AMMediaType mediaType;
            src.GetMediaType(out mediaType);
            dest.SetMediaType(mediaType);
            DsUtils.FreeAMMediaType(mediaType);

            dest.SetSyncPoint(src.IsSyncPoint() == S_OK);
            dest.SetPreroll(src.IsPreroll() == S_OK);
            dest.SetDiscontinuity(src.IsDiscontinuity() == S_OK);

            // Copy the actual data length
            dest.SetActualDataLength(sourceSize);
        }
开发者ID:Xuno,项目名称:MPDN_Extensions,代码行数:41,代码来源:AudioHelpers.cs

示例3: Request

 public int Request(IMediaSample pSample, IntPtr dwUser)
 {
     // queues up a request for a new sample
     Monitor.Enter(this);
     long start, end;
     pSample.GetTime(out start, out end);
     log.InfoFormat("Request ({0}, {1} - {2})", start, end, pSample.GetSize());
     sampleList.Add(pSample);
     samplePtrList.Add(dwUser);
     Monitor.Exit(this);
     return S_OK;
 }
开发者ID:ufosky-server,项目名称:MultiversePlatform,代码行数:12,代码来源:DirectShowCodec.cs


注:本文中的IMediaSample.GetTime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。