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核进出口管理工作策划

2017-03-14 17:31:43 3 举报
AI智能生成
视频的录制
IOS
作者其他创作
大纲/内容
梳理制度
录制的视频大小<span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">.</span><span style="color: rgb(112, 61, 170); font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures;">sessionPreset</span>
<p style="margin: 0px; font-size: 14px; line-height: normal; font-family: Menlo; color: rgb(112, 61, 170);"><span style="font-variant-ligatures: no-common-ligatures">AVCaptureSessionPresetMedium</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000">;</span><span style="font-variant-ligatures: no-common-ligatures; color: #008400">//360 x 480</span></p>
<p style="margin: 0px; font-size: 14px; line-height: normal; font-family: Menlo; color: rgb(112, 61, 170);"><span style="font-variant-ligatures: no-common-ligatures">AVCaptureSessionPreset1280x720</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000">;</span><span style="font-variant-ligatures: no-common-ligatures; color: #008400">//720 x 1280</span></p>
<p style="margin: 0px; font-size: 14px; line-height: normal; font-family: Menlo; color: rgb(62, 30, 129);"><span style="font-variant-ligatures: no-common-ligatures">addInput</span></p>
AVCaptureDeviceInput
摄像头：<span style="color: rgb(112, 61, 170); font-family: Menlo; font-size: 14px;">AVMediaTypeVideo</span>
麦克风：<span style="color: rgb(112, 61, 170); font-family: Menlo; font-size: 14px;">AVMediaTypeAudio</span>
<p style="margin: 0px; font-size: 14px; line-height: normal; font-family: Menlo; color: rgb(112, 61, 170);"><span style="font-variant-ligatures: no-common-ligatures; color: #000000">[[</span><span style="font-variant-ligatures: no-common-ligatures">AVCaptureDeviceInput</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000"> </span><span style="font-variant-ligatures: no-common-ligatures; color: #3e1e81">alloc</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000">] </span><span style="font-variant-ligatures: no-common-ligatures; color: #3e1e81">initWithDevice</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000">:[</span><span style="font-variant-ligatures: no-common-ligatures">AVCaptureDevice</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000"> </span><span style="font-variant-ligatures: no-common-ligatures; color: #3e1e81">defaultDeviceWithMediaType</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000">:</span><span style="font-variant-ligatures: no-common-ligatures">AVMediaTypeVideo</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000">] </span><span style="font-variant-ligatures: no-common-ligatures; color: #3e1e81">error</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000">:&amp;error]</span></p>
<p style="margin: 0px; font-size: 14px; line-height: normal; font-family: Menlo; color: rgb(62, 30, 129);"><span style="font-variant-ligatures: no-common-ligatures">addOutput</span></p>
<p style="margin: 0px; font-size: 14px; line-height: normal; font-family: Menlo; color: rgb(112, 61, 170);"><span style="font-variant-ligatures: no-common-ligatures">AVCaptureVideoDataOutput</span></p>
视频（设置代理和 缓冲队列）：<span style="color: rgb(0, 0, 0); font-family: Menlo; font-size: 14px;">setSampleBufferDelegate:</span><br><p style="margin: 0px; font-size: 14px; line-height: normal; font-family: Menlo; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">queue:&nbsp;</span></p>
回调<span style="color: rgb(112, 61, 170); font-family: Menlo; font-size: 14px;">CMSampleBufferRef</span>
语音：<span style="color: rgb(0, 0, 0); font-family: Menlo; font-size: 14px;">setSampleBufferDelegate:</span> <p style="margin: 0px; font-size: 14px; line-height: normal; font-family: Menlo; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">queue:</span></p>
<p style="margin: 0px; font-size: 14px; line-height: normal; font-family: Menlo; color: rgb(112, 61, 170);"><span style="font-variant-ligatures: no-common-ligatures">AVCaptureConnection</span></p>
视频Connection：<span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">[</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(186, 45, 162);">self</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">.</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(79, 129, 135);">videoDataOutput</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);"> </span><span style="color: rgb(62, 30, 129); font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures;">connectionWithMediaType</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">:</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(112, 61, 170);">AVMediaTypeVideo</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">]</span>
语音Connection：<span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">[</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(186, 45, 162);">self</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">.</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(79, 129, 135);">audioDataOutput</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);"> </span><span style="color: rgb(62, 30, 129); font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures;">connectionWithMediaType</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">:</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(112, 61, 170);">AVMediaTypeAudio</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">]</span>
启动会
初始化：<span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">[[</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(112, 61, 170);">AVAssetWriter</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);"> </span><span style="color: rgb(62, 30, 129); font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures;">alloc</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">] </span><span style="color: rgb(62, 30, 129); font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures;">initWithURL</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">:[</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(112, 61, 170);">NSURL</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);"> </span><span style="color: rgb(62, 30, 129); font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures;">fileURLWithPath</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">:</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(186, 45, 162);">self</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">.</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(79, 129, 135);">tempFilePath</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">] </span><span style="color: rgb(62, 30, 129); font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures;">fileType</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">:</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(112, 61, 170);">AVFileTypeMPEG4</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);"> </span><span style="color: rgb(62, 30, 129); font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures;">error</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">:&amp;error]</span>
<p style="margin: 0px; font-size: 14px; line-height: normal; font-family: Menlo; color: rgb(62, 30, 129);"><span style="font-variant-ligatures: no-common-ligatures">addInput</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000">:</span></p>
视频输入的属性：<span style="color: rgb(112, 61, 170); font-family: Menlo; font-size: 14px;">AVMediaTypeVideo</span>
语音输入的属性：<span style="color: rgb(112, 61, 170); font-family: Menlo; font-size: 14px;">AVMediaTypeAudio</span>
<p style="margin: 0px; font-size: 14px; line-height: normal; font-family: Menlo; color: rgb(62, 30, 129);"><span style="font-variant-ligatures: no-common-ligatures; color: #000000">[[</span><span style="font-variant-ligatures: no-common-ligatures; color: #703daa">AVAssetWriterInput</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000"> </span><span style="font-variant-ligatures: no-common-ligatures">alloc</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000">] </span><span style="font-variant-ligatures: no-common-ligatures">initWithMediaType</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000">:</span><span style="font-variant-ligatures: no-common-ligatures; color: #703daa">AVMediaTypeVideo</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000"> </span><span style="font-variant-ligatures: no-common-ligatures">outputSettings</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000">:videoSettings </span><span style="font-variant-ligatures: no-common-ligatures">sourceFormatHint</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000">:videoFormatDescription];</span></p>
通过 DataOutPut 回调 缓冲数据：<span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">[</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(186, 45, 162);">self</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">.</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(79, 129, 135);">assetWriter</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);"> </span><span style="color: rgb(62, 30, 129); font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures;">startSessionAtSourceTime</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">:</span><span style="color: rgb(62, 30, 129); font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures;">CMSampleBufferGetPresentationTimeStamp</span><span style="font-family: Menlo; font-size: 14px; font-variant-ligatures: no-common-ligatures; color: rgb(0, 0, 0);">(sampleBuffer)];</span>
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