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FF-1493: Added ability to save images to the file log

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This commit is contained in:
John Andrews
2024-04-24 19:00:20 +12:00
parent b6ce2d6aad
commit b6c17b6a94
1 changed files with 33 additions and 7 deletions
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VideoNodes/FfmpegBuilderNodes/Video/FfmpegBuilderCropBlackBars.cs
+33 -7
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@@ -1,5 +1,6 @@
using System.Diagnostics;
using System.IO;
using System.Text;
namespace FileFlows.VideoNodes.FfmpegBuilderNodes;
public class FfmpegBuilderCropBlackBars : FfmpegBuilderNode
@@ -208,10 +209,9 @@ public class FfmpegBuilderCropBlackBars : FfmpegBuilderNode
/// <param name="destination">The output image file path.</param>
/// <returns>True if the frame was extracted and saved successfully, otherwise false.</returns>
static bool ExtractFrameWithFFmpeg(NodeParameters args, string ffmpeg, string inputFile, int ss, string destination)
{ try
{
try
{
// Create process start info
// Start the process
using (Process process = new Process())
{
@@ -234,18 +234,44 @@ public class FfmpegBuilderCropBlackBars : FfmpegBuilderNode
process.StartInfo.ArgumentList.Add("-update");
process.StartInfo.ArgumentList.Add("1");
process.StartInfo.ArgumentList.Add(destination);
process.StartInfo.ArgumentList.Add("-y");
// Capture and display the output
// Capture and display the output and error messages separately
StringBuilder outputBuilder = new ();
StringBuilder errorBuilder = new ();
process.OutputDataReceived += (sender, e) => outputBuilder.AppendLine(e.Data);
process.ErrorDataReceived += (sender, e) => errorBuilder.AppendLine(e.Data);
process.Start();
string output = process.StandardError.ReadToEnd();
Console.WriteLine(output);
string error = process.StandardError.ReadToEnd();
// Begin asynchronous read operations on stdout and stderr
process.BeginOutputReadLine();
process.BeginErrorReadLine();
if (process.WaitForExit(20_000) == false)
{
process.Kill();
args.Logger?.ELog("Timed out extracting image");
Console.WriteLine(outputBuilder.ToString());
return File.Exists(destination);
}
// Get the output and error messages
string output = outputBuilder.ToString();
string error = errorBuilder.ToString();
// Log the output and error messages if needed
if (!string.IsNullOrWhiteSpace(output))
{
Console.WriteLine("Output from ffmpeg:");
Console.WriteLine(output);
}
if (!string.IsNullOrWhiteSpace(error))
{
args.Logger?.WLog($"Error from ffmpeg: {error}");
}
if (File.Exists(destination))
return true;
args.Logger?.WLog($"Error extracting frame: {error}");