Mirrors/flowframes
1
0
Fork 0
mirror of https://github.com/n00mkrad/flowframes.git synced 2025-12-24 04:09:29 +01:00
Code Issues Packages Projects Releases Wiki Activity

Full VFR handling including FPS downsampling to CFR

Browse Source
This commit is contained in:
N00MKRAD
2024-11-28 16:08:04 +01:00
parent 32eeac578d
commit defff4f29c
21 changed files with 189 additions and 194 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
CodeLegacy/Data/MediaFile.cs
View File

@@ -24,7 +24,7 @@ namespace Flowframes.Data
public string Format;
public string Title;
public string Language;
public Fraction? InputRate = null;
public Fraction InputRate;
public long DurationMs;
public int StreamCount;
public int TotalKbits;
@@ -42,6 +42,8 @@ namespace Flowframes.Data
public bool IsVfr = false;
public List<float> InputTimestamps = new List<float>();
public List<float> InputTimestampDurations = new List<float>();
public List<float> OutputTimestamps = new List<float>();
public List<int> OutputFrameIndexes = null;
public int FileCount = 1;
public int FrameCount { get { return VideoStreams.Count > 0 ? VideoStreams[0].FrameCount : 0; } }
@@ -140,35 +142,6 @@ namespace Flowframes.Data
TotalKbits = (await GetVideoInfo.GetFfprobeInfoAsync(path, GetVideoInfo.FfprobeMode.ShowFormat, "bit_rate")).GetInt() / 1000;
}
public List<float> GetResampledTimestamps(List<float> timestamps, double factor)
{
int originalCount = timestamps.Count;
int newCount = (int)Math.Round(originalCount * factor);
List<float> resampledTimestamps = new List<float>();
for (int i = 0; i < newCount; i++)
{
double x = i / factor;
if (x >= originalCount - 1)
{
resampledTimestamps.Add(timestamps[originalCount - 1]);
}
else
{
int index = (int)Math.Floor(x);
double fraction = x - index;
float startTime = timestamps[index];
float endTime = timestamps[index + 1];
float interpolatedTime = (float)(startTime + (endTime - startTime) * fraction);
resampledTimestamps.Add(interpolatedTime);
}
}
return resampledTimestamps;
}
public string GetName()
{
if (IsDirectory)