/// <summary>
/// Create an indexer of a media file
/// </summary>
/// <remarks>
/// <para>In FFMS2, the equivalent is <c>FFMS_CreateIndexer</c> or <c>FFMS_CreateIndexerWithDemuxer</c>.</para>
/// <para>The chosen demuxer gets used for both indexing and decoding later on. Only force one if you know what you're doing.</para>
/// <para>Picking a demuxer that doesn't work on your file will not cause automatic fallback on lavf or automatic probing; it'll just cause indexer creation to fail.</para>
/// </remarks>
/// <param name="sourceFile">The media file</param>
/// <param name="demuxer">What demuxer to use</param>
/// <exception cref="System.IO.FileLoadException">Failure to load the media file</exception>
public Indexer(string sourceFile, Source demuxer = Source.Default)
{
if (sourceFile == null)
{
throw new ArgumentNullException(@"sourceFile");
}
var err = new FFMS_ErrorInfo
{
BufferSize = 1024,
Buffer = new String((char)0, 1024)
};
byte[] sourceFileBytes = Encoding.UTF8.GetBytes(sourceFile);
_handle = NativeMethods.FFMS_CreateIndexerWithDemuxer(sourceFileBytes, (int)demuxer, ref err);
if (!_handle.IsInvalid)
{
return;
}
if (err.ErrorType == FFMS_Errors.FFMS_ERROR_PARSER && err.SubType == FFMS_Errors.FFMS_ERROR_FILE_READ)
{
throw new System.IO.FileLoadException(err.Buffer);
}
throw new NotImplementedException(string.Format(System.Globalization.CultureInfo.CurrentCulture, "Unknown FFMS2 error encountered: ({0}, {1}, '{2}'). Please report this issue on FFMSSharp's GitHub.", err.ErrorType, err.SubType, err.Buffer));
}
public static extern SafeIndexHandle FFMS_DoIndexing(SafeIndexerHandle Indexer, int IndexMask, int DumpMask, TAudioNameCallback ANC, [MarshalAs(UnmanagedType.LPStr)] string ANCPrivate, int ErrorHandling, TIndexCallback IC, IntPtr ICPrivate, ref FFMS_ErrorInfo ErrorInfo);
public static extern IntPtr FFMS_GetFormatNameI(SafeIndexerHandle Indexer);
public static extern IntPtr FFMS_GetCodecNameI(SafeIndexerHandle Indexer, int Track);
public static extern int FFMS_GetTrackTypeI(SafeIndexerHandle Indexer, int Track);
public static extern int FFMS_GetNumTracksI(SafeIndexerHandle Indexer);
public static extern int FFMS_GetSourceTypeI(SafeIndexerHandle Indexer);
public static extern int FFMS_GetTrackTypeI(SafeIndexerHandle Indexer, int Track);
/// <summary>
/// Create an indexer of a media file
/// </summary>
/// <remarks>
/// <para>In FFMS2, the equivalent is <c>FFMS_CreateIndexer</c> or <c>FFMS_CreateIndexerWithDemuxer</c>.</para>
/// <para>The chosen demuxer gets used for both indexing and decoding later on. Only force one if you know what you're doing.</para>
/// <para>Picking a demuxer that doesn't work on your file will not cause automatic fallback on lavf or automatic probing; it'll just cause indexer creation to fail.</para>
/// </remarks>
/// <param name="sourceFile">The media file</param>
/// <param name="demuxer">What demuxer to use</param>
/// <exception cref="System.IO.FileLoadException">Failure to load the media file</exception>
public Indexer(string sourceFile, Source demuxer = Source.Default)
{
if (sourceFile == null) throw new ArgumentNullException(@"sourceFile");
var err = new FFMS_ErrorInfo
{
BufferSize = 1024,
Buffer = new String((char) 0, 1024)
};
byte[] sourceFileBytes = Encoding.UTF8.GetBytes(sourceFile);
_handle = NativeMethods.FFMS_CreateIndexerWithDemuxer(sourceFileBytes, (int)demuxer, ref err);
if (!_handle.IsInvalid) return;
if (err.ErrorType == FFMS_Errors.FFMS_ERROR_PARSER && err.SubType == FFMS_Errors.FFMS_ERROR_FILE_READ)
throw new System.IO.FileLoadException(err.Buffer);
throw new NotImplementedException(string.Format(System.Globalization.CultureInfo.CurrentCulture, "Unknown FFMS2 error encountered: ({0}, {1}, '{2}'). Please report this issue on FFMSSharp's GitHub.", err.ErrorType, err.SubType, err.Buffer));
}
public static extern int FFMS_GetSourceTypeI(SafeIndexerHandle Indexer);
public static extern int FFMS_GetNumTracksI(SafeIndexerHandle Indexer);
public static extern IntPtr FFMS_GetFormatNameI(SafeIndexerHandle Indexer);
public static extern IntPtr FFMS_GetCodecNameI(SafeIndexerHandle Indexer, int Track);
public static extern SafeIndexHandle FFMS_DoIndexing(SafeIndexerHandle Indexer, int IndexMask, int DumpMask, TAudioNameCallback ANC, [MarshalAs(UnmanagedType.LPStr)] string ANCPrivate, int ErrorHandling, TIndexCallback IC, IntPtr ICPrivate, ref FFMS_ErrorInfo ErrorInfo);
