/// <summary>
/// Gets the name of the output video codec
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.String.</returns>
protected string GetVideoDecoder(EncodingJob state)
{
if (string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
{
return(null);
}
// Only use alternative encoders for video files.
// When using concat with folder rips, if the mfx session fails to initialize, ffmpeg will be stuck retrying and will not exit gracefully
// Since transcoding of folder rips is expiremental anyway, it's not worth adding additional variables such as this.
if (state.VideoType != VideoType.VideoFile)
{
return(null);
}
if (state.VideoStream != null && !string.IsNullOrWhiteSpace(state.VideoStream.Codec))
{
if (string.Equals(GetEncodingOptions().HardwareAccelerationType, "qsv", StringComparison.OrdinalIgnoreCase))
{
switch (state.MediaSource.VideoStream.Codec.ToLower())
{
case "avc":
case "h264":
if (MediaEncoder.SupportsDecoder("h264_qsv"))
{
// Seeing stalls and failures with decoding. Not worth it compared to encoding.
return("-c:v h264_qsv ");
}
break;
case "mpeg2video":
if (MediaEncoder.SupportsDecoder("mpeg2_qsv"))
{
return("-c:v mpeg2_qsv ");
}
break;
case "vc1":
if (MediaEncoder.SupportsDecoder("vc1_qsv"))
{
return("-c:v vc1_qsv ");
}
break;
}
}
}
// leave blank so ffmpeg will decide
return(null);
}
/// <summary>
/// Gets the name of the output video codec
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.String.</returns>
protected string GetVideoDecoder(EncodingJob state)
{
if (string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
{
return(null);
}
if (state.VideoStream != null && !string.IsNullOrWhiteSpace(state.VideoStream.Codec))
{
if (string.Equals(GetEncodingOptions().HardwareAccelerationType, "qsv", StringComparison.OrdinalIgnoreCase))
{
switch (state.MediaSource.VideoStream.Codec.ToLower())
{
case "avc":
case "h264":
if (MediaEncoder.SupportsDecoder("h264_qsv"))
{
// Seeing stalls and failures with decoding. Not worth it compared to encoding.
return("-c:v h264_qsv ");
}
break;
case "mpeg2video":
if (MediaEncoder.SupportsDecoder("mpeg2_qsv"))
{
return("-c:v mpeg2_qsv ");
}
break;
case "vc1":
if (MediaEncoder.SupportsDecoder("vc1_qsv"))
{
return("-c:v vc1_qsv ");
}
break;
}
}
}
// leave blank so ffmpeg will decide
return(null);
}
/// <summary>
/// Gets the name of the output video codec
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.String.</returns>
protected string GetVideoDecoder(EncodingJob state)
{
if (string.Equals(GetEncodingOptions().HardwareVideoDecoder, "qsv", StringComparison.OrdinalIgnoreCase))
{
if (state.VideoStream != null && !string.IsNullOrWhiteSpace(state.VideoStream.Codec))
{
switch (state.MediaSource.VideoStream.Codec.ToLower())
{
case "avc":
case "h264":
if (MediaEncoder.SupportsDecoder("h264_qsv"))
{
return("-c:v h264_qsv ");
}
break;
case "mpeg2video":
if (MediaEncoder.SupportsDecoder("mpeg2_qsv"))
{
return("-c:v mpeg2_qsv ");
}
break;
case "vc1":
if (MediaEncoder.SupportsDecoder("vc1_qsv"))
{
return("-c:v vc1_qsv ");
}
break;
}
}
}
// leave blank so ffmpeg will decide
return(null);
}