The portion of the file holding the audio data. The audio data might be compressed to save disk space. The data has to be decompressed using an audio decompressor before you can play (hear) it.

oftware component which decompresses audio. It must be designed to work with ACM or DirectShow . Note that different compression methods require different decompressors. There is no universal decompressor capable of decoding all compressed streams.

The portion of the file holding the video data. The video data might be compressed to save disk space. The data has to be decompressed using a video decompressor before you can play (see) it.

Software component that decompresses video. It must be designed to work with VFW or DirectShow . Note that different compression methods require different decompressors. There is no universal decompressor capable of decoding all compressed streams.

The portion of the file holding the close captioning data. This is usually the subtitles. The text at the bottom of the movie that displays the words for the audio in the movie.

ltmmConvert_Stream Constants

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typedef enum ltmmConvert_Stream
{
   ltmmConvert_Stream_Audio = 0x0001,
   ltmmConvert_Stream_Video = 0x0002,
   ltmmConvert_Stream_CC = 0x0004,
   ltmmConvert_Stream_Midi = 0x0008,
   ltmmConvert_Stream_Other = 0x0010,
   ltmmConvert_Stream_KLV = 0x0020,
} ltmmConvert_Stream;

The ltmmConvert_Stream constants specify the streams that have or haven't been rendered.

Constant	Description
ltmmConvert_Stream_Audio	[0x0001] Audio stream .
ltmmConvert_Stream_Video	[0x0002] Video stream .
ltmmConvert_Stream_CC	[0x0004] Close caption stream .
ltmmConvert_Stream_Midi	[0x0008] Midi stream.
ltmmConvert_Stream_Other	[0x0010] Undefined stream.
ltmmConvert_Stream_KLV	[0x0020] KLV stream.