LEADTOOLS Multimedia API Help > LEADTOOLS Multimedia Features > Multimedia File Formats > Multimedia Format and Media Constants > ltmmDVDControl Enumeration Constants > ltmmDVD_AUDIO_LANG_EXT constants |
typedef enum ltmmDVD_AUDIO_LANG_EXT
{
ltmmDVD_AUD_EXT_NotSpecified = 0,
ltmmDVD_AUD_EXT_Captions =1,
ltmmDVD_AUD_EXT_VisuallyImpaired =2,
ltmmDVD_AUD_EXT_DirectorComments1 =3,
ltmmDVD_AUD_EXT_DirectorComments2 =4,
} ltmmDVD_AUDIO_LANG_EXT;
The ltmmDVD_AUDIO_LANG_EXT constants indicate whether an audio stream contains audio language extensions, and if so, what kind of audio language extensions. The values listed below can be used with some of the IltmmDVDControl interface functions.
Constant |
Description |
ltmmDVD_AUD_EXT_NotSpecified |
[0] The digital video disc (DVD) doesn't specify an audio language extension for this audio stream. |
ltmmDVD_AUD_EXT_Captions |
[1] The audio stream contains captions. |
ltmmDVD_AUD_EXT_VisuallyImpaired |
[2] The audio stream contains content for people with low vision. |
ltmmDVD_AUD_EXT_DirectorComments1 |
[3] The audio stream contains "director comments 1." |
ltmmDVD_AUD_EXT_DirectorComments2 |
[4] The audio stream contains "director comments 2." |
Comments
For more detailed information, see the Microsoft documentation for the DVD_AUDIO_LANG_EXT Enumeration.
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.