//==========================================================================
public int libvlc_media_get_tracks_info(IntPtr p_md, out libvlc_media_track_info_t[] tracks)
{
VerifyAccess();
IntPtr result_buffer;
int result = m_libvlc_media_get_tracks_info(p_md, out result_buffer);
if (result < 0)
{
tracks = null;
return(result);
}
IntPtr buffer = result_buffer;
tracks = new libvlc_media_track_info_t[result];
for (int i = 0; i < tracks.Length; i++)
{
tracks[i] = (libvlc_media_track_info_t)Marshal.PtrToStructure(buffer, typeof(libvlc_media_track_info_t));
buffer += Marshal.SizeOf(typeof(libvlc_media_track_info_t));
}
libvlc_free(result_buffer);
return(result);
}
internal MediaTrackInfos(libvlc_media_track_info_t info)
{
Codec = info.i_codec;
Id = info.i_id;
TrackType = (MediaTrackTypes)info.i_type;
Profile = info.i_profile;
Level = info.i_level;
AudioChannels = info.audio.i_channels;
AudioRate = info.audio.i_rate;
VideoHeight = info.video.i_height;
VideoWidth = info.video.i_width;
}
/// <summary>
/// Returns information about tracks retrieved after <see cref="Parse"/> call.
/// </summary>
/// <returns>
/// A <see cref="libvlc_media_track_info_t[]"/> array of tracks.
/// </returns>
public libvlc_media_track_info_t[] GetTracksInfo()
{
if (tracksInfo != null && tracksInfo.Length > 0)
{
libvlc_media_track_info_t[] tracks = new libvlc_media_track_info_t[tracksInfo.Length];
tracksInfo.CopyTo(tracks, 0);
return(tracks);
}
else
{
return(new libvlc_media_track_info_t[] {});
}
}
public static MediaTrackInfo ToMediaInfo(this libvlc_media_track_info_t tInfo)
{
MediaTrackInfo mti = new MediaTrackInfo();
mti.Channels = tInfo.audio.i_channels;
mti.Codec = tInfo.i_codec;
mti.Height = tInfo.video.i_width;
mti.Id = tInfo.i_id;
mti.Level = tInfo.i_level;
mti.Profile = tInfo.i_profile;
mti.Rate = tInfo.audio.i_rate;
mti.Width = tInfo.video.i_width;
return(mti);
}
//==========================================================================
public int libvlc_media_get_tracks_info(IntPtr p_md, out libvlc_media_track_info_t[] tracks)
{
VerifyAccess();
IntPtr result_buffer;
int result = m_libvlc_media_get_tracks_info(p_md, out result_buffer);
if(result < 0)
{
tracks = null;
return result;
}
IntPtr buffer = result_buffer;
tracks = new libvlc_media_track_info_t[result];
for(int i = 0; i < tracks.Length; i++)
{
tracks[i] = (libvlc_media_track_info_t)Marshal.PtrToStructure(buffer, typeof(libvlc_media_track_info_t));
buffer += Marshal.SizeOf(typeof(libvlc_media_track_info_t));
}
libvlc_free(result_buffer);
return result;
}
