/// <summary>
/// 获取已经显示的图片数
/// </summary>
/// <param name="libvlc_media_player"></param>
/// <returns></returns>
private int GetDisplayedPictures(libvlc_media_player_t libvlc_media_player)
{
libvlc_media_t media = IntPtr.Zero;
libvlc_media_stats_t media_stats = new libvlc_media_stats_t();
try
{
if (libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return(0);
}
media = SafeNativeMethods.libvlc_media_player_get_media(libvlc_media_player);
if (media == IntPtr.Zero || media == null)
{
return(0);
}
if (1 == SafeNativeMethods.libvlc_media_get_stats(media, ref media_stats))
{
return(media_stats.i_displayed_pictures);
}
else
{
return(0);
}
}
catch (Exception)
{
return(0);
}
}
public static MediaStatistics ToMediaStatistics(this libvlc_media_stats_t stats)
{
MediaStatistics ms = new MediaStatistics();
ms.DecodedAudio = stats.i_decoded_audio;
ms.DecodedVideo = stats.i_decoded_video;
ms.DemuxBitrate = stats.f_demux_bitrate;
ms.DemuxCorrupted = stats.i_demux_corrupted;
ms.DemuxDiscontinuity = stats.i_demux_discontinuity;
ms.DemuxReadBytes = stats.i_demux_read_bytes;
ms.DisplayedPictures = stats.i_displayed_pictures;
ms.InputBitrate = stats.f_input_bitrate;
ms.LostAbuffers = stats.i_lost_abuffers;
ms.LostPictures = stats.i_lost_pictures;
ms.PlayedAbuffers = stats.i_played_abuffers;
ms.ReadBytes = stats.i_read_bytes;
ms.SendBitrate = stats.f_send_bitrate;
ms.SentBytes = stats.i_sent_bytes;
ms.SentPackets = stats.i_sent_packets;
return(ms);
}
public static VLCMediaStats GetStats(IVLCObject Object)
{
//IntPtr StatsPtr = Transform.StructDefToPtr<libvlc_media_stats_t>();
var SizeOf = Marshal.SizeOf(typeof(libvlc_media_stats_t));
var structs = new libvlc_media_stats_t();
var StatsPtr = Marshal.AllocHGlobal(SizeOf);
Marshal.StructureToPtr(structs, StatsPtr, false);
Boolean Success = NativeMethods.libvlc_media_get_stats(Object.Handle, StatsPtr) > 0;
if (Success)
{
Success = false;
libvlc_media_stats_t MediaStats;
try
{
MediaStats = Transform.ToStructure <libvlc_media_stats_t>(StatsPtr);
Success = true;
}
finally
{
Transform.Free(StatsPtr);
}
return((Success) ? new VLCMediaStats(MediaStats) : null);
}
return(null);
}
internal static extern int libvlc_media_get_stats(libvlc_media_t libvlc_media, ref libvlc_media_stats_t lib_vlc_media_stats);
public static extern bool libvlc_media_get_stats(IntPtr libvlc_media_t, ref libvlc_media_stats_t p_stats);
internal VLCMediaStats(libvlc_media_stats_t StatsStruct)
{
this.stats = StatsStruct;
Demux = new VLCStatsDemux(StatsStruct);
}
internal VLCStatsDemux(libvlc_media_stats_t StatsStruct)
{
this.stats = StatsStruct;
}
