基于VLC的Unity视频播放器(一)
思路来自 http://blog.csdn.net/yechen2320374/article/details/52226294
系统是64位的,因为我用的VLC的类库是64位的,用64位的Unity导出exe时选择x86_64,导出后需要将工程中Plugins下的plugins文件夹拷贝到发布后的Plugins文件夹下
工程地址https://gitee.com/awnuxcvbn/UnityVLC.git
using System;
using System.Text;
using System.Runtime.InteropServices;
using System.Security;
using System.IO;
using System.Threading;
namespace Net.Media
{
//定义替代变量
using libvlc_media_t = System.IntPtr;
using libvlc_media_player_t = System.IntPtr;
using libvlc_instance_t = System.IntPtr;
public class MediaPlayer
{
#region 全局变量
//数组转换为指针
internal struct PointerToArrayOfPointerHelper
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 11)]
public IntPtr[] pointers;
}
//vlc库启动参数配置
//private static string pluginPath = System.Environment.CurrentDirectory + "\\Plugins\\VLC\\plugins\\";
private static string pluginPath = @UnityEngine.Application.dataPath + "/Plugins/";
private static string plugin_arg = "--plugin-path=" + pluginPath;
//用于播放节目时,转录节目
//private static string program_arg = "--sout=#duplicate{dst=std{access=file,mux=ts,dst=d:/test.ts}}";
private static string[] arguments = { "-I", "dummy", "--ignore-config", "--no-video-title", plugin_arg };//, program_arg };
#region 结构体
public struct libvlc_media_stats_t
{
/* Input */
public int i_read_bytes;
public float f_input_bitrate;
/* Demux */
public int i_demux_read_bytes;
public float f_demux_bitrate;
public int i_demux_corrupted;
public int i_demux_discontinuity;
/* Decoders */
public int i_decoded_video;
public int i_decoded_audio;
/* Video Output */
public int i_displayed_pictures;
public int i_lost_pictures;
/* Audio output */
public int i_played_abuffers;
public int i_lost_abuffers;
/* Stream output */
public int i_sent_packets;
public int i_sent_bytes;
public float f_send_bitrate;
}
#endregion
#endregion
#region 公开函数
/// <summary>
/// 创建VLC播放资源索引
/// </summary>
/// <param name="arguments"></param>
/// <returns></returns>
public static libvlc_instance_t Create_Media_Instance()
{
libvlc_instance_t libvlc_instance = IntPtr.Zero;
IntPtr argvPtr = IntPtr.Zero;
try
{
if (arguments.Length == 0 ||
arguments == null)
{
return IntPtr.Zero;
}
//将string数组转换为指针
argvPtr = StrToIntPtr(arguments);
if (argvPtr == null || argvPtr == IntPtr.Zero)
{
return IntPtr.Zero;
}
//设置启动参数
libvlc_instance = SafeNativeMethods.libvlc_new(arguments.Length, argvPtr);
if (libvlc_instance == null || libvlc_instance == IntPtr.Zero)
{
return IntPtr.Zero;
}
return libvlc_instance;
}
catch
{
return IntPtr.Zero;
}
}
/// <summary>
/// 释放VLC播放资源索引
/// </summary>
/// <param name="libvlc_instance">VLC 全局变量</param>
public static void Release_Media_Instance(libvlc_instance_t libvlc_instance)
{
try
{
if (libvlc_instance != IntPtr.Zero ||
libvlc_instance != null)
{
SafeNativeMethods.libvlc_release(libvlc_instance);
}
libvlc_instance = IntPtr.Zero;
}
catch (Exception)
{
libvlc_instance = IntPtr.Zero;
}
}
/// <summary>
/// 创建VLC播放器
/// </summary>
/// <param name="libvlc_instance">VLC 全局变量</param>
/// <param name="handle">VLC MediaPlayer需要绑定显示的窗体句柄</param>
/// <returns></returns>
public static libvlc_media_player_t Create_MediaPlayer(libvlc_instance_t libvlc_instance, IntPtr handle)
{
libvlc_media_player_t libvlc_media_player = IntPtr.Zero;
try
{
if (libvlc_instance == IntPtr.Zero ||
libvlc_instance == null ||
handle == IntPtr.Zero ||
handle == null)
{
return IntPtr.Zero;
}
//创建播放器
libvlc_media_player = SafeNativeMethods.libvlc_media_player_new(libvlc_instance);
if (libvlc_media_player == null || libvlc_media_player == IntPtr.Zero)
{
return IntPtr.Zero;
}
//设置播放窗口
//SafeNativeMethods.libvlc_media_player_set_hwnd(libvlc_media_player, (int)handle);
return libvlc_media_player;
}
catch
{
SafeNativeMethods.libvlc_media_player_release(libvlc_media_player);
return IntPtr.Zero;
}
}
/// <summary>
/// 释放媒体播放器
/// </summary>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
public static void Release_MediaPlayer(libvlc_media_player_t libvlc_media_player)
{
try
{
if (libvlc_media_player != IntPtr.Zero ||
libvlc_media_player != null)
{
if (SafeNativeMethods.libvlc_media_player_is_playing(libvlc_media_player))
{
SafeNativeMethods.libvlc_media_player_stop(libvlc_media_player);
}
SafeNativeMethods.libvlc_media_player_release(libvlc_media_player);
}
libvlc_media_player = IntPtr.Zero;
}
catch (Exception e)
{
UnityEngine.Debug.LogError(e.Message);
libvlc_media_player = IntPtr.Zero;
}
}
/// <summary>
/// 播放网络媒体
/// </summary>
/// <param name="libvlc_instance">VLC 全局变量</param>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
/// <param name="url">网络视频URL,支持http、rtp、udp等格式的URL播放</param>
/// <returns></returns>
public static bool NetWork_Media_Play(libvlc_instance_t libvlc_instance, libvlc_media_player_t libvlc_media_player, string url)
{
IntPtr pMrl = IntPtr.Zero;
libvlc_media_t libvlc_media = IntPtr.Zero;
try
{
if (url == null ||
libvlc_instance == IntPtr.Zero ||
libvlc_instance == null ||
libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return false;
}
UnityEngine.Debug.Log("url:" + url);
pMrl = StrToIntPtr(url);
if (pMrl == null || pMrl == IntPtr.Zero)
{
return false;
}
//播放网络文件
libvlc_media = SafeNativeMethods.libvlc_media_new_location(libvlc_instance, pMrl);
if (libvlc_media == null || libvlc_media == IntPtr.Zero)
{
return false;
}
SafeNativeMethods.libvlc_media_parse(libvlc_media);
long duration = SafeNativeMethods.libvlc_media_get_duration(libvlc_media);
UnityEngine.Debug.Log("duration: " + duration / 1000);
//将Media绑定到播放器上
SafeNativeMethods.libvlc_media_player_set_media(libvlc_media_player, libvlc_media);
//释放libvlc_media资源
SafeNativeMethods.libvlc_media_release(libvlc_media);
libvlc_media = IntPtr.Zero;
if (0 != SafeNativeMethods.libvlc_media_player_play(libvlc_media_player))
{
return false;
}
//休眠指定时间
Thread.Sleep(500);
return true;
}
catch (Exception e)
{
UnityEngine.Debug.LogError(e.Message);
//释放libvlc_media资源
if (libvlc_media != IntPtr.Zero)
{
SafeNativeMethods.libvlc_media_release(libvlc_media);
}
libvlc_media = IntPtr.Zero;
return false;
}
}
public static void SetFormart(libvlc_media_player_t libvlc_media_player, string formart, int width, int height, int pitch)
{
SafeNativeMethods.libvlc_video_set_format(libvlc_media_player, StrToIntPtr(formart), width, height, pitch);
}
public static int GetMediaWidth(libvlc_media_player_t libvlc_media_player)
{
int width = SafeNativeMethods.libvlc_video_get_width(libvlc_media_player);
UnityEngine.Debug.Log("width: " + width);
return width;
}
public static int GetMediaHeight(libvlc_media_player_t libvlc_media_player)
{
int height = SafeNativeMethods.libvlc_video_get_height(libvlc_media_player);
UnityEngine.Debug.Log("height: " + height);
return height;
}
/// <summary>
/// 暂停或恢复视频
/// </summary>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
/// <returns></returns>
public static bool MediaPlayer_Pause(libvlc_media_player_t libvlc_media_player)
{
try
{
if (libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return false;
}
if (SafeNativeMethods.libvlc_media_player_can_pause(libvlc_media_player))
{
SafeNativeMethods.libvlc_media_player_pause(libvlc_media_player);
return true;
}
else
{
return false;
}
}
catch (Exception e)
{
UnityEngine.Debug.LogError(e.Message);
return false;
}
}
/// <summary>
/// 停止播放
/// </summary>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
/// <returns></returns>
public static bool MediaPlayer_Stop(libvlc_media_player_t libvlc_media_player)
{
try
{
if (libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return false;
}
SafeNativeMethods.libvlc_media_player_stop(libvlc_media_player);
return true;
}
catch (Exception e)
{
UnityEngine.Debug.LogError(e.Message);
return false;
}
}
/// <summary>
/// 快进
/// </summary>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
/// <returns></returns>
public static bool MediaPlayer_Forward(libvlc_media_player_t libvlc_media_player)
{
double time = 0;
try
{
if (libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return false;
}
if (SafeNativeMethods.libvlc_media_player_is_seekable(libvlc_media_player))
{
time = SafeNativeMethods.libvlc_media_player_get_time(libvlc_media_player) / 1000.0;
if (time == -1)
{
return false;
}
SafeNativeMethods.libvlc_media_player_set_time(libvlc_media_player, (Int64)((time + 30) * 1000));
return true;
}
else
{
return false;
}
}
catch (Exception e)
{
UnityEngine.Debug.LogError(e.Message);
return false;
}
}
/// <summary>
/// 快退
/// </summary>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
/// <returns></returns>
public static bool MediaPlayer_Back(libvlc_media_player_t libvlc_media_player)
{
double time = 0;
try
{
if (libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return false;
}
if (SafeNativeMethods.libvlc_media_player_is_seekable(libvlc_media_player))
{
time = SafeNativeMethods.libvlc_media_player_get_time(libvlc_media_player) / 1000.0;
if (time == -1)
{
return false;
}
if (time - 30 < 0)
{
SafeNativeMethods.libvlc_media_player_set_time(libvlc_media_player, (Int64)(1 * 1000));
}
else
{
SafeNativeMethods.libvlc_media_player_set_time(libvlc_media_player, (Int64)((time - 30) * 1000));
}
return true;
}
else
{
return false;
}
}
catch (Exception e)
{
UnityEngine.Debug.LogError(e.Message);
return false;
}
}
/// <summary>
/// VLC MediaPlayer是否在播放
/// </summary>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
/// <returns></returns>
public static bool MediaPlayer_IsPlaying(libvlc_media_player_t libvlc_media_player)
{
try
{
if (libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return false;
}
return SafeNativeMethods.libvlc_media_player_is_playing(libvlc_media_player);
}
catch (Exception e)
{
UnityEngine.Debug.LogError(e.Message);
return false;
}
}
/// <summary>
/// 录制快照
/// </summary>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
/// <param name="path">快照要存放的路径</param>
/// <param name="name">快照保存的文件名称</param>
/// <returns></returns>
public static bool TakeSnapShot(libvlc_media_player_t libvlc_media_player, string path, string name)
{
try
{
string snap_shot_path = null;
if (libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return false;
}
//if (!Directory.Exists(path))
//{
// Directory.CreateDirectory(path);
//}
snap_shot_path = path + "\\" + name;
if (0 == SafeNativeMethods.libvlc_video_take_snapshot(libvlc_media_player, 0, snap_shot_path.ToCharArray(), 1024, 576))
{
return true;
}
else
{
return false;
}
}
catch (Exception e)
{
UnityEngine.Debug.LogError(e.Message);
return false;
}
}
/// <summary>
/// 获取信息
/// </summary>
/// <param name="libvlc_media_player"></param>
/// <returns></returns>
public static bool GetMedia(libvlc_media_player_t libvlc_media_player)
{
libvlc_media_t media = IntPtr.Zero;
try
{
if (libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return false;
}
media = SafeNativeMethods.libvlc_media_player_get_media(libvlc_media_player);
if (media == IntPtr.Zero || media == null)
{
return false;
}
else
{
return true;
}
}
catch (Exception e)
{
UnityEngine.Debug.LogError(e.Message);
return false;
}
}
/// <summary>
/// 获取已经显示的图片数
/// </summary>
/// <param name="libvlc_media_player"></param>
/// <returns></returns>
public static 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;
}
}
/// <summary>
/// 设置全屏
/// </summary>
/// <param name="libvlc_media_player"></param>
/// <param name="isFullScreen"></param>
public static bool SetFullScreen(libvlc_media_player_t libvlc_media_player, int isFullScreen)
{
try
{
if (libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return false;
}
SafeNativeMethods.libvlc_set_fullscreen(libvlc_media_player, isFullScreen);
return true;
}
catch (Exception)
{
return false;
}
}
public static void SetCallbacks(libvlc_media_player_t libvlc_media_player,VideoLockCB lockcb,VideoUnlockCB unlockcb, VideoDisplayCB displaycb, IntPtr opaque)
{
try
{
SafeNativeMethods.libvlc_video_set_callbacks(libvlc_media_player, lockcb, unlockcb, displaycb, opaque);
UnityEngine.Debug.Log("SetCallbacks");
}
catch (Exception e)
{
UnityEngine.Debug.LogError(e.Message);
}
}
#endregion
public delegate IntPtr VideoLockCB(IntPtr opaque, IntPtr planes);
public delegate void VideoUnlockCB(IntPtr opaque, IntPtr picture, IntPtr planes);
//显示图片
public delegate void VideoDisplayCB(IntPtr opaque, IntPtr picture);
#region 私有函数
//将string []转换为IntPtr
public static IntPtr StrToIntPtr(string[] args)
{
try
{
IntPtr ip_args = IntPtr.Zero;
PointerToArrayOfPointerHelper argv = new PointerToArrayOfPointerHelper();
argv.pointers = new IntPtr[11];
for (int i = 0; i < args.Length; i++)
{
argv.pointers[i] = Marshal.StringToHGlobalAnsi(args[i]);
}
int size = Marshal.SizeOf(typeof(PointerToArrayOfPointerHelper));
ip_args = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(argv, ip_args, false);
return ip_args;
}
catch (Exception)
{
return IntPtr.Zero;
}
}
//将string转换为IntPtr
private static IntPtr StrToIntPtr(string url)
{
try
{
if (string.IsNullOrEmpty(url))
{
return IntPtr.Zero;
}
IntPtr pMrl = IntPtr.Zero;
byte[] bytes = Encoding.UTF8.GetBytes(url);
pMrl = Marshal.AllocHGlobal(bytes.Length + 1);
Marshal.Copy(bytes, 0, pMrl, bytes.Length);
Marshal.WriteByte(pMrl, bytes.Length, 0);
return pMrl;
}
catch (Exception)
{
return IntPtr.Zero;
}
}
#endregion
#region 导入库函数
[SuppressUnmanagedCodeSecurity]
internal static class SafeNativeMethods
{
// 创建一个libvlc实例,它是引用计数的
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern libvlc_instance_t libvlc_new(int argc, IntPtr argv);
// 释放libvlc实例
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_release(libvlc_instance_t libvlc_instance);
//获取libvlc的版本
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern String libvlc_get_version();
//从视频来源(例如http、rtsp)构建一个libvlc_meida
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern libvlc_media_t libvlc_media_new_location(libvlc_instance_t libvlc_instance, IntPtr path);
//从本地文件路径构建一个libvlc_media
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern libvlc_media_t libvlc_media_new_path(libvlc_instance_t libvlc_instance, IntPtr path);
//释放libvlc_media
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_media_release(libvlc_media_t libvlc_media_inst);
// 创建一个空的播放器
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern libvlc_media_player_t libvlc_media_player_new(libvlc_instance_t libvlc_instance);
//从libvlc_media构建播放器
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern libvlc_media_player_t libvlc_media_player_new_from_media(libvlc_media_t libvlc_media);
//释放播放器资源
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_media_player_release(libvlc_media_player_t libvlc_mediaplayer);
// 将视频(libvlc_media)绑定到播放器上
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_media_player_set_media(libvlc_media_player_t libvlc_media_player, libvlc_media_t libvlc_media);
// 设置编码
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_video_set_format(libvlc_media_player_t libvlc_media_player, IntPtr chroma, Int32 width, Int32 height, Int32 pitch);
// 视频每一帧的数据信息
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_video_set_callbacks(libvlc_media_player_t libvlc_mediaplayer,
VideoLockCB lockCB,
VideoUnlockCB unlockCB,
VideoDisplayCB displayCB,
IntPtr opaque);
// 设置图像输出的窗口
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_media_player_set_hwnd(libvlc_media_player_t libvlc_mediaplayer, Int32 drawable);
//播放器播放
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern int libvlc_media_player_play(libvlc_media_player_t libvlc_mediaplayer);
//播放器暂停
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_media_player_pause(libvlc_media_player_t libvlc_mediaplayer);
//播放器停止
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_media_player_stop(libvlc_media_player_t libvlc_mediaplayer);
// 解析视频资源的媒体信息(如时长等)
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_media_parse(libvlc_media_t libvlc_media);
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern Int32 libvlc_video_get_width(libvlc_media_player_t libvlc_mediaplayer);
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern Int32 libvlc_video_get_height(libvlc_media_player_t libvlc_mediaplayer);
// 返回视频的时长(必须先调用libvlc_media_parse之后,该函数才会生效)
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern Int64 libvlc_media_get_duration(libvlc_media_t libvlc_media);
// 当前播放时间
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern Int64 libvlc_media_player_get_time(libvlc_media_player_t libvlc_mediaplayer);
// 设置播放时间
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_media_player_set_time(libvlc_media_player_t libvlc_mediaplayer, Int64 time);
// 获取音量
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern int libvlc_audio_get_volume(libvlc_media_player_t libvlc_media_player);
//设置音量
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_audio_set_volume(libvlc_media_player_t libvlc_media_player, int volume);
// 设置全屏
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_set_fullscreen(libvlc_media_player_t libvlc_media_player, int isFullScreen);
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern int libvlc_get_fullscreen(libvlc_media_player_t libvlc_media_player);
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void libvlc_toggle_fullscreen(libvlc_media_player_t libvlc_media_player);
//判断播放时是否在播放
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern bool libvlc_media_player_is_playing(libvlc_media_player_t libvlc_media_player);
//判断播放时是否能够Seek
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern bool libvlc_media_player_is_seekable(libvlc_media_player_t libvlc_media_player);
//判断播放时是否能够Pause
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern bool libvlc_media_player_can_pause(libvlc_media_player_t libvlc_media_player);
//判断播放器是否可以播放
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern int libvlc_media_player_will_play(libvlc_media_player_t libvlc_media_player);
//进行快照
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern int libvlc_video_take_snapshot(libvlc_media_player_t libvlc_media_player, int num, char[] filepath, int i_width, int i_height);
//获取Media信息
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern libvlc_media_t libvlc_media_player_get_media(libvlc_media_player_t libvlc_media_player);
//获取媒体信息
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern int libvlc_media_get_stats(libvlc_media_t libvlc_media, ref libvlc_media_stats_t lib_vlc_media_stats);
}
#endregion
}
}
using Net.Media;
using System;
using System.Runtime.InteropServices;
using UnityEngine;
public class Test : MonoBehaviour
{
//视频宽
public int width;
//视频高
public int height;
public Texture2D texture;
public Material mat;
IntPtr libvlc_instance_t;
IntPtr libvlc_media_player_t;
IntPtr handle;
private MediaPlayer.VideoLockCB _videoLockCB;
private MediaPlayer.VideoUnlockCB _videoUnlockCB;
private MediaPlayer.VideoDisplayCB _videoDisplayCB;
private const int _width = 1024;
private const int _height = 576;
private const int _pixelBytes = 4;
private const int _pitch = 1024 * _pixelBytes;
private IntPtr _buff = IntPtr.Zero;
private float fireRate = 0.02F;
private float nextFire = 0.0F;
bool ready = false;
// Use this for initialization
void Start()
{
if (_videoLockCB == null)
_videoLockCB = new MediaPlayer.VideoLockCB(VideoLockCallBack);
if (_videoUnlockCB == null)
_videoUnlockCB = new MediaPlayer.VideoUnlockCB(VideoUnlockCallBack);
if (_videoDisplayCB == null)
_videoDisplayCB = new MediaPlayer.VideoDisplayCB(VideoDiplayCallBack);
texture = new Texture2D(1024, 576, TextureFormat.RGBA32, false);
mat.mainTexture = texture;
_buff = Marshal.AllocHGlobal(_pitch * _height);
handle = new IntPtr(1);
libvlc_instance_t = MediaPlayer.Create_Media_Instance();
libvlc_media_player_t = MediaPlayer.Create_MediaPlayer(libvlc_instance_t, handle);
MediaPlayer.SetCallbacks(libvlc_media_player_t, _videoLockCB, _videoUnlockCB, _videoDisplayCB, IntPtr.Zero);
//"file:///"+Application.streamingAssetsPath+"/test.mp4");rtmp://live.hkstv.hk.lxdns.com/live/hks
//bool ready = MediaPlayer.NetWork_Media_Play(libvlc_instance_t, libvlc_media_player_t, "rtsp://127.0.0.1:8554/1");
ready = MediaPlayer.NetWork_Media_Play(libvlc_instance_t,
libvlc_media_player_t,
"rtmp://live.hkstv.hk.lxdns.com/live/hks");
Debug.Log(ready);
width = MediaPlayer.GetMediaWidth(libvlc_media_player_t);
height = MediaPlayer.GetMediaHeight(libvlc_media_player_t);
//"ARGB"
MediaPlayer.SetFormart(libvlc_media_player_t, "ARGB", _width, _height, _width * 4);
Debug.Log(MediaPlayer.MediaPlayer_IsPlaying(libvlc_media_player_t));
Debug.Log(Application.dataPath);
}
// Update is called once per frame
void Update()
{
//if (ready && Time.time > nextFire)
//{
//Debug.Log(Islock());
if (Islock())
{
texture.LoadRawTextureData(_buff, _buff.ToInt32());
texture.Apply();
}
//nextFire = Time.time + fireRate;
//}
}
private void OnGUI()
{
if(GUI.Button(new Rect(0,0,100,100),"Take"))
{
Debug.Log (MediaPlayer.TakeSnapShot(libvlc_media_player_t, @Application.streamingAssetsPath, "testa.jpg"));
}
}
private IntPtr VideoLockCallBack(IntPtr opaque, IntPtr planes)
{
Lock();
Marshal.WriteIntPtr(planes, _buff);//初始化
//Debug.Log("Lock");
return IntPtr.Zero;
}
private void VideoUnlockCallBack(IntPtr opaque, IntPtr picture, IntPtr planes)
{
Unlock();
//Debug.Log("Unlock");
}
private void VideoDiplayCallBack(IntPtr opaque, IntPtr picture)
{
if (Islock())
{
//Debug.Log("Islock");
//texture.LoadRawTextureData(picture, picture.ToInt32());
//texture.Apply();
//fwrite(buffer, sizeof buffer, 1, fp);
}
}
bool obj = false;
private void Lock()
{
obj = true;
}
private void Unlock()
{
obj = false;
}
private bool Islock()
{
return obj;
}
private void OnDestroy()
{
}
[DllImport("kernel32.dll", EntryPoint = "RtlMoveMemory")]
private static extern void CopyMemory(IntPtr Destination, IntPtr Source, uint Length);
private void OnApplicationQuit()
{
try
{
Debug.Log(MediaPlayer.MediaPlayer_IsPlaying(libvlc_media_player_t));
if (MediaPlayer.MediaPlayer_IsPlaying(libvlc_media_player_t))
{
MediaPlayer.MediaPlayer_Stop(libvlc_media_player_t);
}
MediaPlayer.Release_MediaPlayer(libvlc_media_player_t);
MediaPlayer.Release_Media_Instance(libvlc_instance_t);
}
catch (Exception e)
{
Debug.Log(e.Message);
}
}
}
暂停、停止、快进、音量等都还没做
win10x64 Unity 5.6.2f1 (64-bit)点击这里下载工程 http://pan.baidu.com/s/1geWfZEz