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VLC 使用

时间:2014-08-03 08:04:45      阅读:1093      评论:0      收藏:0      [点我收藏+]

 int _tmain(int argc, _TCHAR* argv[])
19 {
20     libvlc_instance_t * inst;
21     libvlc_media_player_t *mp;
22     libvlc_media_t *m;
23     libvlc_log_t *log;
24 
25     /* Load the VLC engine */
26     inst = libvlc_new (0, NULL);
27 
28     // logging
29     log = libvlc_log_open (inst);    
30     libvlc_set_log_verbosity (inst, 2);
31     unsigned int level = libvlc_get_log_verbosity (inst);
32     printf ("vlc log verbosity level = %d\n", level);
33 
34 
35     /* Create a new item */
36 //    m = libvlc_media_new_path (inst, "f:\\downloads\\sample.avi");
37     m = libvlc_media_new_path (inst, "dshow://// :dshow-vdev= :dshow-adev=");
38 
39     // media option
40     const char *options[] = {
41         ":no-audio",
42         ":video-title-position=4",
43         ":sout=#duplicate{dst=display,dst=\‘transcode{venc=x264{profile=baseline},vcodec=h264,vb=10,width=320,height=240,fps=10,scale=1}:rtp{dst=127.0.0.1,port=1234,mux=ts}\‘}",
44         ":sout-udp-caching=1",
45         ":sout-rtp-caching=1",
46         ":sout-mux-caching=1",
47         ":sout-ts-dts-delay=60"
48         
49     };
50     for (int i = 0; i < sizeof(options) / sizeof(options[0]); i++)
51         libvlc_media_add_option (m, options[i]);
52 
53     /* Create a media player playing environement */
54     mp = libvlc_media_player_new_from_media (m);
55 
56     /* No need to keep the media now */
57     libvlc_media_release (m);
58 
59 #if 0
60     /* This is a non working code that show how to hooks into a window,
61     * if we have a window around */
62     libvlc_media_player_set_xdrawable (mp, xdrawable);
63     /* or on windows */
64     libvlc_media_player_set_hwnd (mp, hwnd);
65     /* or on mac os */
66     libvlc_media_player_set_nsobject (mp, view);
67 #endif
68 
69     /* play the media_player */
70     libvlc_media_player_play (mp);
71 
72     while (!_kbhit())
73         Sleep (100); /* Let it play a bit */
74 
75     /* Stop playing */
76     libvlc_media_player_stop (mp);
77 
78     /* Free the media_player */
79     libvlc_media_player_release (mp);     
80 
81     libvlc_release (inst);
82 
83 
84     printf ("message in log = %d\n", libvlc_log_count (log));
85     system("pause");
86     return 0;
87 
88 }

========================================================================

#include "Stdafx.h"

#include "AVPlayer.h"

#include <cmath>


#include "include/vlc/vlc.h"

#pragma comment(lib, "lib/libvlc.lib")

#pragma comment(lib, "lib/libvlccore.lib")



// VLC的事件管理

void OnVLC_EndReached(const libvlc_event_t *event, void *data);

void OnVLC_PositionChanged(const libvlc_event_t *event, void *data);



CAVPlayer::CAVPlayer(void) :

m_pVLC_Inst(NULL),

m_pVLC_Player(NULL),

m_hWnd(NULL),

m_pfn(NULL)

{

m_strIp="";

m_strPort="";

isSendToNet = FALSE;

}


CAVPlayer::~CAVPlayer(void)

{

    Release();

}


void CAVPlayer::Init()

{

    if (! m_pVLC_Inst)

    {

        m_pVLC_Inst = libvlc_new(0, NULL);

    }

}


void CAVPlayer::Release()

{

    Stop();


    if (m_pVLC_Inst)

    {

        libvlc_release (m_pVLC_Inst);

        m_pVLC_Inst   = NULL;

    }

}


bool CAVPlayer::Play(const std::string &strPath)

{

    if (! m_pVLC_Inst)

    {

        Init();

    }


    if(strPath.empty() || ! m_pVLC_Inst)

    {

        return false;

    }


    Stop();


    bool bRet = false;   


    if (m = libvlc_media_new_path(m_pVLC_Inst, strPath.c_str()))

    {

        if (m_pVLC_Player = libvlc_media_player_new_from_media(m))

        {

            libvlc_media_player_set_hwnd(m_pVLC_Player, m_hWnd);


if(isSendToNet){

CString strSend,strServer;

strSend.Format(":sout=#rtp{dst=%s,sdp=rtsp://%s:%s/stream}",m_strIp,m_strIp,m_strPort);

//strSend.Format(":sout=#rtp{dst=%s,sdp=rtsp://%s:%s/stream}",m_strIp,m_strIp,m_strPort);

strServer.Format(":rtsp-host=rtsp://%s:%s/stream",m_strIp,m_strPort);

const char *options[] = {

//":no-audio",

":video-title-position=4",

strSend.GetBuffer(0),

//":sout=#duplicate{dst=display,#rtp{dst=192.168.0.36,sdp=rtsp://192.168.0.36:11230/stream}",

//":sout=#duplicate{dst=display,dst=rtp{dst=192.168.0.36,sdp=rtsp://192.168.0.36:10086/stream}",

//vlc -vvv rtsp://192.1.101.51 --sout #rtp{dst=192.1.101.77,sdp=rtsp://192.1.101.77/live_vlc.sdp}

//strSend.GetBuffer(0),

":sout-udp-caching=1",

":sout-rtp-caching=1",

":sout-mux-caching=1",

":sout-ts-dts-delay=1024",

//":rtsp-host=rtsp://192.168.0.36:11230/stream"

strServer.GetBuffer(0),

":rtsp-throttle-users:500",

":rtsp-session-timeout:10"

};


for (int i = 0; i < sizeof(options) / sizeof(options[0]); i++)

libvlc_media_add_option (m, options[i]);

}


            libvlc_media_player_play(m_pVLC_Player);


            // 事件管理

            libvlc_event_manager_t *vlc_evt_man = libvlc_media_player_event_manager(m_pVLC_Player);

            libvlc_event_attach(vlc_evt_man, libvlc_MediaPlayerEndReached, ::OnVLC_EndReached, this);

            libvlc_event_attach(vlc_evt_man, libvlc_MediaPlayerPositionChanged, ::OnVLC_PositionChanged, this);

            bRet = true;

        }

        libvlc_media_release(m);

    }


    return bRet;

}


void CAVPlayer::Stop()

{

    if (m_pVLC_Player)

    {

        libvlc_media_player_stop (m_pVLC_Player);      /* Stop playing */    

        libvlc_media_player_release (m_pVLC_Player);   /* Free the media_player */

        m_pVLC_Player = NULL;

    }


    /* Stop the media */

    //if (libvlc_media_player_get_state(vlcPlayer) == libvlc_Ended)

}


void CAVPlayer::Play()

{

    if (m_pVLC_Player)

    {

        libvlc_media_player_play(m_pVLC_Player);

    }

}


void CAVPlayer::Pause()

{

    if (m_pVLC_Player)

    {

        libvlc_media_player_pause(m_pVLC_Player);

    }

}


void CAVPlayer::Volume(int nVol)

{

    if (m_pVLC_Player)

    {

        libvlc_audio_set_volume(m_pVLC_Player,nVol);


if(nVol == 0){

Pause();

}else if(nVol == 100){

Play();

}

    }

}


void CAVPlayer::VolumeIncrease()

{

    if (m_pVLC_Player)

    {

        int nVol = libvlc_audio_get_volume(m_pVLC_Player);

        Volume((int)ceil(nVol * 1.1));

    }

}


void CAVPlayer::VolumeReduce()

{

    if (m_pVLC_Player)

    {

        int nVol = libvlc_audio_get_volume(m_pVLC_Player);

        Volume((int)floor(nVol * 0.9));

    }

}


int CAVPlayer::GetPos()

{   

    if (m_pVLC_Player)

    {

        return (int)(100 * libvlc_media_player_get_position(m_pVLC_Player));

    }


    return 0;

}


void CAVPlayer::SeekTo(int nPos)

{

    if (m_pVLC_Player)

    {

        libvlc_media_player_set_position(m_pVLC_Player, nPos/(float)100.0);

    }

}


void CAVPlayer::SeekForward()

{

    int nPos = GetPos();

    //SeekTo(ceil(nPos * 1.1));

    SeekTo(nPos + 10);

}


void CAVPlayer::SeekBackward()

{

    int nPos = GetPos();

    //SeekTo(floor(nPos * 0.9));

    SeekTo(nPos - 10);

}


void CAVPlayer::SetHWND( HWND hwnd )

{

    if (::IsWindow(hwnd))

    {

        m_hWnd = hwnd;

    }

}


HWND CAVPlayer::GetHWND()

{

    return m_hWnd;

}


void CAVPlayer::SetCallback( pfnPosChanged pfn )

{

    m_pfn = pfn;

}


pfnPosChanged CAVPlayer::GetCallback()

{

    return m_pfn;

}


BOOL CAVPlayer::IsOpen()

{

    return NULL != m_pVLC_Player;

}


BOOL CAVPlayer::IsPlaying()

{

    if (m_pVLC_Player)

    {

        return libvlc_media_player_is_playing(m_pVLC_Player);

    }


    return FALSE;

}


__int64 CAVPlayer::GetTime()

{

    if (m_pVLC_Player)

    {

        return libvlc_media_player_get_time(m_pVLC_Player);

    }


    return 0;

}



void OnVLC_EndReached( const libvlc_event_t *event, void *data )

{


}


void OnVLC_PositionChanged( const libvlc_event_t *event, void *data )

{

    switch (event->type)

    {

    case libvlc_MediaPlayerPositionChanged:

        {

            float     fPos       = event->u.media_player_position_changed.new_position;

            CAVPlayer *pAVPlayer = (CAVPlayer *) data;


            if (pAVPlayer)

            {

                pfnPosChanged pfn = pAVPlayer->GetCallback();


                if (pfn)

                {

                    pfn(pAVPlayer, int(fPos * 100));

                }                

            }

        }


        break;

    case libvlc_MediaPlayerSnapshotTaken:

        break;

    default:

        break;

    }

}



int CAVPlayer::ScreenShot(CString strPath){

if (m_pVLC_Player)

{

int res=libvlc_video_take_snapshot(m_pVLC_Player,0,strPath.GetBuffer(0),300,200);

if(-1 == res){

AfxMessageBox("读取视频流错误!");

return -1;

}

}

return 0;

}


void CAVPlayer::VideoRecord(CString strPath){

if (m_pVLC_Player)

{


}

}


本文出自 “日知其所无” 博客,谢绝转载!

VLC 使用,布布扣,bubuko.com

VLC 使用

原文:http://shenyantao.blog.51cto.com/1957956/1534117

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