快速用VLC的SDK開發RTSP流教程
阿新 • • 發佈：2019-01-28
http://www.paobuke.com/develop/c/pbk1090.html
使用VLC的SDK開發播放器，不管是播放檔案還是RTSP流都是相當簡單的事，只需要呼叫幾個簡單的函式就可以實現播放了，甚至你連視窗都可以不建，SDK會自動建立視窗。
| 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050 051 052 053 054 055 056 057 058 059 060 061 062 063 064 065 066 067 068 069 070 071 072 073 074 075 076 077 078 079 080 081 082 083 084 085 086 087 088 089 090 091 092 093 094 095 096 097 098 099 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 |
#include "stdafx.h"
#include <string>
#include <windows.h>
#include "include/rmrtspcltsdk.h"
#include "pubdef.h"
usingnamespace
std;
#include <time.h>
#include <vlc/vlc.h>
#pragma comment(lib, "libvlc.lib")
#pragma comment(lib, "libvlccore.lib")
libvlc_instance_t * g_vlc_ins = 0;namespaceRM{
namespaceRTSPCLTSDK
{
class RtspClientState
{
public:
RtspClientState()
{
pEndCB = 0;
vlc_ins = g_vlc_ins;
vlc_player = 0;
vlc_media = 0;
m_bOpen =false;
m_bPlaying =false;
m_hWnd = 0;
}
~RtspClientState(){
;
}
bool ReInit(CRtspClient* p);
bool m_bOpen;
bool m_bPlaying;string m_strURL;
bool m_bAutoPlay;
bool m_bEnableSound;
libvlc_instance_t * vlc_ins ;//= NULL;
libvlc_media_player_t * vlc_player ;//= NULL;
libvlc_media_t * vlc_media ;//= NULL;
CRtspClient::PLAYEND_CB pEndCB;
void* pEndData;
HWND m_hWnd;
};
CRtspClient::CRtspClient()
{
_pState =new
RtspClientState();
}
CRtspClient::~CRtspClient(){
Stop();
delete_pState;
}
CRtspClient* CRtspClient::createInstance()
{
returnnew
CRtspClient();
}
void CRtspClient::freeInstance(CRtspClient* p)
{
if(p){
deletep;
}
}
boolCRtspClient::Play()
{
if(_pState->m_bPlaying)
returntrue;
if( !_pState->vlc_player || !_pState->vlc_media )
{
if(!_pState->ReInit(this))return
false;
}
{
libvlc_media_player_set_hwnd(_pState->vlc_player,(void*) _pState->m_hWnd);
libvlc_media_player_play(_pState->vlc_player);
_pState->m_bPlaying =true;
returntrue;
}
returnfalse;
}
boolCRtspClient::Stop()
{
_pState->m_bPlaying =false;
if( _pState->vlc_player )
libvlc_media_player_stop( _pState->vlc_player);
if(_pState->vlc_media)
libvlc_media_release(_pState->vlc_media);
if(_pState->vlc_player)
libvlc_media_player_release(_pState->vlc_player);
_pState->vlc_media = 0;
_pState->vlc_player = 0;
_pState->m_bOpen =false;
returntrue;
}
boolCRtspClient::Pause(bool bResume)
{
if( _pState->vlc_player )
{
if(bResume)
{
libvlc_media_player_pause( _pState->vlc_player);
_pState->m_bPlaying =false;
}else{
libvlc_media_player_play( _pState->vlc_player);
_pState->m_bPlaying =true;
}
returntrue;
}
returnfalse;
}
boolCRtspClient::Seek(unsigned
longul)
{
if( _pState->vlc_player )
{
::libvlc_media_player_set_time( _pState->vlc_player, ul );
returntrue;
}
returnfalse;
}
unsignedlong
CRtspClient::GetPlayedTime()const
{
if(_pState->vlc_player)
{
libvlc_time_t t = ::libvlc_media_player_get_time(_pState->vlc_player);
if( t == -1 )
{
printf("No media now -- GetPlayedTimed\n");
return-1;
}else{
returnt;
}
}
return0;
}
unsignedlong
CRtspClient::GetTotalTime()const
{
if(_pState->vlc_media)
return(unsigned
long)libvlc_media_get_duration(_pState->vlc_media);
return0;
}
bool RtspClientState::ReInit(CRtspClient* p )
{
if(!vlc_player)
vlc_player = libvlc_media_player_new(vlc_ins);
if(!vlc_media)
vlc_media = libvlc_media_new_path(vlc_ins,this->m_strURL.c_str());
if( !vlc_media || !vlc_player ) {
::OutputDebugStringA("init player or media failed!\n");
returnfalse;
}
//libvlc_media_parse(vlc_media);
libvlc_media_parse_async( vlc_media);
libvlc_media_player_set_media(vlc_player, vlc_media);
returntrue;
}
bool CRtspClient::Init( unsigned
longhWnd,
const char* RtspUrl ,boolenableSound,boolautoPlay)
{
if(!RtspUrl)
returnfalse;
if(_pState->m_bOpen) Stop();
_pState->m_hWnd = (HWND)hWnd;
_pState->m_strURL = RtspUrl;
_pState->m_bAutoPlay = autoPlay;
_pState->m_bEnableSound = enableSound;
if(!_pState->ReInit(this))return
false;
_pState->m_bOpen =true;
if(autoPlay)
returnPlay();
returntrue;
}
void CRtspClient::SetNewHwnd( unsigned
longhWnd)
{
if(_pState->vlc_player)
libvlc_media_player_set_hwnd(_pState->vlc_player,(void*) hWnd);
}
void CRtspClient::Refersh()
{
}
void CRtspClient::SetEndCB( PLAYEND_CB cb ,void*
pData)
{
_pState->pEndCB = cb;
_pState->pEndData = pData;
}
}
}
constchar
* vlc_args[] =
{
"-I",
"dummy",
"--ignore-config",
"--extraintf=logger",
"--verbose=2",
};
voidDllEntry(HINSTANCEdll)
{
g_vlc_ins = libvlc_new(sizeof(vlc_args)/sizeof(vlc_args[0]),
vlc_args );
}
voidDllExit()
{
::libvlc_release(g_vlc_ins);
}
|
你需要準備的是安裝VLC，可以到官網上下載最新版本，直接安裝之後在程式目錄有一個APP/SDK/裡面的include,lib複製出來，另外 有一個外掛目錄plugins,也要在釋出程式時複製到程式根目錄就可以了
vlc-sdk-file需要的檔案
通過這個程式碼片斷你應該瞭解如何呼叫VLC的SDK來實現簡單的播放器開發了。