快速用VLC的SDK开发RTSP流教程

我就是我 2022-08-26 08:26 473阅读 0赞

http://www.cnblogs.com/MikeZhang/tag/%E8%A7%86%E9%A2%91%E6%8A%80%E6%9C%AF/

使用[VLC][]的SDK开发播放器，不管是播放文件还是RTSP流都是相当简单的事，只需要调用几个简单的函数就可以实现播放了，甚至你连窗口都可以不建，SDK会自动创建窗口。

`#include "stdafx.h"`

`#include <string>`

`#include <windows.h>`

`#include "include/rmrtspcltsdk.h"`

`#include "pubdef.h"`

`using` `namespace` `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;`

`namespace` `RM{`

`    ` `namespace` `RTSPCLTSDK`

`    ` `{`

`        ` `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()`

`        ` `{`

`            ` `return` `new` `CRtspClient();`

`        ` `}`

`        ` `void`    `CRtspClient::freeInstance(CRtspClient* p)`

`        ` `{`

`            ` `if` `(p){`

`                ` `delete` `p;`

`            ` `}`

`        ` `}`

`        ` `bool` `CRtspClient::Play()`

`        ` `{`

`            ` `if` `(_pState->m_bPlaying)` `return` `true` `;`

`            ` `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` `;`

`                ` `return` `true` `;`

`            ` `}`

`            ` `return` `false` `;`

`        ` `}`

`        ` `bool` `CRtspClient::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` `;`

`            ` `return` `true` `;`

`        ` `}`

`        ` `bool` `CRtspClient::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` `;`

`                ` `}`

`                ` `return` `true` `;`

`            ` `}`

`            ` `return` `false` `;`

`        ` `}`

`        ` `bool` `CRtspClient::Seek(unsigned` `long` `ul)`

`        ` `{`

`            ` `if` `( _pState->vlc_player )`

`            ` `{`

`                ` `::libvlc_media_player_set_time( _pState->vlc_player, ul );`

`                ` `return` `true` `;`

`            ` `}`

`            ` `return` `false` `;`

`        ` `}`

`        ` `unsigned` `long` `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` `{`

`                    ` `return` `t;`

`                ` `}`

`            ` `}`

`            ` `return` `0;`

`        ` `}`

`        ` `unsigned` `long` `CRtspClient::GetTotalTime()` `const`

`        ` `{`

`            ` `if` `(_pState->vlc_media)`

`                ` `return` `(unsigned` `long` `)libvlc_media_get_duration(_pState->vlc_media);`

`            ` `return` `0;`

`        ` `}`

`        ` `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"` `);`

`                ` `return` `false` `;`

`            ` `}`

`            ` `//libvlc_media_parse(vlc_media);`

`            ` `libvlc_media_parse_async( vlc_media);`

`            ` `libvlc_media_player_set_media(vlc_player, vlc_media);`

`            ` `return` `true` `;`

`        ` `}`

`        ` `bool`    `CRtspClient::Init( unsigned` `long` `hWnd,` `const` `char` `* RtspUrl ,` `bool` `enableSound,` `bool` `autoPlay)`

`        ` `{`

`            ` `if` `(!RtspUrl)` `return` `false` `;`

`            ` `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)` `return` `Play();`

`            ` `return` `true` `;`

`        ` `}`

`        ` `void`    `CRtspClient::SetNewHwnd( unsigned` `long` `hWnd)`

`        ` `{`

`            ` `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;`

`        ` `}`

`    ` `}`

`}`

`const` `char` `* vlc_args[] =`

`{`

`    ` `"-I"` `,`

`    ` `"dummy"` `,`

`    ` `"--ignore-config"` `,`

`    ` `"--extraintf=logger"` `,`

`    ` `"--verbose=2"` `,`

`};`

`void` `DllEntry(` `HINSTANCE` `dll)`

`{`

`    ` `g_vlc_ins = libvlc_new(` `sizeof` `(vlc_args)/` `sizeof` `(vlc_args[0]), vlc_args );`

`}`

`void` `DllExit()`

`{`

`    ` `::libvlc_release(g_vlc_ins);`

`}`

你需要准备的是安装VLC，可以到官网上下载最新版本，直接安装之后在程序目录有一个APP/SDK/里面的include,lib复制出来，另外 有一个插件目录plugins,也要在发布程序时复制到程序根目录就可以了

[![vlc-sdk-file需要的文件][vlc-sdk-file]][vlc-sdk-file]

vlc-sdk-file需要的文件

通过这个代码片断你应该了解如何调用VLC的SDK来实现简单的播放器开发了。

[VLC]: http://www.paobuke.com/tag/vlc
[vlc-sdk-file]: http://www.paobuke.com/wp-content/uploads/2013/04/vlc-sdk-file.png

快速用VLC的SDK开发RTSP流教程

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