multimedia book

file opened by the mmioopen function. MmiodescendEnter the riff file block opened by the mmioopen function, and find a block MmioflushWrite Data in the file buffer to the disk. MmiogetinfoRetrieve Information about Riff files created by the mmioopen Function MmioinstallioprocaLoad or delete a custom I/O Process MmioopenOpen a file for Input/Output MmioreadReads data of a specified number of bytes from a file opened by the mmioopen function. MmiorenameRename the specified file Mm

: RTP/AVP; unicast; client_port = 35888-35889User-Agent: VLC Media Player (live555 streaming media v2010.05.28)RTSP/1.0 200 OKCSeq: 3Date: sat, Jan 01 2000 00:05:16 GMTTransport: RTP/AVP; unicast; Destination = 192.168.1.18; Source = 192.168.1.154; client_port = 35888-35889; server_port = 6970-6971Session: 1Setup rtsp: // 192.168.1.154: 8557/h264/track2 RTSP/1.0CSeq: 4Transport: RTP/AVP; unicast; client_port = 50764-50765Session: 1User-Agent: VLC Media Player (live555 streaming media v2010.05.28

. Bytes ------------------------------------------------------------------------------------------------ H.264 video streams are transmitted in NAL units... However, in a nal unit, I-slice (p-slice or B-slice) may be stored, and colleagues may also store other information about the image.Does it mean that I frame, P frame, and B frame extract the VCL information in the received nal unit first, and then classify I, P, and bframe according to the content?However, we can only identify the data type

is equal to 1, a new num_ref_idx_10_active_minus1 */Int B _num_ref_idx_override;Int I _num_ref_idx_l0_active;Int I _num_ref_idx_l1_active;/* Reference the semantics of the rearranged image *//* Indicates whether to perform the re-sorting operation. When the syntax is equal to 1, it indicates that a series of syntaxes are followed for reference to the re-sorting of the frame queue */Int B _ref_pic_list_reordering_l0;Int B _ref_pic_list_reordering_l1;Struct {Int IDC;Int ARG;} Ref_pic_list_order [

){ * Env } Else { * Env } # Endif Therefore, similar code can be transplanted to implement RTSP-over-HTTP in Wis-streamer. However, when oppro live starts a Wis-streamer for each code stream, a total of five Wis-streamer instances are started. If all five processes have RTSP-over-HTTP, isn't it a mess?We look forward to your message! Http://blog.csdn.net/lxhjjz/article/details/8052465 Http://www.dajudeng.com/d201208100980c90277375a417866f8f41.html Http://www.ebaina.com/bbs/thread-1734-1

The synced display of lyrics is added to the android multimedia player. Because the lyrics are directly down on the Internet and are in Chinese. Therefore, the encoding format is GBK, gb18030, and other Chinese character encoding formats. Garbled characters are displayed in Ubuntu. When these LRC are pushed to the SD card for parsing, garbled characters are also displayed. The solution is as follows: 1. Configure the gedit encoding list. The followin

Original article: http://www.linphone.org/eng/documentation/dev/mediastreamer2.html Mediastreamer2 is a powerful and compact stream engine specially developed for Audio/Video Phone applications.This library provides processing for all received and sent Multimedia Streams in Linphone, including audio/video capturing, encoding, decoding, and rendering. Features Read/write from to an ALSA device, an OSS device, a Windows waveapi Device Send and recei

Create a simple canvas for Android multimedia development and learning A simple canvas can be drawn, selected, and saved. Of course, this tool is commonly used in communication software, such as QQ and feiqiu. Among them, we must listen to the touch events of the fingers. The touch events of the fingers are divided into three types: Press, lift, and move. Usually we only need to press the link, and then the entire finger Sliding Process. Then draw dif

Android multimedia playback API introduction, androidapi This article calls the android Media Player to play some music. Project Layout: You can view files in the local sdk and view related APIs. File :///...... /Sdk/docs/guide/topics/media/mediaplayer.html URL: http://www.cnblogs.com/wuyudong/p/5679191.html. The logic code is as follows: Package com.wuyudong.mp3 player; import java. io. file; import java. io. IOException; import android. media. audi

Android multimedia-4-step SoundPool I have learned before that MediaPlayer is used to play mobile phone music, but many of the prompts on mobile phones are not played using MediaPlayer, such as text message ringtones and notification ringtones, use SoundPool in android to play small audio files; The following describes how to use SoundPool.[1] set a button on the UI to start playing. [2] Get SoundPool View the API and find that there are two ways to

Android multimedia-System camera To take a photo with a system camera and return the photo, follow these steps:[1] Permission [2] Start the camera with intent Intent intent = new Intent (); intent. setAction (MediaStore. ACTION_IMAGE_CAPTURE); // implicitly start the System camera [3] set the image storage location and name File = new File (Environment. getExternalStorageDirectory (), System. currentTimeMillis () +. jpg); // create a new

Android multimedia calls the camera and selects an image from the local albumOverview: The function of this routine is to take photos, automatically compress images, and select images from the local album.Permission to be loaded: Demo: Public class MainActivity extends Activity implements View. onClickListener {private Button mButtonTakePhoto; private Button mButtonGetPhoto; private ImageView mImageViewPhoto; private File mFile; // The File storing

Android multimedia calls the camera and selects an image from the local album,Overview: The function of this routine is to take photos, automatically compress images, and select images from the local album.Permission to be loaded: Demo: Public class MainActivity extends Activity implements View. onClickListener {private Button mButtonTakePhoto; private Button mButtonGetPhoto; private ImageView mImageViewPhoto; private File mFile; // The File storing i

Multimedia programming-ios video image rendering tool class. Video-Level Image Rendering on IOS Image Rendering on ios is typically the drawRect function of UIView. However, this function is asynchronously triggered and executed by the main thread. Although some techniques can be used to achieve the effect of active plotting: 1. Pass the image to the UIView cache. 2. Call setNeedDisplay of UIView to rewrite the re-painting mark. (The above two steps a

Preface Keywords: C # Microsoft. DirectX. audiovideoplayback, C # player Speechless. Body 1. Support for playing multimedia files ". Avi", ". wmv", ". MpEG", ". mpg" 2. Preparation The Microsoft. DirectX. audiovideoplayback namespace is included in the Framework. You need to install the Microsoft DirectX SDK separately. For convenience, we provide two required DLL files: microsoft.directx.rar. 　　　　 Iii. Implementation Create a winform project and r

requirements of various users, thus bringing the most direct benefits to network operators.2) must have rich business capabilities. It not only provides E1 interfaces, but also needs to carry out ATM, FR, IP, circuit simulation, and atm ima services on it to fully meet users' broadband access requirements.3) provide QoS Assurance for different service types. For example, if the credit card project is an ntr-VBR Service, the system must provide sufficient storage, but the CBR service can be used

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;public class Mainactivity extends Activity {private ImageView iv;private Bitmap srcpic;private Bitmap copypic;private Canvas CANVAS;PR ivate paint paint; @Overrideprotected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (r.layout.activity_main); iv = (ImageView) Findviewbyid (R.ID.IV); srcpic = Bitmapfactory.decoderesource (Getresources (), r.drawable.bg); Copypic = Bitmap.createbitmap (Srcpic.getwidth (), Srcpic.getheight (), Srcpic.getconfig

1, the header files need to 2, pretreatment #pragma comment3. The complete code is as follows:　　#include #include #include #pragma comment (lib, "Winmm.lib")using namespace Std;int main (){mciSendString ("Open C:/yequ.mp3", null,0,0);mciSendString ("Play C:/yequ.mp3", null,0,0);Sleep (30000);return 1;}Where the sleep () function is important because the program does not get stuck there during play, and the code executes down until it exitsCplus playing multi