iOS Development Outreach-Audio processing (music player 4)Description: This article mainly introduces some detail control in the process of music player implementation.The effect of the implementation: One, the complete codeYYPLAYINGVIEWCONTROLLER.M file 1//2//YYPLAYINGVIEWCONTROLLER.M 3//20-
iOS Development Outreach-Audio processing (music player 4)Description: This article mainly introduces some detail control in the process of music player implementation.The effect of the implementation: One, the complete codeYYPLAYINGVIEWCONTROLLER.M file 1//2//YYPLAYINGVIEWCONTROLLER.M 3//20-
framework of the script uses jquery.View CodeAt this point, a player has finished, the default is to perform a list of loop playback, including the previous, next, play, pause, play progress bar adjustment, volume adjustment progress bar, list selection and other functions. Play the song is fixed to write in the list, I like the Eson photo is also affixed to the, these can be made dynamic access or interaction with the server, interested can go to tr
pause (); int getduration (); int getcurrentposition (); void seekto (int pos); Boolean isplaying (); int getbufferpercentage (); Boolean canpause (); Boolean Canseekbackward (); Boolean Canseekforward (); /** * Get The audio session ID for the player used by this videoview. This can is used to * Apply
5. MPEG audio tags
MPEG audio tags can be divided into two types: ID3v1, which has a file tail and a length of 128 bytes, and ID3v2, which is an extension of ID3v1 and has a file header with an indefinite length.
1. ID3v1
The ID3v1 label is used to describe the MPEG
Create an MP3 decoder-use mad (MPEG audio decoding library) in Symbian
Some time ago, I wrote a program on newlc.com to create an MP3 player for Series 60. I have received many emails about MP3 decoding and using it on Symbian. Here, we use mad (MPEG audio decoding library)
the control attribute on the two tags:
Controls: displays the control bar and control button of the standard HTML5 video/audio player.
Autoplay: Enables automatic playback of files.
Loop: loop the file.
Here, the preload attribute is used to cache large-volume files. It has three optional values:
"None" does not cache
"Auto" cache
"Metadata" only caches object metadata
To be compatible with th
standart format.Http://www.h-264.com/downloads.htm---
AVC Alliance free demo player(AVC alliance, written by Philips Electronics)Poor but free.Http://www.avc-alliance.nl/main/downloads.htm---
Intel IPP H.264 codec(Intel Corporation)Intel IPP library containe now H.264 encoder and decoder. Higher quality codecs are promised in 264 version (released now)Http://www.intel.com/cd/software/pro.../ipp/index.htm---
Powerencoder
consumption, high performance, and a wealth of On-Chip resources, it is very suitable for the development of embedded products.MPEG-4 multimedia Encoding Chip is produced by South Korea intime ime6400, the chip provides a wide range of peripheral hardware interfaces: supports 16-bit Video Decoder interfaces, 32-bit data, MHz SDRAM data bus interfaces, I2C bus interfaces, I2S external audio/PCM encoder/DSP
, we seem to be inspired, we can create the NSData through the Web URL, and then play NSData through the Avaudioplayer, So is it possible to play online music? But this method is not advisable, because Avaudioplayer can only play a complete file, does not support streaming playback, so must be buffered to play, so if the network file is too large or not enough speed is not to wait a long time? So play network audio we generally use
Simple AS3 Video/Audio Media Player
A video/audio player with simple style skin but full function youCan find for a video/audio player, which cocould be used either asStandalone video/audio
FFDShow can be called an all-powerful decoding and encoder. at first, FFDShow was only an mpeg Video Decoder, but now he can do more than that. the video formats that can be decoded are far beyond the mepg4 range, including indeo video, WMV, and mpeg2. at the same time, it also provides a variety of processing options, you can sharpen the screen, adjust the brightness of the screen and so on. more than video, FFDShow can also decode
Ffdshow can be called the Almighty decoder, encoder. Initially ffdshow was just an MPEG video decoder, but now he can do much more than that. It can decode the video format already far beyond the MEPG4 range, including Indeo video,wmv, MPEG2 and so on. At the same time, it also provides a wealth of processing options, you can sharpen the screen, adjust the brightness of the screen and so on. More than just video, ffdshow now can also decode
The audio and video is based on the MPC video player, integrates most popular video decoders, provides and upgrades the system's support for popular AV files and multimedia streaming, and perfectly plays Avi, VCD, DVD, MPG, MP3, MP4, VOB, RM, MOV, and most movies and music, and upgrades ie , Firefox on the popular audio and video files online playback capabilitie
Simple audio player for IOS developmentThe first time I got in touch with the UI part of IOS development today, I was simulating the Target-Action callback mode when I was learning OC. Today it is actually used. To familiarize yourself with the usage of basic controls and UI callback, we have developed a simple audio player
through a network URL and then play nsdata through avaudioplayer, in this way, can I play online music? However, this method is not desirable, because avaudioplayer can only play a complete file and does not support stream playback. Therefore, it must be played After buffering. So if the network file is too large or the network speed is not enough, will it take a long time? Therefore, we generally use an audio queue to play network
iOS Development Outreach-Audio processing (music player 3)Description: This article focuses on the encapsulation of audio tool classes and playback tools classes.One, data transfer between controllers1. Transfer of data between two controllers the first method: Self.parentviewcontroller.music=self.music[indexpath.row]; the second approach is not satisfied: Pass t
Today, the first time I touched the UI part of iOS development, I used the target-action callback mode to simulate the use of OC, which was really used once today. To familiarize yourself with the basics of how the controls are used, and the UI part of the callback, a particularly simple audio player has been developed to reward the UI learning results of this day. When using UI controls, it is handy to fee
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