mixer ringtone

analyzing the process of obtaining the required structure from Substream in open,hw_params,write,read operations. Ten The whole process of calling from the kernel to the driver 1. Open/dev/dsp Open operation, through the previous structure diagram, we know that when the kernel calls the Open function, the first call is Soundcore_open, through the __look_for_unit find chain[3], that is, the DSP sound_unit pointer, The operation pointer to the value file is then assigned to the operation pointer

This article mainly goes on to say, in the ALSA drive framework, the kernel calls to drive the whole process Ten The whole process of calling from the kernel to the driver 1. Open/dev/dsp Open operation, through the previous structure diagram, we know that when the kernel calls the Open function, the first call is Soundcore_open, through the __look_for_unit find chain[3], that is, the DSP sound_unit pointer, The operation pointer to the value file is then assigned to the operation pointer of the

Design Color is the most important factor in the image, a beautifully designed image playing moving depends on its visual effects, so color selection and collocation is very important. Fireworks MX 2004 provides a powerful color feature, we can not only choose a variety of ways to use color to the object use a variety of color effects, but also through the color palette to manage color, so as to facilitate our image design. By understanding the way colors are used in fireworks MX 2004, the color

1, turn on Cool dog music Click on the right side of the function bar more, and then select the computer application of the ringtone production. 2, add the song you want to make a ringtone, and then in the second interception of the ring in the selection to intercept as a ringtone, here you can choose to listen, want to intercept the perfect point of atte

1, turn on Cool dog music Click on the right side of the function bar more, and then select the computer application of the ringtone production. 2, add the song you want to make a ringtone, and then in the second interception of the ring in the selection to intercept as a ringtone, here you can choose to listen, want to intercept the perfect point of atte

How does mp3 turn m4r? We know that the iphone ringtones format is m4r format, and our most common music format is the MP3 format, if the IPHONE4S/5/6 phone to set a custom ringtone, you must first convert the MP3 audio files to the m4r format files, Then you import it into the iphone ringtones library. First, download and install the "format chemical plant" conversion tools in the computer, download the installation directly after the op

Take Apple 5s for example: 1. We can search for "apple ringtones" or "cool tones" to find someone else to make a good ringtone. 2. Then we connect the iphone to itunes and then use itunes to import the ringtone into the iphone. 3. We click on the menu bar in the itunes interface shown in the picture, edit-preferences-check ringtones-ok 4. Then click My iphone-app in itunes-drag down the page-select

1. In the computer we download and install itools Good after we click on the computer to open itools. 2. Then we find the "music" option at the top of the Itools interface and click Enter, as shown in the details below 3. Then we need to add the bell, we click on "Cool ringtone" and then find the favorite ringtone first click the "Download" button 4. Next, click on "Download Center" to v

. "); }}//create abstract Phone abstract class package july.star.decorate; /** * phonedecotate * Create abstract phone decoration class * @author Moxingjian * @email 939697374@qq.com * @date December 11, 2016 afternoon 9:03:29 * @ver Sion 1.0 */Public abstract class Phonedecorate implements phone{private Phone p; Public phonedecorate (Phone p) {thiS.P = p; } @Override public void Call () {P.call (); }//To the phone to decorate the ringtone