Use multi-media library bass. DLL to play MP3 [6]-whether to play it cyclically

Source: Internet
Author: User
In this example:


Code File:
Unit unit1; interfaceuses windows, messages, sysutils, variants, classes, graphics, controls, forms, dialogs, classes, extctrls; Type tform1 = Class (tform) opendialog1: topendialog; button1: tbutton; button2: tbutton; button3: tbutton; checkbox1: tcheckbox; Procedure upload (Sender: tobject); Procedure button2click (Sender: tobject ); procedure button3click (Sender: tobject); Procedure formdestroy (Sender: tobject); Procedure checkbox1click (Sender: tobject); end; var form1: tform1; implementation {$ R *. DFM} uses bass; var HS: hstream; {stream handle} procedure tform1.formcreate (Sender: tobject); begin checkbox1.caption: = 'loop play'; If hiword (bass_getversion) bassversion then MessageBox (0, '"Bass. the DLL file version is not suitable! ', Nil, mb_iconerror); if not bass_init (-1, 44100, 0, 0, nil) Then showmessage ('initialization error'); end; {open} procedure tform1.button1click (Sender: tobject); var mp3path: ansistring; begin bass_streamfree (HS); opendialog1.filter: = 'mp3 file (*. MP3) | *. MP3 | WAV file (*. wav) | * WAV '; If opendialog1.execute then mp3path: = ansistring (opendialog1.filename); HS: = bass_streamcreatefile (false, pansichar (mp3path), 0, 0, 0 ); {establish a playback stream like the following, which is directly loop playback} // HS: = bass_streamcreatefile (false, pansichar (mp3path), 0, 0, bass_sample_loop); if hs

Form file:

Object form1: tform1 left = 0 Top = 0 caption = 'form1' clientheight = 90 clientwidth = 207 color = clbtnface font. charset = default_charset font. color = clwindowtext font. height =-11 font. name = 'tahoma 'font. style = [] oldcreateorder = false oncreate = formcreate ondestroy = formdestroy pixelsperinch = 96 textheight = 13 object button1: tbutton left = 25 top = 17 width = 75 Height = 25 caption = #25171 #24320 taborder = 0 onclick = button1click end object button2: tbutton left = 25 top = 48 width = 75 Height = 25 caption = #25773 #25918 taborder = 1 onclick = button2click end object button3: tbutton left = 106 Top = 17 width = 75 Height = 25 caption = #26242 #20572 taborder = 2 onclick = button3click end object checkbox1: tcheckbox left = 110 Top = 52 width = 97 Height = 17 caption = 'checkbox1' taborder = 3 onclick = checkbox1click end object opendialog1: topendialog left = 192 Top = 8 endend
 
  
 
Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.