X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=SDL_BuildAudioCVT.html;h=3c179b9b27b117d78b548c757c118ffb96df54f0;hb=c386bad9ff26b6b26641a1288d8853e6525d893d;hp=c40937e1413bdf61f68526a88672a581e9cea662;hpb=5d8e04d239ac1b2326ebb8d33ca07866816c3afe;p=sdl2referencejp%2Fsdl2referencejp.git diff --git a/SDL_BuildAudioCVT.html b/SDL_BuildAudioCVT.html index c40937e..3c179b9 100644 --- a/SDL_BuildAudioCVT.html +++ b/SDL_BuildAudioCVT.html @@ -28,6 +28,22 @@

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‰¹º‚ª•ÏŠ·‚³‚ê‚é‚Æ‚«1, •ÏŠ·‚Ì•K—v‚ª‚È‚¢‚Æ‚«0, Ž¸”s‚Ì‚Æ‚«•‰‚̐”‚̃Gƒ‰[ƒR[ƒh‚ð–ß‚·. SDL_GetError()‚ðŒÄ‚ñ‚ŏڍׂð’m‚邱‚Æ‚ª‚Å‚«‚é. +

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+

+ +

+// 1024 ƒXƒeƒŒƒI 48000Hz‚̃Tƒ“ƒvƒ‹ƒtƒŒ[ƒ€ƒoƒbƒtƒ@‚ð, 32bit•‚“®¬”“_‚©‚ç16bit®”‚É•ÏŠ·‚·‚é
+SDL_AudioCVT cvt;
+SDL_BuildAudioCVT(&cvt, AUDIO_F32, 2, 48000, AUDIO_S16, 2, 48000);
+SDL_assert(cvt.needed); // –¾‚ç‚©‚É‚±‚ê‚Í•K—v‚Å‚ ‚é
+cvt.len = 1024 * 2 * 4;  // 1024 ƒXƒeƒŒƒI 32bit•‚“®¬”“_‚̃Tƒ“ƒvƒ‹ƒtƒŒ[ƒ€ƒoƒbƒtƒ@
+cvt.buf = (Uint8 *) SDL_malloc(cvt.len * cvt.len_mult);
+// ‚±‚±‚Å32bit•‚“®¬”“_‚̃f[ƒ^‚ðcvt.data‚ɓǂݍž‚Þ
+SDL_ConvertAudio(cvt);
+// cvt.buf‚É‚Ícvt.len_cvtƒoƒCƒg‚Ì•ÏŠ·‚³‚ꂽƒf[ƒ^‚ª‘‚«ž‚Ü‚ê‚Ä‚¢‚é
+
+ +

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‰¹ºƒf[ƒ^‚ð•ÏŠ·‚·‚é‘O‚É, SDL_AudioCVT‚Ì•ÏŠ·‘O‚Æ•ÏŠ·Œã‚ð‰Šú‰»‚·‚é•K—v‚ª‚ ‚é.