X-Git-Url: http://deadsoftware.ru/gitweb?p=d2df-sdl.git;a=blobdiff_plain;f=src%2Fengine%2Fe_soundfile_wav.pas;h=fe9a8a26f9c10ded420e82f183cee4c6167f3c77;hp=340aa920725f1cd69dca7054f4f70acd3c152eb2;hb=1408b629ba53aad8cf198b197db1293f6f293c79;hpb=0ac904293ecfc21bbfc2d944a61dbcf7541ac9bf diff --git a/src/engine/e_soundfile_wav.pas b/src/engine/e_soundfile_wav.pas index 340aa92..fe9a8a2 100644 --- a/src/engine/e_soundfile_wav.pas +++ b/src/engine/e_soundfile_wav.pas @@ -79,34 +79,29 @@ begin end; (* TWAVLoader *) -function FixSoundEndian (Buf: PUInt8; Len: UInt32; format: UInt16; rate: cint; chan: UInt8): Boolean; - const - {$IFDEF FPC_LITTLE_ENDIAN} - TARGET_AUDIO_S16 = AUDIO_S16LSB; - TARGET_AUDIO_U16 = AUDIO_U16LSB; - {$ELSE} - TARGET_AUDIO_S16 = AUDIO_S16MSB; - TARGET_AUDIO_U16 = AUDIO_U16MSB; - {$ENDIF} +function ConvertSound (var buf: PUInt8; var len: UInt32; var format: UInt16; rate: cint; chan: UInt8): Boolean; var cvt: TSDL_AudioCVT; tformat: UInt16; begin + result := true; case format of - AUDIO_U16LSB, AUDIO_U16MSB: tformat := TARGET_AUDIO_U16; - AUDIO_S16LSB, AUDIO_S16MSB: tformat := TARGET_AUDIO_S16; - else tformat := format + AUDIO_U8, AUDIO_S8 : tformat := AUDIO_U8; (* yes, unsigned *) + AUDIO_U16LSB, AUDIO_U16MSB: tformat := AUDIO_S16SYS; (* and yes, signed *) + AUDIO_S16LSB, AUDIO_S16MSB: tformat := AUDIO_S16SYS; + AUDIO_S32LSB, AUDIO_S32MSB: tformat := AUDIO_S16SYS; (* 32bit not supported in al core *) + AUDIO_F32LSB, AUDIO_F32MSB: tformat := AUDIO_S16SYS; (* float not supported in al core *) + else result := false (* unsupported format *) end; - Result := True; - if format <> tformat then + if (result = true) and (format <> tformat) then begin Result := False; if SDL_BuildAudioCVT(@cvt, format, chan, rate, tformat, chan, rate) <> -1 then begin - cvt.buf := Buf; - cvt.len := Len; - assert(cvt.len_mult = 1); - Result := SDL_ConvertAudio(@cvt) = 0; - assert(cvt.len_ratio = 1); - assert(cvt.len = Len) + buf := SDL_realloc(buf, len * cvt.len_mult); + cvt.len := len; + cvt.buf := buf; + result := SDL_ConvertAudio(@cvt) = 0; + len := cvt.len_cvt; + format := tformat end end end; @@ -124,7 +119,7 @@ begin if SDL_LoadWAV_RW(RW, 0, @Spec, PUInt8(@Buf), @Len) <> nil then {$ENDIF} begin - Result := FixSoundEndian(Buf, Len, Spec.format, Spec.freq, Spec.channels); + Result := ConvertSound(Buf, Len, Spec.format, Spec.freq, Spec.channels); if Result = True then begin with Loader do