From: Rémi Bernon rbernon@codeweavers.com
--- dlls/dmsynth/synth.c | 126 +++++++++++++++++++++---------------------- 1 file changed, 60 insertions(+), 66 deletions(-)
diff --git a/dlls/dmsynth/synth.c b/dlls/dmsynth/synth.c index 3727ac8bc79..f70169c010b 100644 --- a/dlls/dmsynth/synth.c +++ b/dlls/dmsynth/synth.c @@ -313,85 +313,79 @@ static ULONG WINAPI synth_Release(IDirectMusicSynth8 *iface) static HRESULT WINAPI synth_Open(IDirectMusicSynth8 *iface, DMUS_PORTPARAMS *params) { struct synth *This = impl_from_IDirectMusicSynth8(iface); - BOOL modified = FALSE; - const DMUS_PORTPARAMS def = { - .dwValidParams = DMUS_PORTPARAMS_VOICES|DMUS_PORTPARAMS_CHANNELGROUPS| - DMUS_PORTPARAMS_AUDIOCHANNELS|DMUS_PORTPARAMS_SAMPLERATE|DMUS_PORTPARAMS_EFFECTS| - DMUS_PORTPARAMS_SHARE|DMUS_PORTPARAMS_FEATURES, - .dwSize = sizeof(def), .dwVoices = 32, .dwChannelGroups = 2, .dwAudioChannels = 2, - .dwSampleRate = 22050, .dwEffectFlags = DMUS_EFFECT_REVERB + DMUS_PORTPARAMS actual = + { + .dwSize = sizeof(DMUS_PORTPARAMS), + .dwValidParams = DMUS_PORTPARAMS_VOICES | DMUS_PORTPARAMS_CHANNELGROUPS + | DMUS_PORTPARAMS_AUDIOCHANNELS | DMUS_PORTPARAMS_SAMPLERATE + | DMUS_PORTPARAMS_EFFECTS | DMUS_PORTPARAMS_SHARE | DMUS_PORTPARAMS_FEATURES, + .dwVoices = 32, + .dwChannelGroups = 2, + .dwAudioChannels = 2, + .dwSampleRate = 22050, + .dwEffectFlags = DMUS_EFFECT_REVERB, }; + UINT size = sizeof(DMUS_PORTPARAMS); + BOOL modified = FALSE;
TRACE("(%p, %p)\n", This, params);
- if (This->open) - return DMUS_E_ALREADYOPEN; - if (params && params->dwSize < sizeof(DMUS_PORTPARAMS7)) - return E_INVALIDARG; + if (This->open) return DMUS_E_ALREADYOPEN;
- This->open = TRUE; + if (params) + { + if (params->dwSize < sizeof(DMUS_PORTPARAMS7)) return E_INVALIDARG; + if (size > params->dwSize) size = params->dwSize;
- if (!params) { - memcpy(&This->params, &def, sizeof(This->params)); - return S_OK; - } + if ((params->dwValidParams & DMUS_PORTPARAMS_VOICES) && params->dwVoices) + { + actual.dwVoices = min(params->dwVoices, This->caps.dwMaxVoices); + modified |= actual.dwVoices != params->dwVoices; + }
- if (params->dwValidParams & DMUS_PORTPARAMS_VOICES && params->dwVoices) { - if (params->dwVoices > This->caps.dwMaxVoices) { - modified = TRUE; - params->dwVoices = This->caps.dwMaxVoices; + if ((params->dwValidParams & DMUS_PORTPARAMS_CHANNELGROUPS) && params->dwChannelGroups) + { + actual.dwChannelGroups = min(params->dwChannelGroups, This->caps.dwMaxChannelGroups); + modified |= actual.dwChannelGroups != params->dwChannelGroups; } - } else - params->dwVoices = def.dwVoices;
- if (params->dwValidParams & DMUS_PORTPARAMS_CHANNELGROUPS && params->dwChannelGroups) { - if (params->dwChannelGroups > This->caps.dwMaxChannelGroups) { - modified = TRUE; - params->dwChannelGroups = This->caps.dwMaxChannelGroups; + if ((params->dwValidParams & DMUS_PORTPARAMS_AUDIOCHANNELS) && params->dwAudioChannels) + { + actual.dwAudioChannels = min(params->dwAudioChannels, This->caps.dwMaxAudioChannels); + modified |= actual.dwAudioChannels != params->dwAudioChannels; } - } else - params->dwChannelGroups = def.dwChannelGroups;
- if (params->dwValidParams & DMUS_PORTPARAMS_AUDIOCHANNELS && params->dwAudioChannels) { - if (params->dwAudioChannels > This->caps.dwMaxAudioChannels) { - modified = TRUE; - params->dwAudioChannels = This->caps.dwMaxAudioChannels; + if ((params->dwValidParams & DMUS_PORTPARAMS_SAMPLERATE) && params->dwSampleRate) + { + actual.dwSampleRate = min(max(params->dwSampleRate, 11025), 96000); + modified |= actual.dwSampleRate != params->dwSampleRate; } - } else - params->dwAudioChannels = def.dwAudioChannels; - - if (params->dwValidParams & DMUS_PORTPARAMS_SAMPLERATE && params->dwSampleRate) { - if (params->dwSampleRate > 96000) { - modified = TRUE; - params->dwSampleRate = 96000; - } else if (params->dwSampleRate < 11025) { - modified = TRUE; - params->dwSampleRate = 11025; + + if (params->dwValidParams & DMUS_PORTPARAMS_EFFECTS) + { + actual.dwEffectFlags = DMUS_EFFECT_REVERB; + modified |= actual.dwEffectFlags != params->dwEffectFlags; + } + + if (params->dwValidParams & DMUS_PORTPARAMS_SHARE) + { + actual.fShare = FALSE; + modified |= actual.fShare != params->fShare; + } + + if (params->dwSize < sizeof(*params)) + actual.dwValidParams &= ~DMUS_PORTPARAMS_FEATURES; + else if ((params->dwValidParams & DMUS_PORTPARAMS_FEATURES) && params->dwFeatures) + { + actual.dwFeatures = params->dwFeatures & (DMUS_PORT_FEATURE_AUDIOPATH | DMUS_PORT_FEATURE_STREAMING); + modified |= actual.dwFeatures != params->dwFeatures; } - } else - params->dwSampleRate = def.dwSampleRate; - - if (params->dwValidParams & DMUS_PORTPARAMS_EFFECTS && params->dwEffectFlags != def.dwEffectFlags) - modified = TRUE; - params->dwEffectFlags = def.dwEffectFlags; - - if (params->dwValidParams & DMUS_PORTPARAMS_SHARE && params->fShare) - modified = TRUE; - params->fShare = FALSE; - - if (params->dwSize >= sizeof(*params)) { - if (params->dwValidParams & DMUS_PORTPARAMS_FEATURES && params->dwFeatures) { - if (params->dwFeatures & ~(DMUS_PORT_FEATURE_AUDIOPATH|DMUS_PORT_FEATURE_STREAMING)) { - modified = TRUE; - params->dwFeatures &= DMUS_PORT_FEATURE_AUDIOPATH|DMUS_PORT_FEATURE_STREAMING; - } - } else - params->dwFeatures = def.dwFeatures; - params->dwValidParams = def.dwValidParams; - } else - params->dwValidParams = def.dwValidParams & ~DMUS_PORTPARAMS_FEATURES; - - memcpy(&This->params, params, min(params->dwSize, sizeof(This->params))); + + memcpy(params, &actual, size); + } + + This->params = actual; + This->open = TRUE;
return modified ? S_FALSE : S_OK; }