From: Rémi Bernon rbernon@codeweavers.com
Signed-off-by: Rémi Bernon rbernon@codeweavers.com --- dlls/qasf/asfreader.c | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-)
diff --git a/dlls/qasf/asfreader.c b/dlls/qasf/asfreader.c index 56a30e71c78..9ace509fefc 100644 --- a/dlls/qasf/asfreader.c +++ b/dlls/qasf/asfreader.c @@ -180,8 +180,29 @@ static const struct strmbase_filter_ops filter_ops = static HRESULT WINAPI asf_reader_DecideBufferSize(struct strmbase_source *iface, IMemAllocator *allocator, ALLOCATOR_PROPERTIES *req_props) { - FIXME("iface %p, allocator %p, req_props %p stub!\n", iface, allocator, req_props); - return E_NOTIMPL; + struct asf_stream *stream = impl_from_strmbase_pin(&iface->pin); + unsigned int buffer_size = 16384; + ALLOCATOR_PROPERTIES ret_props; + + TRACE("iface %p, allocator %p, req_props %p.\n", iface, allocator, req_props); + + if (IsEqualGUID(&stream->source.pin.mt.formattype, &FORMAT_VideoInfo)) + { + VIDEOINFOHEADER *format = (VIDEOINFOHEADER *)stream->source.pin.mt.pbFormat; + buffer_size = format->bmiHeader.biSizeImage; + } + else if (IsEqualGUID(&stream->source.pin.mt.formattype, &FORMAT_WaveFormatEx) + && (IsEqualGUID(&stream->source.pin.mt.subtype, &MEDIASUBTYPE_PCM) + || IsEqualGUID(&stream->source.pin.mt.subtype, &MEDIASUBTYPE_IEEE_FLOAT))) + { + WAVEFORMATEX *format = (WAVEFORMATEX *)stream->source.pin.mt.pbFormat; + buffer_size = format->nAvgBytesPerSec; + } + + req_props->cBuffers = max(req_props->cBuffers, 1); + req_props->cbBuffer = max(req_props->cbBuffer, buffer_size); + req_props->cbAlign = max(req_props->cbAlign, 1); + return IMemAllocator_SetProperties(allocator, req_props, &ret_props); }
static const struct strmbase_source_ops source_ops =