From 3368abd36c5fcea33cd65863d8abd496bf95ee77 Mon Sep 17 00:00:00 2001 From: Nikolay Sivov Date: Tue, 21 Apr 2020 16:43:03 +0300 Subject: [PATCH] mf: Implement prerolling for SAR stream. Signed-off-by: Nikolay Sivov Signed-off-by: Alexandre Julliard --- dlls/mf/sar.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/dlls/mf/sar.c b/dlls/mf/sar.c index 6c740abeba0..e426020a08c 100644 --- a/dlls/mf/sar.c +++ b/dlls/mf/sar.c @@ -391,6 +391,14 @@ static const IMFMediaSinkVtbl audio_renderer_sink_vtbl = audio_renderer_sink_Shutdown, }; +static void audio_renderer_preroll(struct audio_renderer *renderer) +{ + int i; + + for (i = 0; i < 2; ++i) + IMFMediaEventQueue_QueueEventParamVar(renderer->stream_event_queue, MEStreamSinkRequestSample, &GUID_NULL, S_OK, NULL); +} + static HRESULT WINAPI audio_renderer_preroll_QueryInterface(IMFMediaSinkPreroll *iface, REFIID riid, void **obj) { struct audio_renderer *renderer = impl_from_IMFMediaSinkPreroll(iface); @@ -411,9 +419,15 @@ static ULONG WINAPI audio_renderer_preroll_Release(IMFMediaSinkPreroll *iface) static HRESULT WINAPI audio_renderer_preroll_NotifyPreroll(IMFMediaSinkPreroll *iface, MFTIME start_time) { - FIXME("%p, %s.\n", iface, debugstr_time(start_time)); + struct audio_renderer *renderer = impl_from_IMFMediaSinkPreroll(iface); - return E_NOTIMPL; + TRACE("%p, %s.\n", iface, debugstr_time(start_time)); + + if (renderer->is_shut_down) + return MF_E_SHUTDOWN; + + audio_renderer_preroll(renderer); + return IMFMediaEventQueue_QueueEventParamVar(renderer->stream_event_queue, MEStreamSinkPrerolled, &GUID_NULL, S_OK, NULL); } static const IMFMediaSinkPrerollVtbl audio_renderer_preroll_vtbl =