[PATCH 4/5] winegstreamer: Use the correct source allocator properties for MPEG-I Splitter.

[Anton Baskanov]

From: Anton Baskanov

mpg123audiodec requires at least 3 buffers as it will keep references to the last 2 samples.
---
 dlls/quartz/tests/mpegsplit.c      | 4 ++--
 dlls/winegstreamer/quartz_parser.c | 9 ++++++++-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/dlls/quartz/tests/mpegsplit.c b/dlls/quartz/tests/mpegsplit.c
index 071b70a7f59..a777215db89 100644
--- a/dlls/quartz/tests/mpegsplit.c
+++ b/dlls/quartz/tests/mpegsplit.c
@@ -1984,8 +1984,8 @@ static void test_source_allocator(void)
     ok(!!testsink.sink.pAllocator, "Expected an allocator.\n");
     hr = IMemAllocator_GetProperties(testsink.sink.pAllocator, &props);
     ok(hr == S_OK, "Got hr %#lx.\n", hr);
-    todo_wine ok(props.cBuffers == 100, "Got %ld buffers.\n", props.cBuffers);
-    todo_wine ok(props.cbBuffer == 65541, "Got size %ld.\n", props.cbBuffer);
+    ok(props.cBuffers == 100, "Got %ld buffers.\n", props.cBuffers);
+    ok(props.cbBuffer == 65541, "Got size %ld.\n", props.cbBuffer);
     ok(props.cbAlign == 1, "Got alignment %ld.\n", props.cbAlign);
     ok(!props.cbPrefix, "Got prefix %ld.\n", props.cbPrefix);

diff --git a/dlls/winegstreamer/quartz_parser.c b/dlls/winegstreamer/quartz_parser.c
index 87185312585..e9993e0f51a 100644
--- a/dlls/winegstreamer/quartz_parser.c
+++ b/dlls/winegstreamer/quartz_parser.c
@@ -1649,6 +1649,7 @@ static HRESULT WINAPI GSTOutPin_DecideBufferSize(struct strmbase_source *iface,
         IMemAllocator *allocator, ALLOCATOR_PROPERTIES *props)
 {
     struct parser_source *pin = impl_source_from_IPin(&iface->pin.IPin_iface);
+    unsigned int buffer_count = 1;
     unsigned int buffer_size = 16384;
     ALLOCATOR_PROPERTIES ret_props;

@@ -1664,11 +1665,17 @@ static HRESULT WINAPI GSTOutPin_DecideBufferSize(struct strmbase_source *iface,
         WAVEFORMATEX *format = (WAVEFORMATEX *)pin->pin.pin.mt.pbFormat;
         buffer_size = format->nAvgBytesPerSec;
     }
+    else if (IsEqualGUID(&pin->pin.pin.mt.subtype, &MEDIASUBTYPE_MPEG1AudioPayload)
+            || IsEqualGUID(&pin->pin.pin.mt.subtype, &MEDIASUBTYPE_MP3))
+    {
+        buffer_count = 100;
+        buffer_size = 65541;
+    }

/* We do need to drop any buffers that might have been sent with the old
      * caps, but this will be handled in parser_init_stream(). */

-    props->cBuffers = max(props->cBuffers, 1);
+    props->cBuffers = max(props->cBuffers, buffer_count);
     props->cbBuffer = max(props->cbBuffer, buffer_size);
     props->cbAlign = max(props->cbAlign, 1);
     return IMemAllocator_SetProperties(allocator, props, &ret_props);