Rémi Bernon : mfreadwrite/reader: Adjust min_buffer_size to be 1s of audio data.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: bf800b5e76b808ee0b50be3349a6d5a037c77e36
URL:    https://gitlab.winehq.org/wine/wine/-/commit/bf800b5e76b808ee0b50be3349a6d5a...

Author: Rémi Bernon <rbernon(a)codeweavers.com>
Date:   Mon Jan 29 18:19:11 2024 +0100

mfreadwrite/reader: Adjust min_buffer_size to be 1s of audio data.

---

 dlls/mfreadwrite/reader.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/dlls/mfreadwrite/reader.c b/dlls/mfreadwrite/reader.c
index 58de40c772b..5cd4641a0d4 100644
--- a/dlls/mfreadwrite/reader.c
+++ b/dlls/mfreadwrite/reader.c
@@ -1912,9 +1912,14 @@ static HRESULT source_reader_create_transform(struct source_reader *reader, BOOL
     list_init(&entry->entry);
     entry->category = category;
 
-    if (IsEqualGUID(&out_type.guidMajorType, &MFMediaType_Audio))
-        IMFMediaType_GetUINT32(output_type, &MF_MT_AUDIO_BLOCK_ALIGNMENT,
-                &entry->min_buffer_size);
+    if (IsEqualGUID(&out_type.guidMajorType, &MFMediaType_Audio)
+            && SUCCEEDED(IMFMediaType_GetUINT32(output_type, &MF_MT_AUDIO_BLOCK_ALIGNMENT, &entry->min_buffer_size)))
+    {
+        UINT32 bytes_per_second;
+
+        if (SUCCEEDED(IMFMediaType_GetUINT32(output_type, &MF_MT_AUDIO_AVG_BYTES_PER_SECOND, &bytes_per_second)))
+            entry->min_buffer_size = max(entry->min_buffer_size, bytes_per_second);
+    }
 
     count = 0;
     if (SUCCEEDED(hr = MFTEnum(category, 0, &in_type, allow_processor ? NULL : &out_type, NULL, &classes, &count)))