[PATCH v2 01/17] winegstreamer: Implement ::SetInputType for audio conversion transform.

[Derek Lesho]

Signed-off-by: Derek Lesho 
---
v2: Reorganize function to avoid having a conditionally initialized variable.
---
 dlls/winegstreamer/audioconvert.c | 83 ++++++++++++++++++++++++++++++-
 1 file changed, 81 insertions(+), 2 deletions(-)

diff --git a/dlls/winegstreamer/audioconvert.c b/dlls/winegstreamer/audioconvert.c
index 9499920347f..4d8a4836bc6 100644
--- a/dlls/winegstreamer/audioconvert.c
+++ b/dlls/winegstreamer/audioconvert.c
@@ -18,6 +18,7 @@
  */

#include "config.h"
+#include <gst/gst.h>

#include "gst_private.h"

@@ -36,6 +37,8 @@ struct audio_converter
 {
     IMFTransform IMFTransform_iface;
     LONG refcount;
+    IMFMediaType *input_type;
+    CRITICAL_SECTION cs;
 };

static struct audio_converter *impl_audio_converter_from_IMFTransform(IMFTransform *iface)
@@ -79,6 +82,8 @@ static ULONG WINAPI audio_converter_Release(IMFTransform *iface)

if (!refcount)
     {
+        transform->cs.DebugInfo->Spare[0] = 0;
+        DeleteCriticalSection(&transform->cs);
         heap_free(transform);
     }

@@ -270,9 +275,80 @@ fail:

static HRESULT WINAPI audio_converter_SetInputType(IMFTransform *iface, DWORD id, IMFMediaType *type, DWORD flags)
 {
-    FIXME("%p, %u, %p, %#x.\n", iface, id, type, flags);
+    GUID major_type, subtype;
+    GstCaps *input_caps;
+    DWORD unused;
+    HRESULT hr;

-    return E_NOTIMPL;
+    struct audio_converter *converter = impl_audio_converter_from_IMFTransform(iface);
+
+    TRACE("%p, %u, %p, %#x.\n", iface, id, type, flags);
+
+    if (id != 0)
+        return MF_E_INVALIDSTREAMNUMBER;
+
+    if (!type)
+    {
+        if (flags & MFT_SET_TYPE_TEST_ONLY)
+            return S_OK;
+
+        EnterCriticalSection(&converter->cs);
+
+        if (converter->input_type)
+        {
+            IMFMediaType_Release(converter->input_type);
+            converter->input_type = NULL;
+        }
+
+        LeaveCriticalSection(&converter->cs);
+
+        return S_OK;
+    }
+
+    if (FAILED(IMFMediaType_GetGUID(type, &MF_MT_MAJOR_TYPE, &major_type)))
+        return MF_E_INVALIDTYPE;
+    if (FAILED(IMFMediaType_GetGUID(type, &MF_MT_SUBTYPE, &subtype)))
+        return MF_E_INVALIDTYPE;
+    if (FAILED(IMFMediaType_GetUINT32(type, &MF_MT_AUDIO_SAMPLES_PER_SECOND, &unused)))
+        return MF_E_INVALIDTYPE;
+    if (FAILED(IMFMediaType_GetUINT32(type, &MF_MT_AUDIO_NUM_CHANNELS, &unused)))
+        return MF_E_INVALIDTYPE;
+    if (IsEqualGUID(&subtype, &MFAudioFormat_PCM) && FAILED(IMFMediaType_GetUINT32(type, &MF_MT_AUDIO_BITS_PER_SAMPLE, &unused)))
+        return MF_E_INVALIDTYPE;
+
+    if (!(IsEqualGUID(&major_type, &MFMediaType_Audio)))
+        return MF_E_INVALIDTYPE;
+
+    if (!IsEqualGUID(&subtype, &MFAudioFormat_PCM) && !IsEqualGUID(&subtype, &MFAudioFormat_Float))
+        return MF_E_INVALIDTYPE;
+
+    if (!(input_caps = caps_from_mf_media_type(type)))
+        return MF_E_INVALIDTYPE;
+
+    gst_caps_unref(input_caps);
+
+    if (flags & MFT_SET_TYPE_TEST_ONLY)
+        return S_OK;
+
+    EnterCriticalSection(&converter->cs);
+
+    hr = S_OK;
+
+    if (!converter->input_type)
+        hr = MFCreateMediaType(&converter->input_type);
+
+    if (SUCCEEDED(hr))
+        hr = IMFMediaType_CopyAllItems(type, (IMFAttributes *) converter->input_type);
+
+    if (FAILED(hr))
+    {
+        IMFMediaType_Release(converter->input_type);
+        converter->input_type = NULL;
+    }
+
+    LeaveCriticalSection(&converter->cs);
+
+    return hr;
 }

static HRESULT WINAPI audio_converter_SetOutputType(IMFTransform *iface, DWORD id, IMFMediaType *type, DWORD flags)
@@ -395,6 +471,9 @@ HRESULT audio_converter_create(REFIID riid, void **ret)
     object->IMFTransform_iface.lpVtbl = &audio_converter_vtbl;
     object->refcount = 1;

+    InitializeCriticalSection(&object->cs);
+    object->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": audio_converter_lock");
+
     *ret = &object->IMFTransform_iface;
     return S_OK;
 }