[PATCH 2/4] winegstreamer: Implement ::Set(Input/Output)Type for audio conversion transform.

[Derek Lesho]

Signed-off-by: Derek Lesho 
---
 dlls/winegstreamer/audioconvert.c | 191 +++++++++++++++++++++++++++++-
 1 file changed, 187 insertions(+), 4 deletions(-)

diff --git a/dlls/winegstreamer/audioconvert.c b/dlls/winegstreamer/audioconvert.c
index f4df1cc4532..40a0d764822 100644
--- a/dlls/winegstreamer/audioconvert.c
+++ b/dlls/winegstreamer/audioconvert.c
@@ -1,4 +1,5 @@
 #include "config.h"
+#include <gst/gst.h>

#include "gst_private.h"

@@ -20,6 +21,10 @@ struct audio_converter
 {
     IMFTransform IMFTransform_iface;
     LONG refcount;
+    IMFMediaType *input_type;
+    IMFMediaType *output_type;
+    CRITICAL_SECTION cs;
+    BOOL valid_state;
 };

static struct audio_converter *impl_audio_converter_from_IMFTransform(IMFTransform *iface)
@@ -63,6 +68,7 @@ static ULONG WINAPI audio_converter_Release(IMFTransform *iface)

if (!refcount)
     {
+        DeleteCriticalSection(&transform->cs);
         heap_free(transform);
     }

@@ -252,18 +258,193 @@ static HRESULT WINAPI audio_converter_GetOutputAvailableType(IMFTransform *iface
     return hr;
 }

+static void audio_converter_update_pipeline_state(struct audio_converter *converter)
+{
+    GstCaps *input_caps, *output_caps;
+    GstStructure *input_structure, *output_structure;
+    guint64 channels_in, channels_out, channel_mask = 0;
+
+    if (!(converter->valid_state = converter->input_type && converter->output_type))
+        return;
+
+    if (!(input_caps = caps_from_mf_media_type(converter->input_type)))
+    {
+        converter->valid_state = FALSE;
+        return;
+    }
+    if (!(output_caps = caps_from_mf_media_type(converter->output_type)))
+    {
+        converter->valid_state = FALSE;
+        gst_caps_unref(input_caps);
+        return;
+    }
+
+    if (TRACE_ON(mfplat))
+    {
+        gchar *input_caps_str, *output_caps_str;
+
+        input_caps_str = gst_caps_to_string(input_caps);
+        output_caps_str = gst_caps_to_string(output_caps);
+
+        TRACE("Audio converter MFT configured to transform caps %s to caps %s\n",
+            debugstr_a(input_caps_str), debugstr_a(output_caps_str));
+
+        g_free(input_caps_str);
+        g_free(output_caps_str);
+    }
+
+    gst_caps_unref(input_caps);
+    gst_caps_unref(output_caps);
+
+    return;
+}
+
 static HRESULT WINAPI audio_converter_SetInputType(IMFTransform *iface, DWORD id, IMFMediaType *type, DWORD flags)
 {
-    FIXME("%p, %u, %p, %#x.\n", iface, id, type, flags);
+    unsigned int i;
+    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)
+    {
+        GUID major_type, subtype;
+        BOOL found = FALSE;
+        DWORD unused;
+
+        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;
+
+        for (i = 0; i < ARRAY_SIZE(raw_types); i++)
+        {
+            if (IsEqualGUID(&subtype, raw_types[i]))
+            {
+                found = TRUE;
+                break;
+            }
+        }
+
+        if (!found)
+            return MF_E_INVALIDTYPE;
+    }
+
+    if (flags & MFT_SET_TYPE_TEST_ONLY)
+        return S_OK;
+
+    hr = S_OK;
+
+    EnterCriticalSection(&converter->cs);
+
+    if (type)
+    {
+        if (!converter->input_type)
+            if (FAILED(hr = MFCreateMediaType(&converter->input_type)))
+                goto done;
+
+        if (FAILED(hr = IMFMediaType_CopyAllItems(type, (IMFAttributes *) converter->input_type)))
+            goto done;
+    }
+    else if (converter->input_type)
+    {
+        IMFMediaType_Release(converter->input_type);
+        converter->input_type = NULL;
+    }
+
+    done:
+    if (hr == S_OK)
+        audio_converter_update_pipeline_state(converter);
+    LeaveCriticalSection(&converter->cs);
+
+    return S_OK;
 }

static HRESULT WINAPI audio_converter_SetOutputType(IMFTransform *iface, DWORD id, IMFMediaType *type, DWORD flags)
 {
-    FIXME("%p, %u, %p, %#x.\n", iface, id, type, flags);
+    struct audio_converter *converter = impl_audio_converter_from_IMFTransform(iface);
+    GUID major_type, subtype;
+    unsigned int i;
+    DWORD unused;
+    HRESULT hr;

-    return E_NOTIMPL;
+    TRACE("%p, %u, %p, %#x.\n", iface, id, type, flags);
+
+    if (id != 0)
+        return MF_E_INVALIDSTREAMNUMBER;
+
+    if (!converter->input_type)
+        return MF_E_TRANSFORM_TYPE_NOT_SET;
+
+    if (type)
+    {
+        /* validate the type */
+
+        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_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 (FAILED(IMFMediaType_GetUINT32(type, &MF_MT_AUDIO_SAMPLES_PER_SECOND, &unused)))
+            return MF_E_INVALIDTYPE;
+
+        if (!(IsEqualGUID(&major_type, &MFMediaType_Audio)))
+            return MF_E_INVALIDTYPE;
+
+        for (i = 0; i < ARRAY_SIZE(raw_types); i++)
+        {
+            if (IsEqualGUID(&subtype, raw_types[i]))
+                break;
+            if (i == ARRAY_SIZE(raw_types))
+                return MF_E_INVALIDTYPE;
+        }
+    }
+
+    if (flags & MFT_SET_TYPE_TEST_ONLY)
+        return S_OK;
+
+    EnterCriticalSection(&converter->cs);
+
+    hr = S_OK;
+
+    if (type)
+    {
+        if (!converter->output_type)
+            if (FAILED(hr = MFCreateMediaType(&converter->output_type)))
+                goto done;
+
+        if (FAILED(hr = IMFMediaType_CopyAllItems(type, (IMFAttributes *) converter->output_type)))
+            goto done;
+    }
+    else if (converter->output_type)
+    {
+        IMFMediaType_Release(converter->output_type);
+        converter->output_type = NULL;
+    }
+
+    done:
+    if (hr == S_OK)
+        audio_converter_update_pipeline_state(converter);
+    LeaveCriticalSection(&converter->cs);
+
+    return hr;
 }

static HRESULT WINAPI audio_converter_GetInputCurrentType(IMFTransform *iface, DWORD id, IMFMediaType **type)
@@ -373,6 +554,8 @@ HRESULT audio_converter_create(REFIID riid, void **ret)
     object->IMFTransform_iface.lpVtbl = &audio_converter_vtbl;
     object->refcount = 1;

+    InitializeCriticalSection(&object->cs);
+
     *ret = &object->IMFTransform_iface;
     return S_OK;