winegstreamer: Create static pads on wg_transform struct.

dlls/winegstreamer/gst_private.h

@@ -96,7 +96,8 @@ uint64_t wg_parser_stream_get_duration(struct wg_parser_stream *stream);
 void wg_parser_stream_seek(struct wg_parser_stream *stream, double rate,
         uint64_t start_pos, uint64_t stop_pos, DWORD start_flags, DWORD stop_flags);
 
-struct wg_transform *wg_transform_create(void);
+struct wg_transform *wg_transform_create(const struct wg_format *input_format,
+        const struct wg_format *output_format);
 void wg_transform_destroy(struct wg_transform *transform);
 
 unsigned int wg_format_get_max_size(const struct wg_format *format);

dlls/winegstreamer/main.c

@@ -254,9 +254,14 @@ void wg_parser_stream_seek(struct wg_parser_stream *stream, double rate,
     __wine_unix_call(unix_handle, unix_wg_parser_stream_seek, &params);
 }
 
-struct wg_transform *wg_transform_create(void)
+struct wg_transform *wg_transform_create(const struct wg_format *input_format,
+        const struct wg_format *output_format)
 {
-    struct wg_transform_create_params params = {0};
+    struct wg_transform_create_params params =
+    {
+        .input_format = input_format,
+        .output_format = output_format,
+    };
 
     if (__wine_unix_call(unix_handle, unix_wg_transform_create, &params))
         return NULL;

dlls/winegstreamer/unixlib.h

@@ -232,6 +232,8 @@ struct wg_parser_stream_seek_params
 struct wg_transform_create_params
 {
     struct wg_transform *transform;
+    const struct wg_format *input_format;
+    const struct wg_format *output_format;
 };
 
 enum unix_funcs

dlls/winegstreamer/wg_format.c

@@ -394,6 +394,43 @@ static GstCaps *wg_format_to_caps_video(const struct wg_format *format)
     return caps;
 }
 
+static GstCaps *wg_format_to_caps_wma(const struct wg_format *format)
+{
+    GstBuffer *buffer;
+    GstCaps *caps;
+
+    if (!(caps = gst_caps_new_empty_simple("audio/x-wma")))
+        return NULL;
+    if (format->u.wma.version)
+        gst_caps_set_simple(caps, "wmaversion", G_TYPE_INT, format->u.wma.version, NULL);
+
+    if (format->u.wma.bitrate)
+        gst_caps_set_simple(caps, "bitrate", G_TYPE_INT, format->u.wma.bitrate, NULL);
+    if (format->u.wma.rate)
+        gst_caps_set_simple(caps, "rate", G_TYPE_INT, format->u.wma.rate, NULL);
+    if (format->u.wma.depth)
+        gst_caps_set_simple(caps, "depth", G_TYPE_INT, format->u.wma.depth, NULL);
+    if (format->u.wma.channels)
+        gst_caps_set_simple(caps, "channels", G_TYPE_INT, format->u.wma.channels, NULL);
+    if (format->u.wma.block_align)
+        gst_caps_set_simple(caps, "block_align", G_TYPE_INT, format->u.wma.block_align, NULL);
+
+    if (format->u.wma.codec_data_len)
+    {
+        if (!(buffer = gst_buffer_new_and_alloc(format->u.wma.codec_data_len)))
+        {
+            gst_caps_unref(caps);
+            return NULL;
+        }
+
+        gst_buffer_fill(buffer, 0, format->u.wma.codec_data, format->u.wma.codec_data_len);
+        gst_caps_set_simple(caps, "codec_data", GST_TYPE_BUFFER, buffer, NULL);
+        gst_buffer_unref(buffer);
+    }
+
+    return caps;
+}
+
 GstCaps *wg_format_to_caps(const struct wg_format *format)
 {
     switch (format->major_type)
@@ -401,8 +438,7 @@ GstCaps *wg_format_to_caps(const struct wg_format *format)
         case WG_MAJOR_TYPE_UNKNOWN:
             return NULL;
         case WG_MAJOR_TYPE_WMA:
-            GST_FIXME("WMA format not implemented!\n");
-            return NULL;
+            return wg_format_to_caps_wma(format);
         case WG_MAJOR_TYPE_AUDIO:
             return wg_format_to_caps_audio(format);
         case WG_MAJOR_TYPE_VIDEO:

dlls/winegstreamer/wg_transform.c

@@ -44,13 +44,29 @@ GST_DEBUG_CATEGORY_EXTERN(wine);
 
 struct wg_transform
 {
-    int dummy;
+    GstPad *my_src, *my_sink;
 };
 
+static GstFlowReturn transform_sink_chain_cb(GstPad *pad, GstObject *parent, GstBuffer *buffer)
+{
+    struct wg_transform *transform = gst_pad_get_element_private(pad);
+
+    GST_INFO("transform %p, buffer %p.", transform, buffer);
+
+    gst_buffer_unref(buffer);
+
+    return GST_FLOW_OK;
+}
+
 NTSTATUS wg_transform_destroy(void *args)
 {
     struct wg_transform *transform = args;
 
+    if (transform->my_sink)
+        g_object_unref(transform->my_sink);
+    if (transform->my_src)
+        g_object_unref(transform->my_src);
+
     free(transform);
     return STATUS_SUCCESS;
 }
@@ -58,6 +74,10 @@ NTSTATUS wg_transform_destroy(void *args)
 NTSTATUS wg_transform_create(void *args)
 {
     struct wg_transform_create_params *params = args;
+    struct wg_format output_format = *params->output_format;
+    struct wg_format input_format = *params->input_format;
+    GstCaps *src_caps = NULL, *sink_caps = NULL;
+    GstPadTemplate *template = NULL;
     struct wg_transform *transform;
     NTSTATUS status;
 
@@ -69,9 +89,38 @@ NTSTATUS wg_transform_create(void *args)
     if (!(transform = calloc(1, sizeof(*transform))))
         goto done;
 
+    if (!(src_caps = wg_format_to_caps(&input_format)))
+        goto done;
+    if (!(sink_caps = wg_format_to_caps(&output_format)))
+        goto done;
+
+    if (!(template = gst_pad_template_new("src", GST_PAD_SRC, GST_PAD_ALWAYS, src_caps)))
+        goto done;
+    if (!(transform->my_src = gst_pad_new_from_template(template, "src")))
+        goto done;
+    g_object_unref(template);
+    template = NULL;
+
+    if (!(template = gst_pad_template_new("sink", GST_PAD_SINK, GST_PAD_ALWAYS, sink_caps)))
+        goto done;
+    if (!(transform->my_sink = gst_pad_new_from_template(template, "sink")))
+        goto done;
+    g_object_unref(template);
+    template = NULL;
+
+    gst_pad_set_element_private(transform->my_sink, transform);
+    gst_pad_set_chain_function(transform->my_sink, transform_sink_chain_cb);
+
     status = STATUS_SUCCESS;
 
 done:
+    if (template)
+        g_object_unref(template);
+    if (sink_caps)
+        gst_caps_unref(sink_caps);
+    if (src_caps)
+        gst_caps_unref(src_caps);
+
     if (status)
     {
         GST_ERROR("Failed to create winegstreamer transform.");

dlls/winegstreamer/wma_decoder.c

@@ -78,7 +78,7 @@ static HRESULT try_create_wg_transform(struct wma_decoder *decoder)
     if (output_format.major_type == WG_MAJOR_TYPE_UNKNOWN)
         return MF_E_INVALIDMEDIATYPE;
 
-    if (!(decoder->wg_transform = wg_transform_create()))
+    if (!(decoder->wg_transform = wg_transform_create(&input_format, &output_format)))
         return E_FAIL;
 
     return S_OK;