[PATCH 1/2] winegstreamer: Store decoder caps for decodebin parser.

[Connor McAdams]

Store the current decoder caps so that we know what the expected input
format is.

Signed-off-by: Connor McAdams <cmcadams at codeweavers.com>
---
 dlls/winegstreamer/wg_parser.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/dlls/winegstreamer/wg_parser.c b/dlls/winegstreamer/wg_parser.c
index 0d59297a026..1653701506c 100644
--- a/dlls/winegstreamer/wg_parser.c
+++ b/dlls/winegstreamer/wg_parser.c
@@ -49,6 +49,7 @@ struct wg_parser
     GstElement *container, *decodebin;
     GstBus *bus;
     GstPad *my_src, *their_sink;
+    GstCaps *decoder_caps;
 
     guint64 file_size, start_offset, next_offset, stop_offset;
     guint64 next_pull_offset;
@@ -720,8 +721,12 @@ static GstAutoplugSelectResult autoplug_select_cb(GstElement *bin, GstPad *pad,
         GstCaps *caps, GstElementFactory *fact, gpointer user)
 {
     const char *name = gst_element_factory_get_longname(fact);
+    struct wg_parser *parser = user;
 
     GST_TRACE("Using \"%s\".", name);
+    if (parser->decoder_caps)
+        gst_caps_unref(parser->decoder_caps);
+    parser->decoder_caps = NULL;
 
     if (strstr(name, "Player protection"))
     {
@@ -733,6 +738,9 @@ static GstAutoplugSelectResult autoplug_select_cb(GstElement *bin, GstPad *pad,
         GST_WARNING("Disabled video acceleration since it breaks in wine.");
         return GST_AUTOPLUG_SELECT_SKIP;
     }
+    if (caps)
+        parser->decoder_caps = gst_caps_ref(caps);
+
     return GST_AUTOPLUG_SELECT_TRY;
 }
 
@@ -1520,10 +1528,12 @@ static HRESULT CDECL wg_parser_connect(struct wg_parser *parser, uint64_t file_s
 {
     GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE("quartz_src",
             GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS_ANY);
+    struct wg_format input_format;
     unsigned int i;
 
     parser->file_size = file_size;
     parser->sink_connected = true;
+    memset(&input_format, 0, sizeof(input_format));
 
     if (!parser->bus)
     {
@@ -1547,6 +1557,13 @@ static HRESULT CDECL wg_parser_connect(struct wg_parser *parser, uint64_t file_s
     if (!parser->init_gst(parser))
         return E_FAIL;
 
+    if (parser->decoder_caps)
+    {
+        wg_format_from_caps(&input_format, parser->decoder_caps);
+        gst_caps_unref(parser->decoder_caps);
+        parser->decoder_caps = NULL;
+    }
+
     pthread_mutex_lock(&parser->mutex);
 
     for (i = 0; i < parser->stream_count; ++i)
-- 
2.25.1