Rémi Bernon : winegstreamer: Append audioconvert and audioresample elements.
Alexandre Julliard
julliard at winehq.org
Tue Feb 22 16:06:52 CST 2022
Module: wine
Branch: master
Commit: 0052ffbfa0e7672278b3d5fcdb767d604fa0f565
URL: https://source.winehq.org/git/wine.git/?a=commit;h=0052ffbfa0e7672278b3d5fcdb767d604fa0f565
Author: Rémi Bernon <rbernon at codeweavers.com>
Date: Tue Feb 22 12:23:24 2022 -0600
winegstreamer: Append audioconvert and audioresample elements.
So that we can decode WMA to something else than the default avdec_wmav2
F32LE / non-interleaved format.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51931
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52391
Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/winegstreamer/unix_private.h | 1 +
dlls/winegstreamer/wg_parser.c | 2 +-
dlls/winegstreamer/wg_transform.c | 52 +++++++++++++++++++++++++++++++++++++++
3 files changed, 54 insertions(+), 1 deletion(-)
diff --git a/dlls/winegstreamer/unix_private.h b/dlls/winegstreamer/unix_private.h
index f9c4da2f6ea..d3f32484ee6 100644
--- a/dlls/winegstreamer/unix_private.h
+++ b/dlls/winegstreamer/unix_private.h
@@ -26,6 +26,7 @@
#include <gst/gst.h>
extern bool init_gstreamer(void) DECLSPEC_HIDDEN;
+extern GstElement *create_element(const char *name, const char *plugin_set) DECLSPEC_HIDDEN;
extern void wg_format_from_caps(struct wg_format *format, const GstCaps *caps) DECLSPEC_HIDDEN;
extern bool wg_format_compare(const struct wg_format *a, const struct wg_format *b) DECLSPEC_HIDDEN;
diff --git a/dlls/winegstreamer/wg_parser.c b/dlls/winegstreamer/wg_parser.c
index e5ed496387e..85c28895159 100644
--- a/dlls/winegstreamer/wg_parser.c
+++ b/dlls/winegstreamer/wg_parser.c
@@ -692,7 +692,7 @@ static gboolean sink_query_cb(GstPad *pad, GstObject *parent, GstQuery *query)
}
}
-static GstElement *create_element(const char *name, const char *plugin_set)
+GstElement *create_element(const char *name, const char *plugin_set)
{
GstElement *element;
diff --git a/dlls/winegstreamer/wg_transform.c b/dlls/winegstreamer/wg_transform.c
index ad30653c147..d20d7640ded 100644
--- a/dlls/winegstreamer/wg_transform.c
+++ b/dlls/winegstreamer/wg_transform.c
@@ -72,11 +72,36 @@ NTSTATUS wg_transform_destroy(void *args)
return STATUS_SUCCESS;
}
+static bool transform_append_element(struct wg_transform *transform, GstElement *element,
+ GstElement **first, GstElement **last)
+{
+ gchar *name = gst_element_get_name(element);
+ bool success = false;
+
+ if (!gst_bin_add(GST_BIN(transform->container), element) ||
+ (*last && !gst_element_link(*last, element)))
+ {
+ GST_ERROR("Failed to link %s element.", name);
+ }
+ else
+ {
+ GST_DEBUG("Linked %s element %p.", name, element);
+ if (!*first)
+ *first = element;
+ *last = element;
+ success = true;
+ }
+
+ g_free(name);
+ return success;
+}
+
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;
+ GstElement *first = NULL, *last = NULL, *element;
GstCaps *src_caps = NULL, *sink_caps = NULL;
NTSTATUS status = STATUS_UNSUCCESSFUL;
GstPadTemplate *template = NULL;
@@ -111,6 +136,33 @@ NTSTATUS wg_transform_create(void *args)
gst_pad_set_element_private(transform->my_sink, transform);
gst_pad_set_chain_function(transform->my_sink, transform_sink_chain_cb);
+ switch (output_format.major_type)
+ {
+ case WG_MAJOR_TYPE_AUDIO:
+ /* The MF audio decoder transforms allow decoding to various formats
+ * as well as resampling the audio at the same time, whereas
+ * GStreamer decoder plugins usually only support decoding to a
+ * single format and at the original rate.
+ *
+ * The WMA decoder transform also has output samples interleaved on
+ * Windows, whereas GStreamer avdec_wmav2 output uses
+ * non-interleaved format.
+ */
+ if (!(element = create_element("audioconvert", "base"))
+ || !transform_append_element(transform, element, &first, &last))
+ goto out_free_sink_pad;
+ if (!(element = create_element("audioresample", "base"))
+ || !transform_append_element(transform, element, &first, &last))
+ goto out_free_sink_pad;
+ break;
+
+ case WG_MAJOR_TYPE_VIDEO:
+ case WG_MAJOR_TYPE_WMA:
+ case WG_MAJOR_TYPE_UNKNOWN:
+ GST_FIXME("Format %u not implemented!", output_format.major_type);
+ goto out_free_sink_pad;
+ }
+
gst_element_set_state(transform->container, GST_STATE_PAUSED);
if (!gst_element_get_state(transform->container, NULL, NULL, -1))
goto out_free_sink_pad;
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