Alfred Agrell : winegstreamer: Implement AM_MEDIA_TYPE to wg_format converter for Cinepak video.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ed819cc973eb59be29491101070e2c7c106fdcb7
URL:    https://gitlab.winehq.org/wine/wine/-/commit/ed819cc973eb59be29491101070e2c7...

Author: Alfred Agrell <floating(a)muncher.se>
Date:   Thu May 23 19:43:26 2024 +0200

winegstreamer: Implement AM_MEDIA_TYPE to wg_format converter for Cinepak video.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=56698

---

 dlls/winegstreamer/quartz_parser.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/dlls/winegstreamer/quartz_parser.c b/dlls/winegstreamer/quartz_parser.c
index 3902c652648..af6a3ea7750 100644
--- a/dlls/winegstreamer/quartz_parser.c
+++ b/dlls/winegstreamer/quartz_parser.c
@@ -980,6 +980,30 @@ static bool amt_to_wg_format_video(const AM_MEDIA_TYPE *mt, struct wg_format *fo
     return false;
 }
 
+static bool amt_to_wg_format_video_cinepak(const AM_MEDIA_TYPE *mt, struct wg_format *format)
+{
+    const VIDEOINFOHEADER *video_format = (const VIDEOINFOHEADER *)mt->pbFormat;
+
+    if (!IsEqualGUID(&mt->formattype, &FORMAT_VideoInfo))
+    {
+        FIXME("Unknown format type %s.\n", debugstr_guid(&mt->formattype));
+        return false;
+    }
+    if (mt->cbFormat < sizeof(VIDEOINFOHEADER) || !mt->pbFormat)
+    {
+        ERR("Unexpected format size %lu.\n", mt->cbFormat);
+        return false;
+    }
+
+    format->major_type = WG_MAJOR_TYPE_VIDEO_CINEPAK;
+    format->u.video.width = video_format->bmiHeader.biWidth;
+    format->u.video.height = video_format->bmiHeader.biHeight;
+    format->u.video.fps_n = 10000000;
+    format->u.video.fps_d = video_format->AvgTimePerFrame;
+
+    return true;
+}
+
 static bool amt_to_wg_format_video_wmv(const AM_MEDIA_TYPE *mt, struct wg_format *format)
 {
     const VIDEOINFOHEADER *video_format = (const VIDEOINFOHEADER *)mt->pbFormat;
@@ -1054,6 +1078,8 @@ bool amt_to_wg_format(const AM_MEDIA_TYPE *mt, struct wg_format *format)
 
     if (IsEqualGUID(&mt->majortype, &MEDIATYPE_Video))
     {
+        if (IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_CVID))
+            return amt_to_wg_format_video_cinepak(mt, format);
         if (IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_WMV1)
                 || IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_WMV2)
                 || IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_WMVA)