[FFmpeg-devel] [PATCH v4 3/3] lavu/hwcontext_qsv: Update after adding support for VAAPI on Windows

[Sil Vilerino <sivileri@linux.microsoft.com>]

From: Sil Vilerino <sivileri@microsoft.com>

- qsv_internal.h: Remove unnecessary include va_drm.h
- qsv_internal.h: Enable AVCODEC_QSV_LINUX_SESSION_HANDLE on Linux/VA only
- hwcontext_qsv.c: Do not allow child_device_type VAAPI for Windows until
  support is added, keep D3D11/DXVA2 as more prioritary defaults.

Initial review at https://github.com/intel-media-ci/ffmpeg/pull/619/

Signed-off-by: Sil Vilerino <sivileri@microsoft.com>
Reviewed-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
Reviewed-by: Wu, Tong1 <tong1.wu@intel.com>
---
 libavcodec/qsv_internal.h |  5 ++---
 libavutil/hwcontext_qsv.c | 14 ++++++++++++--
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/libavcodec/qsv_internal.h b/libavcodec/qsv_internal.h
index 5119ef4dff..c2d301b4a2 100644
--- a/libavcodec/qsv_internal.h
+++ b/libavcodec/qsv_internal.h
@@ -23,9 +23,9 @@
 
 #include "config.h"
 
-#if CONFIG_VAAPI
+#if CONFIG_VAAPI && !defined(_WIN32) // Do not enable for libva-win32 on Windows
 #define AVCODEC_QSV_LINUX_SESSION_HANDLE
-#endif //CONFIG_VAAPI
+#endif //CONFIG_VAAPI && !defined(_WIN32)
 
 #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
 #include <stdio.h>
@@ -35,7 +35,6 @@
 #endif
 #include <fcntl.h>
 #include <va/va.h>
-#include <va/va_drm.h>
 #include "libavutil/hwcontext_vaapi.h"
 #endif
 
diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
index 6780428875..4ed4242ddf 100644
--- a/libavutil/hwcontext_qsv.c
+++ b/libavutil/hwcontext_qsv.c
@@ -2126,8 +2126,6 @@ static int qsv_device_create(AVHWDeviceContext *ctx, const char *device,
                    "\"%s\".\n", e->value);
             return AVERROR(EINVAL);
         }
-    } else if (CONFIG_VAAPI) {
-        child_device_type = AV_HWDEVICE_TYPE_VAAPI;
 #if QSV_ONEVPL
     } else if (CONFIG_D3D11VA) {  // Use D3D11 by default if d3d11va is enabled
         av_log(ctx, AV_LOG_VERBOSE,
@@ -2147,11 +2145,23 @@ static int qsv_device_create(AVHWDeviceContext *ctx, const char *device,
     } else if (CONFIG_D3D11VA) {
         child_device_type = AV_HWDEVICE_TYPE_D3D11VA;
 #endif
+    } else if (CONFIG_VAAPI) {
+        child_device_type = AV_HWDEVICE_TYPE_VAAPI;
     } else {
         av_log(ctx, AV_LOG_ERROR, "No supported child device type is enabled\n");
         return AVERROR(ENOSYS);
     }
 
+#if CONFIG_VAAPI && defined(_WIN32)
+    /* AV_HWDEVICE_TYPE_VAAPI on Windows/Libva-win32 not supported */
+    /* Reject user specified child_device_type or CONFIG_VAAPI on Windows */
+    if (child_device_type == AV_HWDEVICE_TYPE_VAAPI) {
+        av_log(ctx, AV_LOG_ERROR, "VAAPI child device type not supported for oneVPL on Windows"
+                "\"%s\".\n", e->value);
+        return AVERROR(EINVAL);
+    }
+#endif
+
     child_device_opts = NULL;
     switch (child_device_type) {
 #if CONFIG_VAAPI
-- 
2.39.2.vfs.0.0

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