X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavutil%2Fhwcontext_qsv.c;h=0329a81ec372692393391d92d541efefa7bb0653;hb=c271d88257e74ec24a6815b66ef4d5cdbc3a05ba;hp=814ce215cea2616d9c7169c77ceb033b9819c0cc;hpb=b2f32d60eeaf883bb7d9e1b8cc2fb9a983d08f72;p=ffmpeg

diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
index 814ce215cea..0329a81ec37 100644
--- a/libavutil/hwcontext_qsv.c
+++ b/libavutil/hwcontext_qsv.c
@@ -389,7 +389,7 @@ static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
         !(req->Type & (MFX_MEMTYPE_FROM_VPPIN | MFX_MEMTYPE_FROM_VPPOUT)) ||
         !(req->Type & MFX_MEMTYPE_EXTERNAL_FRAME))
         return MFX_ERR_UNSUPPORTED;
-    if (i->Width  != i1->Width || i->Height != i1->Height ||
+    if (i->Width  > i1->Width || i->Height > i1->Height ||
         i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
         av_log(ctx, AV_LOG_ERROR, "Mismatching surface properties in an "
                "allocation request: %dx%d %d %d vs %dx%d %d %d\n",
@@ -863,7 +863,8 @@ static int qsv_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst,
     mfxStatus err;
     int ret = 0;
     /* make a copy if the input is not padded as libmfx requires */
-    AVFrame tmp_frame, *src_frame;
+    AVFrame tmp_frame;
+    const AVFrame *src_frame;
     int realigned = 0;
 
 
@@ -891,8 +892,7 @@ static int qsv_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst,
     if (ret < 0)
         return ret;
 
-
-    if (src->height & 16 || src->linesize[0] & 16) {
+    if (src->height & 15 || src->linesize[0] & 15) {
         realigned = 1;
         memset(&tmp_frame, 0, sizeof(tmp_frame));
         tmp_frame.format         = src->format;
@@ -1206,6 +1206,7 @@ static int qsv_device_create(AVHWDeviceContext *ctx, const char *device,
     QSVDevicePriv *priv;
     enum AVHWDeviceType child_device_type;
     AVHWDeviceContext *child_device;
+    AVDictionary *child_device_opts;
     AVDictionaryEntry *e;
 
     mfxIMPL impl;
@@ -1220,9 +1221,17 @@ static int qsv_device_create(AVHWDeviceContext *ctx, const char *device,
 
     e = av_dict_get(opts, "child_device", NULL, 0);
 
-    if (CONFIG_VAAPI)
+    child_device_opts = NULL;
+    if (CONFIG_VAAPI) {
         child_device_type = AV_HWDEVICE_TYPE_VAAPI;
-    else if (CONFIG_DXVA2)
+        // libmfx does not actually implement VAAPI properly, rather it
+        // depends on the specific behaviour of a matching iHD driver when
+        // used on recent Intel hardware.  Set options to the VAAPI device
+        // creation so that we should pick a usable setup by default if
+        // possible, even when multiple devices and drivers are available.
+        av_dict_set(&child_device_opts, "kernel_driver", "i915", 0);
+        av_dict_set(&child_device_opts, "driver",        "iHD",  0);
+    } else if (CONFIG_DXVA2)
         child_device_type = AV_HWDEVICE_TYPE_DXVA2;
     else {
         av_log(ctx, AV_LOG_ERROR, "No supported child device type is enabled\n");
@@ -1230,7 +1239,9 @@ static int qsv_device_create(AVHWDeviceContext *ctx, const char *device,
     }
 
     ret = av_hwdevice_ctx_create(&priv->child_device_ctx, child_device_type,
-                                 e ? e->value : NULL, NULL, 0);
+                                 e ? e->value : NULL, child_device_opts, 0);
+
+    av_dict_free(&child_device_opts);
     if (ret < 0)
         return ret;