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authorMark Thompson <sw@jkqxz.net>2018-03-11 21:25:46 +0000
committerMark Thompson <sw@jkqxz.net>2018-03-22 23:18:57 +0000
commitca9f13bbce4836f44fbc18bb30a350fea4075e08 (patch)
tree7e93ad68d3a6b2a242e2ca7a3129abd9f614b706 /libavutil/hwcontext_vaapi.c
parentc6bbb8cca7fa72bb26d2000453460a6344f425a1 (diff)
hwcontext_vaapi: Pass correct read/write flags when exporting surfaces
Diffstat (limited to 'libavutil/hwcontext_vaapi.c')
-rw-r--r--libavutil/hwcontext_vaapi.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/libavutil/hwcontext_vaapi.c b/libavutil/hwcontext_vaapi.c
index 998e954c44..53a5b02822 100644
--- a/libavutil/hwcontext_vaapi.c
+++ b/libavutil/hwcontext_vaapi.c
@@ -1095,15 +1095,20 @@ static int vaapi_map_to_drm_esh(AVHWFramesContext *hwfc, AVFrame *dst,
VAStatus vas;
VADRMPRIMESurfaceDescriptor va_desc;
AVDRMFrameDescriptor *drm_desc = NULL;
+ uint32_t export_flags;
int err, i, j;
surface_id = (VASurfaceID)(uintptr_t)src->data[3];
+ export_flags = VA_EXPORT_SURFACE_SEPARATE_LAYERS;
+ if (flags & AV_HWFRAME_MAP_READ)
+ export_flags |= VA_EXPORT_SURFACE_READ_ONLY;
+ if (flags & AV_HWFRAME_MAP_WRITE)
+ export_flags |= VA_EXPORT_SURFACE_WRITE_ONLY;
+
vas = vaExportSurfaceHandle(hwctx->display, surface_id,
VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME_2,
- VA_EXPORT_SURFACE_READ_ONLY |
- VA_EXPORT_SURFACE_SEPARATE_LAYERS,
- &va_desc);
+ export_flags, &va_desc);
if (vas != VA_STATUS_SUCCESS) {
if (vas == VA_STATUS_ERROR_UNIMPLEMENTED)
return AVERROR(ENOSYS);