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hwcontext_vaapi: Pass correct read/write flags when exporting surfaces

This commit is contained in:
Mark Thompson 2018-03-11 21:25:46 +00:00
parent c6bbb8cca7
commit ca9f13bbce
1 changed files with 8 additions and 3 deletions
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11
libavutil/hwcontext_vaapi.c
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@ -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);