1 files changed, 6 insertions, 19 deletions

diff --git a/media/ffvpx/libavutil/hwcontext.h b/media/ffvpx/libavutil/hwcontext.h
index 2b33721a97..bac30debae 100644
--- a/media/ffvpx/libavutil/hwcontext.h
+++ b/media/ffvpx/libavutil/hwcontext.h
@@ -40,8 +40,6 @@ enum AVHWDeviceType {
     AV_HWDEVICE_TYPE_D3D12VA,
 };
 
-typedef struct AVHWDeviceInternal AVHWDeviceInternal;
-
 /**
  * This struct aggregates all the (hardware/vendor-specific) "high-level" state,
  * i.e. state that is not tied to a concrete processing configuration.
@@ -66,12 +64,6 @@ typedef struct AVHWDeviceContext {
     const AVClass *av_class;
 
     /**
-     * Private data used internally by libavutil. Must not be accessed in any
-     * way by the caller.
-     */
-    AVHWDeviceInternal *internal;
-
-    /**
      * This field identifies the underlying API used for hardware access.
      *
      * This field is set when this struct is allocated and never changed
@@ -110,8 +102,6 @@ typedef struct AVHWDeviceContext {
     void *user_opaque;
 } AVHWDeviceContext;
 
-typedef struct AVHWFramesInternal AVHWFramesInternal;
-
 /**
  * This struct describes a set or pool of "hardware" frames (i.e. those with
  * data not located in normal system memory). All the frames in the pool are
@@ -129,12 +119,6 @@ typedef struct AVHWFramesContext {
     const AVClass *av_class;
 
     /**
-     * Private data used internally by libavutil. Must not be accessed in any
-     * way by the caller.
-     */
-    AVHWFramesInternal *internal;
-
-    /**
      * A reference to the parent AVHWDeviceContext. This reference is owned and
      * managed by the enclosing AVHWFramesContext, but the caller may derive
      * additional references from it.
@@ -153,9 +137,12 @@ typedef struct AVHWFramesContext {
      * The format-specific data, allocated and freed automatically along with
      * this context.
      *
-     * Should be cast by the user to the format-specific context defined in the
-     * corresponding header (hwframe_*.h) and filled as described in the
-     * documentation before calling av_hwframe_ctx_init().
+     * The user shall ignore this field if the corresponding format-specific
+     * header (hwcontext_*.h) does not define a context to be used as
+     * AVHWFramesContext.hwctx.
+     *
+     * Otherwise, it should be cast by the user to said context and filled
+     * as described in the documentation before calling av_hwframe_ctx_init().
      *
      * After any frames using this context are created, the contents of this
      * struct should not be modified by the caller.