lavc/decode: stop duplicating code from hwaccel_uninit()

libavcodec/avcodec.c

@@ -39,6 +39,7 @@
 #include "decode.h"
 #include "encode.h"
 #include "frame_thread_encoder.h"
+#include "hwconfig.h"
 #include "internal.h"
 #include "thread.h"
 
@@ -459,9 +460,7 @@ av_cold int avcodec_close(AVCodecContext *avctx)
 
         av_buffer_unref(&avci->pool);
 
-        if (avctx->hwaccel && avctx->hwaccel->uninit)
+        ff_hwaccel_uninit(avctx);
-            avctx->hwaccel->uninit(avctx);
-        av_freep(&avci->hwaccel_priv_data);
 
         av_bsf_free(&avci->bsf);
 

libavcodec/decode.c

@@ -1145,7 +1145,7 @@ static int hwaccel_init(AVCodecContext *avctx,
     return 0;
 }
 
-static void hwaccel_uninit(AVCodecContext *avctx)
+void ff_hwaccel_uninit(AVCodecContext *avctx)
 {
     if (avctx->hwaccel && avctx->hwaccel->uninit)
         avctx->hwaccel->uninit(avctx);
@@ -1184,7 +1184,7 @@ int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
 
     for (;;) {
         // Remove the previous hwaccel, if there was one.
-        hwaccel_uninit(avctx);
+        ff_hwaccel_uninit(avctx);
 
         user_choice = avctx->get_format(avctx, choices);
         if (user_choice == AV_PIX_FMT_NONE) {

libavcodec/hwconfig.h

@@ -39,6 +39,7 @@ typedef struct AVCodecHWConfigInternal {
     const AVHWAccel *hwaccel;
 } AVCodecHWConfigInternal;
 
+void ff_hwaccel_uninit(AVCodecContext *avctx);
 
 // These macros are used to simplify AVCodecHWConfigInternal definitions.