avcodec/hevc: Remove current_sps

The variable should not be needed anymore
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/hevc.c

@@ -3218,8 +3218,6 @@ static av_cold int hevc_decode_free(AVCodecContext *avctx)
     s->pps = NULL;
     s->vps = NULL;
 
-    av_buffer_unref(&s->current_sps);
-
     av_freep(&s->sh.entry_point_offset);
     av_freep(&s->sh.offset);
     av_freep(&s->sh.size);
@@ -3340,13 +3338,6 @@ static int hevc_update_thread_context(AVCodecContext *dst,
         }
     }
 
-    av_buffer_unref(&s->current_sps);
-    if (s0->current_sps) {
-        s->current_sps = av_buffer_ref(s0->current_sps);
-        if (!s->current_sps)
-            return AVERROR(ENOMEM);
-    }
-
     if (s->sps != s0->sps)
         if ((ret = set_sps(s, s0->sps, src->pix_fmt)) < 0)
             return ret;

libavcodec/hevc.h

@@ -819,8 +819,6 @@ typedef struct HEVCContext {
     AVBufferRef *sps_list[MAX_SPS_COUNT];
     AVBufferRef *pps_list[MAX_PPS_COUNT];
 
-    AVBufferRef *current_sps;
-
     AVBufferPool *tab_mvf_pool;
     AVBufferPool *rpl_tab_pool;
 

libavcodec/hevc_parser.c

@@ -333,7 +333,6 @@ static void hevc_close(AVCodecParserContext *s)
     for (i = 0; i < FF_ARRAY_ELEMS(h->pps_list); i++)
         av_buffer_unref(&h->pps_list[i]);
 
-    av_buffer_unref(&h->current_sps);
     h->sps = NULL;
 
     for (i = 0; i < h->nals_allocated; i++)

libavcodec/hevc_ps.c

@@ -88,12 +88,7 @@ static void remove_sps(HEVCContext *s, int id)
             if (s->pps_list[i] && ((HEVCPPS*)s->pps_list[i]->data)->sps_id == id)
                 remove_pps(s, i);
 
-        if (s->sps_list[id] && s->sps == (HEVCSPS*)s->sps_list[id]->data) {
-            av_buffer_unref(&s->current_sps);
-            s->current_sps = av_buffer_ref(s->sps_list[id]);
-            if (!s->current_sps)
-                s->sps = NULL;
-        }
+        av_assert0(!(s->sps_list[id] && s->sps == (HEVCSPS*)s->sps_list[id]->data));
     }
     av_buffer_unref(&s->sps_list[id]);
 }