avcodec/cavsdec: Cleanup generically on init failure

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavcodec/cavs.c

@@ -812,10 +812,8 @@ av_cold int ff_cavs_init(AVCodecContext *avctx)
     h->cur.f    = av_frame_alloc();
     h->DPB[0].f = av_frame_alloc();
     h->DPB[1].f = av_frame_alloc();
-    if (!h->cur.f || !h->DPB[0].f || !h->DPB[1].f) {
-        ff_cavs_end(avctx);
+    if (!h->cur.f || !h->DPB[0].f || !h->DPB[1].f)
         return AVERROR(ENOMEM);
-    }
 
     h->luma_scan[0]                     = 0;
     h->luma_scan[1]                     = 8;

libavcodec/cavsdec.c

@@ -1319,4 +1319,5 @@ const AVCodec ff_cavs_decoder = {
     .decode         = cavs_decode_frame,
     .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY,
     .flush          = cavs_flush,
+    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
 };