static void dxva2_uninit(AVCodecContext *s) { InputStream *ist = s->opaque; DXVA2Context *ctx = ist->hwaccel_ctx; ist->hwaccel_uninit = NULL; ist->hwaccel_get_buffer = NULL; ist->hwaccel_retrieve_data = NULL; if (ctx->decoder_service) IDirectXVideoDecoderService_Release(ctx->decoder_service); av_buffer_unref(&ctx->hw_frames_ctx); av_buffer_unref(&ctx->hw_device_ctx); av_frame_free(&ctx->tmp_frame); av_freep(&ist->hwaccel_ctx); av_freep(&s->hwaccel_context); }